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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>City-Scale Pagani Racing Circuit</title>
<style>
html, body {
margin: 0;
padding: 0;
height: 100%;
overflow: hidden;
background: linear-gradient(135deg, #1e3c72, #2a5298);
font-family: Arial, sans-serif;
}
#canvas {
width: 100%;
height: 100%;
display: block;
touch-action: none;
}
#hud {
position: absolute;
top: 20px;
left: 20px;
background: rgba(0, 0, 0, 0.8);
color: white;
padding: 15px;
border-radius: 10px;
font-family: monospace;
min-width: 250px;
}
#speedometer {
font-size: 28px;
font-weight: bold;
color: #00ff00;
margin-bottom: 8px;
}
#trackInfo {
font-size: 16px;
color: #ffff00;
margin-bottom: 8px;
}
#lapInfo {
font-size: 14px;
color: #00ccff;
margin-bottom: 8px;
}
#sectorInfo {
font-size: 12px;
color: #ff9900;
}
#controls {
position: absolute;
bottom: 20px;
right: 20px;
background: rgba(0, 0, 0, 0.7);
color: white;
padding: 15px;
border-radius: 10px;
font-size: 14px;
max-width: 300px;
}
#mobileControls {
position: absolute;
bottom: 20px;
left: 20px;
display: grid;
grid-template-columns: repeat(3, 60px);
grid-template-rows: repeat(3, 60px);
gap: 10px;
}
.control-btn {
background: rgba(255, 255, 255, 0.2);
border: 2px solid white;
border-radius: 10px;
color: white;
font-weight: bold;
font-size: 18px;
display: flex;
align-items: center;
justify-content: center;
touch-action: manipulation;
user-select: none;
transition: all 0.1s ease;
}
.control-btn:active {
background: rgba(255, 255, 255, 0.4);
transform: scale(0.95);
}
.control-btn.empty {
opacity: 0;
pointer-events: none;
}
#minimap {
position: absolute;
top: 20px;
right: 20px;
width: 200px;
height: 200px;
background: rgba(0, 0, 0, 0.8);
border: 2px solid white;
border-radius: 10px;
}
@media (max-width: 768px) {
#controls {
font-size: 12px;
bottom: 100px;
right: 10px;
max-width: 200px;
}
#minimap {
width: 150px;
height: 150px;
}
#hud {
min-width: 200px;
}
}
</style>
</head>
<body>
<canvas id="canvas"></canvas>
<div id="hud">
<div id="speedometer">0 KM/H</div>
<div id="trackInfo">SECTOR: Downtown</div>
<div id="lapInfo">LAP: 1/3 | TIME: 0:00</div>
<div id="sectorInfo">NEXT: Industrial Zone</div>
</div>
<canvas id="minimap"></canvas>
<div id="controls">
<div><strong>City Racing Controls:</strong></div>
<div>WASD / Arrows: Drive</div>
<div>Space: Brake</div>
<div>Shift: Boost</div>
<div>R: Reset Position</div>
<br>
<div><strong>Track Sectors:</strong></div>
<div>1. Downtown Streets</div>
<div>2. Industrial Zone</div>
<div>3. Harbor Bridge</div>
<div>4. Airport Highway</div>
</div>
<div id="mobileControls">
<div class="control-btn empty"></div>
<div class="control-btn" data-action="forward">↑</div>
<div class="control-btn empty"></div>
<div class="control-btn" data-action="left">←</div>
<div class="control-btn" data-action="brake">■</div>
<div class="control-btn" data-action="right">→</div>
<div class="control-btn empty"></div>
<div class="control-btn" data-action="backward">↓</div>
<div class="control-btn" data-action="boost">★</div>
</div>
<script src="https://cdnjs.cloudflare.com/ajax/libs/three.js/r128/three.min.js"></script>
<script>
class CityScaleRacingCircuit {
constructor() {
this.scene = new THREE.Scene();
this.camera = new THREE.PerspectiveCamera(75, window.innerWidth / window.innerHeight, 0.1, 3000);
this.renderer = new THREE.WebGLRenderer({
canvas: document.getElementById('canvas'),
antialias: true
});
// City-scale dimensions
this.CITY_SIZE = 2000;
this.TRACK_WIDTH = 25;
this.BUILDING_HEIGHT = 50;
this.SECTOR_LENGTH = 500;
// Car physics
this.car = null;
this.carPosition = new THREE.Vector3(0, 2, 0);
this.carRotation = 0;
this.carSpeed = 0;
this.maxSpeed = 250;
this.acceleration = 1.2;
this.turnSpeed = 0.025;
this.gear = 1;
this.rpm = 800;
this.wheelRotation = 0;
// Track system
this.trackSectors = [];
this.currentSector = 0;
this.lapCount = 1;
this.lapTime = 0;
this.checkpoints = [];
this.lastCheckpoint = -1;
// Building information for collision detection
this.buildings = [];
// Controls
this.keys = {};
this.touchActive = {};
// Minimap
this.minimapRenderer = null;
this.minimapCamera = null;
this.minimapScene = null;
this.init();
this.createDetailedPaganiZonda();
this.createCityScaleTrack();
this.createCityEnvironment();
this.setupLighting();
this.setupMinimap();
this.setupControls();
this.animate();
}
init() {
this.renderer.setSize(window.innerWidth, window.innerHeight);
