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tree-of-life/index.html

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<!doctype html>
<html lang="ko">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, viewport-fit=cover">
<title>Tree of Life</title>
<style>
:root{
--sky-top: #bfe3f0;
--sky-bottom: #eaf6ee;
--text: #1c2b22;
--muted: #4c6155;
}
@media (prefers-color-scheme: dark){
:root{
--sky-top: #16222a;
--sky-bottom: #0c1712;
--text: #eaf3ec;
--muted: #9db3a6;
}
}
:root[data-theme="dark"]{
--sky-top: #16222a; --sky-bottom: #0c1712;
--text: #eaf3ec; --muted: #9db3a6;
}
:root[data-theme="light"]{
--sky-top: #bfe3f0; --sky-bottom: #eaf6ee;
--text: #1c2b22; --muted: #4c6155;
}
*{ box-sizing:border-box; }
html,body{
height:100%; margin:0; overscroll-behavior:none;
}
body{
display:flex; flex-direction:column; align-items:center; justify-content:center;
gap:0.9rem;
padding: 1.4rem 1rem;
background: linear-gradient(180deg, var(--sky-top), var(--sky-bottom));
color: var(--text);
font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Pretendard, Roboto, sans-serif;
text-align:center;
overflow:hidden;
}
h1{
margin:0;
font-size: clamp(1.5rem, 5vw, 2.2rem);
letter-spacing: 0.01em;
font-weight: 700;
}
.stage{
position:relative;
width:min(94vw, 520px);
aspect-ratio: 3/4;
max-height: 62vh;
border-radius: 20px;
overflow:hidden;
touch-action: none;
cursor: grab;
}
.stage.grabbing{ cursor: grabbing; }
.stage canvas{ display:block; width:100%; height:100%; }
.hud{
position:absolute; top:0.6rem; right:0.7rem; z-index:2;
background: rgba(0,0,0,0.35); color:#fff; font-size:0.8rem; font-weight:600;
padding:0.3rem 0.65rem; border-radius:999px;
display:flex; align-items:center; gap:0.3rem;
pointer-events:none;
font-variant-numeric: tabular-nums;
}
.confetti-layer{ position:absolute; inset:0; z-index:3; overflow:hidden; pointer-events:none; }
.confetti-piece{
position:absolute; top:-14px; width:8px; height:14px; border-radius:2px;
animation: confetti-fall linear forwards;
}
@keyframes confetti-fall{
0%{ transform: translateY(0) rotate(var(--rot, 0deg)); opacity:1; }
100%{ transform: translateY(70vh) rotate(calc(var(--rot, 0deg) + 220deg)); opacity:0; }
}
.celebrate{
position:absolute; inset:0; z-index:4;
display:flex; align-items:center; justify-content:center;
opacity:0; pointer-events:none;
transition: opacity 0.3s ease;
}
.celebrate.show{ opacity:1; }
.celebrate .msg{
background: rgba(255,255,255,0.92); color:#1c2b22;
padding:0.85rem 1.3rem; border-radius:14px;
font-weight:700; font-size:1.05rem;
box-shadow:0 10px 28px rgba(0,0,0,0.22);
}
@media (prefers-color-scheme: dark){
.celebrate .msg{ background: rgba(20,28,22,0.92); color:#eaf3ec; }
}
:root[data-theme="dark"] .celebrate .msg{ background: rgba(20,28,22,0.92); color:#eaf3ec; }
:root[data-theme="light"] .celebrate .msg{ background: rgba(255,255,255,0.92); color:#1c2b22; }
p.hint{
margin:0;
color: var(--muted);
font-size: 0.92rem;
}
noscript{ color: var(--muted); }
</style>
</head>
<body>
<h1>Tree of Life</h1>
<div class="stage" id="stage">
<div class="hud">🧺 <span id="basketCount">0 / 5</span></div>
<div class="confetti-layer" id="confettiLayer"></div>
<div class="celebrate" id="celebrate"><div class="msg">🎉 사과 5개를 모았어요!</div></div>
</div>
<p class="hint">나무를 드래그해서 흔들면 사과가 떨어져요. 바구니에 5개를 모아보세요 🧺</p>
<script src="./vendor/three.min.js"></script>
<script>
const stage = document.getElementById('stage');
