Star Zoom

{"name":"Star Zoom","description":"Experience the mesmerizing visual effect as stars appear to zoom towards you in this interactive display of celestial movement.","photo":null,"view_count":9,"fork_count":0,"expires_at":null,"created_at":"2024-03-25T19:51:43.698575Z","updated_at":"2024-03-25T19:51:43.698576Z","user_id":59,"status":"PRIVATE","parent_id":null,"id":926,"user":{"photo":null,"email":null,"recess_id":"0c343b5d-70ad-030a-89d2-b1f54b6318ff","created_at":"2024-02-23T23:46:05.409490Z","reset_token":null,"stripe_customer_id":null,"seats":null,"username":"nebwinters2","id":59,"password_hash":null,"updated_at":"2024-02-23T23:46:05.409493Z","reset_token_expiry":null,"subscription_status":null},"code":{"script.js":"let stars = [];\n\nfunction setup() {\n createCanvas(windowWidth, windowHeight);\n for (let i = 0; i < 100; i++) {\n stars.push(new Star());\n }\n let img = createImg(\"@asset('url')\", \"Star Zoom Centerpiece\");\n img.style('position', 'absolute');\n img.style('top', '50%');\n img.style('left', '50%');\n img.style('transform', 'translate(-50%, -50%)');\n img.style('z-index', '10');\n}\nfunction draw() {\n background(0);\n translate(width / 2, height / 2);\n stars.forEach(star => {\n star.update();\n star.show();\n });\n}\n\nclass Star {\n constructor() {\n this.x = random(-width, width);\n this.y = random(-height, height);\n this.z = random(width);\n }\n\n update() {\n this.z = this.z - 20;\n if (this.z < 1) {\n this.x = random(-width, width);\n this.y = random(-height, height);\n this.z = width;\n }\n }\n\n show() {\n fill(255);\n noStroke();\n let sx = map(this.x / this.z, 0, 1, 0, width);\n let sy = map(this.y / this.z, 0, 1, 0, height);\n let r = map(this.z, 0, width, 16, 0);\n circle(sx, sy, r);\n }\n}","style.css":"","index.html":"\n\n\n\n \n \n Star Zoom\n \n\n\n\n \n

\n $\"Star$ \n

\n \n\n\n"},"chat_history":[{"message":"Let's get started!","project_id":926,"created_at":"2024-03-25T19:52:01.826735Z","output_tokens":null,"sender":"human","code_id":56469,"deleted":0,"input_tokens":null,"id":31188},{"message":"```javascript\nfunction draw() {\n background(0);\n translate(width / 2, height / 2);\n\n for (let i = 0; i < 100; i++) {\n const radius = random(1, 5);\n const x = random(-width / 2, width / 2);\n const y = random(-height / 2, height / 2);\n fill(255);\n noStroke();\n circle(x, y, radius);\n }\n}\n```\n\n- This code block initializes the `draw` function, which is a p5.js function that continuously executes the lines of code contained within it, allowing for animations.\n- The `background(0);` line clears the canvas with a black color (0 for black) at the beginning of every draw call to prevent leaving a trail of circles.\n- `translate(width / 2, height / 2);` moves the origin point to the center of the canvas, making it easier to position elements relative to the center.\n- Within the `for` loop, stars are randomly positioned and drawn on the canvas with a radius between 1 and 5 pixels, giving the appearance of stars in the night sky.","project_id":926,"created_at":"2024-03-25T19:52:01.833521Z","output_tokens":null,"sender":"ai","code_id":56469,"deleted":0,"input_tokens":null,"id":31189},{"message":"i want them to zoom at me, it looks like they're just moving around","project_id":926,"created_at":"2024-03-25T19:52:30.442312Z","output_tokens":null,"sender":"human","code_id":56472,"deleted":0,"input_tokens":null,"id":31190},{"message":"```javascript\nlet stars = [];\n\nfunction setup() {\n createCanvas(windowWidth, windowHeight);\n for (let i = 0; i < 100; i++) {\n stars.push(new Star());\n }\n}\n\nfunction draw() {\n background(0);\n translate(width / 2, height / 2);\n stars.forEach(star => {\n star.update();\n star.show();\n });\n}\n\nclass Star {\n constructor() {\n this.x = random(-width, width);\n this.y = random(-height, height);\n this.z = random(width);\n }\n\n update() {\n this.z = this.z - 20;\n if (this.z < 1) {\n this.x = random(-width, width);\n this.y = random(-height, height);\n this.z = width;\n }\n }\n\n show() {\n fill(255);\n noStroke();\n let sx = map(this.x / this.z, 0, 1, 0, width);\n let sy = map(this.y / this.z, 0, 1, 0, height);\n let r = map(this.z, 0, width, 16, 0);\n circle(sx, sy, r);\n }\n}\n```\n\n- The `Star` class is defined to encapsulate the properties and behaviors of a star. Each star has its own `x`, `y`, and `z` coordinates, with `z` being used to simulate depth and create the zooming effect.\n- In the `setup` function, we initialize an array of `Star` objects. This allows us to manage multiple stars easily and apply updates or draw them with loops.\n- The `update` method of the `Star` class decreases the `z` coordinate of a star, making it appear to zoom towards the viewer. When a star \"passes\" the viewer (when `z` is less than 1), it is repositioned to a random location at the far end of the \"space\" to continue the loop.\n- The `show` method calculates the star's appearance based on its `z` coordinate. The `map` function is used to adjust the star's position and size based on its `z` value, creating the illusion of movement and change in size as it zooms.\n- The `draw` function now calls `update` and `show` for each star, creating a dynamic starfield where stars continuously zoom towards the viewer.","project_id":926,"created_at":"2024-03-25T19:52:30.449192Z","output_tokens":null,"sender":"ai","code_id":56472,"deleted":0,"input_tokens":null,"id":31191},{"message":"let's add a slider for speed","project_id":926,"created_at":"2024-03-25T19:53:18.804903Z","output_tokens":null,"sender":"human","code_id":56474,"deleted":0,"input_tokens":null,"id":31192},{"message":"```html\n\n \n

