dodgeGame/gameExample.html at main · leooladimu/dodgeGame · GitHub

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<!doctype html>
<html>
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>2D Game Engine</title>
    <style>
      body {
        margin: 0;
        padding: 20px;
        background: #111;
        color: #fff;
        font-family: system-ui, sans-serif;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        min-height: 100vh;
      }
      h1 {
        margin-bottom: 10px;
        color: #0170ff;
      }
      #gameContainer {
        position: relative;
        margin-bottom: 20px;
      }
      canvas {
        display: block;
        background: #222;
        border: 3px solid #0170ff;
        cursor: none;
      }
      #info {
        text-align: center;
        max-width: 800px;
        line-height: 1.6;
        color: #aaa;
        font-size: 14px;
      }
      .controls {
        margin-top: 15px;
        padding: 15px;
        background: #1a1a1a;
        border: 1px solid #444;
        border-radius: 4px;
      }
      .controls h3 {
        margin-top: 0;
        color: #0170ff;
      }
      .controls p {
        margin: 5px 0;
      }
      .key {
        background: #333;
        padding: 2px 6px;
        border-radius: 3px;
        font-family: monospace;
      }
    </style>
  </head>
  <body>
    <h1>🎮 2D Game Engine</h1>
    <div id="gameContainer">
      <canvas id="gameCanvas"></canvas>
    </div>
    <div id="info">
      <p id="score">Score: 0</p>
      <div class="controls">
        <h3>How to Play</h3>
        <p>
          Move your player (tan rune ᛉ) to collect cultural memes (green
          dollars) and avoid enemies (red stars).
        </p>
        <p>
          <span class="key">←</span> <span class="key">→</span>
          <span class="key">↑</span> <span class="key">↓</span> or
          <span class="key">WASD</span> to move
        </p>
        <p>Collect cultural memes to win! Collide with enemies to lose.</p>
      </div>
    </div>

    <script src="gameEngine.js"></script>
    <script>
      // Create game engine
      const engine = new GameEngine("gameCanvas", 800, 600);

      // Game state
      let score = 0;
      let gameOver = false;
      let won = false;
      const WIN_SCORE = 10;

      // Create player (Algiz rune ᛉ)
      const player = engine.addSprite(
        new Sprite(engine.width / 2 - 16, engine.height / 2, 32, 32, "#D2B48C"),
      );
      player.tag = "player";
      player.speed = 300; // pixels per second
      // Render player as Algiz rune (ᛉ)
      player.renderShape = "rune";

      // Create coins
      function spawnCoin() {
        const coin = engine.addSprite(
          new Sprite(
            Math.random() * (engine.width - 20),
            Math.random() * (engine.height - 20),
            20,
            20,
            "#00ff00",
          ),
        );
        coin.tag = "meme";
        coin.renderShape = "dollar";
        return coin;
      }

      // Create enemies
      function spawnEnemy() {
        const enemy = engine.addSprite(
          new Sprite(
            Math.random() * (engine.width - 24),
            Math.random() * (engine.height - 24),
            24,
            24,
            "#ff0101",
          ),
        );
        enemy.tag = "enemy";
        enemy.speed = 150 + Math.random() * 100;
        890;
        enemy.dirX = Math.random() > 0.5 ? 1 : -1;
        enemy.dirY = Math.random() > 0.5 ? 1 : -1;
        enemy.renderShape = "star";
        return enemy;
      }

      // Initial setup
      for (let i = 0; i < 5; i++) spawnCoin();
      for (let i = 0; i < 3; i++) spawnEnemy();

      // Override update to add game logic
      const originalUpdate = engine.update.bind(engine);
      engine.update = function (dt) {
        if (gameOver || won) return;

        // Player input
        if (engine.isKeyPressed("arrowleft") || engine.isKeyPressed("a")) {
          player.vel.x = -player.speed;
        } else if (
          engine.isKeyPressed("arrowright") ||
          engine.isKeyPressed("d")
        ) {
          player.vel.x = player.speed;
        } else {
          player.vel.x = 0;
        }

        if (engine.isKeyPressed("arrowup") || engine.isKeyPressed("w")) {
          player.vel.y = -player.speed;
        } else if (
          engine.isKeyPressed("arrowdown") ||
          engine.isKeyPressed("s")
        ) {
          player.vel.y = player.speed;
        } else {
          player.vel.y = 0;
        }

