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Feature/Touch support #4

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jusemon merged 2 commits from feature/touch-support into main 2025-11-26 01:31:15 -05:00
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index.html
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@ -72,6 +72,11 @@
text-align: center;
text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}
@media (max-width: 768px) {
#instructions {
font-size: 14px;
}
}
</style>
</head>
<body>
@ -87,7 +92,7 @@
</div>
<div id="instructions">
<p><strong>Controls:</strong> WASD or Arrow Keys to move | Collect yellow coins | Avoid red obstacles!</p>
<p><strong>Controls:</strong> WASD or Arrow Keys to move | Touch and drag to move (mobile) | Collect yellow coins | Avoid red obstacles!</p>
</div>
<script src="https://cdnjs.cloudflare.com/ajax/libs/three.js/r128/three.min.js"></script>
@ -319,6 +324,12 @@
this.keys = {};
this.coins = [];
this.obstacles = [];
this.touchActive = false;
this.touchStartX = 0;
this.touchStartY = 0;
this.touchCurrentX = 0;
this.touchCurrentY = 0;
this.touchId = null;
this.init();
this.setupEventListeners();
@ -427,6 +438,111 @@
});
window.addEventListener('resize', () => this.onWindowResize());
document.getElementById('restartBtn').addEventListener('click', () => this.restart());
// Touch event listeners
this.setupTouchControls();
}
setupTouchControls() {
const canvas = this.renderer.domElement;
// Prevent default touch behaviors
canvas.addEventListener('touchstart', (e) => {
e.preventDefault();
this.handleTouchStart(e);
}, { passive: false });
canvas.addEventListener('touchmove', (e) => {
e.preventDefault();
this.handleTouchMove(e);
}, { passive: false });
canvas.addEventListener('touchend', (e) => {
e.preventDefault();
this.handleTouchEnd(e);
}, { passive: false });
canvas.addEventListener('touchcancel', (e) => {
e.preventDefault();
this.handleTouchEnd(e);
}, { passive: false });
}
handleTouchStart(e) {
if (this.touchActive) return;
const touch = e.touches[0];
const rect = this.renderer.domElement.getBoundingClientRect();
// Use center of screen as reference point
this.touchStartX = rect.left + rect.width / 2;
this.touchStartY = rect.top + rect.height / 2;
this.touchId = touch.identifier;
this.touchCurrentX = touch.clientX;
this.touchCurrentY = touch.clientY;
this.touchActive = true;
}
handleTouchMove(e) {
if (!this.touchActive) return;
const touch = Array.from(e.touches).find(t => t.identifier === this.touchId);
if (!touch) return;
this.touchCurrentX = touch.clientX;
this.touchCurrentY = touch.clientY;
this.updateTouchMovement();
}
handleTouchEnd(e) {
if (!this.touchActive) return;
// Check if the touch that ended is our tracked touch
const touch = Array.from(e.changedTouches).find(t => t.identifier === this.touchId);
if (!touch) return;
this.touchActive = false;
this.touchId = null;
this.touchCurrentX = this.touchStartX;
this.touchCurrentY = this.touchStartY;
this.updateTouchMovement();
}
updateTouchMovement() {
if (!this.touchActive) {
// Reset all movement keys
this.keys['w'] = false;
this.keys['s'] = false;
this.keys['a'] = false;
this.keys['d'] = false;
return;
}
const deltaX = this.touchCurrentX - this.touchStartX;
const deltaY = this.touchCurrentY - this.touchStartY;
const distance = Math.sqrt(deltaX * deltaX + deltaY * deltaY);
// Normalize movement direction
const threshold = 10; // Minimum movement to register
if (distance < threshold) {
this.keys['w'] = false;
this.keys['s'] = false;
this.keys['a'] = false;
this.keys['d'] = false;
return;
}
// Calculate direction
const normalizedX = deltaX / distance;
const normalizedY = deltaY / distance;
// Update movement keys based on direction
this.keys['w'] = normalizedY < -0.3;
this.keys['s'] = normalizedY > 0.3;
this.keys['a'] = normalizedX < -0.3;
this.keys['d'] = normalizedX > 0.3;
}
updatePlayer() {
@ -516,6 +632,11 @@
animate() {
requestAnimationFrame(() => this.animate());
// Update touch movement if active
if (this.touchActive) {
this.updateTouchMovement();
}
this.updatePlayer();
this.updateCoins();
this.updateObstacles();