this.renderer.setClearColor(0x87CEEB);
this.renderer.shadowMap.enabled = true;
this.renderer.shadowMap.type = THREE.PCFSoftShadowMap;
// Position camera for city-scale racing
this.camera.position.set(0, 15, 30);
this.camera.lookAt(0, 0, 0);
// Fog for city atmosphere
this.scene.fog = new THREE.Fog(0x87CEEB, 100, 1500);
}
createDetailedPaganiZonda() {
const carGroup = new THREE.Group();
// Main chassis
const chassisGeometry = new THREE.BoxGeometry(4, 1, 7);
const chassisMaterial = new THREE.MeshPhongMaterial({
color: 0x1a1a2e,
shininess: 100
});
const chassis = new THREE.Mesh(chassisGeometry, chassisMaterial);
chassis.position.y = 1;
chassis.castShadow = true;
carGroup.add(chassis);
// Hood with air vents
const hoodGeometry = new THREE.BoxGeometry(3.5, 0.6, 2.5);
const hood = new THREE.Mesh(hoodGeometry, chassisMaterial);
hood.position.set(0, 1.6, 2.2);
hood.castShadow = true;
carGroup.add(hood);
// Cockpit
const cabinGeometry = new THREE.BoxGeometry(3, 1.5, 3.5);
const cabinMaterial = new THREE.MeshPhongMaterial({
color: 0x111111,
transparent: true,
opacity: 0.8
});
const cabin = new THREE.Mesh(cabinGeometry, cabinMaterial);
cabin.position.set(0, 2.2, 0);
carGroup.add(cabin);
// Windshield
const windshieldGeometry = new THREE.PlaneGeometry(3.2, 1.8);
const windshieldMaterial = new THREE.MeshPhongMaterial({
color: 0x87CEEB,
transparent: true,
opacity: 0.2,
side: THREE.DoubleSide
});
const windshield = new THREE.Mesh(windshieldGeometry, windshieldMaterial);
windshield.position.set(0, 2.8, 1.5);
windshield.rotation.x = -0.3;
carGroup.add(windshield);
// Dashboard
const dashGeometry = new THREE.BoxGeometry(2.8, 0.4, 1.2);
const dashMaterial = new THREE.MeshPhongMaterial({ color: 0x333333 });
const dashboard = new THREE.Mesh(dashGeometry, dashMaterial);
dashboard.position.set(0, 1.8, 1.5);
carGroup.add(dashboard);
// Six headlights (3 per side) - Pagani signature
const headlightGeometry = new THREE.CylinderGeometry(0.25, 0.25, 0.3, 12);
const headlightMaterial = new THREE.MeshPhongMaterial({
color: 0xffffff,
emissive: 0x444444
});
// Left headlight cluster
for (let i = 0; i < 3; i++) {
const headlight = new THREE.Mesh(headlightGeometry, headlightMaterial);
headlight.position.set(-1.0 + (i * 0.35), 1.2, 3.3);
headlight.rotation.z = Math.PI / 2;
carGroup.add(headlight);
}
// Right headlight cluster
for (let i = 0; i < 3; i++) {
const headlight = new THREE.Mesh(headlightGeometry, headlightMaterial);
headlight.position.set(1.0 - (i * 0.35), 1.2, 3.3);
headlight.rotation.z = Math.PI / 2;
carGroup.add(headlight);
}
// Signature blue-black wing
const wingGeometry = new THREE.BoxGeometry(4.5, 0.3, 1.2);
const wingMaterial = new THREE.MeshPhongMaterial({
color: 0x000080,
shininess: 150
});
const wing = new THREE.Mesh(wingGeometry, wingMaterial);
wing.position.set(0, 2.8, -3);
carGroup.add(wing);
// Wing support struts
const strutGeometry = new THREE.CylinderGeometry(0.08, 0.08, 1.2, 8);
const leftStrut = new THREE.Mesh(strutGeometry, wingMaterial);
leftStrut.position.set(-1.5, 2.2, -3);
carGroup.add(leftStrut);
const rightStrut = new THREE.Mesh(strutGeometry, wingMaterial);
rightStrut.position.set(1.5, 2.2, -3);
carGroup.add(rightStrut);
// Brake air intake scoops
const scoopGeometry = new THREE.BoxGeometry(0.6, 0.5, 1.2);
const scoopMaterial = new THREE.MeshPhongMaterial({ color: 0x444444 });
const leftScoop = new THREE.Mesh(scoopGeometry, scoopMaterial);
leftScoop.position.set(-1.8, 1.2, 0);
carGroup.add(leftScoop);
const rightScoop = new THREE.Mesh(scoopGeometry, scoopMaterial);
rightScoop.position.set(1.8, 1.2, 0);
carGroup.add(rightScoop);
// High-performance wheels
const wheelGeometry = new THREE.CylinderGeometry(0.8, 0.8, 0.5, 16);
const wheelMaterial = new THREE.MeshPhongMaterial({ color: 0x222222 });
const rimGeometry = new THREE.CylinderGeometry(0.65, 0.65, 0.55, 16);
const rimMaterial = new THREE.MeshPhongMaterial({ color: 0x666666 });
this.wheels = [];
const wheelPositions = [
[-1.8, 0.8, 2.2], // Front left
[1.8, 0.8, 2.2], // Front right
[-1.8, 0.8, -2.2], // Rear left
[1.8, 0.8, -2.2] // Rear right
];
wheelPositions.forEach((pos, index) => {
const wheelGroup = new THREE.Group();
const wheel = new THREE.Mesh(wheelGeometry, wheelMaterial);
const rim = new THREE.Mesh(rimGeometry, rimMaterial);
wheel.rotation.z = Math.PI / 2;
rim.rotation.z = Math.PI / 2;
wheelGroup.add(wheel);
wheelGroup.add(rim);
wheelGroup.position.set(pos[0], pos[1], pos[2]);
