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IT 気になる、記になる… Amazon、プライムデーに合わせて紙の本の最大30%ポイント還元セールを開催中 https://taisy0.com/2022/07/11/158969.html amazon 2022-07-11 12:48:07
python Pythonタグが付けられた新着投稿 - Qiita 【図解】仮想通貨と電子マネーの違いは〇〇? https://qiita.com/NekoAllergy/items/e499c6afb3df05c5bc7c youtube 2022-07-11 21:58:59
python Pythonタグが付けられた新着投稿 - Qiita 【図解】仮想通貨ってなに? https://qiita.com/NekoAllergy/items/ec87c9ad260d56f2c937 youtube 2022-07-11 21:50:23
python Pythonタグが付けられた新着投稿 - Qiita 【図解】ニューラルネットワークって?【初心者向け】 https://qiita.com/NekoAllergy/items/8dfe3c81c3a18a62ab40 人工知能 2022-07-11 21:27:26
Ruby Rubyタグが付けられた新着投稿 - Qiita ローカルでRailsの環境構築 https://qiita.com/shun3453/items/ad4eaeda89e5a8c4c0ae cloud 2022-07-11 21:39:22
AWS AWSタグが付けられた新着投稿 - Qiita AWS認定高度なネットワーキング専門知識勉強メモ https://qiita.com/isobecky74/items/ae84d7babbad10676d1b 専門知識 2022-07-11 21:48:00
AWS AWSタグが付けられた新着投稿 - Qiita 【AWS CDK Workshop】CDK PipelinesのセクションをCodeCommitではなくGitHubでやってみた https://qiita.com/shimi7o/items/cf69aac8e4b5f2f1dd52 awscdk 2022-07-11 21:37:11
AWS AWSタグが付けられた新着投稿 - Qiita AWS Black Belt Online Seminarで学んだAWS Configをまとめる https://qiita.com/YoshikiGit/items/0c86a5ddf4229f43e04d awsblackbeltonlineseminar 2022-07-11 21:01:48
golang Goタグが付けられた新着投稿 - Qiita Goで並行ダウンロードするならとりあえずこれ書いとけ https://qiita.com/Broccolingual/items/97bdc16538db60e76688 thttpneturlosstringssync 2022-07-11 21:48:26
Ruby Railsタグが付けられた新着投稿 - Qiita ローカルでRailsの環境構築 https://qiita.com/shun3453/items/ad4eaeda89e5a8c4c0ae cloud 2022-07-11 21:39:22
技術ブログ Developers.IO GatsbyからGTM&Google Analytics(GA4)にイベントデータを送信してみる https://dev.classmethod.jp/articles/gatsby-gtm-event-push/ jamstack 2022-07-11 12:22:23
海外TECH DEV Community Why is OpenSea NFT Marketplace Clone script a preferred choice for Startups? https://dev.to/emma_lightwood/why-is-opensea-nft-marketplace-clone-script-a-preferred-choice-for-startups-3bmn Why is OpenSea NFT Marketplace Clone script a preferred choice for Startups Every crypto startup has a dream of beginning a profitable NFT business in the blockchain space When we come across the various NFT business models the OpenSea platform tends to be one of the great revenue generating business models in the crypto realm Opensea is the most prominent and world s largest NFT exchange platform where users from various countries will trade NFTs by connecting their crypto wallets The OpenSea marketplace is developed on top of the best blockchain network Ethereum So all the listed NFTs will be based on the ERC token standard As of now the OpenSea platform is the most utilized marketplace for buying selling NFTs and active users are increasing day by day Thus OpenSea is making hefty profits in multiple ways As a result many startups are investing their time and cost to develop an NFT marketplace like OpenSea Creating an NFT marketplace in a traditional way is not a bad idea However we are living in a competitive digital world and developing an NFT marketplace similar to OpenSea from the base is a time consuming and expensive development process As an alternative to this process the OpenSea clone script is introduced in the market It would be the perfect choice for startups who are planning to develop an NFT marketplace like OpenSea This article delivers a complete overview of the OpenSea clone script and why the OpenSea NFT marketplace clone software is the best choice for startups A Quick Overview of OpenSea Clone ScriptOpenSea clone script is the pre fabricated pp NFT marketplace software that is devised over the powerful Ethereum blockchain network It is an imitation script of an existing successful NFT marketplace business model OpenSea Even the workflow of this clone script will be the same as the OpenSea So we can deem it as a replica of the Opensea The white label Opensea Clone script is the clean coded NFT marketplace script that is designed with all vital features and necessary plug ins Since it is a tailor made script you can enable any feature you want as they are completely optimizable This ready made clone script helps to build a superfine NFT marketplace within a few days Therefore this NFT marketplace clone script will be an exemplary solution for startups who want to start a new online NFT marketplace business similar to Opensea with their own business plans Now let us dive into… Why Startups Should Prefer White Label OpenSea Clone Script The aspiring crypto startups entrepreneurs or business class people who opt for this ready to launch clone script can gain plenty of business benefits So let us look at them briefly… Faster DeploymentWhen you create an NFT marketplace similar to OpenSea from scratch the development process will be more than ten months On the flip side if you use the Opensea clone software you can deploy a function rich NFT marketplace within days that looks similar to Opensea This is because everything in this script is pre coded and multi tested Cost effective solutionDeveloping a secure NFT marketplace website from scratch will cost you a lot more than you estimated This is because you need a dedicated team of blockchain developers testers designers analysts and more But when you have a premium OpenSea clone script you will get everything in one place as a complete package So it saves hard earned money and does not need to spend on extra resources EffortlessThe NFT marketplace development from the base involves lots of complexities You need to have the technical knowledge and coding skills to create it from scratch Besides you must continuously monitor the entire NFT marketplace development process from ideation to deployment But when you buy an OpenSea clone script there is no need to have much technical knowledge And you don t need to put more effort into the development amp design part High end ToolsWhen you deploy your NFT marketplace like OpenSea by getting a well equipped clone script from a renowned OpenSea clone script provider you can get the script that is designed with high end technologies So by getting this script from the provider you will stand unique among your competitors in the NFT world Better CustomizationThe customization is one of the significant reasons to prefer this white label Opensea clone script This clone script is open for any customization so you can alter the entire platform as per your creativity and business plans By optimizing the script you can attract more NFT traders enhance the profit margin increase user engagement and power up the value of your platform in the crypto space Technical SupportYou can get the best and most reliable OpenSea clone script only from the genuine OpenSea clone script provider in the market After purchasing this script from the provider you can also acquire some free benefits Such as free installation free software upgrades and Lifetime free technical support Apart from this they will guide you to launch a perfect NFT marketplace like OpenSea and how to operate them effectively Final ThoughtsI hope the above listed reasons clearly showcase why I m recommending emerging startups prefer the premium OpenSea clone script for constructing an NFT marketplace platform This kind of white label clone software has a huge demand in the global market right now There are many script providers and development firms out there that are readily available to offer this clone script So all you need to do is find and choose the eminent OpenSea Clone Script provider who can help you to build an NFT marketplace with a professional touch Additionally the script provider you choose must offer the feature rich OpenSea clone script at a budget friendly cost 2022-07-11 12:44:13