        // Update sprites
        originalUpdate(dt);

        // Clamp player to bounds
        player.pos.x = Math.max(
          0,
          Math.min(player.pos.x, engine.width - player.width),
        );
        player.pos.y = Math.max(
          0,
          Math.min(player.pos.y, engine.height - player.height),
        );

        // Update enemies (simple AI: bounce around)
        const enemies = engine.findSpritesWithTag("enemy");
        for (const enemy of enemies) {
          enemy.vel.x = enemy.dirX * enemy.speed;
          enemy.vel.y = enemy.dirY * enemy.speed;

          // Bounce off walls
          if (enemy.pos.x <= 0 || enemy.pos.x + enemy.width >= engine.width) {
            enemy.dirX *= -1;
          }
          if (enemy.pos.y <= 0 || enemy.pos.y + enemy.height >= engine.height) {
            enemy.dirY *= -1;
          }
        }

        // Collision: player vs coins
        const coins = engine.findSpritesWithTag("meme");
        for (const coin of coins) {
          if (player.collidesWith(coin)) {
            engine.removeSprite(coin);
            score++;
            document.getElementById("score").textContent = `Score: ${score}`;
            if (score >= WIN_SCORE) {
              won = true;
              document.getElementById("score").textContent =
                `🎉 You Won! Score: ${score}`;
            } else {
              spawnCoin();
            }
          }
        }

        // Collision: player vs enemies
        for (const enemy of enemies) {
          if (player.collidesWith(enemy)) {
            gameOver = true;
            document.getElementById("score").textContent =
              `💀 Game Over! Final Score: ${score}`;
          }
        }
      };

      // Override render to add debug info
      const originalRender = engine.render.bind(engine);
      engine.render = function () {
        originalRender();

        // Draw text overlay
        this.ctx.fillStyle = "#fff";
        this.ctx.font = "bold 16px system-ui";
        this.ctx.fillText(`Score: ${score}/${WIN_SCORE}`, 20, 30);
        this.ctx.font = "normal 12px system-ui";
        this.ctx.fillText(
          `Memes: ${engine.findSpritesWithTag("meme").length}`,
          20,
          50,
        );
        this.ctx.fillText(
          `Enemies: ${engine.findSpritesWithTag("enemy").length}`,
          20,
          70,
        );

        if (gameOver) {
          this.ctx.fillStyle = "rgba(0,0,0,0.5)";
          this.ctx.fillRect(0, 0, this.width, this.height);
          this.ctx.fillStyle = "#ff0101";
          this.ctx.font = "bold 48px system-ui";
          this.ctx.textAlign = "center";
          this.ctx.fillText("GAME OVER", this.width / 2, this.height / 2);
          this.ctx.fillStyle = "#fff";
          this.ctx.font = "normal 20px system-ui";
          this.ctx.fillText(
            "Refresh to play again",
            this.width / 2,
            this.height / 2 + 40,
          );
        } else if (won) {
          this.ctx.fillStyle = "rgba(0,0,0,0.5)";
          this.ctx.fillRect(0, 0, this.width, this.height);
          this.ctx.fillStyle = "#00ff00";
          this.ctx.font = "bold 48px system-ui";
          this.ctx.textAlign = "center";
          // Wrap text across multiple lines
          const line1 = "YOU WON!!";
          const line2 = "ALL MEMES ARE YOURS!";
          this.ctx.fillText(line1, this.width / 2, this.height / 2 - 30);
          this.ctx.fillText(line2, this.width / 2, this.height / 2 + 20);
          this.ctx.fillStyle = "#fff";
          this.ctx.font = "normal 20px system-ui";
          this.ctx.fillText(
            "Refresh to play again",
            this.width / 2,
            this.height / 2 + 60,
          );
        }
      };

      // Start the game
      engine.start();
    </script>
  </body>
</html>