Physics engine with blocks (Rigid Bodies)'s game

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No:45928

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Physics engine with blocks (Rigid Bodies)
Developer User19755｜Date and time 24/2/22 3:59:24
Build time 6.948 sec｜Game capacity 1.772KB｜

Script

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<html>
<head>
    <style>
        body {
            margin: 0;
            overflow: hidden;
        }

canvas {
            display: block;
        }
    </style>
</head>
<body>
    <canvas id="gameCanvas"></canvas>
    <script>
        const canvas = document.getElementById("gameCanvas");
        const ctx = canvas.getContext("2d");

canvas.width = window.innerWidth;
        canvas.height = window.innerHeight;

const blocks = [];

class Block {
            constructor(x, y, width, height) {
                this.x = x;
                this.y = y;
                this.width = width;
                this.height = height;
                this.color = "orange";
                this.velocityX = 3;
            }

draw() {
                ctx.fillStyle = this.color;
                ctx.fillRect(this.x, this.y, this.width, this.height);
            }

update() {
                this.x += this.velocityX;

if (this.x + this.width > canvas.width || this.x < 0) {
                    this.velocityX *= -1;
                }
            }
        }

// Create initial blocks
        for (let i = 0; i < 5; i++) {
            const x = Math.random() * canvas.width;
            const y = Math.random() * canvas.height;
            const width = Math.random() * 50 + 50;
            const height = width;

blocks.push(new Block(x, y, width, height));
        }

function gameLoop() {
            ctx.clearRect(0, 0, canvas.width, canvas.height);

for (const block of blocks) {
                block.update();
                block.draw();
            }

requestAnimationFrame(gameLoop);
        }

gameLoop();
    </script>
</body>
</html>