wheelGroup.castShadow = true;
this.wheels.push(wheelGroup);
carGroup.add(wheelGroup);
});
this.car = carGroup;
this.scene.add(carGroup);
}
createCityScaleTrack() {
// Create a massive city circuit with multiple sectors
const trackMaterial = new THREE.MeshLambertMaterial({ color: 0x333333 });
const trackMarkingMaterial = new THREE.MeshLambertMaterial({ color: 0xffff00 });
const barrierMaterial = new THREE.MeshLambertMaterial({ color: 0xff0000 });
// Define track sectors with different characteristics
const sectors = [
{
name: "Downtown Streets",
start: { x: 0, z: 0 },
path: [
{ x: 0, z: 0 },
{ x: 0, z: 400 },
{ x: 200, z: 600 },
{ x: 400, z: 600 }
],
width: this.TRACK_WIDTH,
type: "street"
},
{
name: "Industrial Zone",
start: { x: 400, z: 600 },
path: [
{ x: 400, z: 600 },
{ x: 800, z: 800 },
{ x: 1200, z: 600 },
{ x: 1400, z: 400 }
],
width: this.TRACK_WIDTH * 1.2,
type: "industrial"
},
{
name: "Harbor Bridge",
start: { x: 1400, z: 400 },
path: [
{ x: 1400, z: 400 },
{ x: 1600, z: 200 },
{ x: 1600, z: -200 },
{ x: 1400, z: -400 }
],
width: this.TRACK_WIDTH * 0.8,
type: "bridge"
},
{
name: "Airport Highway",
start: { x: 1400, z: -400 },
path: [
{ x: 1400, z: -400 },
{ x: 1000, z: -600 },
{ x: 400, z: -600 },
{ x: 0, z: -400 },
{ x: 0, z: 0 }
],
width: this.TRACK_WIDTH * 1.5,
type: "highway"
}
];
this.trackSectors = sectors;
this.checkpoints = [];
// Create track segments for each sector
sectors.forEach((sector, sectorIndex) => {
for (let i = 0; i < sector.path.length - 1; i++) {
const start = sector.path[i];
const end = sector.path[i + 1];
// Calculate segment properties
const distance = Math.sqrt(
Math.pow(end.x - start.x, 2) + Math.pow(end.z - start.z, 2)
);
const angle = Math.atan2(end.x - start.x, end.z - start.z);
const midX = (start.x + end.x) / 2;
const midZ = (start.z + end.z) / 2;
// Create track surface
const trackGeometry = new THREE.PlaneGeometry(sector.width, distance);
const trackSegment = new THREE.Mesh(trackGeometry, trackMaterial);
trackSegment.rotation.x = -Math.PI / 2;
trackSegment.rotation.y = angle;
trackSegment.position.set(midX, this.getTrackElevation(midX, midZ, sector.type), midZ);
trackSegment.receiveShadow = true;
this.scene.add(trackSegment);
// Create center line markings
const markingGeometry = new THREE.PlaneGeometry(0.5, distance);
const marking = new THREE.Mesh(markingGeometry, trackMarkingMaterial);
marking.rotation.x = -Math.PI / 2;
marking.rotation.y = angle;
marking.position.set(midX, this.getTrackElevation(midX, midZ, sector.type) + 0.01, midZ);
this.scene.add(marking);
// Create barriers
this.createTrackBarriers(start, end, sector.width, sector.type, barrierMaterial);
// Add checkpoints
if (i % 2 === 0) {
this.checkpoints.push({
position: new THREE.Vector3(midX, this.getTrackElevation(midX, midZ, sector.type) + 2, midZ),
sector: sectorIndex,
index: this.checkpoints.length
});
}
}
});
// Create start/finish line
this.createStartFinishLine();
}
getTrackElevation(x, z, type) {
switch (type) {
case "bridge":
return 15; // Elevated bridge
case "highway":
return 5; // Slightly elevated highway
case "industrial":
return 2; // Slightly raised industrial area
default:
return 0; // Street level
}
}
createTrackBarriers(start, end, width, type, material) {
const distance = Math.sqrt(
Math.pow(end.x - start.x, 2) + Math.pow(end.z - start.z, 2)
);
const angle = Math.atan2(end.x - start.x, end.z - start.z);
const midX = (start.x + end.x) / 2;
const midZ = (start.z + end.z) / 2;
const elevation = this.getTrackElevation(midX, midZ, type);
// Barrier height varies by track type
let barrierHeight = 3;
if (type === "bridge") barrierHeight = 6;
if (type === "highway") barrierHeight = 4;
const barrierGeometry = new THREE.BoxGeometry(2, barrierHeight, distance);
// Left barrier
const leftBarrier = new THREE.Mesh(barrierGeometry, material);
leftBarrier.position.set(
midX + Math.cos(angle) * (width / 2 + 1),
elevation + barrierHeight / 2,
midZ - Math.sin(angle) * (width / 2 + 1)
);
leftBarrier.rotation.y = angle;
leftBarrier.castShadow = true;
this.scene.add(leftBarrier);
// Right barrier
const rightBarrier = new THREE.Mesh(barrierGeometry, material);
rightBarrier.position.set(
midX - Math.cos(angle) * (width / 2 + 1),
elevation + barrierHeight / 2,
midZ + Math.sin(angle) * (width / 2 + 1)
);
rightBarrier.rotation.y = angle;
rightBarrier.castShadow = true;
this.scene.add(rightBarrier);
}
