Circles and squares shooting out projectiles And other things appear And they home in at it's game

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No:44815

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Circles and squares shooting out projectiles And o..ALL
Developer User19470｜Date and time 24/2/19 6:34:15
Build time 8.594 sec｜Game capacity 3.516KB｜

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[PR]現在の欲しいものランキング

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<!DOCTYPE html>
<html>
<head>
    <title>Projectile Shooter Game</title>
</head>
<body>
    <canvas id="gameCanvas" width="800" height="600"></canvas>
    
    <script>
        const canvas = document.getElementById("gameCanvas");
        const ctx = canvas.getContext("2d");

const player = {
            x: canvas.width / 2,
            y: canvas.height - 30,
            radius: 20,
            color: "#f00",
            speed: 5
        };

const projectiles = [];
        const enemies = [];

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

function movePlayer(direction) {
            if (direction === "left" && player.x - player.speed > 0) {
                player.x -= player.speed;
            } else if (direction === "right" && player.x + player.speed < canvas.width) {
                player.x += player.speed;
            }
        }

function spawnEnemies() {
            const enemy = {
                x: Math.random() * canvas.width,
                y: 0,
                radius: 15,
                color: "#00f",
                speed: 3
            };
            enemies.push(enemy);
        }

function drawEnemies() {
            enemies.forEach(enemy => {
                ctx.beginPath();
                ctx.fillStyle = enemy.color;
                ctx.arc(enemy.x, enemy.y, enemy.radius, 0, Math.PI * 2);
                ctx.fill();
                ctx.closePath();
            });
        }

function moveEnemies() {
            enemies.forEach(enemy => {
                enemy.y += enemy.speed;
            });
        }

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

drawPlayer();

projectiles.forEach((projectile, index) => {
                projectile.y -= 8;
                ctx.beginPath();
                ctx.fillStyle = "#fff";
                ctx.arc(projectile.x, projectile.y, projectile.radius, 0, Math.PI * 2);
                ctx.fill();
                ctx.closePath();

if (projectile.y + projectile.radius < 0) {
                    projectiles.splice(index, 1);
                }
            });

moveEnemies();
            drawEnemies();

collisionDetection();

requestAnimationFrame(animate);
        }

setInterval(spawnEnemies, 1000);

animate();