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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>Advanced Forest Simulation</title>
<style>
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
overflow: hidden;
background: #0a0a0a;
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
#canvas {
display: block;
cursor: crosshair;
}
#ui {
position: fixed;
top: 20px;
left: 20px;
color: #fff;
background: rgba(0,0,0,0.7);
padding: 15px 20px;
border-radius: 12px;
font-size: 14px;
z-index: 100;
backdrop-filter: blur(10px);
border: 1px solid rgba(255,255,255,0.1);
max-width: 280px;
}
#ui h2 {
margin-bottom: 10px;
font-size: 18px;
color: #7fdb8a;
}
#ui p {
margin: 5px 0;
opacity: 0.9;
}
#controls {
position: fixed;
bottom: 20px;
left: 20px;
color: #fff;
background: rgba(0,0,0,0.7);
padding: 15px 20px;
border-radius: 12px;
font-size: 13px;
z-index: 100;
backdrop-filter: blur(10px);
border: 1px solid rgba(255,255,255,0.1);
}
#controls button {
background: rgba(127, 219, 138, 0.3);
border: 1px solid rgba(127, 219, 138, 0.5);
color: #fff;
padding: 8px 15px;
margin: 5px;
border-radius: 6px;
cursor: pointer;
transition: all 0.3s;
font-size: 12px;
}
#controls button:hover {
background: rgba(127, 219, 138, 0.5);
transform: translateY(-2px);
}
#controls button.active {
background: rgba(127, 219, 138, 0.7);
box-shadow: 0 0 15px rgba(127, 219, 138, 0.5);
}
.stat-label {
color: #7fdb8a;
font-weight: bold;
}
</style>
</head>
<body>
<canvas id="canvas"></canvas>
<div id="ui">
<h2>🌲 Forest Ecosystem</h2>
<p><span class="stat-label">Time:</span> <span id="timeDisplay">Dawn</span></p>
<p><span class="stat-label">Trees:</span> <span id="treeCount">0</span></p>
<p><span class="stat-label">Animals:</span> <span id="animalCount">0</span></p>
<p><span class="stat-label">Particles:</span> <span id="particleCount">0</span></p>
<p><span class="stat-label">Weather:</span> <span id="weatherDisplay">Clear</span></p>
<p><span class="stat-label">Season:</span> <span id="seasonDisplay">Spring</span></p>
<p style="margin-top: 10px; font-size: 11px; opacity: 0.7;">Click to plant trees • Mouse movement affects wind</p>
</div>
<div id="controls">
<button id="rainBtn" onclick="toggleRain()">🌧️ Rain</button>
<button id="fogBtn" onclick="toggleFog()">🌫️ Fog</button>
<button id="windBtn" onclick="toggleWind()">💨 Wind</button>
<button id="seasonBtn" onclick="cycleSeason()">🍂 Season</button>
<button id="spawnBtn" onclick="spawnAnimal()">🦌 Add Animal</button>
<button id="resetBtn" onclick="resetForest()">🔄 Reset</button>
</div>
<script>
// Canvas Setup
const canvas = document.getElementById('canvas');
const ctx = canvas.getContext('2d');
function resize() {
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;
}
resize();
window.addEventListener('resize', resize);
// Simulation State
const state = {
time: 0, // 0-1 (0=midnight, 0.25=dawn, 0.5=noon, 0.75=dusk)
timeSpeed: 0.0001,
weather: {
rain: false,
fog: false,
wind: 0.5,
windDirection: 1
},
season: 0, // 0=spring, 1=summer, 2=fall, 3=winter
mouse: { x: canvas.width / 2, y: canvas.height / 2 },
temperature: 20,
humidity: 60
};
// Color Palettes for different times and seasons
const palettes = {
sky: {
night: ['#0a0a1a', '#1a1a3a', '#0f0f2f'],