createStartFinishLine() {
// Start/finish line with checkered pattern
const lineGeometry = new THREE.PlaneGeometry(this.TRACK_WIDTH, 4);
const lineMaterial = new THREE.MeshLambertMaterial({
color: 0x000000,
transparent: true,
opacity: 0.8
});
const startLine = new THREE.Mesh(lineGeometry, lineMaterial);
startLine.rotation.x = -Math.PI / 2;
startLine.position.set(0, 0.02, 0);
this.scene.add(startLine);
// Checkered pattern
for (let i = 0; i < 8; i++) {
for (let j = 0; j < 2; j++) {
if ((i + j) % 2 === 0) {
const checkerGeometry = new THREE.PlaneGeometry(this.TRACK_WIDTH / 8, 2);
const checkerMaterial = new THREE.MeshLambertMaterial({ color: 0xffffff });
const checker = new THREE.Mesh(checkerGeometry, checkerMaterial);
checker.rotation.x = -Math.PI / 2;
checker.position.set(
-this.TRACK_WIDTH / 2 + (i + 0.5) * this.TRACK_WIDTH / 8,
0.03,
-2 + j * 4
);
this.scene.add(checker);
}
}
}
}
createCityEnvironment() {
// Create buildings around the track
this.createBuildings();
// Create ground plane
const groundGeometry = new THREE.PlaneGeometry(this.CITY_SIZE * 2, this.CITY_SIZE * 2);
const groundMaterial = new THREE.MeshLambertMaterial({ color: 0x228B22 });
const ground = new THREE.Mesh(groundGeometry, groundMaterial);
ground.rotation.x = -Math.PI / 2;
ground.position.y = -1;
ground.receiveShadow = true;
this.scene.add(ground);
// Add some city landmarks
this.createCityLandmarks();
}
createBuildings() {
const buildingMaterial = new THREE.MeshLambertMaterial({ color: 0x666666 });
const windowMaterial = new THREE.MeshLambertMaterial({ color: 0xffff99 });
const columnMaterial = new THREE.MeshLambertMaterial({ color: 0x444444 });
// Create buildings on stilts in a grid pattern around the track
for (let x = -this.CITY_SIZE; x < this.CITY_SIZE; x += 120) {
for (let z = -this.CITY_SIZE; z < this.CITY_SIZE; z += 120) {
// Skip areas where the track is
if (this.isTrackArea(x, z)) continue;
// Use deterministic pseudo-random values based on position
const seed = (x * 1000 + z) * 0.001;
const buildingHeight = 25 + (Math.sin(seed) * 0.5 + 0.5) * this.BUILDING_HEIGHT;
const buildingWidth = 35 + (Math.sin(seed * 1.7) * 0.5 + 0.5) * 45;
const buildingDepth = 35 + (Math.sin(seed * 2.3) * 0.5 + 0.5) * 45;
const supportHeight = 15 + (Math.sin(seed * 3.1) * 0.5 + 0.5) * 10;
const columnRadius = 2 + (Math.sin(seed * 4.7) * 0.5 + 0.5) * 1.5;
const buildingX = x + (Math.sin(seed * 5.3) * 0.5) * 60;
const buildingZ = z + (Math.sin(seed * 6.1) * 0.5) * 60;
// Store building info for collision detection
this.buildings.push({
x: buildingX,
z: buildingZ,
width: buildingWidth,
depth: buildingDepth,
supportHeight: supportHeight,
totalHeight: supportHeight + buildingHeight
});
// Main building structure (elevated)
const buildingGeometry = new THREE.BoxGeometry(buildingWidth, buildingHeight, buildingDepth);
const building = new THREE.Mesh(buildingGeometry, buildingMaterial);
building.position.set(
buildingX,
supportHeight + buildingHeight / 2,
buildingZ
);
building.castShadow = true;
this.scene.add(building);
// Create four cylindrical support columns at corners
const columnGeometry = new THREE.CylinderGeometry(columnRadius, columnRadius * 1.2, supportHeight, 12);
// Corner positions for columns
const cornerOffsets = [
[-buildingWidth/2 + columnRadius, -buildingDepth/2 + columnRadius],
[buildingWidth/2 - columnRadius, -buildingDepth/2 + columnRadius],
[-buildingWidth/2 + columnRadius, buildingDepth/2 - columnRadius],
[buildingWidth/2 - columnRadius, buildingDepth/2 - columnRadius]
];
cornerOffsets.forEach(offset => {
const column = new THREE.Mesh(columnGeometry, columnMaterial);
column.position.set(
buildingX + offset[0],
supportHeight / 2,
buildingZ + offset[1]
);
column.castShadow = true;
this.scene.add(column);
// Add smooth column caps at top and bottom
const capGeometry = new THREE.SphereGeometry(columnRadius * 1.1, 8, 6);
// Top cap
const topCap = new THREE.Mesh(capGeometry, columnMaterial);
topCap.position.set(
buildingX + offset[0],
supportHeight - columnRadius * 0.3,
buildingZ + offset[1]
);
topCap.scale.y = 0.5; // Flatten the sphere
this.scene.add(topCap);
// Bottom cap
const bottomCap = new THREE.Mesh(capGeometry, columnMaterial);
bottomCap.position.set(
buildingX + offset[0],
columnRadius * 0.3,
buildingZ + offset[1]
);
bottomCap.scale.y = 0.5; // Flatten the sphere
this.scene.add(bottomCap);
});
// Add cross-bracing between columns for structural realism
