import * as THREE from 'three'; import { OrbitControls } from 'three/addons/controls/OrbitControls.js'; // --- Scene Setup --- const scene = new THREE.Scene(); scene.background = new THREE.Color(0x87CEEB); // Sky blue scene.fog = new THREE.FogExp2(0x87CEEB, 0.008); const camera = new THREE.PerspectiveCamera(60, window.innerWidth / window.innerHeight, 0.1, 1000); camera.position.set(0, 15, 40); const renderer = new THREE.WebGLRenderer({ antialias: true }); renderer.setSize(window.innerWidth, window.innerHeight); renderer.shadowMap.enabled = true; renderer.shadowMap.type = THREE.PCFSoftShadowMap; document.body.appendChild(renderer.domElement); const controls = new OrbitControls(camera, renderer.domElement); controls.enableDamping = true; controls.maxPolarAngle = Math.PI / 2 - 0.05; // Don't go below ground // --- Lighting --- // Ambient light for general illumination const hemiLight = new THREE.HemisphereLight(0xffffff, 0xffaa00, 0.6); scene.add(hemiLight); // Directional light (The Sun) const dirLight = new THREE.DirectionalLight(0xffffff, 1.5); dirLight.position.set(50, 100, 50); dirLight.castShadow = true; dirLight.shadow.mapSize.width = 2048; dirLight.shadow.mapSize.height = 2048; dirLight.shadow.camera.near = 0.5; dirLight.shadow.camera.far = 500; dirLight.shadow.camera.left = -100; dirLight.shadow.camera.right = 100; dirLight.shadow.camera.top = 100; dirLight.shadow.camera.bottom = -100; scene.add(dirLight); // --- Global Clock (Moved up to fix ReferenceError) --- const clock = new THREE.Clock(); // --- Terrain --- const groundGeometry = new THREE.PlaneGeometry(200, 200, 64, 64); const count = groundGeometry.attributes.position.count; const positions = groundGeometry.attributes.position; // Simple procedural terrain generation for (let i = 0; i < count; i++) { const x = positions.getX(i); const y = positions.getY(i); // This is actually Z in world space until rotated // Create rolling hills const height = Math.sin(x * 0.05) * 2 + Math.cos(y * 0.05) * 2 + Math.random() * 0.5; positions.setZ(i, height); // Displace Z (which becomes Y after rotation) } groundGeometry.computeVertexNormals(); const groundMaterial = new THREE.MeshStandardMaterial({ color: 0xd2b48c, // Tan/Sandy color roughness: 0.8, flatShading: true }); const ground = new THREE.Mesh(groundGeometry, groundMaterial); ground.rotation.x = -Math.PI / 2; ground.receiveShadow = true; scene.add(ground); // --- Oasis (Watering Hole) --- function createOasis() { const radius = 15; // Increased radius for better visibility const height = 1.0; // Increased height/depth const waterGeo = new THREE.CylinderGeometry(radius, radius, height, 32); // Water Material: Enhanced visibility and reflection const waterMat = new THREE.MeshStandardMaterial({ color: 0x6495ed, // Cornflower Blue (brighter) transparent: true, opacity: 0.7, metalness: 0.8, // High metalness for reflections roughness: 0.05, // Very low roughness for mirror-like surface side: THREE.DoubleSide }); const oasis = new THREE.Mesh(waterGeo, waterMat); // Position at center. Sink it slightly below terrain level (which is 0 at the center). oasis.position.set(0, -0.5, 0); // Adjusted Y position oasis.receiveShadow = true; scene.add(oasis); // Add a small border of grass/rock around the edge for definition const borderGeo = new THREE.TorusGeometry(radius, 0.8, 8, 32); // Thicker border const borderMat = new THREE.MeshStandardMaterial({ color: 0x778899 }); // Slate Grey const border = new THREE.Mesh(borderGeo, borderMat); border.rotation.x = Math.PI / 