dawn: ['#1a1a3a', '#ff6b6b', '#feca57', '#48dbfb'],
day: ['#87ceeb', '#b8e6ff', '#e0f4ff'],
dusk: ['#2d1b4e', '#8b4d8b', '#ff6b6b', '#feca57']
},
seasons: {
spring: { leaf: ['#2d5a27', '#3d7a37', '#4d9a47', '#5dba57'], ground: '#2d4a2d' },
summer: { leaf: ['#1a4a1a', '#2a6a2a', '#3a8a3a', '#4aaa4a'], ground: '#2a5a2a' },
fall: { leaf: ['#8b4513', '#cd853f', '#daa520', '#b22222', '#ff6347'], ground: '#4a3a2a' },
winter: { leaf: ['#3a3a3a', '#5a5a5a', '#7a7a7a'], ground: '#f0f0f0' }
}
};
// Entity Collections
const trees = [];
const animals = [];
const particles = [];
const fireflies = [];
const raindrops = [];
const clouds = [];
const grass = [];
const flowers = [];
// Tree Class
class Tree {
constructor(x, groundY, isSapling = false) {
this.x = x;
this.groundY = groundY;
this.baseY = groundY;
this.height = isSapling ? 30 + Math.random() * 20 : 80 + Math.random() * 120;
this.maxHeight = isSapling ? 200 : this.height;
this.trunkWidth = this.height * 0.08;
this.swayOffset = Math.random() * Math.PI * 2;
this.swayAmount = 0.02 + Math.random() * 0.02;
this.type = Math.floor(Math.random() * 4); // 0=oak, 1=pine, 2=birch, 3=willow
this.branches = this.generateBranches();
this.leaves = this.generateLeaves();
this.age = isSapling ? 0 : 1;
this.growthRate = 0.0001 + Math.random() * 0.0002;
this.health = 1;
this.hasFlowers = this.type === 0 && Math.random() > 0.5;
}
generateBranches() {
const branches = [];
const numBranches = Math.floor(3 + Math.random() * 5);
for (let i = 0; i < numBranches; i++) {
const heightPercent = 0.3 + (i / numBranches) * 0.6;
branches.push({
heightPercent,
length: this.height * (0.2 + Math.random() * 0.3),
angle: (Math.random() - 0.5) * Math.PI * 0.8,
thickness: this.trunkWidth * (0.3 + Math.random() * 0.3)
});
}
return branches;
}
generateLeaves() {
const leaves = [];
const numLeaves = this.type === 1 ? 50 : 80;
for (let i = 0; i < numLeaves; i++) {
const angle = Math.random() * Math.PI * 2;
const radius = Math.random() * this.height * 0.4;
const heightPercent = 0.4 + Math.random() * 0.5;
leaves.push({
offsetX: Math.cos(angle) * radius,
offsetY: -heightPercent * this.height,
size: 5 + Math.random() * 10,
colorIndex: Math.floor(Math.random() * 4),
swayOffset: Math.random() * Math.PI * 2,
fallProgress: 0,
falling: false
});
}
return leaves;
}
update(deltaTime) {
// Growth
if (this.age < 1 && this.height < this.maxHeight) {
this.age += this.growthRate * deltaTime;
this.height = Math.min(this.maxHeight, this.height * (1 + this.growthRate * deltaTime));
}
// Leaf falling in fall/winter
if (state.season >= 2) {
const fallChance = state.season === 2 ? 0.001 : 0.005;
this.leaves.forEach(leaf => {
if (!leaf.falling && Math.random() < fallChance * deltaTime * 0.1) {
leaf.falling = true;
}
if (leaf.falling) {
leaf.fallProgress += 0.01 * deltaTime;
if (leaf.fallProgress > 1) {
leaf.fallProgress = 0;
leaf.falling = false;
}
}
});
}
}
draw(ctx, time) {
const windSway = Math.sin(time * 0.001 + this.swayOffset) * state.weather.wind * this.swayAmount * this.height;
ctx.save();
ctx.translate(this.x, this.groundY);
// Shadow
ctx.fillStyle = 'rgba(0,0,0,0.2)';
ctx.beginPath();
ctx.ellipse(windSway * 0.3, 5, this.height * 0.3, 10, 0, 0, Math.PI * 2);
ctx.fill();
// Trunk