海外TECH DEV Community The CSS Box Model Tutorial https://dev.to/rembertdesigns/the-css-box-model-tutorial-20jf The CSS Box Model TutorialIn this tutorial we ll be learning about the CSS Box Model Understanding the box model is a key concept to grasp in CSS And for many learning the box model provides a real moment of clarity ーwhere CSS layouts start to really make sense The thing to remember is that each element in web design is a rectangular box The Box ModelWhen rendering a document the browser see s each element as a rectangular box ーthis is the box model The CSS determines the size of the box based on a few properties ContentPaddingBorderMarginPerhaps the best way to visualize this is to open your browser DevTools and see how it is displayed Here you can examine the box model of any element on a page Check this out by right clicking an element amp selecting Inspect then see the layout panel in DevTools The area in light blue is the content box around it we have the padding then the border and finally the margin This is our box Within it we have Content This is the area where your content is displayed which can be sized using width amp height properties It s typically where text and images appear Padding The padding sits around the content area its transparent and its size is set using padding properties Border The border box wraps around the padding if any and content Its size and style are set using border properties Margin The margin clears an area outside the border wrapping the content padding and border with white space between this box and other elements Its size is set using margin properties With the box model we can also add a border around elements and define space between elements Typically when you set a width or height on the element those rules will apply to the content area Any padding border or margins are added to that width and height to give the total size of the box Calculating the box sizeLet s use an example to see how we calculate the size of our box With the above CSS our box width is actually px and its height is px As the padding and border are added to the width used for the content area The margin is not counted towards the size of the box It affects the space on the page but only the space outside the box The box s area stops at the border ーit does not extend into the margin Note If padding or borders are undeclared they are either zero if you ve used a css reset or framework or the browser default value which is probably not zero CSS Box SizingThe CSS box sizing property lets us include the padding and border in our box size calculation ーthat is the total box width amp height Without box sizingAs we ve seen the width and height of an element is calculated like so width padding border actual element widthheight padding border actual element heightAs a result when you set the width or height of an element it often appears bigger than you might ve thought as the element s border and padding are added to the specified width amp height In the below example the two elements end up being different sizes as item has padding specified The box sizing property solves this problem Using box sizingWith box sizing CSS includes the padding and border in the element s total width and height Set box sizing border box on an element like so Now it ll make much more sense when we lay out elements As they re sized in a much more intuitive way ーwith the padding and border included in the total height width Many developers want this to apply to all elements on their pages A simple way to ensure this is to implement the following CSS rule And there you go We ve looked at the Box Model amp how its defined as well as how to calculate the box size on our elements amp how to apply the box sizing property to handle our sizing more intuitively In the next tutorial we ll be looking at Margins Padding amp Borders in more detail Be sure to check this out to build upon your knowledge of the box model If you liked this post make sure to follow me on Twitter where I post daily about Tech related things Let s ConnectPortfolioTwitterGithubCodepenLinkedIn 2022-07-11 12:38:29
海外TECH DEV Community Common Ninja Platform News: New Dashboard | Store Details API | Summer Hackathon https://dev.to/commonninja/common-ninja-platform-news-new-dashboard-store-details-api-summer-hackathon-5215 Common Ninja Platform News New Dashboard Store Details API Summer HackathonWe are very excited to share with you recent news and updates related to our developer platform This month we announced our summer hackathon for e commerce app developers a couple of new commerce APIs and a brand new dashboard where you can see statistics and important information about your app Just to remind you Common Ninja is a developer platform for building and monetizing universal e commerce apps We provide a universal e commerce API that allows developers to build apps once and launch them across multiple platforms In addition Common Ninja provides integrations with popular payment platforms helping developers to monetize their apps very easily What s New New dashboard APIsStore details APIOrders range filterProxy APISummer hackathon New Dashboard The new dashboard was released this month and introduce some important information and useful statistics about your app The new dashboard gives you an overall snapshot of your app s performance how many stores are using your app and how many active subscriptions your app has In addition it will show you information about your app s revenue and installations based on data from multiple platforms New APIsWe added support for new APIs Store details API An endpoint for getting the store s basic details such as name url currency and country Orders range filter We ve added support for fetching a list of store s orders with a time range filter Proxy API An endpoint proxies requests to the relevant resource on a specific platform Summer Hackathon for E Commerce App DevelopersAs announced earlier this month our summer hackathon was officially launched last week with more than developers who signed up to participate and develop e commerce apps Learn more about the hackathon If you have any specific requests or ideas we ll be more than happy to hear them Learn moreYou can use the following resources to learn more and get help Common Ninja DocsDiscord Community 2022-07-11 12:32:33
海外TECH DEV Community Building a 3D obstacle avoiding game with three.js https://dev.to/ritza/building-a-3d-obstacle-avoiding-game-with-threejs-19da Building a D obstacle avoiding game with three jsThree js is a general purpose D library for browsers You can use it to create D objects animations and games Take a look at the three js examples page in the documentation to see what kind of things you can make In this tutorial you will learn the basics of three js and its game creation capabilities by making a simple obstacle avoiding D game In the game you will control a box that moves through a D course The goal of the game is to avoid the obstacles and get to the end of the course We will create the game in Replit which is an online integrated development environment IDE This means that you can do this tutorial in the browser and it will be easy to share your game online Creating a new project in ReplitHead over to Replit and create a new repl Choose HTML CSS JS as your project type Give this repl a name like D obstacle avoiding game Importing three js to the projectOpen the script js file in your repl We ll import three js by referencing it from a content distribution network CDN to get us up and running quickly Add the following line to the script js file to import three js from the Skypack CDN import as THREE from The import keyword is used to import a JavaScript module It will not work as is we need to indicate that this script file is a module To make this work change the default script tag in the index html file to the following lt script type