\n Speed:\n \n

\n \n\n```\n\n- Adds a slider input for controlling speed with a label, within a `div` element for easier styling. The `div` is absolutely positioned to avoid interfering with the canvas.\n- The `min`, `max`, and default `value` attributes of the slider are set to control the range and starting speed of the stars.\n\n```javascript\nlet speedSlider;\n\nfunction setup() {\n createCanvas(windowWidth, windowHeight);\n for (let i = 0; i < 100; i++) {\n stars.push(new Star());\n }\n speedSlider = select('#speedSlider');\n}\n\nclass Star {\n update() {\n this.z = this.z - speedSlider.value();\n if (this.z < 1) {\n this.x = random(-width, width);\n this.y = random(-height, height);\n this.z = width;\n }\n }\n}\n```\n\n- Adds a global variable `speedSlider` to store the slider element.\n- In the `setup` function, the `speedSlider` is assigned by selecting the slider input using its ID, allowing its value to be accessed within the script.\n- Modifies the `update` method in the `Star` class to use the current value of `speedSlider` for adjusting the stars' speed dynamically, providing interactive control over the zoom speed of the stars.","project_id":926,"created_at":"2024-03-25T19:53:18.810697Z","output_tokens":null,"sender":"ai","code_id":56474,"deleted":0,"input_tokens":null,"id":31193},{"message":"can we have \"@asset('url')\" in the middle of the screen","project_id":926,"created_at":"2024-03-25T19:55:20.302497Z","output_tokens":null,"sender":"human","code_id":56477,"deleted":0,"input_tokens":null,"id":31198},{"message":"```html\n\n \n

\n $\"Star$ \n

\n \n\n```\n\n- This code adds an `img` element inside a `div` with inline styles to absolutely position it in the center of the screen using `top: 50%`, `left: 50%`, and `transform: translate(-50%, -50%)`. \n- The `@asset('url')` is used as the `src` for the `img` tag, which will be replaced with the correct filepath for the asset named 'url'. \n- The `z-index: 10;` in the `div` style ensures that the image stays above the canvas but does not interfere with any slider or interactive element you might have added.","project_id":926,"created_at":"2024-03-25T19:55:20.308287Z","output_tokens":null,"sender":"ai","code_id":56477,"deleted":0,"input_tokens":null,"id":31199},{"message":"let's do it in javascript","project_id":926,"created_at":"2024-03-25T19:55:44.588797Z","output_tokens":null,"sender":"human","code_id":56480,"deleted":0,"input_tokens":null,"id":31200},{"message":"```javascript\nfunction setup() {\n createCanvas(windowWidth, windowHeight);\n for (let i = 0; i < 100; i++) {\n stars.push(new Star());\n }\n let img = createImg(\"@asset('url')\", \"Star Zoom Centerpiece\");\n img.style('position', 'absolute');\n img.style('top', '50%');\n img.style('left', '50%');\n img.style('transform', 'translate(-50%, -50%)');\n img.style('z-index', '10');\n}\n```\n\n- The `createImg` function from p5.js is used to create an image element in the DOM. The first argument \"@asset('url')\" specifies the source of the image, and the second argument is an alternate text for the image.\n- The `style` method is applied to the `img` object to set CSS properties directly in JavaScript. This positions the image at the center of the screen with absolute positioning and uses `transform` to accurately center the image based on its own dimensions.\n- By setting the `z-index` to '10', the image is ensured to be placed above the canvas element but below any interactive UI elements like sliders, allowing for visual layering.\n- This code should be placed within the `setup` function to ensure the image is loaded and styled when the sketch starts.","project_id":926,"created_at":"2024-03-25T19:55:44.594649Z","output_tokens":null,"sender":"ai","code_id":56480,"deleted":0,"input_tokens":null,"id":31201}],"assets":[{"project_id":926,"creator":null,"cloudinary_id":"jio0bpnphdwewpioxpby","deleted":false,"id":2302,"created_at":"2024-03-25T19:55:04.148718Z","name":"url","resource_type":"image","tags":null}],"messages_sent":5,"comments":[],"steps":[{"title":"Dynamic Star Movement","instruction":"Manipulate the position and size of star shapes on the screen to create the illusion of movement.","created_at":"2024-03-25T19:51:43.706249","project_id":926,"complete":false,"step_number":0,"updated_at":"2024-03-25T19:51:43.706251","id":4761},{"title":"Background Effects","instruction":"Add dynamic background effects to enhance the visual experience.","created_at":"2024-03-25T19:51:43.706313","project_id":926,"complete":false,"step_number":1,"updated_at":"2024-03-25T19:51:43.706313","id":4762}]}