const trunkGradient = ctx.createLinearGradient(-this.trunkWidth, 0, this.trunkWidth, 0);
trunkGradient.addColorStop(0, '#2d1810');
trunkGradient.addColorStop(0.5, '#5a3a25');
trunkGradient.addColorStop(1, '#3d2815');
ctx.fillStyle = trunkGradient;
ctx.beginPath();
ctx.moveTo(-this.trunkWidth, 0);
ctx.quadraticCurveTo(-this.trunkWidth * 0.8 + windSway * 0.1, -this.height * 0.5, -this.trunkWidth * 0.3 + windSway * 0.2, -this.height);
ctx.lineTo(this.trunkWidth * 0.3 + windSway * 0.2, -this.height);
ctx.quadraticCurveTo(this.trunkWidth * 0.8 + windSway * 0.1, -this.height * 0.5, this.trunkWidth, 0);
ctx.closePath();
ctx.fill();
// Bark texture
ctx.strokeStyle = 'rgba(0,0,0,0.2)';
ctx.lineWidth = 1;
for (let i = 0; i < this.height; i += 15) {
ctx.beginPath();
ctx.moveTo(-this.trunkWidth * 0.5 + windSway * (i / this.height) * 0.15, -i);
ctx.lineTo(this.trunkWidth * 0.5 + windSway * (i / this.height) * 0.15, -i);
ctx.stroke();
}
// Branches
this.branches.forEach(branch => {
const branchY = -this.height * branch.heightPercent;
const branchSway = windSway * branch.heightPercent * 0.5;
ctx.strokeStyle = '#4a3020';
ctx.lineWidth = branch.thickness;
ctx.lineCap = 'round';
ctx.beginPath();
ctx.moveTo(windSway * branch.heightPercent * 0.2, branchY);
ctx.quadraticCurveTo(
branch.length * 0.5 * Math.cos(branch.angle) + branchSway,
branchY + branch.length * 0.3 * Math.sin(branch.angle),
branch.length * Math.cos(branch.angle) + branchSway * 2,
branchY + branch.length * 0.5 * Math.sin(branch.angle)
);
ctx.stroke();
});
// Leaves
const seasonPalette = palettes.seasons[['spring', 'summer', 'fall', 'winter'][state.season]].leaf;
this.leaves.forEach(leaf => {
if (leaf.falling) return;
const leafSway = Math.sin(time * 0.002 + leaf.swayOffset) * 3;
const x = leaf.offsetX + windSway * (1 - leaf.offsetY / -this.height) + leafSway;
const y = leaf.offsetY;
const leafColor = seasonPalette[leaf.colorIndex % seasonPalette.length];
ctx.fillStyle = leafColor;
ctx.globalAlpha = state.season === 3 ? 0.3 : 0.9;
if (this.type === 1) { // Pine needle
ctx.beginPath();
ctx.moveTo(x, y);
ctx.lineTo(x - leaf.size * 0.3, y + leaf.size);
ctx.lineTo(x + leaf.size * 0.3, y + leaf.size);
ctx.closePath();
ctx.fill();
} else { // Regular leaf
ctx.beginPath();
ctx.ellipse(x, y, leaf.size * 0.6, leaf.size, 0, 0, Math.PI * 2);
ctx.fill();
}
});
ctx.globalAlpha = 1;
// Flowers in spring
if (this.hasFlowers && state.season === 0 && this.age > 0.5) {
const flowerLeaves = this.leaves.slice(0, 10);
flowerLeaves.forEach(leaf => {
const x = leaf.offsetX + windSway * 0.8;
const y = leaf.offsetY;
ctx.fillStyle = ['#ffb6c1', '#ffc0cb', '#fff0f5', '#ffe4e1'][Math.floor(Math.random() * 4)];
ctx.beginPath();
for (let p = 0; p < 5; p++) {
const angle = (p / 5) * Math.PI * 2;
ctx.ellipse(
x + Math.cos(angle) * 3,
y + Math.sin(angle) * 3,
3, 3, angle, 0, Math.PI * 2
);
}
ctx.fill();
ctx.fillStyle = '#ffff00';
ctx.beginPath();
ctx.arc(x, y, 2, 0, Math.PI * 2);
ctx.fill();
});
}
ctx.restore();
}
}
// Animal Class
class Animal {
constructor(x, y, type = 'deer') {
this.x = x;
this.y = y;
this.type = type;
this.vx = (Math.random() - 0.5) * 2;
this.vy = 0;
this.state = 'idle';
this.stateTime = 0;
this.targetX = x;
this.targetY = y;