2; border.position.set(0, 0.1, 0); scene.add(border); } createOasis(); // --- Vegetation Constants --- const TREE_MAX_HP = 10; const SHRUB_MAX_HP = 5; const TREE_GROWTH_RATE_FACTOR = 0.03; // Much slower growth const SHRUB_GROWTH_RATE_FACTOR = TREE_GROWTH_RATE_FACTOR * 2; // Twice as fast as trees // Removed SMALL_ANIMAL_POOP_THRESHOLD as it is now in ANIMAL_CONFIGS // --- Vegetation (Acacia Trees) --- const INITIAL_TREE_COUNT = 15; const MAX_TREE_COUNT = Math.floor(INITIAL_TREE_COUNT * 1.2); // 18 trees const trees = []; // Array to store tree references let koalaLastAteTime = 0; let nextPoopDelay = Infinity; // Infinity means the koala is "hungry" and can eat function createAcaciaTree(x, z, isRegrowing = false) { const treeGroup = new THREE.Group(); // Trunk const trunkGeo = new THREE.CylinderGeometry(0.5, 0.8, 6, 6); const trunkMat = new THREE.MeshStandardMaterial({ color: 0x4a3c31, roughness: 0.9 }); const trunk = new THREE.Mesh(trunkGeo, trunkMat); trunk.position.y = 3; trunk.castShadow = true; trunk.receiveShadow = true; treeGroup.add(trunk); // Canopy (Flat top style) const leavesGeo = new THREE.CylinderGeometry(5, 2, 2, 7); const leavesMat = new THREE.MeshStandardMaterial({ color: 0x2d4c1e, flatShading: true }); const leaves = new THREE.Mesh(leavesGeo, leavesMat); leaves.position.y = 6; leaves.castShadow = true; leaves.receiveShadow = true; treeGroup.add(leaves); treeGroup.position.set(x, 0, z); // Adjust height based on terrain approximate const height = Math.sin(x * 0.05) * 2 + Math.cos(z * 0.05) * 2; treeGroup.position.y = height; // Random scale and rotation const fullScale = 0.8 + Math.random() * 0.5; treeGroup.rotation.y = Math.random() * Math.PI; treeGroup.userData.fullScale = fullScale; treeGroup.userData.isGrowing = isRegrowing; treeGroup.userData.type = 'tree'; treeGroup.userData.hp = TREE_MAX_HP; if (isRegrowing) { // Start small for baby trees treeGroup.scale.set(0.1, 0.1, 0.1); } else { treeGroup.scale.set(fullScale, fullScale, fullScale); } scene.add(treeGroup); trees.push(treeGroup); } // --- Vegetation (Shrub) --- function createShrub(x, z, isRegrowing = true) { const shrubGroup = new THREE.Group(); // Trunk (small base) const trunkGeo = new THREE.CylinderGeometry(0.2, 0.4, 1, 4); const trunkMat = new THREE.MeshStandardMaterial({ color: 0x4a3c31, roughness: 0.9 }); const trunk = new THREE.Mesh(trunkGeo, trunkMat); trunk.position.y = 0.5; trunk.castShadow = true; trunk.receiveShadow = true; shrubGroup.add(trunk); // Canopy (bushy) const leavesGeo = new THREE.SphereGeometry(2, 8, 8); const leavesMat = new THREE.MeshStandardMaterial({ color: 0x556b2f, flatShading: true }); // Darker green const leaves = new THREE.Mesh(leavesGeo, leavesMat); leaves.position.y = 1.5; leaves.castShadow = true; leaves.receiveShadow = true; shrubGroup.add(leaves); shrubGroup.position.set(x, 0, z); const height = Math.sin(x * 0.05) * 2 + Math.cos(z * 0.05) * 2; shrubGroup.position.y = height; const fullScale = 0.5 + Math.random() * 0.2; // Shrubs are smaller shrubGroup.rotation.y = Math.random() * Math.PI; shrubGroup.userData.fullScale = fullScale; shrubGroup.userData.isGrowing = isRegrowing; shrubGroup.userData.type = 'shrub'; // New property shrubGroup.userData.hp = SHRUB_MAX_HP; // New property if (isRegrowing) { shrubGroup.scale.set(0.1, 0.1, 0.1); } else { shrubGroup.scale.set(fullScale, fullScale, fullScale); } scene.add(shrubGroup); trees.push(shrubGroup); } // Place initial trees for (let i = 0; i < INITIAL_TREE_COUNT; i++) { const x = (Math.random() - 0.5) * 