const celebrateEl = document.getElementById('celebrate');
const confettiLayer = document.getElementById('confettiLayer');
const basketCountEl = document.getElementById('basketCount');
// ---------- renderer / scene / camera ----------
const renderer = new THREE.WebGLRenderer({ antialias: true, alpha: false, powerPreference: 'low-power' });
renderer.setPixelRatio(Math.min(window.devicePixelRatio || 1, 2));
stage.appendChild(renderer.domElement);
const scene = new THREE.Scene();
const skyColor = new THREE.Color(0xbfe3f0);
scene.background = skyColor;
scene.fog = new THREE.Fog(skyColor.getHex(), 9, 16);
const camera = new THREE.PerspectiveCamera(42, 1, 0.1, 50);
camera.position.set(0, 3.4, 7.7);
camera.lookAt(0, 1.75, 0.4);
function syncSky(){
const dark = matchMedia('(prefers-color-scheme: dark)').matches;
const root = document.documentElement.getAttribute('data-theme');
const isDark = root ? root === 'dark' : dark;
const hex = isDark ? 0x16222a : 0xbfe3f0;
skyColor.setHex(hex);
scene.background = skyColor;
scene.fog.color.setHex(hex);
}
syncSky();
matchMedia('(prefers-color-scheme: dark)').addEventListener?.('change', syncSky);
new MutationObserver(syncSky).observe(document.documentElement, { attributes:true, attributeFilter:['data-theme'] });
// ---------- lights ----------
scene.add(new THREE.AmbientLight(0xffffff, 0.65));
const sun = new THREE.DirectionalLight(0xfff2d8, 0.9);
sun.position.set(4, 6, 3);
scene.add(sun);
// ---------- ground ----------
const groundMat = new THREE.MeshStandardMaterial({ color: 0x5f9e63, roughness: 1 });
const ground = new THREE.Mesh(new THREE.CircleGeometry(6, 32), groundMat);
ground.rotation.x = -Math.PI / 2;
scene.add(ground);
// soft blob-shadow texture (radial gradient on a canvas)
function makeShadowTexture(){
const c = document.createElement('canvas');
c.width = c.height = 128;
const ctx = c.getContext('2d');
const g = ctx.createRadialGradient(64,64,4,64,64,64);
g.addColorStop(0, 'rgba(0,0,0,0.35)');
g.addColorStop(1, 'rgba(0,0,0,0)');
ctx.fillStyle = g;
ctx.fillRect(0,0,128,128);
return new THREE.CanvasTexture(c);
}
const shadowTex = makeShadowTexture();
function makeShadowBlob(size){
const m = new THREE.Mesh(
new THREE.PlaneGeometry(size, size),
new THREE.MeshBasicMaterial({ map: shadowTex, transparent:true, depthWrite:false })
);
m.rotation.x = -Math.PI/2;
m.position.y = 0.01;
return m;
}
const treeShadow = makeShadowBlob(3.6);
scene.add(treeShadow);
// ---------- tree ----------
const treeGroup = new THREE.Group();
scene.add(treeGroup);
const trunkGeo = new THREE.CylinderGeometry(0.26, 0.4, 2.2, 8);
trunkGeo.translate(0, 1.1, 0);
const trunkMat = new THREE.MeshStandardMaterial({ color: 0x6b4a35, roughness: 1, flatShading:true });
const trunk = new THREE.Mesh(trunkGeo, trunkMat);
treeGroup.add(trunk);
const foliageSpecs = [
{ pos:[0, 3.3, 0], r:1.15, c:0x4f9d6e },
{ pos:[0.95, 2.7, 0.5], r:0.95, c:0x3f8a5d },
{ pos:[-0.95, 2.7, -0.4], r:0.95, c:0x5aab77 },
{ pos:[0.55, 2.25,-0.95], r:0.85, c:0x3f8a5d },
{ pos:[-0.6, 2.15, 0.85], r:0.85, c:0x4f9d6e },
{ pos:[0, 2.6, 0], r:1.0, c:0x5aab77 },
];
const treeHitMeshes = [trunk];
for (const spec of foliageSpecs){
const geo = new THREE.IcosahedronGeometry(spec.r, 0);
const mat = new THREE.MeshStandardMaterial({ color: spec.c, roughness: 0.9, flatShading:true });
const blob = new THREE.Mesh(geo, mat);
blob.position.set(...spec.pos);