this.direction = Math.random() > 0.5 ? 1 : -1;
this.animationFrame = 0;
this.animationSpeed = 0.1;
this.size = type === 'deer' ? 30 : type === 'rabbit' ? 12 : type === 'bird' ? 8 : 15;
this.speed = type === 'deer' ? 1.5 : type === 'rabbit' ? 2 : type === 'bird' ? 3 : 1;
this.jumpForce = 0;
this.grounded = true;
this.fearLevel = 0;
this.wingFlap = 0;
}
update(deltaTime, trees) {
this.stateTime += deltaTime;
this.animationFrame += this.animationSpeed * deltaTime;
// State machine
if (this.state === 'idle') {
if (this.stateTime > 2000 + Math.random() * 3000) {
this.state = Math.random() > 0.5 ? 'walking' : 'eating';
this.stateTime = 0;
if (this.state === 'walking') {
this.targetX = this.x + (Math.random() - 0.5) * 400;
this.direction = this.targetX > this.x ? 1 : -1;
}
}
} else if (this.state === 'walking') {
const dx = this.targetX - this.x;
if (Math.abs(dx) < 5) {
this.state = 'idle';
this.stateTime = 0;
} else {
this.x += Math.sign(dx) * this.speed * deltaTime * 0.1;
}
} else if (this.state === 'eating') {
if (this.stateTime > 3000) {
this.state = 'idle';
this.stateTime = 0;
}
}
// Flee from mouse if close
const distToMouse = Math.hypot(state.mouse.x - this.x, state.mouse.y - this.y);
if (distToMouse < 100) {
this.fearLevel = 1;
this.state = 'fleeing';
this.targetX = this.x + (this.x - state.mouse.x) * 2;
this.direction = this.targetX > this.x ? 1 : -1;
} else {
this.fearLevel *= 0.95;
}
if (this.state === 'fleeing') {
const dx = this.targetX - this.x;
this.x += Math.sign(dx) * this.speed * 2 * deltaTime * 0.1;
if (Math.abs(dx) < 5 || this.fearLevel < 0.1) {
this.state = 'idle';
this.stateTime = 0;
}
}
// Physics for birds
if (this.type === 'bird') {
this.wingFlap += 0.3 * deltaTime;
this.y += Math.sin(this.wingFlap) * 0.5;
if (this.state === 'walking') {
this.y = Math.min(this.y, canvas.height * 0.4);
}
}
// Keep in bounds
this.x = Math.max(50, Math.min(canvas.width - 50, this.x));
this.y = Math.max(canvas.height * 0.4, Math.min(canvas.height * 0.85, this.y));
}
draw(ctx, time) {
ctx.save();
ctx.translate(this.x, this.y);
ctx.scale(this.direction, 1);
const bounce = Math.sin(this.animationFrame * 0.3) * 3;
const isMoving = this.state === 'walking' || this.state === 'fleeing';
if (this.type === 'deer') {
// Body
ctx.fillStyle = '#8b6914';
ctx.beginPath();
ctx.ellipse(0, -this.size * 0.5 + (isMoving ? bounce : 0), this.size * 1.2, this.size * 0.6, 0, 0, Math.PI * 2);
ctx.fill();
// Legs
ctx.strokeStyle = '#6b4914';
ctx.lineWidth = 4;
const legOffset = isMoving ? Math.sin(this.animationFrame * 0.5) * 10 : 0;
ctx.beginPath();
ctx.moveTo(-this.size * 0.5, -this.size * 0.2);
ctx.lineTo(-this.size * 0.5 + legOffset, this.size * 0.3);
ctx.moveTo(this.size * 0.5, -this.size * 0.2);
ctx.lineTo(this.size * 0.5 - legOffset, this.size * 0.3);
ctx.stroke();
// Head
ctx.fillStyle = '#8b6914';
ctx.beginPath();
ctx.ellipse(this.size * 0.9, -this.size * 0.7 + (this.state === 'eating' ? 10 : 0), this.size * 0.4, this.size * 0.35, 0, 0, Math.PI * 2);
ctx.fill();
// Antlers
ctx.strokeStyle = '#5a4020';
ctx.lineWidth = 3;
ctx.beginPath();
ctx.moveTo(this.size * 0.8, -this.size * 0.9);
ctx.lineTo(this.size * 0.6, -this.size * 1.3);
ctx.lineTo(this.size * 0.4, -this.size * 1.1);
