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No:48890

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Falling cubes
Developer User15380｜Date and time 24/3/3 6:13:25
Build time 6.114 sec｜Game capacity 2.011KB｜

Script

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[PR]現在の欲しいゲームランキング

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

<html>
<head>
  <style>
    canvas {
      border: 2px solid black;
      display: block;
      margin: 0 auto;
    }
  </style>
</head>
<body>
  <canvas id="gameCanvas" width="400" height="600"></canvas>
  
  <script>
    const canvas = document.getElementById('gameCanvas');
    const ctx = canvas.getContext('2d');
    
    const player = {
      x: 200,
      y: 550,
      width: 50,
      height: 50,
      speed: 5
    };
    
    let cubes = [];
    
    function spawnCube() {
      const cube = {
        x: Math.random() * 350,
        y: 0,
        width: 50,
        height: 50,
        speed: 1
      };
      cubes.push(cube);
    }
    
    function drawPlayer() {
      ctx.fillStyle = 'blue';
      ctx.fillRect(player.x, player.y, player.width, player.height);
    }
    
    function drawCubes() {
      cubes.forEach(cube => {
        ctx.fillStyle = 'red';
        ctx.fillRect(cube.x, cube.y, cube.width, cube.height);
      });
    }
    
    function movePlayer() {
      document.addEventListener('keydown', (e) => {
        if (e.key === 'ArrowLeft' && player.x > 0) {
          player.x -= player.speed;
        } else if (e.key === 'ArrowRight' && player.x < 350) {
          player.x += player.speed;
        }
      });
    }
    
    function moveCubes() {
      cubes.forEach(cube => {
        cube.y += cube.speed;
      });
    }
    
    function checkCollision() {
      cubes.forEach((cube, index) => {
        if (player.x < cube.x + cube.width &&
            player.x + player.width > cube.x &&
            player.y < cube.y + cube.height &&
            player.y + player.height > cube.y) {
          cubes.splice(index, 1);
        }
      });
    }
    
    function gameLoop() {
      ctx.clearRect(0, 0, canvas.width, canvas.height);
      
      spawnCube();
      moveCubes();
      checkCollision();
      
      drawPlayer();
      drawCubes();
      
      requestAnimationFrame(gameLoop);
    }
    
    gameLoop();
    movePlayer();
  </script>
</body>
</html>