球体と球体がぶつかってひとつの大きな球体になる映像's game

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No:40921

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球体と球体がぶつかってひとつの大きな球体になる映像
Developer User18209｜Date and time 24/2/4 15:52:12
Build time 8.308 sec｜Game capacity 2.22KB｜

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Click here for free DL of the app version that can save data.

<!DOCTYPE html>
<html>
<head>
    <title>球体がぶつかるゲーム</title>
    <meta charset="UTF-8">
    <style type="text/css">
        canvas {
            border: 1px solid #000000;
        }
    </style>
</head>
<body>
    <canvas id="gameCanvas" width="400" height="400"></canvas>

let circle1 = {
            x: 50,
            y: 50,
            radius: 20,
            dx: 2,
            dy: 2
        };

let circle2 = {
            x: 300,
            y: 150,
            radius: 20,
            dx: -2,
            dy: -2
        };

function drawCircle(x, y, radius, color) {
            ctx.beginPath();
            ctx.arc(x, y, radius, 0, 2 * Math.PI, false);
            ctx.fillStyle = color;
            ctx.fill();
            ctx.closePath();
        }

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

circle1.x += circle1.dx;
            circle1.y += circle1.dy;

circle2.x += circle2.dx;
            circle2.y += circle2.dy;

drawCircle(circle1.x, circle1.y, circle1.radius, "red");
            drawCircle(circle2.x, circle2.y, circle2.radius, "blue");

if (Math.sqrt(Math.pow(circle1.x - circle2.x, 2) + Math.pow(circle1.y - circle2.y, 2)) <= circle1.radius + circle2.radius) {
                let combinedRadius = Math.sqrt(Math.pow(circle1.radius, 2) + Math.pow(circle2.radius, 2));
                let newX = (circle1.x + circle2.x) / 2;
                let newY = (circle1.y + circle2.y) / 2;

circle1 = {
                    x: newX,
                    y: newY,
                    radius: combinedRadius,
                    dx: circle1.dx,
                    dy: circle1.dy
                };

circle2 = {
                    x: newX,
                    y: newY,
                    radius: combinedRadius,
                    dx: circle2.dx,
                    dy: circle2.dy
                };
            }

requestAnimationFrame(update);
        }

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