ctx.moveTo(this.size * 1, -this.size * 0.9);
ctx.lineTo(this.size * 1.2, -this.size * 1.3);
ctx.lineTo(this.size * 1.4, -this.size * 1.1);
ctx.stroke();
// Eye
ctx.fillStyle = '#000';
ctx.beginPath();
ctx.arc(this.size * 1.1, -this.size * 0.7, 2, 0, Math.PI * 2);
ctx.fill();
// Tail
ctx.fillStyle = '#f5f5dc';
ctx.beginPath();
ctx.ellipse(-this.size * 1.1, -this.size * 0.5, 6, 8, 0, 0, Math.PI * 2);
ctx.fill();
} else if (this.type === 'rabbit') {
// Body
ctx.fillStyle = '#d4a574';
ctx.beginPath();
ctx.ellipse(0, -this.size * 0.3 + (isMoving ? bounce * 0.5 : 0), this.size * 0.8, this.size * 0.5, 0, 0, Math.PI * 2);
ctx.fill();
// Ears
ctx.fillStyle = '#d4a574';
ctx.beginPath();
ctx.ellipse(this.size * 0.2, -this.size * 1.2, 4, 12, -0.3, 0, Math.PI * 2);
ctx.ellipse(-this.size * 0.2, -this.size * 1.2, 4, 12, 0.3, 0, Math.PI * 2);
ctx.fill();
// Inner ears
ctx.fillStyle = '#ffb6c1';
ctx.beginPath();
ctx.ellipse(this.size * 0.2, -this.size * 1.2, 2, 8, -0.3, 0, Math.PI * 2);
ctx.ellipse(-this.size * 0.2, -this.size * 1.2, 2, 8, 0.3, 0, Math.PI * 2);
ctx.fill();
// Head
ctx.fillStyle = '#d4a574';
ctx.beginPath();
ctx.arc(this.size * 0.5, -this.size * 0.5, this.size * 0.4, 0, Math.PI * 2);
ctx.fill();
// Eye
ctx.fillStyle = '#000';
ctx.beginPath();
ctx.arc(this.size * 0.7, -this.size * 0.5, 2, 0, Math.PI * 2);
ctx.fill();
// Tail
ctx.fillStyle = '#fff';
ctx.beginPath();
ctx.arc(-this.size * 0.7, -this.size * 0.3, 5, 0, Math.PI * 2);
ctx.fill();
} else if (this.type === 'bird') {
// Body
ctx.fillStyle = '#4169e1';
ctx.beginPath();
ctx.ellipse(0, 0, this.size * 0.8, this.size * 0.5, 0, 0, Math.PI * 2);
ctx.fill();
// Wings
const wingAngle = Math.sin(this.wingFlap) * 0.5;
ctx.fillStyle = '#3159c1';
ctx.save();
ctx.rotate(wingAngle);
ctx.beginPath();
ctx.ellipse(0, -this.size * 0.3, this.size * 0.6, this.size * 0.2, -0.5, 0, Math.PI * 2);
ctx.fill();
ctx.restore();
// Head
ctx.fillStyle = '#4169e1';
ctx.beginPath();
ctx.arc(this.size * 0.5, -this.size * 0.1, this.size * 0.35, 0, Math.PI * 2);
ctx.fill();
// Beak
ctx.fillStyle = '#ffa500';
ctx.beginPath();
ctx.moveTo(this.size * 0.8, -this.size * 0.1);
ctx.lineTo(this.size * 1.2, 0);
ctx.lineTo(this.size * 0.8, this.size * 0.1);
ctx.closePath();
ctx.fill();
// Eye
ctx.fillStyle = '#000';
ctx.beginPath();
ctx.arc(this.size * 0.6, -this.size * 0.15, 1.5, 0, Math.PI * 2);
ctx.fill();
// Tail
ctx.fillStyle = '#3159c1';
ctx.beginPath();
ctx.moveTo(-this.size * 0.5, 0);
ctx.lineTo(-this.size * 1.2, -this.size * 0.2);
ctx.lineTo(-this.size * 1.2, this.size * 0.2);
ctx.closePath();
ctx.fill();
} else if (this.type === 'fox') {
// Body
ctx.fillStyle = '#d2691e';
ctx.beginPath();
ctx.ellipse(0, -this.size * 0.4 + (isMoving ? bounce : 0), this.size * 1.1, this.size * 0.5, 0, 0, Math.PI * 2);
ctx.fill();
// Legs
ctx.strokeStyle = '#b2590e';
ctx.lineWidth = 3;
const legOff = isMoving ? Math.sin(this.animationFrame * 0.5) * 8 : 0;
ctx.beginPath();
ctx.moveTo(-this.size * 0.4, -this.size * 0.1);
ctx.lineTo(-this.size * 0.4 + legOff, this.size * 0.25);
ctx.moveTo(this.size * 0.4, -this.size * 0.1);
ctx.lineTo(this.size * 0.4 - legOff, this.size * 0.25);
ctx.stroke();
// Head
ctx.fillStyle = '#d2691e';
ctx.beginPath();