const braceGeometry = new THREE.CylinderGeometry(columnRadius * 0.3, columnRadius * 0.3, buildingWidth * 0.8, 8);
// Horizontal braces
const braceY = supportHeight * 0.6;
// Front and back horizontal braces
for (let side = 0; side < 2; side++) {
const braceZ = buildingZ + (side === 0 ? -buildingDepth/2 + columnRadius : buildingDepth/2 - columnRadius);
const horizontalBrace = new THREE.Mesh(braceGeometry, columnMaterial);
horizontalBrace.position.set(buildingX, braceY, braceZ);
horizontalBrace.rotation.z = Math.PI / 2;
this.scene.add(horizontalBrace);
}
// Side horizontal braces
const sideBraceGeometry = new THREE.CylinderGeometry(columnRadius * 0.3, columnRadius * 0.3, buildingDepth * 0.8, 8);
for (let side = 0; side < 2; side++) {
const braceX = buildingX + (side === 0 ? -buildingWidth/2 + columnRadius : buildingWidth/2 - columnRadius);
const sideBrace = new THREE.Mesh(sideBraceGeometry, columnMaterial);
sideBrace.position.set(braceX, braceY, buildingZ);
sideBrace.rotation.x = Math.PI / 2;
this.scene.add(sideBrace);
}
// Add windows to the elevated building
const windowsX = Math.floor(buildingWidth / 10);
const windowsZ = Math.floor(buildingDepth / 10);
const windowsY = Math.floor(buildingHeight / 8);
// Windows on all four sides
for (let wx = 0; wx < windowsX; wx++) {
for (let wy = 0; wy < windowsY; wy++) {
if ((Math.sin(seed * 7.1 + wx * 0.5 + wy * 0.3) * 0.5 + 0.5) > 0.4) { // Deterministic "random" windows
const windowGeometry = new THREE.PlaneGeometry(4, 4);
const window = new THREE.Mesh(windowGeometry, windowMaterial);
// Front face windows
window.position.set(
buildingX + (wx - windowsX/2) * 10,
supportHeight + (wy + 1) * 8,
buildingZ + buildingDepth/2 + 0.1
);
this.scene.add(window);
// Back face windows
if ((Math.sin(seed * 8.3 + wx * 0.7 + wy * 0.4) * 0.5 + 0.5) > 0.5) {
const backWindow = window.clone();
backWindow.position.z = buildingZ - buildingDepth/2 - 0.1;
backWindow.rotation.y = Math.PI;
this.scene.add(backWindow);
}
}
}
}
// Side windows
for (let wz = 0; wz < windowsZ; wz++) {
for (let wy = 0; wy < windowsY; wy++) {
if ((Math.sin(seed * 9.7 + wz * 0.6 + wy * 0.5) * 0.5 + 0.5) > 0.4) {
const windowGeometry = new THREE.PlaneGeometry(4, 4);
const sideWindow = new THREE.Mesh(windowGeometry, windowMaterial);
// Left side windows
sideWindow.position.set(
buildingX - buildingWidth/2 - 0.1,
supportHeight + (wy + 1) * 8,
buildingZ + (wz - windowsZ/2) * 10
);
sideWindow.rotation.y = Math.PI / 2;
this.scene.add(sideWindow);
// Right side windows
if ((Math.sin(seed * 10.1 + wz * 0.8 + wy * 0.6) * 0.5 + 0.5) > 0.5) {
const rightWindow = sideWindow.clone();
rightWindow.position.x = buildingX + buildingWidth/2 + 0.1;
rightWindow.rotation.y = -Math.PI / 2;
this.scene.add(rightWindow);
}
}
}
}
// Add emissive material for underglow effect instead of point lights
const underglowGeometry = new THREE.PlaneGeometry(buildingWidth * 0.8, buildingDepth * 0.8);
const underglowMaterial = new THREE.MeshBasicMaterial({
color: 0x00aaff,
transparent: true,
opacity: 0.3,
side: THREE.DoubleSide
});
const underglow = new THREE.Mesh(underglowGeometry, underglowMaterial);
underglow.rotation.x = -Math.PI / 2;
underglow.position.set(buildingX, supportHeight * 0.1, buildingZ);
this.scene.add(underglow);
}
}
}
isTrackArea(x, z) {
// Simple check if position is near track
for (let sector of this.trackSectors) {
for (let point of sector.path) {
const distance = Math.sqrt(Math.pow(x - point.x, 2) + Math.pow(z - point.z, 2));
if (distance < 100) return true;
}
}
return false;
}
createCityLandmarks() {
// Airport terminal
const terminalGeometry = new THREE.BoxGeometry(200, 30, 100);
const terminalMaterial = new THREE.MeshLambertMaterial({ color: 0xcccccc });
const terminal = new THREE.Mesh(terminalGeometry, terminalMaterial);
terminal.position.set(800, 15, -800);
terminal.castShadow = true;
this.scene.add(terminal);
// Harbor cranes
for (let i = 0; i < 5; i++) {
const craneGeometry = new THREE.BoxGeometry(5, 80, 5);
const craneMaterial = new THREE.MeshLambertMaterial({ color: 0xff6600 });
const crane = new THREE.Mesh(craneGeometry, craneMaterial);
crane.position.set(1500 + i * 30, 40, 200 + i * 20);
crane.castShadow = true;
this.scene.add(crane);
}
// Industrial smokestacks
for (let i = 0; i < 3; i++) {
const stackGeometry = new THREE.CylinderGeometry(8, 10, 120, 8);
const stackMaterial = new THREE.MeshLambertMaterial({ color: 0x444444 });
const stack = new THREE.Mesh(stackGeometry, stackMaterial);
