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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>Legends of the Triple Eclipse</title>
<script src="https://cdn.tailwindcss.com"></script>
<style>
@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;700&display=swap');
body {
margin: 0;
overflow: hidden;
background-color: #0a0a10;
font-family: 'Cinzel', serif;
color: #e0e0e0;
}
canvas {
display: block;
}
#ui-container {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
pointer-events: none;
display: flex;
flex-direction: column;
justify-content: space-between;
align-items: center;
}
.ui-panel {
background-color: rgba(10, 10, 16, 0.7);
border: 1px solid rgba(128, 0, 255, 0.4);
border-radius: 12px;
padding: 1rem;
margin: 1rem;
backdrop-filter: blur(5px);
box-shadow: 0 0 20px rgba(128, 0, 255, 0.3);
pointer-events: auto;
}
.character-btn {
background-color: rgba(30, 30, 50, 0.8);
border: 1px solid transparent;
border-image-slice: 1;
padding: 0.75rem 1.5rem;
border-radius: 8px;
cursor: pointer;
transition: all 0.3s ease;
text-transform: uppercase;
letter-spacing: 1px;
font-weight: 700;
}
.character-btn:hover, .character-btn.active {
transform: translateY(-2px);
box-shadow: 0 0 15px var(--glow-color, #fff);
border: 1px solid var(--glow-color, #fff);
background-color: var(--bg-color, #303050);
}
#instructions {
max-width: 400px;
text-align: center;
}
</style>
</head>
<body>
<canvas id="gameCanvas"></canvas>
<div id="ui-container">
<!-- Top Panel: Character Selection -->
<div id="character-selection" class="ui-panel">
<h1 class="text-2xl font-bold text-center mb-4">Choose Your Legend</h1>
<div class="flex space-x-4">
<button id="sephiroth-btn" class="character-btn" style="--glow-color: #c0c0c0; --bg-color: #2d2d3a;">Sephiroth</button>
<button id="yshtola-btn" class="character-btn" style="--glow-color: #c488ff; --bg-color: #3a2d3a;">Y'shtola</button>
<button id="vivi-btn" class="character-btn" style="--glow-color: #ffb86c; --bg-color: #3a322d;">Vivi</button>
</div>
</div>
<!-- Bottom Panel: Instructions & Info -->
<div id="info-panel" class="ui-panel">
<h2 id="character-name" class="text-xl font-bold text-center">-</h2>
<p id="instructions" class="mt-2 text-sm text-gray-300">Select a character to begin. Use your mouse to shape the realm.</p>
</div>
</div>
<script type="importmap">
{
"imports": {
"three": "https://cdn.jsdelivr.net/npm/[email protected]/build/three.module.js",
"three/addons/": "https://cdn.jsdelivr.net/npm/[email protected]/examples/jsm/"
}
}
</script>
<script type="module">
import * as THREE from 'three';
import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
// --- CORE GAME ENGINE ---
class GameEngine {
constructor() {
this.scene = new THREE.Scene();
this.camera = new THREE.PerspectiveCamera(75, window.innerWidth / window.innerHeight, 0.1, 1000);
this.renderer = new THREE.WebGLRenderer({ canvas: document.getElementById('gameCanvas'), antialias: true });
this.controls = new OrbitControls(this.camera, this.renderer.domElement);
this.raycaster = new THREE.Raycaster();
this.mouse = new THREE.Vector2();
this.activeCharacter = null;
this.terrain = null;
this.activeEffects = new THREE.Group();
this.scene.add(this.activeEffects);
this.isMouseDown = false;
this.mouseDownTime = 0;
this.init();
this.bindEvents();
this.animate();
}
init() {
// Renderer setup