150; const z = (Math.random() - 0.5) * 150; createAcaciaTree(x, z, false); // Not regrowing initially } // --- Poop Lump Function --- const poops = []; function createPoopLump(x, y, z) { const poopGeo = new THREE.SphereGeometry(1.5, 8, 8); // Dark brown color for the poop lump const poopMat = new THREE.MeshStandardMaterial({ color: 0x654321, roughness: 1.0 }); const poop = new THREE.Mesh(poopGeo, poopMat); // Lift it slightly off the ground (sphere radius is 1.5, so 0.75 lift) poop.position.set(x, y + 0.75, z); poop.castShadow = true; poop.userData.birthTime = clock.getElapsedTime(); poop.userData.lifeSpan = 5; // Lump stays for 5 seconds scene.add(poop); poops.push(poop); } // --- Animals (Stylized Primitives) --- const animals = []; const OASIS_CENTER = new THREE.Vector3(0, 0, 0); const OASIS_DRINKING_RADIUS_SQ = 15 * 15; // 15 units squared const MAX_TREE_EAT_DISTANCE_SQ = 10 * 10; const MATING_DISTANCE_SQ = 5 * 5; // Animal Ecological Configuration const ANIMAL_CONFIGS = { giraffe: { speed: 0.02, maturation: 60, maxHunger: 100, hungerRate: 0.5, thirstRate: 0.8, sizeFactor: 3, isSmall: false, poopThreshold: 30 }, elephant: { speed: 0.015, maturation: 80, maxHunger: 150, hungerRate: 0.4, thirstRate: 0.7, sizeFactor: 4, isSmall: false, poopThreshold: 30 }, lion: { speed: 0.04, maturation: 50, maxHunger: 80, hungerRate: 0.6, thirstRate: 0.6, sizeFactor: 1.5, isSmall: true, poopThreshold: 9 }, monkey: { speed: 0.06, maturation: 40, maxHunger: 50, hungerRate: 0.7, thirstRate: 0.5, sizeFactor: 1, isSmall: true, poopThreshold: 9 } }; const BABY_NEEDS_FACTOR = 0.25; // Minimal needs, set to 25% of adult const REPRODUCTION_MATURATION_RATIO = 0.8; // Reproduction takes >0.8 maturation length function findClosestTarget(animalPos, targets) { let closest = null; let minDistanceSq = Infinity; targets.forEach(target => { const targetPos = target.position; const distanceSq = animalPos.clone().setY(0).distanceToSquared(targetPos.clone().setY(0)); // Filter out trees that are still growing if (target.userData.isGrowing) return; if (distanceSq < minDistanceSq) { minDistanceSq = distanceSq; closest = target; } }); return closest; } function createAnimal(type, x, z, isBaby = false) { const group = new THREE.Group(); const config = ANIMAL_CONFIGS[type]; const fullScale = 0.8 + Math.random() * 0.5; group.userData = { type: type, speed: config.speed, turnSpeed: 0, destination: null, targetMate: null, // Ecological stats age: isBaby ? 0 : config.maturation, maturationLength: config.maturation, // Time in seconds to become an adult isAdult: !isBaby, hunger: 0, thirst: 0, maxHunger: config.maxHunger, lastAteTime: clock.getElapsedTime(), lastDrankTime: clock.getElapsedTime(), lastMatedTime: clock.getElapsedTime() - config.maturation * REPRODUCTION_MATURATION_RATIO, isSearchingForMate: false, // NEW STATS ingestedHP: 0, // Tracks ingested HP for poop threshold poopThreshold: config.poopThreshold, // Added to userData for easy access sizeFactor: config.sizeFactor, isSmall: config.isSmall, // Visual fullScale: fullScale, baseY: 0 // Base Y position from terrain }; if (type === 'giraffe') { // Tall, Yellow, Long Neck const bodyGeo = new THREE.BoxGeometry(1.5, 1.5, 2); const neckGeo = new THREE.BoxGeometry(0.5, 3, 0.5); const headGeo = new THREE.BoxGeometry(0.6, 0.6, 0.8); const mat = new THREE.MeshStandardMaterial({ color: 0xffd700 }); // Gold const body = new THREE.Mesh(bodyGeo, mat); body.position.y = 2; body.castShadow = true; const neck = new THREE.Mesh(neckGeo, mat); neck.position.set(0, 