使用 Three.js 实现**量子纠缠效果着色器**，具体要求：

【核心特效】
- 多层量子纠缠场叠加
- 纠缠连接线可视化
- 两个纠缠粒子球体
- 蓝色/绿色/紫色三种量子态

【场景与光照】
- 深蓝色背景 (#003366 → #001122 径向渐变)
- OrbitControls 轨道控制器
- 自定义着色器实现纠缠效果

【交互与控制】
- OrbitControls 鼠标拖拽旋转
- 鼠标滚轮缩放
- GUI 面板调节纠缠强度、粒子密度、量子态等参数

【技术要求】
- Three.js 版本 (ES Module)
- 自定义顶点着色器实现纠缠变形
- 自定义片元着色器实现纠缠场和连接效果
- lil-gui 参数控制

float quantumEntanglement(vec2 uv, float strength) {
  float quantumField = 0.0;
  quantumField += sin(uv.x * 5.0 + uTime * 0.4) * cos(uv.y * 7.0 + uTime * 0.6);
  quantumField += sin(uv.x * 7.0 + uTime * 0.8) * cos(uv.y * 9.0 + uTime * 1.0) * 0.6;
  quantumField += sin(uv.x * 9.0 + uTime * 1.2) * cos(uv.y * 11.0 + uTime * 1.4) * 0.3;
  return quantumField * strength;
}

float entanglementConnections(vec2 uv, float intensity) {
  if(!uShowConnections) return 0.0;
  float connectionField = 0.0;
  for(int i = 0; i < 8; i++) {
    float angle = float(i) * 0.785; // 45度间隔
    vec2 connectionDir = vec2(cos(angle), sin(angle));
    float connectionDist = dot(uv - vec2(0.5, 0.5), connectionDir);
    float connectionWave = sin(connectionDist * 8.0 + uTime * 3.0);
    connectionField += connectionWave * 0.1 * intensity;
  }
  return connectionField;
}

uniform float uEntanglementStrength;
uniform float uQuantumState;
uniform float uWaveFunction;

void main() {
  float entanglement = sin(position.x * 4.0 + uTime * uEntanglementStrength) *
                      cos(position.y * 5.0 + uTime * uEntanglementStrength * 0.8) *
                      sin(position.z * 4.0 + uTime * uEntanglementStrength * 0.6);
  float quantumWave = sin(position.x * 6.0 + uTime * uQuantumState * 2.0) *
                     cos(position.z * 6.0 + uTime * uQuantumState * 2.0);
  float waveFunction = sin(position.x * uWaveFunction * 8.0) *
                      cos(position.y * uWaveFunction * 10.0);
  vec3 newPosition = position + normal * (entanglement + quantumWave * 0.5 + waveFunction * 0.3) * 0.15;
  gl_Position = projectionMatrix * modelViewMatrix * vec4(newPosition, 1.0);
}

vec3 getQuantumType(int type) {
  if(type == 0) {
    return vec3(0.2, 0.6, 1.0);  // 蓝色量子
  } else if(type == 1) {
    return vec3(0.2, 1.0, 0.4);  // 绿色量子
  } else {
    return vec3(0.8, 0.2, 1.0);  // 紫色量子
  }
}