this.renderer.setSize(window.innerWidth, window.innerHeight);
this.renderer.setPixelRatio(window.devicePixelRatio);
this.renderer.shadowMap.enabled = true;
// Camera setup
this.camera.position.set(0, 50, 60);
this.controls.update();
// Lighting
const ambientLight = new THREE.AmbientLight(0x404060, 2);
this.scene.add(ambientLight);
const directionalLight = new THREE.DirectionalLight(0xffffff, 1.5);
directionalLight.position.set(50, 50, 25);
directionalLight.castShadow = true;
this.scene.add(directionalLight);
// Scene background
this.scene.fog = new THREE.FogExp2(0x0a0a10, 0.008);
this.scene.background = new THREE.Color(0x0a0a10);
// Initial Terrain
this.createTerrain();
}
createTerrain() {
if (this.terrain) this.scene.remove(this.terrain);
const geometry = new THREE.PlaneGeometry(200, 200, 100, 100);
const material = new THREE.MeshStandardMaterial({
color: 0x222233,
wireframe: false,
roughness: 0.8,
metalness: 0.2,
});
this.terrain = new THREE.Mesh(geometry, material);
this.terrain.rotation.x = -Math.PI / 2;
this.terrain.receiveShadow = true;
this.scene.add(this.terrain);
}
bindEvents() {
window.addEventListener('resize', this.onWindowResize.bind(this));
this.renderer.domElement.addEventListener('mousedown', this.onMouseDown.bind(this));
this.renderer.domElement.addEventListener('mouseup', this.onMouseUp.bind(this));
this.renderer.domElement.addEventListener('mousemove', this.onMouseMove.bind(this));
}
onWindowResize() {
this.camera.aspect = window.innerWidth / window.innerHeight;
this.camera.updateProjectionMatrix();
this.renderer.setSize(window.innerWidth, window.innerHeight);
}
onMouseDown(event) {
this.isMouseDown = true;
this.mouseDownTime = Date.now();
this.mouse.x = (event.clientX / window.innerWidth) * 2 - 1;
this.mouse.y = -(event.clientY / window.innerHeight) * 2 + 1;
}
onMouseMove(event) {
if(this.isMouseDown) { // Allow dragging spells
this.mouse.x = (event.clientX / window.innerWidth) * 2 - 1;
this.mouse.y = -(event.clientY / window.innerHeight) * 2 + 1;
}
}
onMouseUp(event) {
if (!this.activeCharacter) return;
this.isMouseDown = false;
const holdDuration = Date.now() - this.mouseDownTime;
this.raycaster.setFromCamera(this.mouse, this.camera);
const intersects = this.raycaster.intersectObject(this.terrain);
if (intersects.length > 0) {
const point = intersects[0].point;
// FIX: Use .call() to set the correct 'this' context inside the trigger function
this.activeCharacter.trigger.call(this, {
type: 'cast',
position: point,
holdDuration: holdDuration
});
}
}
setActiveCharacter(character) {
this.activeCharacter = character;
// Clean up old effects
while(this.activeEffects.children.length > 0){
this.activeEffects.remove(this.activeEffects.children[0]);
}
this.createTerrain(); // Reset terrain for the new character
// Update UI
document.getElementById('character-name').textContent = character.name;
document.getElementById('instructions').textContent = character.instructions;
document.querySelectorAll('.character-btn').forEach(btn => btn.classList.remove('active'));
document.getElementById(`${character.id}-btn`).classList.add('active');
// Set scene tint
this.scene.background = new THREE.Color(character.env.bgColor);
this.scene.fog.color.set(character.env.fogColor);
}
animate() {
requestAnimationFrame(this.animate.bind(this));
// Update active effects (particles, etc.)