module src script js gt lt script gt The type module attribute allows us to use module features in our script Now we are ready to use three js in our project Creating a scene with the player boxTo display D objects on the screen we need three things a scene a camera and a renderer Then we will place D objects in the scene Most objects also require lighting to be added to see them Let s start by creating a scene and adding a camera Add the following lines to the script js file const scene new THREE Scene const camera new THREE PerspectiveCamera window innerWidth window innerHeight This creates a scene The scene determines what will be rendered and where it will be rendered We will add objects a camera and lights to our scene We are using a perspective camera which is the most commonly used camera type for D scenes Perspective cameras use perspective projection which mimics the way human eyes see The further away objects are from the camera the smaller they appear The four parameters of the PerspectiveCamera constructor function define the camera s viewing frustum which is the field of view of our camera in the D world The parameters are fov Field of view the camera frustum vertical field of view in degrees aspect Camera frustum aspect ratio near Camera frustum near plane in world units far Camera frustum far plane in world units The above image shows the camera s viewing frustum The viewable objects are between the near and far plane There are two objects in the frustum a purple stick and an orange stick The sticks are the same size The dotted lines show how the sticks are projected onto the near plane which shows how they will be seen Their size on the near plane is different The orange stick which is further away from the camera appears smaller The units used are world units it can be mapped to any defined unit but it is usually in meters Next we will position our camera in the D world and make it look at a specific point The parameters are the x y and z points in the D world Add the following lines of code to the script js file camera position set camera lookAt Let s add a renderer so that we can display the scene We will attach it to a DOM element on our web page Add the following lines of code const renderer new THREE WebGLRenderer antialias true renderer setSize window innerWidth window innerHeight renderer render scene camera document body appendChild renderer domElement This creates a new renderer that will display our scene using WebGL WebGL Web Graphics Library is used for rendering complex graphics such as D scenes on the web It does this by accessing the graphics card on the user s device The antialias property is used to determine if anti aliasing will be used which is a method that smooths jagged edges on objects This makes our D world look better The size of the renderer is set to the browser width and height using the setSize method so that our scene will take up the entire browser window We then call the renderer s render method to tell the renderer to draw the scene using our created scene and camera We then add the renderer DOM element which is a lt canvas gt element to the HTML document The renderer uses the lt canvas gt element to display the scene Now let s create our first D object the player box This will be the box that we move around in the game In three js we need three things to create an object Geometry An object contains the x y z points that make up a shape Material The surface of the geometry Gives the geometry color and texture Mesh Geometry material This is what we will add to our scene Add the following lines above the renderer declaration const geometry new THREE BoxGeometry const material new THREE MeshBasicMaterial color xe const mesh new THREE Mesh geometry material The x in front of the color property value means that it is a hexadecimal value Most materials require a light source to bounce off of them so that they can be seen The MeshBasicMaterial does not Now let s add the mesh to the scene scene add mesh Run the code now by pushing the Run button at the top of the Replit window You should see your first scene an orange cube The MeshBasicMaterial does not look D It would be better to have a material that light can interact with so that we can get some depth to our player box Replace your material with the following material const material new THREE MeshLambertMaterial color xe The MeshLambertMaterial is a relatively simple material that can reflect light Your player box will not be visible now we need to add a light source We will add an ambient light and a directional light Add the following lines to the script js file above the renderer const ambientLight new THREE AmbientLight xffffff const directionalLight new THREE DirectionalLight xffffff directionalLight position set scene add ambientLight directionalLight We add a white directional light that is set along the x y and z axes so that it shines on the top and side of the box The ambient light allows us to see the box better from all angles The first parameter for the light constructor functions is the color and the second parameter is the light intensity which ranges from to You should be able to see your player box now It will look more D as each side has different lighting You can use your browser dev tools to check the console logs if you encounter any errors Let s also get rid of the window scrollbars Add the following to the style css file in the body selector overflow hidden margin Your player box should now look like this Try changing the material color light intensity and camera position to see what happens Before we get our player box moving let s change our code so that it is nicely structured for the game logic that we will add Add the following lines to the top of the script js file let camera scene renderer player const boxSideLength init The camera scene and renderer variables are global variables so that they are available throughout our script They will be defined in functions we create Remove the const keyword in front of their declarations that we already added We also initialize a player variable for our created box The boxSideLength variable is for the x y and z lengths of our box Most of our boxes will be squares Now let s define the function called init This function will be used to initialize the game by rendering and setting up the scene and creating our objects Define an init function and move the camera light and renderer code into it function init scene new THREE Scene camera new THREE PerspectiveCamera window innerWidth window innerHeight camera position set camera lookAt const ambientLight new THREE AmbientLight xffffff const directionalLight new THREE DirectionalLight xffffff directionalLight position set scene add ambientLight directionalLight initializeBoxes renderer new THREE WebGLRenderer antialias true renderer setSize window innerWidth window innerHeight renderer render scene camera document body appendChild renderer domElement We also call the initializeBoxes function which we will soon define Now let s make a createBox function We will use this function to create our player box and later to create obstacles Define the createBox function and move the code for creating your player box inside of it function createBox x y z const geometry new THREE BoxGeometry boxSideLength boxSideLength boxSideLength const material new THREE MeshLambertMaterial color xe const mesh new THREE Mesh geometry material mesh position set x y z scene add mesh The geometry definition now uses the boxSideLength variable to set the lengths of the sides There is one extra line of code here the call to the mesh position set function This will set the position of the created box in the D world based on the arguments passed to the function This