treeGroup.add(blob);
treeHitMeshes.push(blob);
}
// ---------- basket ----------
const BASKET_POS = new THREE.Vector3(0, 0, 1.15);
const BASKET_RADIUS = 0.8;
const BASKET_RIM_Y = 0.5;
const BASKET_FULL = 5;
const basketGroup = new THREE.Group();
basketGroup.position.copy(BASKET_POS);
scene.add(basketGroup);
const basketMat = new THREE.MeshStandardMaterial({ color: 0xc9974f, roughness: 1, flatShading:true, side: THREE.DoubleSide });
const basketWallGeo = new THREE.CylinderGeometry(BASKET_RADIUS, BASKET_RADIUS * 0.72, 0.5, 12, 1, true);
basketWallGeo.translate(0, 0.25, 0);
basketGroup.add(new THREE.Mesh(basketWallGeo, basketMat));
const basketFloor = new THREE.Mesh(new THREE.CircleGeometry(BASKET_RADIUS * 0.72, 12), basketMat);
basketFloor.rotation.x = -Math.PI / 2;
basketFloor.position.y = 0.02;
basketGroup.add(basketFloor);
const basketRim = new THREE.Mesh(
new THREE.TorusGeometry(BASKET_RADIUS, 0.05, 6, 16),
new THREE.MeshStandardMaterial({ color: 0xa97b3a, roughness: 1, flatShading:true })
);
basketRim.rotation.x = Math.PI / 2;
basketRim.position.y = 0.5;
basketGroup.add(basketRim);
const basketShadow = makeShadowBlob(BASKET_RADIUS * 2.6);
basketShadow.position.set(BASKET_POS.x, 0.005, BASKET_POS.z);
scene.add(basketShadow);
// ---------- apples ----------
const appleHomes = [
new THREE.Vector3(1.55, 2.75, 0.65),
new THREE.Vector3(-1.5, 2.65, -0.55),
new THREE.Vector3(0.25, 3.75, 0.85),
new THREE.Vector3(0.95, 1.95, -1.25),
new THREE.Vector3(-0.85, 1.9, 1.15),
new THREE.Vector3(1.1, 3.15, -0.55),
new THREE.Vector3(-1.05, 3.05, 0.3),
new THREE.Vector3(0.15, 2.4, 1.35),
];
const appleGeo = new THREE.SphereGeometry(0.16, 10, 8);
const appleMat = new THREE.MeshStandardMaterial({ color: 0xd1453b, roughness: 0.5, flatShading:true });
const stemGeo = new THREE.CylinderGeometry(0.015, 0.02, 0.14, 5);
const stemMat = new THREE.MeshStandardMaterial({ color: 0x5a3d24, roughness:1 });
function createAppleMesh(){
const mesh = new THREE.Mesh(appleGeo, appleMat);
const stem = new THREE.Mesh(stemGeo, stemMat);
stem.position.y = 0.16;
mesh.add(stem);
return mesh;
}
const GROUND_Y = 0.16;
const GRAVITY = -9.2;
const RESPAWN_AFTER = 2.6; // how long a branch stays empty before a new apple grows back
const MISS_LINGER = 1.4; // how long a missed apple stays on the grass before fading away
// a tree "slot" holds at most one apple at a time and regrows independently of
// whatever happens to the apple once it falls (caught in the basket or not)
const treeSlots = appleHomes.map((home) => {
const mesh = createAppleMesh();
mesh.position.copy(home);
treeGroup.add(mesh);
return { home, mesh, state: 'attached', timer: 0 }; // attached | empty | popping
});
const fallingApples = []; // independent apples in flight: falling | resting | vanishing
const basketApples = []; // apples caught and resting in the basket
let basketCount = 0;
function updateBasketCounter(){
basketCountEl.textContent = `${basketCount} / ${BASKET_FULL}`;
}
updateBasketCounter();
// ---------- drag-to-shake interaction ----------
const raycaster = new THREE.Raycaster();
const pointerNdc = new THREE.Vector2();
let dragging = false;
let lastX = 0, lastY = 0;
const angle = { x: 0, z: 0 };
const angVel = { x: 0, z: 0 };
const SPRING_K = 42, SPRING_C = 7;
let shakeEnergy = 0;
let lastDetachAt = -10;
function toNdc(clientX, clientY){
const rect = renderer.domElement.getBoundingClientRect();