4, 0.8); neck.rotation.x = -0.2; neck.castShadow = true; const head = new THREE.Mesh(headGeo, mat); head.position.set(0, 5.5, 1.2); head.castShadow = true; // Legs const legGeo = new THREE.BoxGeometry(0.3, 2, 0.3); const leg1 = new THREE.Mesh(legGeo, mat); leg1.position.set(-0.5, 1, -0.8); const leg2 = new THREE.Mesh(legGeo, mat); leg2.position.set(0.5, 1, -0.8); const leg3 = new THREE.Mesh(legGeo, mat); leg3.position.set(-0.5, 1, 0.8); const leg4 = new THREE.Mesh(legGeo, mat); leg4.position.set(0.5, 1, 0.8); group.add(body, neck, head, leg1, leg2, leg3, leg4); } else if (type === 'elephant') { // Big, Grey, Trunk const mat = new THREE.MeshStandardMaterial({ color: 0x808080 }); const body = new THREE.Mesh(new THREE.BoxGeometry(2.5, 2.5, 3.5), mat); body.position.y = 2; body.castShadow = true; const head = new THREE.Mesh(new THREE.BoxGeometry(1.5, 1.5, 1.5), mat); head.position.set(0, 2.5, 2); head.castShadow = true; const trunk = new THREE.Mesh(new THREE.BoxGeometry(0.4, 1.5, 0.4), mat); trunk.position.set(0, 1.8, 2.8); trunk.rotation.x = -0.5; // Legs const legGeo = new THREE.CylinderGeometry(0.4, 0.4, 2, 8); const leg1 = new THREE.Mesh(legGeo, mat); leg1.position.set(-1, 1, -1.2); const leg2 = new THREE.Mesh(legGeo, mat); leg2.position.set(1, 1, -1.2); const leg3 = new THREE.Mesh(legGeo, mat); leg3.position.set(-1, 1, 1.2); const leg4 = new THREE.Mesh(legGeo, mat); leg4.position.set(1, 1, 1.2); group.add(body, head, trunk, leg1, leg2, leg3, leg4); } else if (type === 'lion') { // Small, Tawny const mat = new THREE.MeshStandardMaterial({ color: 0xcd853f }); const body = new THREE.Mesh(new THREE.BoxGeometry(0.8, 0.8, 1.5), mat); body.position.y = 0.8; body.castShadow = true; const head = new THREE.Mesh(new THREE.BoxGeometry(0.7, 0.7, 0.8), mat); head.position.set(0, 1.2, 0.8); head.castShadow = true; group.add(body, head); } else if (type === 'monkey') { // Small, Brown, Jumping const mat = new THREE.MeshStandardMaterial({ color: 0x8b4513 }); const body = new THREE.Mesh(new THREE.SphereGeometry(0.4), mat); body.position.y = 0.8; body.castShadow = true; const head = new THREE.Mesh(new THREE.SphereGeometry(0.3), mat); head.position.set(0, 1.3, 0); group.add(body, head); group.userData.jumpOffset = Math.random() * 100; } // Set initial position with terrain height adjustment group.position.set(x, 0, z); const y = Math.sin(x * 0.05) * 2 + Math.cos(z * 0.05) * 2; group.position.y = y; group.userData.baseY = y; // Set scale based on baby status if (isBaby) { group.scale.set(0.1, 0.1, 0.1); } else { group.scale.set(fullScale, fullScale, fullScale); } scene.add(group); animals.push(group); } // Spawn Initial Animals createAnimal('giraffe', 10, 10); createAnimal('giraffe', 15, 12); createAnimal('elephant', -20, -10); createAnimal('elephant', -25, -5); createAnimal('lion', 5, -20); createAnimal('monkey', 2, 2); createAnimal('monkey', -2, 4); // --- Koala Robot Globals --- let koalaRobot; const koalaLegs = []; let koalaSpeed = 0.05; let koalaTurnSpeed = 0; // --- Koala Robot Construction --- function createKoalaRobot() { koalaRobot = new THREE.Group(); const robotMat = new THREE.MeshStandardMaterial({ color: 0x6a5acd, // Slate Blue/Purple Metallic metalness: 0.9, roughness: 0.2 }); const angryMat = new THREE.MeshStandardMaterial({ color: 0xcc0000 }); // Angry Red // 1. Body (Torso) - Centered at Y=12 const bodyGeo = new THREE.BoxGeometry(10, 8, 6); const body = new THREE.Mesh(bodyGeo, robotMat); body.position.y = 12; body.castShadow = true; koalaRobot.add(body); // 