will be useful when we create randomly positioned obstacles Now let s create an initializeBoxes function that will be used to create all of the boxes at the start of the game Add the following lines of code function initializeBoxes player createBox All this function currently does is create a player box that is positioned in the center of our D world Its x y and z positions will be If you run your repl code you should still be able to see your box Animating the player boxIn the final game the player box moves continuously along the z axis We will make use of an animation loop to continuously move the player box and re render the scene to see the movement At the bottom of the script js file add the following lines function animate player mesh position z speed camera position z speed renderer render scene camera requestAnimationFrame animate The animate function will be called on every frame by using the requestAnimationFrame function which is a web API that is used to create animations It will call the animate function before each repaint of the screen by the browser The number of function calls is usually per second For each animate function call we move the player box and the camera by changing their position along the z axis The camera will follow the player box Let s add a global speed variable at the top of our script js file so that we can easily change it later if we want to let speed To access the player box s mesh property let s return the mesh property from the createBox function Add the following to the end of the createBox function return mesh We also need to call our animate function initially to get it started In the init function add the following line below renderer render scene camera animate Our player box will now be moving but we won t be able to see the movement We are going to add a GridHelper so that we can see the movement A GridHelper is an object that defines a grid which is a two dimensional array of lines along the x and y axes This will give our D world a D grid surface In the init function add the following lines below initializeBoxes const gridHelper new THREE GridHelper scene add gridHelper You will now be able to see your player box move through the D world If you wait long enough the box will move off the grid Let s restrict the movement of the box so that it can t move off the grid Creating a game courseThe first thing we will do to prevent the player box from moving off the grid will be to add another box the finishing line box The finishing line box will be added at the boundary of the grid Our game course will be from the center of the grid to the end of the grid along the z axis Later we will add collision detection to check if our player box has hit the finishing line box so that we can end the game before the player box leaves the grid We will create a new global variable called courseLength that will define the distance to the edge of the grid Our player box starts moving from the center of the grid x y z so our square grid s length should be double the course length We will also restrict the movement of the box along the x and y axes Add the following global variables to the top of the script js file const courseLength const gridHelperSize courseLength limit movement of player box on x and y axis const xBoundary boxSideLength const yBoundary xBoundary We set the courseLength to world units We use the gridHelperSize to define the length of our square grid along the x and z axes The xBoundary and yBoundary variables are used to limit the movement of our player box along the x and y axes Let s update the gridHelper to use the gridHelperSize variable for its size and number of divisions parameters const gridHelper new THREE GridHelper gridHelperSize gridHelperSize Now we will add the finish line box Add the following to the initializeBoxes function create finish line box const geometry new THREE BoxGeometry xBoundary yBoundary boxSideLength const material new THREE MeshLambertMaterial color green const mesh new THREE Mesh geometry material mesh position set courseLength scene add mesh This creates a green box that is positioned at the end of the grid It marks the end of the game course It s positioned at the end of the course where the z axis value is equal to the course length The size of the box along its x and y axes marks the x and y boundary We will restrict the player box s movement so that it can t move past the finish line box Its size along the x and y axes is double the boundary length because it needs to mark the negative and positive axis boundaries You will now be able to see the finish line box at the end of the grid To reach the end of the grid sooner you can change the speed variable Controlling the player boxLet s add some controls so that we can move our player box up down left and right Add the following lines to the bottom of the script js file moving player box with arrow keyswindow addEventListener keydown e gt const key e key if key ArrowLeft player mesh position x speed if key ArrowRight player mesh position x speed if key ArrowUp player mesh position y speed if key ArrowDown player mesh position y speed This creates an event listener that listens for a key press event The player box s mesh geometry material position is increased or decreased along the x or y axis depending on which arrow button is pressed Run your repl now and you should be able to move your player box with the arrow keys You will notice that you can move off the screen and when you reach the edge of the grid you can avoid hitting the finish line box Let s restrict the movement of the player box so that it always hits the finish line box Replace the event listener that you just added with the following code window addEventListener keydown e gt const key e key const currXPos player mesh position x const currYPos player mesh position y if key ArrowLeft if currXPos gt xBoundary return player mesh position x speed if key ArrowRight if currXPos lt xBoundary return player mesh position x speed if key ArrowUp if currYPos gt yBoundary return player mesh position y speed if key ArrowDown if currYPos lt yBoundary return player mesh position y speed Here we add some extra lines of code to restrict the movement of the player box along the x and y axes by getting the current x and y position of the player box and then preventing movement if the position exceeds the current boundary values that we set using our global variables xBoundary and yBoundary Note that if you increased the speed variable to reach the end of the course sooner you may need to increase the width and height of the finish line box to ensure that the player box always hits it as the player box will be able to move a bit more along the x and y axes Detecting collisionsTo determine that we have reached the end of the course we need to be able to detect collisions Once the player box has collided with the finish line box the game is over Add the following global variables to the top of your script js file let gameOver false const numOfObstacles var obstaclesBoundingBoxes The gameOver flag variable will be used to determine when the game is over This will occur once the finish line is reached or if the player box collides with an obstacle we will add obstacles later The number of obstacles is currently zero The obstaclesBoundingBoxes will store a set of x y and z positions of bounding boxes that describe the positions of all of our objects excluding the player box We will use these bounding boxes to detect collisions In the initializeBoxes function add the following lines at the bottom const boundingBox new THREE Box setFromObject mesh obstaclesBoundingBoxes push boundingBox This will create a bounding box for the finish line box mesh object We add this to the