stack.position.set(600 + i * 50, 60, 700 + i * 30);
stack.castShadow = true;
this.scene.add(stack);
}
}
setupLighting() {
// Ambient light for city atmosphere
const ambientLight = new THREE.AmbientLight(0x404040, 0.6); // Increased ambient
this.scene.add(ambientLight);
// Sun (directional light) - main light source
const sun = new THREE.DirectionalLight(0xffffff, 0.8);
sun.position.set(1000, 800, 500);
sun.castShadow = true;
sun.shadow.camera.left = -800;
sun.shadow.camera.right = 800;
sun.shadow.camera.top = 800;
sun.shadow.camera.bottom = -800;
sun.shadow.camera.near = 0.1;
sun.shadow.camera.far = 2000;
sun.shadow.mapSize.width = 2048;
sun.shadow.mapSize.height = 2048;
this.scene.add(sun);
// Reduced car headlights - only one instead of two
this.carHeadlight = new THREE.SpotLight(0xffffff, 1.2, 100, Math.PI / 5, 0.3, 1.5);
this.carHeadlight.castShadow = true;
this.carHeadlight.shadow.mapSize.width = 512;
this.carHeadlight.shadow.mapSize.height = 512;
this.scene.add(this.carHeadlight);
// Create optimized street lights with fewer point lights
this.createStreetLights();
}
createStreetLights() {
// Create fewer street lights to avoid shader uniform limits
let lightCount = 0;
const maxLights = 8; // Limit number of point lights
this.trackSectors.forEach(sector => {
for (let i = 0; i < sector.path.length - 1; i += 4) { // Reduce frequency
if (lightCount >= maxLights) break;
const point = sector.path[i];
const streetLight = new THREE.PointLight(0xffaa00, 0.8, 80);
streetLight.position.set(point.x, this.getTrackElevation(point.x, point.z, sector.type) + 12, point.z);
this.scene.add(streetLight);
lightCount++;
// Light pole with emissive material instead of additional lights
const poleGeometry = new THREE.CylinderGeometry(0.3, 0.3, 12, 8);
const poleMaterial = new THREE.MeshBasicMaterial({
color: 0x333333
});
const pole = new THREE.Mesh(poleGeometry, poleMaterial);
pole.position.set(point.x, this.getTrackElevation(point.x, point.z, sector.type) + 6, point.z);
this.scene.add(pole);
// Add emissive lamp at top
const lampGeometry = new THREE.SphereGeometry(0.8, 8, 6);
const lampMaterial = new THREE.MeshBasicMaterial({
color: 0xffaa00,
transparent: true,
opacity: 0.8
});
const lamp = new THREE.Mesh(lampGeometry, lampMaterial);
lamp.position.set(point.x, this.getTrackElevation(point.x, point.z, sector.type) + 12, point.z);
this.scene.add(lamp);
}
});
}
setupMinimap() {
const minimapCanvas = document.getElementById('minimap');
this.minimapRenderer = new THREE.WebGLRenderer({ canvas: minimapCanvas });
this.minimapRenderer.setSize(200, 200);
this.minimapRenderer.setClearColor(0x001122);
this.minimapScene = new THREE.Scene();
this.minimapCamera = new THREE.OrthographicCamera(-800, 800, 800, -800, 1, 2000);
this.minimapCamera.position.set(700, 1000, 0);
this.minimapCamera.lookAt(700, 0, 0);
// Add simplified track to minimap
const minimapTrackMaterial = new THREE.MeshBasicMaterial({ color: 0xffffff });
this.trackSectors.forEach(sector => {
for (let i = 0; i < sector.path.length - 1; i++) {
const start = sector.path[i];
const end = sector.path[i + 1];
const distance = Math.sqrt(Math.pow(end.x - start.x, 2) + Math.pow(end.z - start.z, 2));
const angle = Math.atan2(end.x - start.x, end.z - start.z);
const midX = (start.x + end.x) / 2;
const midZ = (start.z + end.z) / 2;
const trackGeometry = new THREE.PlaneGeometry(8, distance);
const trackSegment = new THREE.Mesh(trackGeometry, minimapTrackMaterial);
trackSegment.rotation.x = -Math.PI / 2;
trackSegment.rotation.y = angle;
trackSegment.position.set(midX, 1, midZ);
this.minimapScene.add(trackSegment);
}
});
// Car dot for minimap
const carDotGeometry = new THREE.SphereGeometry(5, 8, 8);
const carDotMaterial = new THREE.MeshBasicMaterial({ color: 0xff0000 });
this.minimapCarDot = new THREE.Mesh(carDotGeometry, carDotMaterial);
this.minimapScene.add(this.minimapCarDot);
}
setupControls() {
document.addEventListener('keydown', (event) => {
this.keys[event.key.toLowerCase()] = true;
if (event.key.toLowerCase() === 'r') {
this.resetCar();
}
});
document.addEventListener('keyup', (event) => {
this.keys[event.key.toLowerCase()] = false;
});
const canvas = document.getElementById('canvas');
canvas.addEventListener('touchstart', (event) => {
event.preventDefault();
this.handleTouch(event, true);
});
canvas.addEventListener('touchend', (event) => {
event.preventDefault();
this.handleTouch(event, false);