ctx.ellipse(this.size * 0.8, -this.size * 0.6, this.size * 0.45, this.size * 0.35, 0, 0, Math.PI * 2);
ctx.fill();
// Snout
ctx.fillStyle = '#f5deb3';
ctx.beginPath();
ctx.ellipse(this.size * 1.1, -this.size * 0.5, this.size * 0.2, this.size * 0.15, 0, 0, Math.PI * 2);
ctx.fill();
// Ears
ctx.fillStyle = '#d2691e';
ctx.beginPath();
ctx.moveTo(this.size * 0.6, -this.size * 0.8);
ctx.lineTo(this.size * 0.5, -this.size * 1.2);
ctx.lineTo(this.size * 0.8, -this.size * 0.9);
ctx.closePath();
ctx.fill();
// Eye
ctx.fillStyle = '#000';
ctx.beginPath();
ctx.arc(this.size * 0.95, -this.size * 0.65, 2, 0, Math.PI * 2);
ctx.fill();
// Tail
ctx.fillStyle = '#d2691e';
ctx.beginPath();
ctx.moveTo(-this.size * 0.8, -this.size * 0.4);
ctx.quadraticCurveTo(-this.size * 1.5, -this.size * 0.8, -this.size * 1.3, -this.size * 0.2);
ctx.fill();
ctx.fillStyle = '#fff';
ctx.beginPath();
ctx.arc(-this.size * 1.3, -this.size * 0.3, 4, 0, Math.PI * 2);
ctx.fill();
}
ctx.restore();
}
}
// Particle Class (for leaves, pollen, etc.)
class Particle {
constructor(x, y, type = 'leaf') {
this.x = x;
this.y = y;
this.type = type;
this.vx = (Math.random() - 0.5) * 2;
this.vy = Math.random() * 2 + 1;
this.rotation = Math.random() * Math.PI * 2;
this.rotationSpeed = (Math.random() - 0.5) * 0.1;
this.size = type === 'leaf' ? 8 + Math.random() * 8 : 3 + Math.random() * 3;
this.color = palettes.seasons[['spring', 'summer', 'fall', 'winter'][state.season]].leaf[Math.floor(Math.random() * 4)];
this.life = 1;
this.decay = 0.001 + Math.random() * 0.002;
}
update(deltaTime) {
const windEffect = state.weather.wind * state.weather.windDirection * 3;
this.vx += windEffect * 0.01;
this.x += this.vx * deltaTime * 0.1;
this.y += this.vy * deltaTime * 0.1;
this.rotation += this.rotationSpeed * deltaTime * 0.1;
this.vx *= 0.99;
this.vy *= 0.99;
if (this.y > canvas.height * 0.9) {
this.life -= 0.02;
}
return this.life > 0 && this.y < canvas.height;
}
draw(ctx) {
ctx.save();
ctx.translate(this.x, this.y);
ctx.rotate(this.rotation);
ctx.globalAlpha = this.life;
ctx.fillStyle = this.color;
if (this.type === 'leaf') {
ctx.beginPath();
ctx.ellipse(0, 0, this.size * 0.5, this.size, 0, 0, Math.PI * 2);
ctx.fill();
} else {
ctx.beginPath();
ctx.arc(0, 0, this.size, 0, Math.PI * 2);
ctx.fill();
}
ctx.restore();
}
}
// Firefly Class
class Firefly {
constructor() {
this.x = Math.random() * canvas.width;
this.y = canvas.height * 0.4 + Math.random() * canvas.height * 0.4;
this.targetX = this.x;
this.targetY = this.y;
this.brightness = 0;
this.phase = Math.random() * Math.PI * 2;
this.speed = 0.3 + Math.random() * 0.3;
this.size = 2 + Math.random() * 2;
}
update(deltaTime, time) {
// Glow phase
this.brightness = (Math.sin(time * 0.003 + this.phase) + 1) / 2;
// Movement
if (Math.random() < 0.01) {
this.targetX = Math.random() * canvas.width;
this.targetY = canvas.height * 0.4 + Math.random() * canvas.height * 0.4;
}
this.x += (this.targetX - this.x) * 0.01;
this.y += (this.targetY - this.y) * 0.01;
}
draw(ctx) {
const glow = this.brightness;
// Outer glow
const gradient = ctx.createRadialGradient(this.x, this.y, 0, this.x, this.y, this.size * 8);
gradient.addColorStop(0, `rgba(255, 255, 150, ${glow * 0.8})`);
gradient.addColorStop(0.5, `rgba(255, 255, 100, ${glow * 0.3})`);