2. Head - Centered at Y=18 const headGeo = new THREE.BoxGeometry(12, 10, 8); const head = new THREE.Mesh(headGeo, robotMat); head.position.y = 18; head.castShadow = true; koalaRobot.add(head); // 3. Ears (Two large metallic disks) const earGeo = new THREE.CylinderGeometry(4, 4, 1, 16); const ear1 = new THREE.Mesh(earGeo, robotMat); ear1.position.set(-6, 23, 0); ear1.rotation.z = Math.PI / 2; ear1.castShadow = true; const ear2 = ear1.clone(); ear2.position.x = 6; koalaRobot.add(ear1, ear2); // 4. Angry Eyes (Red slits) const eyeGeo = new THREE.BoxGeometry(0.5, 0.5, 0.2); const eye1 = new THREE.Mesh(eyeGeo, angryMat); eye1.position.set(-2, 18, 4.1); eye1.rotation.y = -0.1; const eye2 = eye1.clone(); eye2.position.x = 2; eye2.rotation.y = 0.1; // 5. Nose (Dark, large) const noseGeo = new THREE.BoxGeometry(2, 2, 1); const noseMat = new THREE.MeshStandardMaterial({ color: 0x111111 }); const nose = new THREE.Mesh(noseGeo, noseMat); nose.position.set(0, 17, 4.5); koalaRobot.add(eye1, eye2, nose); // 6. Legs (Stompers) const legGeo = new THREE.BoxGeometry(3, 10, 3); // Positions: Front Left (0), Front Right (1), Back Left (2), Back Right (3) const legPositions = [ { x: -4, z: -2.5 }, { x: 4, z: -2.5 }, { x: -4, z: 2.5 }, { x: 4, z: 2.5 } ]; legPositions.forEach((pos) => { const leg = new THREE.Mesh(legGeo, robotMat); leg.position.set(pos.x, 5, pos.z); // Initial Y=5 (half of 10 height) leg.castShadow = true; koalaRobot.add(leg); koalaLegs.push(leg); }); // Initial placement in the center of the world koalaRobot.position.set(0, 0, 0); scene.add(koalaRobot); } createKoalaRobot(); // --- Animation Loop --- function animate() { requestAnimationFrame(animate); const delta = clock.getDelta(); const time = clock.getElapsedTime(); // --- Koala Poop/Regrowth Logic --- // Check if enough time has passed since the last meal, based on the exponential random delay if (trees.length < MAX_TREE_COUNT && time > koalaLastAteTime + nextPoopDelay) { const distanceBehind = 10; const koalaRotY = koalaRobot.rotation.y; // Calculate position behind the koala (Koala's forward is +Z in local space) const x = koalaRobot.position.x - Math.sin(koalaRotY) * distanceBehind; const z = koalaRobot.position.z - Math.cos(koalaRotY) * distanceBehind; // Get terrain height at the poop location const terrainHeight = Math.sin(x * 0.05) * 2 + Math.cos(z * 0.05) * 2; // 1. Create the Poop Lump visualization createPoopLump(x, terrainHeight, z); // 2. Create the baby tree at the same location createAcaciaTree(x, z, true); // Create a growing baby tree // Reset delay after planting nextPoopDelay = Infinity; } // --- Poop Cleanup --- for (let i = poops.length - 1; i >= 0; i--) { const poop = poops[i]; if (time > poop.userData.birthTime + poop.userData.lifeSpan) { scene.remove(poop); poops.splice(i, 1); } } // --- Tree Growth Animation --- trees.forEach(tree => { if (tree.userData.isGrowing) { const targetScale = tree.userData.fullScale; const currentScale = tree.scale.x; // Use different growth rates const baseRate = tree.userData.type === 'shrub' ? SHRUB_GROWTH_RATE_FACTOR : TREE_GROWTH_RATE_FACTOR; const growthRate = baseRate * delta; const newScale = Math.min(targetScale, currentScale + growthRate); tree.scale.set(newScale, newScale, newScale); if (newScale >= targetScale) { tree.userData.isGrowing = false; // Ensure scale is exactly the target scale when finished tree.scale.set(targetScale, targetScale, targetScale); } } }); // --- Koala Robot Animation (Movement and Eating) --- if (koalaRobot) { // Stomping