});
document.querySelectorAll('.control-btn').forEach(btn => {
const action = btn.dataset.action;
if (action) {
btn.addEventListener('touchstart', (e) => {
e.preventDefault();
this.touchActive[action] = true;
});
btn.addEventListener('touchend', (e) => {
e.preventDefault();
this.touchActive[action] = false;
});
btn.addEventListener('mousedown', (e) => {
e.preventDefault();
this.touchActive[action] = true;
});
btn.addEventListener('mouseup', (e) => {
e.preventDefault();
this.touchActive[action] = false;
});
}
});
window.addEventListener('resize', () => {
this.camera.aspect = window.innerWidth / window.innerHeight;
this.camera.updateProjectionMatrix();
this.renderer.setSize(window.innerWidth, window.innerHeight);
});
}
handleTouch(event, isStart) {
const rect = event.target.getBoundingClientRect();
const touch = event.touches[0] || event.changedTouches[0];
if (!touch) return;
const x = touch.clientX - rect.left;
const y = touch.clientY - rect.top;
const width = rect.width;
const height = rect.height;
const topArea = y < height * 0.3;
const bottomArea = y > height * 0.7;
const leftArea = x < width * 0.3;
const rightArea = x > width * 0.7;
if (topArea) this.touchActive.forward = isStart;
if (bottomArea) this.touchActive.backward = isStart;
if (leftArea) this.touchActive.left = isStart;
if (rightArea) this.touchActive.right = isStart;
}
updateCarPhysics() {
const forward = this.keys['w'] || this.keys['arrowup'] || this.touchActive.forward;
const backward = this.keys['s'] || this.keys['arrowdown'] || this.touchActive.backward;
const left = this.keys['a'] || this.keys['arrowleft'] || this.touchActive.left;
const right = this.keys['d'] || this.keys['arrowright'] || this.touchActive.right;
const brake = this.keys[' '] || this.touchActive.brake;
const boost = this.keys['shift'] || this.touchActive.boost;
// Advanced gear system
const speedKmh = Math.abs(this.carSpeed * 4);
if (speedKmh < 30) this.gear = 1;
else if (speedKmh < 70) this.gear = 2;
else if (speedKmh < 110) this.gear = 3;
else if (speedKmh < 150) this.gear = 4;
else if (speedKmh < 190) this.gear = 5;
else this.gear = 6;
this.rpm = 800 + (speedKmh * 35);
// Speed control with boost
if (forward) {
this.carSpeed = Math.min(this.carSpeed + this.acceleration, this.maxSpeed * (boost ? 1.3 : 1));
} else if (backward) {
this.carSpeed = Math.max(this.carSpeed - this.acceleration, -this.maxSpeed * 0.4);
} else {
if (this.carSpeed > 0) {
this.carSpeed = Math.max(0, this.carSpeed - 0.8);
} else {
this.carSpeed = Math.min(0, this.carSpeed + 0.8);
}
}
if (brake) {
this.carSpeed *= 0.92;
}
// Turning with inverse speed-dependent responsiveness (sharper turns at low speed)
if (Math.abs(this.carSpeed) > 0.5) {
// Calculate turn multiplier - higher at low speeds, lower at high speeds
const speedRatio = Math.abs(this.carSpeed) / this.maxSpeed;
const turnMultiplier = Math.max(0.3, 2.5 - (speedRatio * 2.2)); // Sharp at low speed, gentle at high speed
if (left) {
this.carRotation += this.turnSpeed * turnMultiplier;
}
if (right) {
this.carRotation -= this.turnSpeed * turnMultiplier;
}
}
// Update position
this.carPosition.x += Math.sin(this.carRotation) * this.carSpeed * 0.1;
this.carPosition.z += Math.cos(this.carRotation) * this.carSpeed * 0.1;
// Set car height based on track type
this.carPosition.y = this.getCurrentTrackElevation() + 2;
// Update car visual
if (this.car) {
this.car.position.copy(this.carPosition);
this.car.rotation.y = this.carRotation;
// Animate wheels
this.wheelRotation += this.carSpeed * 0.02;
this.wheels.forEach((wheel, index) => {
wheel.children[0].rotation.x = this.wheelRotation;
wheel.children[1].rotation.x = this.wheelRotation;
// Front wheel steering
if (index < 2) {
let steeringAngle = 0;
if (left) steeringAngle = 0.4;
if (right) steeringAngle = -0.4;
wheel.rotation.y = steeringAngle;
}
});
// Car tilting for realism
let tiltAngle = 0;
if (left) tiltAngle = -0.08;
if (right) tiltAngle = 0.08;
this.car.rotation.z = tiltAngle;
}
this.updateCarLights();
this.checkLapProgress();
this.updateHUD();
}
getCurrentTrackElevation() {
// Find current sector based on position
for (let sector of this.trackSectors) {
for (let i = 0; i < sector.path.length - 1; i++) {
const start = sector.path[i];
const end = sector.path[i + 1];
// Simple distance check to track
const distToStart = Math.sqrt(
Math.pow(this.carPosition.x - start.x, 2) +
Math.pow(this.carPosition.z - start.z, 2)
