What steps must be taken to create this captivating animation?

Question

What steps must be taken to create this captivating animation?

While exploring the Google atmosphere website, I came across a fascinating feature that caught my attention. I am curious about how the circling bubbles' animated effect is created. I am specifically interested in their movement around a circular path without any other functionalities.

You can view the website by following this link:

I would like to know how to generate multiple circles with random movements along a circular path and understand the animation technique used to connect these circles with each other.

javascript html css animation

Answer 1

Answer №1

Upon examining the bubble animation displayed on the website, it becomes evident that the animation leverages the HTML5 canvas element to produce and animate the bubbles. There are multiple methods that can be utilized to achieve the rotation effect. Below is a potential approach demonstrating how a single circle can be animated in a continuous loop. While creating the full functionality seen on the website would require more complexity, this example should provide a foundational understanding of how it could be achieved.

var canvas = document.getElementById("canvas");
var context = canvas.getContext('2d');

var circlePosX = 40;
var circlePosY = 60;
var radius = 10
var rotationSpeed = 0.025;
var canvasCenterX = canvas.width/2;
var canvasCenterY = canvas.height/2;

// Initiate Canvas Animation
window.requestAnimationFrame(drawFrame);

function drawFrame() {
    
    // Clear Canvas
    context.clearRect(0, 0, canvas.width, canvas.height);
        
    // Draw Circle
    context.beginPath();
    context.arc(circlePosX, circlePosY, radius, 0, 2 * Math.PI, true);
    context.fillStyle = 'green';
    context.fill();
    
    // Rotate Canvas Around Center
    context.translate(canvasCenterX, canvasCenterY);
    context.rotate(rotationSpeed);
    context.translate(-canvasCenterX, -canvasCenterY);

    // Continue Animation
    window.requestAnimationFrame(drawFrame);
}

<canvas id="canvas" width="200" height="150" style="border: 1px solid black" />

If you wish to delve deeper into creating animations using the canvas element, there is a valuable resource available on MDN. Follow this link for more information: Basic animations

Answer 2

Upon examining the bubble animation displayed on the website, it becomes evident that the animation leverages the HTML5 canvas element to produce and animate the bubbles. There are multiple methods that can be utilized to achieve the rotation effect. Below is a potential approach demonstrating how a single circle can be animated in a continuous loop. While creating the full functionality seen on the website would require more complexity, this example should provide a foundational understanding of how it could be achieved.

var canvas = document.getElementById("canvas");
var context = canvas.getContext('2d');

var circlePosX = 40;
var circlePosY = 60;
var radius = 10
var rotationSpeed = 0.025;
var canvasCenterX = canvas.width/2;
var canvasCenterY = canvas.height/2;

// Initiate Canvas Animation
window.requestAnimationFrame(drawFrame);

function drawFrame() {
    
    // Clear Canvas
    context.clearRect(0, 0, canvas.width, canvas.height);
        
    // Draw Circle
    context.beginPath();
    context.arc(circlePosX, circlePosY, radius, 0, 2 * Math.PI, true);
    context.fillStyle = 'green';
    context.fill();
    
    // Rotate Canvas Around Center
    context.translate(canvasCenterX, canvasCenterY);
    context.rotate(rotationSpeed);
    context.translate(-canvasCenterX, -canvasCenterY);

    // Continue Animation
    window.requestAnimationFrame(drawFrame);
}

<canvas id="canvas" width="200" height="150" style="border: 1px solid black" />

If you wish to delve deeper into creating animations using the canvas element, there is a valuable resource available on MDN. Follow this link for more information: Basic animations

What steps must be taken to create this captivating animation?

Answer №1

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