obstaclesBoundingBoxes array The Box object represents a bounding box in D space It describes a set of coordinates it does not appear in our D world We use the setFromObject method to calculate the bounding box of the finish line box using the finish line box s mesh Within the bounding box object there is a max and min property that describes the upper and lower x y and z boundaries of the box For example the bounding box of the finish line box contains the following max and min properties max x y z min x y z Now let s create a function to detect collisions Add the following function below the createBox function function detectCollisions const playerBox new THREE Box setFromObject player mesh Check each object to detect if there is a collision for let i i lt numOfObstacles i an object was hit if obstaclesBoundingBoxes i intersectsBox playerBox gameOver true alert You win return To detect a collision we first create a bounding box for the player box by creating a Box object We then loop through the obstaclesBoundingBoxes array and use the intersectsBox method to check for an intersection a collision between the playerBox and each obstacle We currently don t have any obstacles so we can only check for a collision with the finish line box Given that we will always hit the finish line box we set gameOver to true once it is hit We will use an alert to let the player know that they have won when they reach the end of the course We need to call the detectCollisions function in the game loop animate function so that we constantly check for a collision Change your animate function so that it is the same as the animate function below function animate if gameOver return player mesh position z speed camera position z speed detectCollisions renderer render scene camera requestAnimationFrame animate The if statement at the start of the animate function prevents the function from running if the game is over Let s also add if gameOver return to the start of the keydown window addEventListener callback function to disable the keyboard event if the game is over You will now get a You win alert message once you reach the finish line box at the end of the grid Creating obstaclesNow let s add some obstacles for the player box to avoid to make it a game Set the numOfObstacles global variable to We are going to write a createObstacle function to generate randomly positioned obstacles Add the following function below the createBox function function createObstacle const x THREE MathUtils randFloatSpread xBoundary const y THREE MathUtils randFloatSpread yBoundary const z THREE MathUtils randFloat courseLength boxSideLength const obstacle createBox x y z const boundingBox new THREE Box setFromObject obstacle mesh obstaclesBoundingBoxes push boundingBox We make use of some math utility functions of the three js MathUtils object to get random x y and z points along our course These will be used to randomly position obstacles We get random x and y points using our x and y boundaries The randFloatSpread function takes in a range parameter and returns a random float in the interval range range We get a random z value using the randFloat function It takes in a low and high parameter and returns a random float in the interval low high This value is always positive as our course is positioned on the positive side of the z axis The low value starts at as we don t want to place obstacles right in front of or on the player box The high value is the courseLength so that the obstacles can be positioned all along our course We subtract the boxSideLength to prevent the obstacles from being placed on the finish line box We then pass these x y and z points to the createBox function to create an obstacle box A bounding box is created for each created obstacle and added to the obstaclesBoundingBoxes array so that we can detect collisions between our player box and the obstacles We need to call the createObstacle function to create the obstacles In the initializeBoxes function let s add a for loop to create the obstacles function initializeBoxes player createBox for let i i lt numOfObstacles i createObstacle This will create randomly positioned obstacles Run your repl to see them Each time you reload the page the obstacles will be randomly positioned Adding win or lose logicTry to collide with an obstacle and you will see that the alert message is always You win Let s fix that by adding some win or lose logic In the detectCollisions function replace the for loop with the following for loop for let i i lt numOfObstacles i an object was hit if obstaclesBoundingBoxes i intersectsBox playerBox gameOver true if i numOfObstacles alert You lose else the last box is the finish line box alert You win return The last object bounding box in the obstaclesBoundingBoxes array is the finish line box Knowing this we can determine when the player box has reached the finish line without hitting an obstacle If the player box intersects with the last item in the obstaclesBoundingBoxes array you win If the player box intersects with any other item you lose The game is now playable Try make it to the end of the obstacle course Adding restartThere is one big problem with our game once the game is over we need to refresh the page to play again That s not a very good user experience Let s add a Play button that will show on page load and when the game is over It will start the game and reset everything that needs to be reset at the start of a game Add the following to the index html file inside of the lt body gt tag to create a button and a screen that covers the window behind the button lt div id play btn screen gt lt div class play btn container gt lt div gt Use the up down left and right arrow keys to move lt div gt lt button id play btn gt Play lt button gt lt div gt lt div gt Add the following to the style css file play btn screen position absolute min width min height display flex align items center justify content center z index play btn container color white text align center play btn background color red padding rem rem margin rem This will create a play button in the middle of the screen Now let s make the button work Add the following global variables to the top of the script js file const playBtnScreen document getElementById play btn screen const playBtn playBtnScreen querySelector play btn var allObjs This gets the play button screen background cover behind the button and play button element from the DOM and stores them in variables The allObjs array will store all of the created objects We need this array to clear the scene by removing all of the objects at the start of each game We do this so that we can place new randomly positioned objects in the scene and not have objects in the scene from previous rounds Next add a new click event listener on the playBtn Add the following to the bottom of the script js file playBtn addEventListener click gt allObjs forEach obj gt scene remove obj camera position set camera lookAt initializeBoxes gameOver false animate playBtnScreen style visibility hidden The play button is used to start and also re start the game The first thing we do when the play button is clicked is to remove all the objects in the scene using the scene remove method We then reset the camera position and call the initializeBoxes function which creates and positions all of the objects We set gameOver to false so that our animate function and keydown event listener will work We then call the animate function to start the animation loop and then we hide the play button screen which hides the play button as well We need to make a few more changes in our script js file for the play button to work properly Delete the animate function call in the init function We now call it when the play button is