pointerNdc.x = ((clientX - rect.left) / rect.width) * 2 - 1;
pointerNdc.y = -((clientY - rect.top) / rect.height) * 2 + 1;
}
function hitsTree(clientX, clientY){
toNdc(clientX, clientY);
raycaster.setFromCamera(pointerNdc, camera);
return raycaster.intersectObjects(treeHitMeshes, false).length > 0;
}
renderer.domElement.addEventListener('pointerdown', (e) => {
if (!hitsTree(e.clientX, e.clientY)) return;
dragging = true;
lastX = e.clientX; lastY = e.clientY;
stage.classList.add('grabbing');
renderer.domElement.setPointerCapture(e.pointerId);
});
renderer.domElement.addEventListener('pointermove', (e) => {
if (!dragging) return;
const dx = (e.clientX - lastX) / renderer.domElement.clientWidth;
const dy = (e.clientY - lastY) / renderer.domElement.clientHeight;
lastX = e.clientX; lastY = e.clientY;
const sensitivity = 26;
angVel.z += dx * sensitivity;
angVel.x += -dy * sensitivity * 0.6;
});
function releaseDrag(e){
if (!dragging) return;
dragging = false;
stage.classList.remove('grabbing');
try { renderer.domElement.releasePointerCapture(e.pointerId); } catch {}
}
renderer.domElement.addEventListener('pointerup', releaseDrag);
renderer.domElement.addEventListener('pointercancel', releaseDrag);
renderer.domElement.addEventListener('pointerleave', releaseDrag);
function knockOffRandomApple(){
const candidates = treeSlots.filter(s => s.state === 'attached');
if (!candidates.length) return;
const slot = candidates[Math.floor(Math.random() * candidates.length)];
const world = new THREE.Vector3();
slot.mesh.getWorldPosition(world);
const q = new THREE.Quaternion();
slot.mesh.getWorldQuaternion(q);
scene.add(slot.mesh);
slot.mesh.position.copy(world);
slot.mesh.quaternion.copy(q);
const shadow = makeShadowBlob(0.5);
scene.add(shadow);
fallingApples.push({
mesh: slot.mesh,
shadow,
velocity: new THREE.Vector3(
(Math.random() - 0.5) * 1.4 + angVel.z * 0.05,
1.0 + Math.random() * 0.6,
(Math.random() - 0.5) * 1.4
),
state: 'falling',
timer: 0,
});
slot.mesh = null;
slot.state = 'empty';
slot.timer = 0;
}
function growSlotApple(slot){
const mesh = createAppleMesh();
mesh.position.copy(slot.home);
mesh.scale.setScalar(0.001);
treeGroup.add(mesh);
slot.mesh = mesh;
slot.state = 'popping';
slot.timer = 0;
}
function catchInBasket(apple){
scene.remove(apple.shadow);
const angle = (basketApples.length / BASKET_FULL) * Math.PI * 2;
const r = 0.32;
apple.mesh.position.set(
BASKET_POS.x + Math.cos(angle) * r,
GROUND_Y + 0.05,
BASKET_POS.z + Math.sin(angle) * r
);
apple.mesh.rotation.set(0, 0, 0);
basketApples.push({ mesh: apple.mesh });
basketCount++;
updateBasketCounter();
if (basketCount >= BASKET_FULL) celebrate();
}
function celebrate(){
celebrateEl.classList.add('show');
spawnConfetti();
setTimeout(clearBasket, 2800);
}
function spawnConfetti(){
const colors = ['#e8574a', '#f2a541', '#4f9d6e', '#4a90c4', '#c46ad9'];
for (let i = 0; i < 28; i++){
const piece = document.createElement('span');
piece.className = 'confetti-piece';
piece.style.left = (Math.random() * 100) + '%';
piece.style.background = colors[i % colors.length];
piece.style.animationDuration = (0.9 + Math.random() * 0.9) + 's';
piece.style.animationDelay = (Math.random() * 0.25) + 's';
piece.style.setProperty('--rot', (Math.random() * 360) + 'deg');
confettiLayer.appendChild(piece);
piece.addEventListener('animationend', () => piece.remove());
}
}
function clearBasket(){