gradient.addColorStop(1, 'rgba(255, 255, 100, 0)');
ctx.fillStyle = gradient;
ctx.beginPath();
ctx.arc(this.x, this.y, this.size * 8, 0, Math.PI * 2);
ctx.fill();
// Core
ctx.fillStyle = `rgba(255, 255, 200, ${glow})`;
ctx.beginPath();
ctx.arc(this.x, this.y, this.size, 0, Math.PI * 2);
ctx.fill();
}
}
// Raindrop Class
class Raindrop {
constructor() {
this.reset();
}
reset() {
this.x = Math.random() * canvas.width;
this.y = -10;
this.length = 10 + Math.random() * 20;
this.speed = 15 + Math.random() * 10;
this.wind = state.weather.wind * state.weather.windDirection * 2;
}
update(deltaTime) {
this.y += this.speed * deltaTime * 0.1;
this.x += this.wind * deltaTime * 0.1;
if (this.y > canvas.height) {
this.reset();
}
}
draw(ctx) {
ctx.strokeStyle = 'rgba(174, 194, 224, 0.6)';
ctx.lineWidth = 1.5;
ctx.beginPath();
ctx.moveTo(this.x, this.y);
ctx.lineTo(this.x + this.wind, this.y + this.length);
ctx.stroke();
}
}
// Cloud Class
class Cloud {
constructor() {
this.x = Math.random() * canvas.width;
this.y = 50 + Math.random() * 150;
this.width = 100 + Math.random() * 200;
this.height = 40 + Math.random() * 60;
this.speed = 0.1 + Math.random() * 0.3;
this.opacity = 0.3 + Math.random() * 0.4;
this.puffs = this.generatePuffs();
}
generatePuffs() {
const puffs = [];
const numPuffs = 5 + Math.floor(Math.random() * 5);
for (let i = 0; i < numPuffs; i++) {
puffs.push({
offsetX: (Math.random() - 0.5) * this.width * 0.8,
offsetY: (Math.random() - 0.5) * this.height * 0.5,
radius: 20 + Math.random() * 40
});
}
return puffs;
}
update(deltaTime) {
this.x += this.speed * state.weather.wind * deltaTime * 0.1;
if (this.x > canvas.width + this.width) {
this.x = -this.width;
} else if (this.x < -this.width) {
this.x = canvas.width + this.width;
}
}
draw(ctx) {
ctx.fillStyle = `rgba(255, 255, 255, ${this.opacity})`;
this.puffs.forEach(puff => {
ctx.beginPath();
ctx.arc(this.x + puff.offsetX, this.y + puff.offsetY, puff.radius, 0, Math.PI * 2);
ctx.fill();
});
}
}
// Grass Class
class GrassBlade {
constructor(x, groundY) {
this.x = x;
this.baseY = groundY;
this.height = 15 + Math.random() * 25;
this.swayOffset = Math.random() * Math.PI * 2;
this.swaySpeed = 0.002 + Math.random() * 0.002;
this.width = 2 + Math.random() * 2;
this.color = ['#2d5a27', '#3d7a37', '#4d9a47'][Math.floor(Math.random() * 3)];
}
draw(ctx, time) {
const sway = Math.sin(time * this.swaySpeed + this.swayOffset) * state.weather.wind * 5;
ctx.strokeStyle = this.color;
ctx.lineWidth = this.width;
ctx.lineCap = 'round';
ctx.beginPath();
ctx.moveTo(this.x, this.baseY);
ctx.quadraticCurveTo(
this.x + sway,
this.baseY - this.height * 0.5,
this.x + sway * 2,
this.baseY - this.height
);
ctx.stroke();
}
}
// Flower Class
class Flower {
constructor(x, groundY) {
this.x = x;
this.baseY = groundY;
this.height = 10 + Math.random() * 15;
this.petalColor = ['#ff6b6b', '#feca57', '#ff9ff3', '#48dbfb', '#1dd1a1'][Math.floor(Math.random() * 5)];
this.centerColor = '#f1c40f';
this.petalCount = 5 + Math.floor(Math.random() * 3);
this.size = 3 + Math.random() * 3;
this.swayOffset = Math.random() * Math.PI * 2;
}
draw(ctx, time) {
const sway = Math.sin(time * 0.002 + this.swayOffset) * state.weather.wind * 3;
// Stem
ctx.strokeStyle = '#2d5a27';