clicked Add allObjs push mesh in the createBox function above scene add mesh This adds the created box mesh object to the allObjs array Add the following lines in the detectCollisions function below gameOver true playBtnScreen style visibility visible playBtn focus This will make our play button visible at the end of the game and focus the button so that you can easily restart the game by pressing the spacebar or enter key Add the following lines at the start of the initializeBoxes function make empty at start of a game allObjs obstaclesBoundingBoxes This clears the allObjs array so that it only contains objects created in the current game We also clear the obstaclesBoundingBoxes as we only want to detect collisions with objects in the current game Add allObjs push mesh in the initializeBoxes function above scene add mesh This adds the finish line box to the allObjs array Our game is almost complete all we need to do now is make it mobile friendly Making the game mobile friendly Adding on screen arrow buttonsTo make the game mobile friendly we will add up down left and right buttons to the bottom of the screen Add the following to the index html file inside the lt body gt tag just above the lt script gt tag to create the buttons lt div id keys gt lt div class keys container gt lt button id up gt lt svg width height viewBox gt lt g transform rotate gt lt path d M L L L gt lt g gt lt svg gt lt button gt lt button id left gt lt svg width height viewBox gt lt g transform rotate gt lt path d M L L L gt lt g gt lt svg gt lt button gt lt button id down gt lt svg width height viewBox gt lt g transform rotate gt lt path d M L L L gt lt g gt lt svg gt lt button gt lt button id right gt lt svg width height viewBox gt lt g transform rotate gt lt path d M L L L gt lt g gt lt svg gt lt button gt lt div gt lt div gt The up down left and right icons are created using SVGs Now let s add some basic styling to our buttons Add the following to the style css file keys position absolute min width min height display flex align items flex end justify content center keys container display grid grid template columns px px px grid template rows auto grid template areas up left down right grid gap px padding bottom rem keys button padding rem up grid area up down grid area down left grid area left right grid area right To see the arrows click the Open in a new tab button in the repl Output tab This opens the link to the repl in a new tab You can copy this link to view your repl on your phone or to share it with your friends You should now be able to see the screen arrow buttons Try clicking a button before pressing Play You will notice that you can t click the arrow buttons This is because the play button screen which covers the whole screen has a CSS z index property of Once you click Play the play button screen CSS visibility property is set to hidden and you will be able to press the arrow buttons Now let s add some JavaScript click event listeners and some functions to make our arrow buttons work on desktop and mobile Our code is going to look quite complex because we use some extra functions and setTimeout to allow the player box to continuously move when the arrow button is held down This makes for a better user experience than having to continuously tap or click the button to move in one direction Add the following global variable to the top of the script js file const keyBtns document querySelectorAll keys container button This gets all the key buttons from the DOM and stores them in a variable Now add the following to the bottom of the script js file let timeoutID function moveLeft const currXPos player mesh position x if currXPos gt xBoundary return player mesh position x speed clearTimeout timeoutID timeoutID setTimeout moveLeft function moveRight const currXPos player mesh position x if currXPos lt xBoundary return player mesh position x speed clearTimeout timeoutID timeoutID setTimeout moveRight function moveUp const currYPos player mesh position y if currYPos gt yBoundary return player mesh position y speed clearTimeout timeoutID timeoutID setTimeout moveUp function moveDown const currYPos player mesh position y if currYPos lt yBoundary return player mesh position y speed clearTimeout timeoutID timeoutID setTimeout moveDown function handleKeyDown e if gameOver return const id e currentTarget if id left moveLeft if id right moveRight if id up moveUp if id down moveDown moving box mobile using screen btnskeyBtns forEach keyBtn gt keyBtn addEventListener mousedown handleKeyDown keyBtn addEventListener touchstart handleKeyDown keyBtn addEventListener mouseup gt clearTimeout timeoutID timeoutID keyBtn addEventListener mouseleave gt clearTimeout timeoutID timeoutID keyBtn addEventListener touchend gt clearTimeout timeoutID timeoutID keyBtn addEventListener touchcancel gt clearTimeout timeoutID timeoutID For each key button we add mousedown and touchstart event listeners When the button is clicked or touched the handleKeyDown function is called This function determines which button was clicked or touched by checking the ID of the event s currentTarget property Different functions are called depending on the ID of the button For each function that handles the movement in a particular direction we get the current position of the player box check if it is within the set boundaries and increase or decrease its position by the speed variable value We then recursively call the function again after ms using setTimeout so that the movement is continuous when the button is held down The setTimeout function returns a timeoutID that is a positive integer value It identifies the timer created by the call to setTimeout This value is passed to clearTimeout to cancel the timeout after each recursive function call so that we don t create unnecessary timeouts For each key button we also add mouseleave touchend and touchcancel event listeners These clear the timeouts when the button is not held down anymore A little cheat in the game If you have a touchscreen laptop pressing the arrow key on your keyboard and on the screen will make it move faster than normal Save and run your project Our game is complete Next stepsWe learnt the basics of three js and built a simple D game There are many things that you can do to improve the game Here are some you might want to try Replace the alert with a nicely styled modal Style the objects or import or create D models See rendering D scenes with three js for more information Add a nicer surface instead of the grid Add a loading screen while the D scene is loading Make the game more challenging by increasing the speed the player box moves at as the game progresses adding more obstacles or by making the obstacles move Add a points system Change the game logic so that you have to hit the boxes to get points Store the points in local storage Add physics to the collisions using cannon es Or for a more advanced challenge Make a bigger course try making infinite movement within finite bounds so that you don t use too much of your computer s memory You can find our repl below ritza D obstacle avoiding game 2022-07-11 12:30:39