);
if (distToStart < 50) {
return this.getTrackElevation(start.x, start.z, sector.type);
}
}
}
return 0;
}
updateCarLights() {
if (this.carHeadlight && this.car) {
// Single optimized headlight
this.carHeadlight.position.copy(this.carPosition);
this.carHeadlight.position.y += 1.5;
this.carHeadlight.position.x += Math.sin(this.carRotation) * 2;
this.carHeadlight.position.z += Math.cos(this.carRotation) * 2;
const target = this.carPosition.clone();
target.x += Math.sin(this.carRotation) * 40;
target.z += Math.cos(this.carRotation) * 40;
this.carHeadlight.target.position.copy(target);
this.carHeadlight.target.updateMatrixWorld();
}
}
checkLapProgress() {
// Check checkpoints
this.checkpoints.forEach((checkpoint, index) => {
const distance = this.carPosition.distanceTo(checkpoint.position);
if (distance < 25 && index === (this.lastCheckpoint + 1) % this.checkpoints.length) {
this.lastCheckpoint = index;
this.currentSector = checkpoint.sector;
if (index === 0) { // Completed a lap
this.lapCount++;
this.lapTime = 0;
}
}
});
}
updateHUD() {
const speedKmh = Math.round(Math.abs(this.carSpeed * 4));
document.getElementById('speedometer').textContent = `${speedKmh} KM/H`;
const sectorNames = ["Downtown", "Industrial", "Harbor", "Highway"];
const nextSector = (this.currentSector + 1) % sectorNames.length;
// Check if car is under building and update sector info
const underBuilding = this.isCarUnderBuilding();
const sectorText = underBuilding ?
`SECTOR: ${sectorNames[this.currentSector]} (Under Building)` :
`SECTOR: ${sectorNames[this.currentSector]}`;
document.getElementById('trackInfo').textContent = sectorText;
document.getElementById('sectorInfo').textContent = `NEXT: ${sectorNames[nextSector]}`;
this.lapTime += 1/60;
const minutes = Math.floor(this.lapTime / 60);
const seconds = Math.floor(this.lapTime % 60);
document.getElementById('lapInfo').textContent =
`LAP: ${this.lapCount}/3 | TIME: ${minutes}:${seconds.toString().padStart(2, '0')}`;
}
updateCamera() {
if (this.car) {
const speedFactor = Math.min(Math.abs(this.carSpeed) / this.maxSpeed, 1);
const cameraDistance = 25 + speedFactor * 20;
let cameraHeight = 12 + speedFactor * 8;
// Check if car is under a building and adjust camera accordingly
const isUnderBuilding = this.isCarUnderBuilding();
if (isUnderBuilding) {
cameraHeight = Math.min(cameraHeight, 8); // Lower camera when under buildings
}
const targetPosition = this.carPosition.clone();
targetPosition.y += cameraHeight;
targetPosition.x -= Math.sin(this.carRotation) * cameraDistance;
targetPosition.z -= Math.cos(this.carRotation) * cameraDistance;
// Smooth camera interpolation
this.camera.position.lerp(targetPosition, 0.08);
const lookTarget = this.carPosition.clone();
lookTarget.x += Math.sin(this.carRotation) * 10;
lookTarget.z += Math.cos(this.carRotation) * 10;
lookTarget.y += 2;
this.camera.lookAt(lookTarget);
// Add slight camera shake for high speeds when not under buildings
if (speedFactor > 0.7 && !isUnderBuilding) {
const shake = (speedFactor - 0.7) * 0.8;
this.camera.position.x += (Math.random() - 0.5) * shake;
this.camera.position.y += (Math.random() - 0.5) * shake * 0.5;
this.camera.position.z += (Math.random() - 0.5) * shake;
}
}
}
isCarUnderBuilding() {
// Check if car is positioned under any elevated building using stored building data
const carX = this.carPosition.x;
const carZ = this.carPosition.z;
const carY = this.carPosition.y;
for (let building of this.buildings) {
// Check if car is within building footprint and below the elevated structure
if (carX > building.x - building.width/2 && carX < building.x + building.width/2 &&
carZ > building.z - building.depth/2 && carZ < building.z + building.depth/2 &&
carY < building.supportHeight + 5) {
return true;
}
}
return false;
}
updateMinimap() {
if (this.minimapCarDot) {
this.minimapCarDot.position.copy(this.carPosition);
this.minimapCarDot.position.y = 5;
}
this.minimapRenderer.render(this.minimapScene, this.minimapCamera);
}
resetCar() {
this.carPosition.set(0, 2, 0);
this.carRotation = 0;
this.carSpeed = 0;
this.gear = 1;
this.rpm = 800;
this.currentSector = 0;
this.lastCheckpoint = -1;
}
animate() {
requestAnimationFrame(() => this.animate());
this.updateCarPhysics();
this.updateCamera();
this.updateMinimap();
this.renderer.render(this.scene, this.camera);
}
}
// Initialize the city-scale racing game
new CityScaleRacingCircuit();
</script>
</body>
</html> |