ctx.lineWidth = 2;
ctx.beginPath();
ctx.moveTo(this.x, this.baseY);
ctx.quadraticCurveTo(this.x + sway * 0.5, this.baseY - this.height * 0.5, this.x + sway, this.baseY - this.height);
ctx.stroke();
// Petals
ctx.fillStyle = this.petalColor;
for (let i = 0; i < this.petalCount; i++) {
const angle = (i / this.petalCount) * Math.PI * 2;
ctx.beginPath();
ctx.ellipse(
this.x + sway + Math.cos(angle) * this.size,
this.baseY - this.height + Math.sin(angle) * this.size,
this.size, this.size * 0.6,
angle, 0, Math.PI * 2
);
ctx.fill();
}
// Center
ctx.fillStyle = this.centerColor;
ctx.beginPath();
ctx.arc(this.x + sway, this.baseY - this.height, this.size * 0.5, 0, Math.PI * 2);
ctx.fill();
}
}
// Initialize the forest
function initForest() {
// Clear existing entities
trees.length = 0;
animals.length = 0;
particles.length = 0;
fireflies.length = 0;
raindrops.length = 0;
clouds.length = 0;
grass.length = 0;
flowers.length = 0;
const groundY = canvas.height * 0.85;
// Generate trees with varying depths
for (let i = 0; i < 25; i++) {
const x = Math.random() * canvas.width;
const depth = Math.random();
const adjustedY = groundY - depth * 100;
trees.push(new Tree(x, adjustedY));
}
// Add some saplings
for (let i = 0; i < 5; i++) {
const x = Math.random() * canvas.width;
trees.push(new Tree(x, groundY, true));
}
// Sort trees by Y for depth
trees.sort((a, b) => a.groundY - b.groundY);
// Generate grass
for (let i = 0; i < 300; i++) {
const x = Math.random() * canvas.width;
grass.push(new GrassBlade(x, groundY + Math.random() * 20));
}
// Generate flowers
for (let i = 0; i < 30; i++) {
const x = Math.random() * canvas.width;
flowers.push(new Flower(x, groundY + Math.random() * 15));
}
// Generate clouds
for (let i = 0; i < 8; i++) {
clouds.push(new Cloud());
}
// Generate fireflies
for (let i = 0; i < 20; i++) {
fireflies.push(new Firefly());
}
// Add initial animals
spawnAnimal('deer');
spawnAnimal('rabbit');
spawnAnimal('rabbit');
spawnAnimal('bird');
spawnAnimal('bird');
spawnAnimal('fox');
}
// Draw sky with time-based colors
function drawSky(ctx, time) {
const timeOfDay = state.time;
let colors;
if (timeOfDay < 0.2) { // Night
colors = palettes.sky.night;
} else if (timeOfDay < 0.3) { // Dawn
colors = palettes.sky.dawn;
} else if (timeOfDay < 0.7) { // Day
colors = palettes.sky.day;
} else if (timeOfDay < 0.8) { // Dusk
colors = palettes.sky.dusk;
} else { // Night
colors = palettes.sky.night;
}
const gradient = ctx.createLinearGradient(0, 0, 0, canvas.height * 0.7);
colors.forEach((color, i) => {
gradient.addColorStop(i / (colors.length - 1), color);
});
ctx.fillStyle = gradient;
ctx.fillRect(0, 0, canvas.width, canvas.height);
// Stars at night
if (timeOfDay < 0.2 || timeOfDay > 0.8) {
const starOpacity = timeOfDay < 0.2 ? 1 : (timeOfDay - 0.8) * 5;
ctx.fillStyle = `rgba(255, 255, 255, ${starOpacity})`;
for (let i = 0; i < 100; i++) {
const x = (Math.sin(i * 123.456) * 0.5 + 0.5) * canvas.width;
const y = (Math.cos(i * 789.012) * 0.5 + 0.5) * canvas.height * 0.5;
const size = 1 + Math.random();
const twinkle = Math.sin(time * 0.005 + i) * 0.5 + 0.5;
ctx.globalAlpha = twinkle * starOpacity;
ctx.beginPath();
ctx.arc(x, y, size, 0, Math.PI * 2);
ctx.fill();
}
ctx.globalAlpha = 1;