Animation const stompTime = time * 7; // Stomp rate const step = Math.sin(stompTime) * 0.5; // Amplitude of the stomp (0.5 units) // Stomp Pair 1: Front Left (0) and Back Right (3) move up/down together koalaLegs[0].position.y = 5 + step; koalaLegs[3].position.y = 5 + step; // Stomp Pair 2: Front Right (1) and Back Left (2) move opposite koalaLegs[1].position.y = 5 - step; koalaLegs[2].position.y = 5 - step; // Movement koalaRobot.translateZ(koalaSpeed); // Wandering logic if (Math.random() < 0.01) { koalaTurnSpeed = (Math.random() - 0.5) * 0.02; // Slower turn speed } koalaRobot.rotation.y += koalaTurnSpeed; // Keep within bounds roughly if (koalaRobot.position.x > 90 || koalaRobot.position.x < -90 || koalaRobot.position.z > 90 || koalaRobot.position.z < -90) { koalaRobot.rotation.y += Math.PI; } // Update Height based on terrain const x = koalaRobot.position.x; const z = koalaRobot.position.z; const terrainHeight = Math.sin(x * 0.05) * 2 + Math.cos(z * 0.05) * 2; koalaRobot.position.y = terrainHeight; // --- Koala Robot Tree Eating Logic --- const koalaPos = koalaRobot.position; const EATING_DISTANCE = 10; // Koala only eats if it is not "full" (nextPoopDelay is Infinity) if (nextPoopDelay === Infinity) { // Iterate backwards to safely remove items for (let i = trees.length - 1; i >= 0; i--) { const tree = trees[i]; const treePos = tree.position; // Only eat fully grown trees (not growing baby trees) if (tree.userData.isGrowing) continue; // Calculate horizontal distance (ignoring Y) const distance = koalaPos.clone().setY(0).distanceTo(treePos.clone().setY(0)); if (distance < EATING_DISTANCE) { // Koala is a destructive robot, it removes the whole tree instantly scene.remove(tree); trees.splice(i, 1); // Set Poop Timing: Exponential random delay centered around 10 seconds koalaLastAteTime = time; // Exponential random distribution with a mean of 10 seconds (lambda = 1/10) nextPoopDelay = -10 * Math.log(Math.random()); // Make the koala bot turn slightly after eating to find the next target koalaRobot.rotation.y += Math.PI / 8; koalaTurnSpeed = 0; break; // Koala only eats one tree per frame when it finds one } } } } // --- Animal Ecology Update and Movement --- const speciesPopulations = { giraffe: 0, elephant: 0, lion: 0, monkey: 0 }; animals.forEach(animal => speciesPopulations[animal.userData.type]++); // Carrying capacity: Maximum total animals based on trees. // Using a conservative factor of 2 animals per tree, minimum 10. const MAX_TOTAL_ANIMAL_POP = Math.max(10, trees.length * 2); // Iterate backwards to safely remove dead animals for (let i = animals.length - 1; i >= 0; i--) { const animal = animals[i]; const config = ANIMAL_CONFIGS[animal.userData.type]; const needsFactor = animal.userData.isAdult ? 1 : BABY_NEEDS_FACTOR; // 1. Aging and Maturation animal.userData.age += delta; // Growth Scale and Maturation if (!animal.userData.isAdult) { const growthRatio = animal.userData.age / animal.userData.maturationLength; const targetScale = animal.userData.fullScale; // Baby growth is very slow (1/4th speed is already handled by the maturation length being long) const currentScale = 0.1 + (targetScale - 0.1) * Math.min(1.0, growthRatio); animal.scale.set(currentScale, currentScale, currentScale); if (animal.userData.age >= animal.userData.maturationLength) { animal.userData.isAdult = true; } } // 2. Needs Increment (Hunger/Thirst) // Rate is proportional to sizeFactor * needsFactor (baby/adult) animal.userData.hunger += config.hungerRate * delta * needsFactor * animal.userData.sizeFactor; animal.userData.thirst += config.thirstRate * delta * needsFactor * animal.userData.sizeFactor; // 3. Survival Check (Death) const pop = speciesPopulations[animal.userData.type]; const isProtected = pop <= 2; if (!isProtected && animal.userData.hunger > config.maxHunger * 2) { scene.remove(animal); animals.splice(i, 1); continue; // Skip movement/action for dead animal } if (!isProtected && animal.userData.thirst > config.maxHunger * 1.5) { scene.remove(animal); animals.splice(i, 1); continue; // Skip movement/action for dead animal } // 4. Action Priority: Eat > Drink > Mate > Wander animal.userData.destination = null; animal.userData.targetMate = null; let actionTaken = false; // NEW: Check if the animal is "full" (ready to poop) const isFull = animal.userData.ingestedHP >= config.poopThreshold; // A. HUNGER: Find nearest tree (only if adult, hungry, AND NOT FULL) if (animal.userData.isAdult && animal.userData.hunger > config.maxHunger * 0.5 && !isFull) { const closestTree = findClosestTarget(animal.position, trees); if (closestTree) { animal.userData.destination = closestTree.position; actionTaken = true; } } // B. THIRST: Find oasis (only if thirsty) if (!actionTaken && animal.userData.thirst > config.maxHunger * 0.3) { animal.userData.destination = OASIS_CENTER; actionTaken = true; } // C. MATE: Find a mate (only if adult, well-fed, and ready) const matingTimeRequired = animal.userData.maturationLength * REPRODUCTION_MATURATION_RATIO; if (!actionTaken && animal.userData.isAdult && animal.userData.hunger < config.maxHunger * 0.2 && animal.userData.thirst < config.maxHunger * 0.1 && time > animal.userData.lastMatedTime + matingTimeRequired) { animal.userData.isSearchingForMate = true; // Search for another adult of the same species that is also ready to mate const potentialMates = animals.filter(a => a !== animal && a.userData.type === animal.userData.type && a.userData.isAdult && a.userData.isSearchingForMate && time > a.userData.lastMatedTime + matingTimeRequired); if (potentialMates.length > 0) { const closestMate = findClosestTarget(animal.position, potentialMates); if (closestMate) { animal.userData.destination = closestMate.position; animal.userData.targetMate = closestMate; actionTaken = true; } } } else { animal.userData.isSearchingForMate = false; } // 5. Movement and Action Execution let shouldWander = true; if (animal.userData.destination) { const dest = animal.userData.destination; const distanceSq = animal.position.clone().setY(0).distanceToSquared(dest.clone().setY(0)); shouldWander = false; // Look at destination const lookAtTarget = dest.clone(); lookAtTarget.y = animal.position.y; animal.lookAt(lookAtTarget); animal.translateZ(animal.userData.speed); // A. Oasis Action (Drinking) if (dest === OASIS_CENTER) { if (distanceSq < OASIS_DRINKING_RADIUS_SQ) { animal.userData.thirst = 0; animal.userData.destination = null; shouldWander = true; } // B. Tree Action (Eating) - Now supports partial eating } else if (trees.some(t => t.position === dest)) { if (distanceSq < MAX_TREE_EAT_DISTANCE_SQ) { const treeToEat = trees.find(t => t.position === dest); if (treeToEat && !treeToEat.userData.isGrowing) { // 1. Determine how much HP is eaten (base consumption is 1 HP, scaled by animal size) const EAT_AMOUNT = 1 * animal.userData.sizeFactor; // 2. Reduce tree HP treeToEat.userData.hp -= EAT_AMOUNT; // 3. Update animal hunger animal.userData.hunger = 0; // Instant gratification for finding food animal.userData.lastAteTime = time; animal.userData.destination = null; // Done eating for now shouldWander = true; // 4. Track ingested HP for ALL animals animal.userData.ingestedHP += EAT_AMOUNT; // 5. Check if tree is fully consumed if (treeToEat.userData.hp <= 0) { scene.remove(treeToEat); trees.splice(trees.indexOf(treeToEat), 1); } else { // Visually scale the tree down slightly to reflect damage const currentMaxHP = treeToEat.userData.type === 'tree' ? TREE_MAX_HP : SHRUB_MAX_HP; // Scale reduction: 1.0 (full scale) down to 0.5 (half scale) when HP is 0 const scaleRatio = treeToEat.userData.hp / currentMaxHP; const currentScale = treeToEat.userData.fullScale * (scaleRatio * 0.5 + 0.5); treeToEat.scale.set(currentScale, currentScale, currentScale); } // 6. Poop Logic (Generalized) if (animal.userData.ingestedHP >= animal.userData.poopThreshold) { const distanceBehind = 5; const animalRotY = animal.rotation.y; // Calculate position behind the animal const x = animal.position.x - Math.sin(animalRotY) * distanceBehind; const z = animal.position.z - Math.cos(animalRotY) * distanceBehind; const terrainHeight = Math.sin(x * 0.05) * 2 + Math.cos(z * 0.05) * 2; // Create the Poop Lump visualization createPoopLump(x, terrainHeight, z); if (animal.userData.isSmall) { // Small animal specific output (shrub/tree) if (Math.random() < 0.1) { createShrub(x, z, true); } else { createAcaciaTree(x, z, true); } } else { // Large animal output (always tree) createAcaciaTree(x, z, true); } animal.userData.ingestedHP = 0; // Reset ingested HP } } } // C. Mate Action (Reproduction) } else if (animal.userData.targetMate) { if (distanceSq < MATING_DISTANCE_SQ) { // Mating successful: reset mating timers for both animals animal.userData.lastMatedTime = time; animal.userData.targetMate.userData.lastMatedTime = time; animal.userData.destination = null; animal.userData.targetMate.userData.targetMate = null; // Clear mate target on the partner animal.userData.targetMate = null; shouldWander = true; // Reproduction: Check carrying capacity if (animals.length < MAX_TOTAL_ANIMAL_POP) { const babyX = animal.position.x + (Math.random() - 0.5) * 5; const babyZ = animal.position.z + (Math.random() - 0.5) * 5; createAnimal(animal.userData.type, babyX, babyZ, true); } } } } // 6. Simple wandering logic if no destination if (shouldWander) { animal.translateZ(animal.userData.speed); // Slowly rotate randomly if (Math.random() < 0.02) { animal.userData.turnSpeed = (Math.random() - 0.5) * 0.05; } animal.rotation.y += animal.userData.turnSpeed; // Keep within bounds roughly if (animal.position.x > 90 || animal.position.x < -90 || animal.position.z > 90 || animal.position.z < -90) { animal.rotation.y += Math.PI; } } // 7. Update Height based on terrain const x = animal.position.x; const z = animal.position.z; const terrainHeight = Math.sin(x * 0.05) * 2 + Math.cos(z * 0.05) * 2; animal.userData.baseY = terrainHeight; // Monkey jump if (animal.userData.type === 'monkey') { const jump = Math.abs(Math.sin(time * 5 + animal.userData.jumpOffset)) * 1.5 * animal.scale.x; animal.position.y = terrainHeight + jump; } else { animal.position.y = terrainHeight; } } controls.update(); renderer.render(scene, camera); } // Handle window resize window.addEventListener('resize', () => { camera.aspect = window.innerWidth / window.innerHeight; camera.updateProjectionMatrix(); renderer.setSize(window.innerWidth, window.innerHeight); }); animate();

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Robot Koala Rampage

Robot Koala Rampage