海外TECH DEV Community Top 6 Laptop Features For Coding https://dev.to/maddy/top-6-laptop-features-for-coding-29f4 Top Laptop Features For CodingIf you code in your spare time and want a new laptop don t just for a random laptop There are some laptop features you need to consider before making a purchase It s a great idea to spend some time evaluating a laptop s features to suit your needs This article will introduce essential features you must learn before buying a laptop for your coding profession Screen SizeA laptop screen size plays a significant role when coding You will be staring at your laptop s screen most of the time especially when facing bugs There are two types of screens you can select from a built in screen or an external screen If portability is not a concern choose a wider monitor ideally between to inches If ease of use is a must you can go for a compact laptop and set up an external display at home You can easily carry your laptop to meetings or work from anywhere With external screens you will get more space and flexibility to work StorageSSDs Solid State Drives are the ideal storage for programming computers hard SSDs are faster power efficient and resistant and all of these are great features to have in a laptop Solid state drives can be more expensive than the traditional HDs Hard Drives but worth investing in Unlike hard drives that integrate moving parts SSDs store data into circuits This feature makes SSDs a silent storage device They don t make any sound while reading or writing data to the disk SSDs are typically safe to use unless they re physically damaged or broken Your data is secure when stored on solid state drives If you plan to buy a laptop with HD installed you can buy an external SSD to archive your data RAMGB is the minimum requirement when considering buying a computer for programming gaming designing or simple multitasking Anything more than that will cost you extra but will make your computer more productive If you buy a device with GB of RAM make sure it s upgradeable to at least GB Even though you have to spend additional money on a device that allows you to upgrade the specs later you must consider buying it over a non upgradable one Users often feel that a slow computer results from low storage however RAM is equally responsible for making a device sluggish You need to free up storage regularly and upgrading the RAM can improve your computer s overall performance ProcessorIf you re interested in coding you will have to work using different coding apps and testing programs Resource consuming applications demand a high end processor that can run various programs seamlessly You will find it challenging to run and execute code with limited cores If your work requires running several apps you must prioritize core counts on the processor chip On the other hand if you focus on one app at a time get a processor with a high clock speed Analyzing your coding needs is a must before buying a processor Even if you re not coding too much try to get a medium range chip at an affordable price If you re a gaming programmer you ll need a more powerful processor than an ordinary person who works with mobile app programming Operating SystemThe selection of operating systems depends on the type of coding you do If you re developing programs that run over Apple devices macOS would be the best option for you On the other hand having Windows devices is a better choice if you work on Windows programs When it comes to operating systems many people prefer Linux as it is meant for high end professionals If you prefer Linux as your operating system ensure you have good functional and operational knowledge It may surprise you but you can run Linux on Windows devices Apple Mac also allows dual booting of both the operating systems Windows and macOS via Boot Camp Moreover it provides native support for Linux x distributions PeripheralsOne essential feature that most users overlook is the peripherals As a programmer you will be typing code most of the time and usually would require a keyboard and a mouse Both these devices have to be high performing with the best performance output A wireless keyboard and mouse allow for more flexibility An ergonomics mouse and a backlit keyboard are great choices when needing to work during dark hours Wireless devices make work efficient while saving you from the mess cables leave on your computer desk ConclusionWhich one of these features do you consider the most important Let me know in the comments Until next time ‍ ️ 2022-07-11 12:27:47
海外TECH DEV Community How do you mass like comments on TikTok? https://dev.to/bartosz/how-do-you-mass-like-comments-on-tiktok-2dfg How do you mass like comments on TikTok As a TikTok creator especially a popular one it is beneficial to interact with viewers and one such element is to like their comments Manually clicking the likes for each comment is not a fun task especially if you have hundreds or even thousands of them One weird tool for mass liking all TikTok commentsThe use of additional tools such as bots allows for mass likes on comments Social Media Bot is one of the best on the market How does it work You install the Social Media Bot which is a browser extension for Chrome Firefox Opera You open your TikTok vidYou click the bot icon in the web browser toolbarYou set the number of comments to likeYou click Like comments The bot will like all the comments for you The bot is highly customizable you can set time intervals between clicking likes for individual comments you can set to skip a random number of comments when leaving likes One of its features is comment liking and a yearly license is only It is also compatible with numerous other social media platforms including Twitter Gab LinkedIn SoundCloud Gettr and Sina Weibo A video tutorial on how to use it to gain Twitter followers is available here Because the bot is a browser extension you can use it with Chrome Firefox Opera and any other browser that supports it Install Social Media Bot 2022-07-11 12:23:36
海外TECH DEV Community [Basic] Python age calculator https://dev.to/iamjaydev/basic-python-age-calculator-d0b Basic Python age calculator‍ ️Hey there I hope you are doing well Here I m sharing the knowledge I gained from creating basic python projects for beginners After all The best way to learn things is getting hands dirty Show me the code python basic project with source code What I BuiltReusable Choices loopSimple Age input with format validation dd mm yyyy Age calculation logic to calculate age in various unitsPrint Age Calculation data How I BuiltWhole calculation logic is separate from UXCode split is managed through a reusable mannerCommon Logic is separate from app specific logicLogic is written in separate reusable function chunksConclusionAs per I believe this blog post is helpful to those who are looking for python project ideas for beginners 2022-07-11 12:10:41
海外TECH DEV Community Add sign-in and sign-up to ReactJS application with no back-end code using DoTenX https://dev.to/mohsenkamrani/add-sign-in-and-sign-up-to-reactjs-application-with-no-back-end-code-using-dotenx-39ng Add sign in and sign up to ReactJS application with no back end code using DoTenXIn this video I show you how to add sign up and sign in to your ReactJS application without a single line of back end code using DoTenX DoTenX helps you build powerful and scalable back end for you applications that you can customise with as much custom code as you want Also when you use DoTenX you don t have to worry about the database hosting and deployment as it provides all of that out of the box You can find the source code of the React project here 2022-07-11 12:04:12
Apple AppleInsider - Frontpage News Apple asks Samsung to develop micro OLED displays for AR https://appleinsider.com/articles/22/07/11/apple-asks-samsung-to-develop-micro-oled-displays-for-ar?utm_medium=rss Apple asks Samsung to develop micro OLED displays for ARSamsung Display has reportedly been asked by Apple and other firms including Samsung itself to step up development of micro OLED panels that could be used in Apple AR Apple has previously talked with many manufacturers about micro OLED displays for Apple Glass According to The Elec Apple has also now asked Samsung Display to work on micro OLED panel technology presumably for its forthcoming AR headsets Reportedly Samsung Display had already been researching the technology but only with a small group Read more 2022-07-11 12:22:18
