WebThings/Particle-Text.html at main · thamaracode/WebThings · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Futuristic Particle Shifter</title>
    <style>
        body {
            margin: 0;
            background: #000;
            overflow: hidden;
            font-family: 'Courier New', Courier, monospace;
        }
        canvas {
            display: block;
        }
        #ui {
            position: absolute;
            bottom: 20px;
            left: 50%;
            transform: translateX(-50%);
            color: #0ff;
            text-align: center;
            pointer-events: none;
            text-shadow: 0 0 10px #0ff;
            letter-spacing: 2px;
            font-size: 12px;
            text-transform: uppercase;
        }
    </style>
</head>
<body>

    <div id="ui">Move mouse to scatter — Click to shift text</div>
    <canvas id="canvas1"></canvas>

    <script>
        const canvas = document.getElementById('canvas1');
        const ctx = canvas.getContext('2d');
        canvas.width = window.innerWidth;
        canvas.height = window.innerHeight;

        let particleArray = [];
        let words = ["FUTURE", "MAX-HTML5", "SHIFTER", "AMAZED"];
        let wordIndex = 0;

        // Mouse properties
        const mouse = {
            x: null,
            y: null,
            radius: 100 // Area of influence
        }

        window.addEventListener('mousemove', function(event) {
            mouse.x = event.x;
            mouse.y = event.y;
        });

        class Particle {
            constructor(x, y) {
                this.x = Math.random() * canvas.width; // Start from random spot
                this.y = Math.random() * canvas.height;
                this.destX = x; // The pixel's "home" position
                this.destY = y;
                this.size = 2;
                this.baseX = this.x;
                this.baseY = this.y;
                this.density = (Math.random() * 30) + 1; // Movement speed variation
                this.color = '#00f2ff';
            }

            draw() {
                ctx.fillStyle = this.color;
                ctx.beginPath();
                ctx.arc(this.x, this.y, this.size, 0, Math.PI * 2);
                ctx.closePath();
                ctx.fill();
            }

            update() {
                // Physics calculation: Distance from mouse
                let dx = mouse.x - this.x;
                let dy = mouse.y - this.y;
                let distance = Math.sqrt(dx * dx + dy * dy);
                let forceDirectionX = dx / distance;
                let forceDirectionY = dy / distance;

                // Max distance for repulsion
                let maxDistance = mouse.radius;
                let force = (maxDistance - distance) / maxDistance;
                let directionX = forceDirectionX * force * this.density;
                let directionY = forceDirectionY * force * this.density;

                if (distance < mouse.radius) {
                    this.x -= directionX;
                    this.y -= directionY;
                    this.color = '#ff00ff'; // Turn purple when disturbed
                } else {
                    // Magnetically pull back to original position
                    if (this.x !== this.destX) {
                        let dx = this.x - this.destX;
                        this.x -= dx / 10;
                    }
                    if (this.y !== this.destY) {
                        let dy = this.y - this.destY;
                        this.y -= dy / 10;
                    }
                    this.color = '#00f2ff';
                }
            }
        }

        function init(text) {
            particleArray = [];
            // Draw text temporarily to scan pixels
            ctx.fillStyle = 'white';
            ctx.font = 'bold 120px Verdana';
            ctx.textAlign = 'center';
            ctx.fillText(text, canvas.width/2, canvas.height/2);

            // Scan the box where the text is (Red, Green, Blue, Alpha)
            const textCoordinates = ctx.getImageData(0, 0, canvas.width, canvas.height);
            ctx.clearRect(0, 0, canvas.width, canvas.height);

            // Loop through pixel data (scanning every 5th pixel for performance)
            for (let y = 0; y < textCoordinates.height; y += 5) {
                for (let x = 0; x < textCoordinates.width; x += 5) {
                    // Check if Alpha (4th value) is high enough (visible pixel)
                    if (textCoordinates.data[(y * 4 * textCoordinates.width) + (x * 4) + 3] > 128) {
                        let positionX = x;
                        let positionY = y;
                        particleArray.push(new Particle(positionX, positionY));
                    }
                }
            }
        }

        function animate() {
            ctx.clearRect(0, 0, canvas.width, canvas.height);
            for (let i = 0; i < particleArray.length; i++) {
                particleArray[i].update();
                particleArray[i].draw();
            }
            requestAnimationFrame(animate);
        }

        // Change text on click
        window.addEventListener('mousedown', function() {
            wordIndex = (wordIndex + 1) % words.length;
            init(words[wordIndex]);
        });

        // Resize handler
        window.addEventListener('resize', function() {
            canvas.width = window.innerWidth;
            canvas.height = window.innerHeight;
            init(words[wordIndex]);
        });

        init(words[wordIndex]);
        animate();
    </script>
</body>
</html>