this.activeEffects.children.forEach(effect => {
if(effect.userData.update) {
effect.userData.update();
}
});
this.controls.update();
this.renderer.render(this.scene, this.camera);
}
deformTerrain(position, strength, radius) {
const vertices = this.terrain.geometry.attributes.position;
const localPos = this.terrain.worldToLocal(position.clone());
for (let i = 0; i < vertices.count; i++) {
const v = new THREE.Vector3().fromBufferAttribute(vertices, i);
const dist = v.distanceTo(localPos);
if (dist < radius) {
const factor = (radius - dist) / radius;
const displacement = strength * Math.cos(factor * Math.PI / 2);
vertices.setZ(i, vertices.getZ(i) + displacement);
}
}
vertices.needsUpdate = true;
}
}
// --- L-SYSTEM ENGINE ---
class LSystem {
constructor({ axiom, rules, angle }) {
this.axiom = axiom;
this.rules = rules;
this.angle = angle * (Math.PI / 180); // Convert angle to radians
this.sentence = axiom;
}
generate(iterations) {
this.sentence = this.axiom;
for (let i = 0; i < iterations; i++) {
let nextSentence = '';
for (const char of this.sentence) {
nextSentence += this.rules[char] || char;
}
this.sentence = nextSentence;
}
return this.sentence;
}
}
// --- CHARACTER DEFINITIONS ---
const CHARACTERS = {
sephiroth: {
id: 'sephiroth',
name: 'Sephiroth, Fabled Soldier',
instructions: 'Click and drag to grow dark fractal wings across the land.',
env: { bgColor: 0x101018, fogColor: 0x101018 },
lSystem: new LSystem({
axiom: 'F',
rules: { 'F': 'F+F-F-F+F' },
angle: 90
}),
trigger: function(action) { // `this` is now the game engine instance
const iterations = Math.min(4, Math.floor(action.holdDuration / 400) + 1);
const sentence = this.activeCharacter.lSystem.generate(iterations);
this.activeCharacter.visualize(sentence, action.position, this);
this.deformTerrain(action.position, -1, 30);
},
visualize: function(sentence, startPos, engine) {
const material = new THREE.LineBasicMaterial({ color: 0xCCCCCC, transparent: true, opacity: 0.8 });
const points = [];
const state = {
pos: startPos.clone(),
dir: new THREE.Vector3(1, 0, 0),
len: 5 - (sentence.length / 500),
};
for (const char of sentence) {
if (char === 'F') {
const newPos = state.pos.clone().addScaledVector(state.dir, state.len);
points.push(state.pos.clone(), newPos.clone());
state.pos = newPos;
} else if (char === '+') {
state.dir.applyAxisAngle(new THREE.Vector3(0, 1, 0), this.lSystem.angle);
} else if (char === '-') {
state.dir.applyAxisAngle(new THREE.Vector3(0, 1, 0), -this.lSystem.angle);
}
}
const geometry = new THREE.BufferGeometry().setFromPoints(points);
const line = new THREE.LineSegments(geometry, material);
line.userData.life = 500; // frames
line.userData.update = () => {
line.material.opacity -= 0.002;
line.userData.life--;
if (line.userData.life <= 0) engine.activeEffects.remove(line);
};
engine.activeEffects.add(line);
}
},
yshtola: {
id: 'yshtola',
name: 'Y\'shtola, Night\'s Blessed',
instructions: 'Click to grow a spiraling floral ward.',
env: { bgColor: 0x181018, fogColor: 0x181018 },
lSystem: new LSystem({
axiom: 'X',
rules: { 'X': 'F-[[X]+X]+F[+FX]-X', 'F': 'FF' },
angle: 25
}),
trigger: function(action) { // `this` is now the game engine instance
const iterations = Math.min(4, Math.floor(action.holdDuration / 300) + 1);
const sentence = this.activeCharacter.lSystem.generate(iterations);
this.activeCharacter.visualize(sentence, action.position, this);
this.deformTerrain(action.position, 0.5, 20);
},
visualize: function(sentence, startPos, engine) {
const material = new THREE.PointsMaterial({ color: 0xc488ff, size: 0.5, transparent: true, blending: THREE.AdditiveBlending });