Apple AppleInsider - Frontpage News Daily deals July 11: $284 Apple Watch Series 7, $379 iPad Air, $249 Philips 28-inch 4K Monitor, more https://appleinsider.com/articles/22/07/11/daily-deals-july-11-284-apple-watch-series-7-379-ipad-air-249-philips-28-inch-4k-monitor-more?utm_medium=rss Daily deals July Apple Watch Series iPad Air Philips inch K Monitor moreMonday s best deals include a refurbished Apple Watch SE for a inch iPad Pro assorted refurbished Amazon Kindle Paperwhites and much more Best deals for July AppleInsider checks online stores daily to uncover discounts and offers on hardware and other products including Apple devices smart TVs accessories and other items The best offers are compiled into our regular list for our readers to use and save money Read more 2022-07-11 12:08:30
海外TECH Engadget Apple's 11-inch iPad Pro drops to a record low of $699 at Amazon https://www.engadget.com/apples-11-inch-ipad-pro-drops-to-a-record-low-of-699-at-amazon-122845510.html?src=rss Apple x s inch iPad Pro drops to a record low of at AmazonIf you ve been waiting for a good deal on Apple s latest iPad Pro you re in luck Amazon dropped the price of the inch space gray model to which is off its usual rate and the best price we ve seen That s how much you ll spend for the base GB model but you ll find decent sales on those with higher storage capacities too The GB version is also off and down to while the TB model is off and down to Buy inch iPad Pro at Amazon Apple didn t change too much about the iPad Pros designs when it upgraded the tablets last year That s because most of the improvements are internal ーboth the inch and inch models run on Apple s M chipset making them the most powerful iPads the company has made to date Apple also added things like G support and a USB C port that doubles as a Thunderbolt connector with USB compatibility to make the slabs more capable as laptop alternatives With the right accessories these iPad Pros could replace your aging laptop if you want something a bit more lightweight that still powerful enough to be your daily driver Both sizes of iPad Pro also have the new Center Stage camera system which will keep you in frame during FaceTime calls Ultimately the biggest difference between the inch and the inch other than overall size is that the inch iPad Pros have Apple s Liquid Retina XDR display It s certainly a nice perk if you will use the tablet to watch a lot of videos or even edit some of your own but that doesn t mean you re getting a lackluster screen on the inch version On the contrary the x resolution Liquid Retina panel with True Tone and ProMotion is one of the best screens you ll find on a high end tablet today Get the latest Amazon Prime Day offers by following EngadgetDeals on Twitter and subscribing to the Engadget Deals newsletter 2022-07-11 12:28:45
Cisco Cisco Blog Ransomware attacks can and will shut you down https://blogs.cisco.com/security/ransomware-attacks-can-and-will-shut-you-down Ransomware attacks can and will shut you downRansomware attacks on educational institutions are devastating A security solution that protects your endpoints is critical to the transition to remote learning and remote work 2022-07-11 12:00:43
海外TECH CodeProject Latest Articles Schafkopf Starter Kit 2.6 https://www.codeproject.com/Articles/5334235/Schafkopf-Starter-Kit-2-6 schafkopf 2022-07-11 12:43:00
Linux OMG! Ubuntu! Papirus Icon Set Updated with 60+ New Icons https://www.omgubuntu.co.uk/2022/07/papirus-icon-theme-update-july-2022 Papirus Icon Set Updated with New IconsPapirus icon theme just got an update adding over new icons as well revised versions of many existing icons More details on what s changed inside This post Papirus Icon Set Updated with New Icons is from OMG Ubuntu Do not reproduce elsewhere without permission 2022-07-11 12:21:40
海外科学 NYT > Science U.S. Will Buy 3.2 Million Doses of Novavax’s Covid Vaccine https://www.nytimes.com/2022/07/11/science/novavax-covid-vaccine.html covid 2022-07-11 12:01:58
海外科学 BBC News - Science & Environment Nature's true value overlooked in decision making - IPBES https://www.bbc.co.uk/news/science-environment-62116655?at_medium=RSS&at_campaign=KARANGA gains 2022-07-11 12:03:36
金融 RSS FILE - 日本証券業協会 新規公開に際して行う株券の個人顧客への配分状況 https://www.jsda.or.jp/shiryoshitsu/toukei/shinkikoukai/index.html 新規公開 2022-07-11 13:00:00
海外ニュース Japan Times latest articles Japan honors Shinzo Abe with highest decoration as wake held in Tokyo https://www.japantimes.co.jp/news/2022/07/11/national/shinzo-abe-highest-decoration/ Japan honors Shinzo Abe with highest decoration as wake held in TokyoAbe is the fourth former prime minister to receive the Collar of the Supreme Order of the Chrysanthemum which is made from pure gold and 2022-07-11 21:50:49
海外ニュース Japan Times latest articles Taiwan vice president makes rare Japan visit to pay respects to Abe https://www.japantimes.co.jp/news/2022/07/11/national/taiwan-abe-tribute-vice-president/ Taiwan vice president makes rare Japan visit to pay respects to AbeTaiwan s official Central News Agency said William Lai who will attend Abe s funeral is the most senior official to visit Japan since Tokyo broke official 2022-07-11 21:29:29
ニュース BBC News - Home UK heatwave: People advised to be cautious as temperatures soar https://www.bbc.co.uk/news/uk-62117348?at_medium=RSS&at_campaign=KARANGA drink 2022-07-11 12:21:47
ニュース BBC News - Home Archie Battersbee has no prospect of recovery, court told https://www.bbc.co.uk/news/uk-england-essex-62119015?at_medium=RSS&at_campaign=KARANGA legal 2022-07-11 12:10:20
ニュース BBC News - Home India: Police rumble fake 'IPL' cricket league https://www.bbc.co.uk/news/world-asia-india-62123966?at_medium=RSS&at_campaign=KARANGA gamblers 2022-07-11 12:25:09
北海道 北海道新聞 全日空、737MAXを購入 墜落事故後に安全確認 https://www.hokkaido-np.co.jp/article/704479/ 国土交通省 2022-07-11 21:52:00
北海道 北海道新聞 参院選与党大勝 道内経済界、価格高騰対策に期待 https://www.hokkaido-np.co.jp/article/704478/ 高騰 2022-07-11 21:51:00
北海道 北海道新聞 致命傷の発砲、安倍氏まで5m 1発目から接近、3秒後に2発目 https://www.hokkaido-np.co.jp/article/704470/ 安倍晋三 2022-07-11 21:45:00
北海道 北海道新聞 「まちなか再生」着手急ぐ 芽室町長再選の手島氏に聞く https://www.hokkaido-np.co.jp/article/704466/ 芽室町 2022-07-11 21:42:13
北海道 北海道新聞 石川氏、十勝で4割固めるも及ばず 管内全19市町村で最多得票 https://www.hokkaido-np.co.jp/article/704465/ 選挙区 2022-07-11 21:32:00
北海道 北海道新聞 銃の試し撃ち?ビルを現場検証 旧統一教会の関連施設入居 https://www.hokkaido-np.co.jp/article/704464/ 奈良県警 2022-07-11 21:30:00
北海道 北海道新聞 1歳馬総額128億円超 過去最高 苫小牧でサラブレッド競り市 https://www.hokkaido-np.co.jp/article/704463/ 過去最高 2022-07-11 21:28:00
北海道 北海道新聞 上川管内11人感染 新型コロナ https://www.hokkaido-np.co.jp/article/704406/ 上川管内 2022-07-11 21:26:28
北海道 北海道新聞 100万円だまし取られる 札幌の80代男性 https://www.hokkaido-np.co.jp/article/704460/ 札幌市中央区 2022-07-11 21:25:00
北海道 北海道新聞 能登半島の地震、原因特定できず 政府調査委「当分続き注意必要」 https://www.hokkaido-np.co.jp/article/704458/ 名誉教授 2022-07-11 21:23:00
北海道 北海道新聞 東部の住宅攻撃、死者18人に 「故意の殺人」とゼレンスキー氏 https://www.hokkaido-np.co.jp/article/704457/ 非常事態 2022-07-11 21:23:00
北海道 北海道新聞 自民、45都道府県で得票率首位 参院選比例、大阪と兵庫は維新 https://www.hokkaido-np.co.jp/article/704456/ 比例代表 2022-07-11 21:21:00
北海道 北海道新聞 キャッシュカード使い100万円窃盗疑い 男2人を再逮捕 札幌北署 https://www.hokkaido-np.co.jp/article/704446/ 田中屋敷 2022-07-11 21:16:41
北海道 北海道新聞 比例の党名投票、過去最高78% 増加傾向続く、共産91% https://www.hokkaido-np.co.jp/article/704451/ 増加傾向 2022-07-11 21:14:00
北海道 北海道新聞 「メロンのお酒」風味豊か 共和町が商品化「若い人飲みやすく」 https://www.hokkaido-np.co.jp/article/704368/ 風味 2022-07-11 21:12:53
北海道 北海道新聞 比例個人名票、最多は赤松健氏 53万票、特定枠は3千票で当選 https://www.hokkaido-np.co.jp/article/704449/ 比例代表 2022-07-11 21:12:00
北海道 北海道新聞 「未利用魚」シェフが調理 おたる水族館で16日から催し https://www.hokkaido-np.co.jp/article/704371/ 未利用魚 2022-07-11 21:07:50

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