celebrateEl.classList.remove('show');
for (const b of basketApples) scene.remove(b.mesh);
basketApples.length = 0;
basketCount = 0;
updateBasketCounter();
}
// ---------- animation loop ----------
const clock = new THREE.Clock();
function resize(){
const w = stage.clientWidth, h = stage.clientHeight;
renderer.setSize(w, h, false);
camera.aspect = w / h;
camera.updateProjectionMatrix();
}
new ResizeObserver(resize).observe(stage);
resize();
function tick(){
const dt = Math.min(clock.getDelta(), 1/30);
// spring-damped shake
const accelZ = -SPRING_K * angle.z - SPRING_C * angVel.z;
const accelX = -SPRING_K * angle.x - SPRING_C * angVel.x;
angVel.z += accelZ * dt;
angVel.x += accelX * dt;
angle.z = THREE.MathUtils.clamp(angle.z + angVel.z * dt, -0.55, 0.55);
angle.x = THREE.MathUtils.clamp(angle.x + angVel.x * dt, -0.4, 0.4);
treeGroup.rotation.z = angle.z;
treeGroup.rotation.x = angle.x;
treeGroup.updateMatrixWorld();
const rawEnergy = Math.abs(angVel.z) + Math.abs(angVel.x);
shakeEnergy += (rawEnergy - shakeEnergy) * 0.15;
const now = clock.elapsedTime;
if (shakeEnergy > 1.1 && now - lastDetachAt > 0.18){
if (treeSlots.some(s => s.state === 'attached')){
const chance = 1 - Math.exp(-shakeEnergy * dt * 0.9);
if (Math.random() < chance){
knockOffRandomApple();
lastDetachAt = now;
}
}
}
for (let i = fallingApples.length - 1; i >= 0; i--){
const apple = fallingApples[i];
if (apple.state === 'falling'){
apple.velocity.y += GRAVITY * dt;
apple.mesh.position.addScaledVector(apple.velocity, dt);
apple.mesh.rotation.x += apple.velocity.z * dt;
apple.mesh.rotation.z -= apple.velocity.x * dt;
const dx = apple.mesh.position.x - BASKET_POS.x;
const dz = apple.mesh.position.z - BASKET_POS.z;
const inBasket = (dx * dx + dz * dz) <= BASKET_RADIUS * BASKET_RADIUS;
if (inBasket && apple.velocity.y < 0 && apple.mesh.position.y <= BASKET_RIM_Y && basketCount < BASKET_FULL){
catchInBasket(apple);
fallingApples.splice(i, 1);
continue;
}
if (apple.mesh.position.y <= GROUND_Y){
apple.mesh.position.y = GROUND_Y;
if (Math.abs(apple.velocity.y) > 0.6){
apple.velocity.y *= -0.35;
apple.velocity.x *= 0.55;
apple.velocity.z *= 0.55;
} else {
apple.velocity.set(0,0,0);
apple.state = 'resting';
apple.timer = 0;
}
}
apple.shadow.position.set(apple.mesh.position.x, 0.01, apple.mesh.position.z);
const h = Math.max(apple.mesh.position.y - GROUND_Y, 0);
apple.shadow.material.opacity = THREE.MathUtils.clamp(1 - h * 0.7, 0.15, 1);
} else if (apple.state === 'resting'){
apple.timer += dt;
if (apple.timer > MISS_LINGER){
apple.state = 'vanishing';
apple.timer = 0;
}
} else if (apple.state === 'vanishing'){
apple.timer += dt;
const t = Math.min(apple.timer / 0.35, 1);
apple.mesh.scale.setScalar(1 - t);
apple.shadow.material.opacity *= (1 - t * 0.2);
if (t >= 1){
scene.remove(apple.mesh);
scene.remove(apple.shadow);
fallingApples.splice(i, 1);
}
}
}
for (const slot of treeSlots){
if (slot.state === 'empty'){
slot.timer += dt;
if (slot.timer > RESPAWN_AFTER) growSlotApple(slot);
} else if (slot.state === 'popping'){
slot.timer += dt;
const t = Math.min(slot.timer / 0.45, 1);
const s = t < 1 ? THREE.MathUtils.lerp(0.001, 1, 1 - Math.pow(1 - t, 3)) : 1;
slot.mesh.scale.setScalar(s);
if (t >= 1) slot.state = 'attached';
}
}
renderer.render(scene, camera);
requestAnimationFrame(tick);
}
requestAnimationFrame(tick);
</script>
</body>
</html>
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