const points = [];
const stack = [];
const state = {
pos: startPos.clone(),
dir: new THREE.Vector3(0, 0, 1),
len: 2,
};
for (const char of sentence) {
switch (char) {
case 'F':
state.pos.addScaledVector(state.dir, state.len);
const newPoint = state.pos.clone();
newPoint.y += Math.sin(points.length * 0.1) * 2; // Add some wavy variance
points.push(newPoint);
break;
case '+':
state.dir.applyAxisAngle(new THREE.Vector3(0, 1, 0), this.lSystem.angle);
break;
case '-':
state.dir.applyAxisAngle(new THREE.Vector3(0, 1, 0), -this.lSystem.angle);
break;
case '[':
stack.push({ pos: state.pos.clone(), dir: state.dir.clone() });
break;
case ']':
const popped = stack.pop();
state.pos = popped.pos;
state.dir = popped.dir;
break;
}
}
const geometry = new THREE.BufferGeometry().setFromPoints(points);
const particles = new THREE.Points(geometry, material);
particles.userData.life = 600;
particles.userData.update = () => {
particles.material.opacity -= 0.0015;
particles.material.size -= 0.001;
particles.userData.life--;
if (particles.userData.life <= 0 || particles.material.size <=0) engine.activeEffects.remove(particles);
};
engine.activeEffects.add(particles);
}
},
vivi: {
id: 'vivi',
name: 'Vivi Ornitier, Fire Incarnate',
instructions: 'Hold and release to unleash a recursive fire blast.',
env: { bgColor: 0x181410, fogColor: 0x181410 },
lSystem: new LSystem({ // This L-System is for pattern, not structure
axiom: 'A',
rules: { 'A': 'AB', 'B': 'A' },
angle: 0 // Not used for this character
}),
trigger: function(action) { // `this` is now the game engine instance
const iterations = Math.min(8, Math.floor(action.holdDuration / 200) + 1);
const sentence = this.activeCharacter.lSystem.generate(iterations);
this.activeCharacter.visualize(sentence, action.position, this);
this.deformTerrain(action.position, -0.5, 10 + iterations * 2);
},
visualize: function(sentence, centerPos, engine) {
const count = sentence.length;
const material = new THREE.PointsMaterial({
size: 2,
color: 0xffb86c,
blending: THREE.AdditiveBlending,
transparent: true,
depthWrite: false,
});
for(let i = 0; i < count; i++) {
const geometry = new THREE.BufferGeometry();
geometry.setAttribute('position', new THREE.Float32BufferAttribute([0, 0, 0], 3));
const particle = new THREE.Points(geometry, material.clone());
particle.position.copy(centerPos);
const phi = Math.random() * Math.PI * 2;
const theta = Math.acos((Math.random() * 2) - 1);
const radius = (i / count) * (count / 10 + 5) * 1.5;
particle.userData.velocity = new THREE.Vector3(
radius * Math.sin(theta) * Math.cos(phi),
radius * Math.sin(theta) * Math.sin(phi),
radius * Math.cos(theta)
).multiplyScalar(0.01 + Math.random() * 0.02);
particle.userData.life = 100 + Math.random() * 100;
particle.userData.update = () => {
particle.position.add(particle.userData.velocity);
particle.userData.life--;
particle.material.opacity = (particle.userData.life / 150);
if (particle.userData.life <= 0) {
engine.activeEffects.remove(particle);
}
};
engine.activeEffects.add(particle);
}
}
}
};
// --- APPLICATION START ---
document.addEventListener('DOMContentLoaded', () => {
const game = new GameEngine();
// Bind UI buttons
document.getElementById('sephiroth-btn').addEventListener('click', () => game.setActiveCharacter(CHARACTERS.sephiroth));
document.getElementById('yshtola-btn').addEventListener('click', () => game.setActiveCharacter(CHARACTERS.yshtola));
document.getElementById('vivi-btn').addEventListener('click', () => game.setActiveCharacter(CHARACTERS.vivi));
});
</script>
</body>
</html>
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