diorama.js

import * as THREE from 'three';
import {getRenderer} from './renderer.js';
import * as BufferGeometryUtils from 'three/examples/jsm/utils/BufferGeometryUtils.js';
// import {world} from './world.js';
// import {fitCameraToBoundingBox} from './util.js';
import {Text} from 'troika-three-text';
// import {defaultDioramaSize} from './constants.js';
import {fullscreenGeometry, gradients} from './background-fx/common.js';
import {OutlineBgFxMesh} from './background-fx/OutlineBgFx.js';
import {NoiseBgFxMesh} from './background-fx/NoiseBgFx.js';
import {PoisonBgFxMesh} from './background-fx/PoisonBgFx.js';
import {SmokeBgFxMesh} from './background-fx/SmokeBgFx.js';
import {GlyphBgFxMesh} from './background-fx/GlyphBgFx.js';
import {DotsBgFxMesh} from './background-fx/DotsBgFx.js';
import {LightningBgFxMesh} from './background-fx/LightningBgFx.js';
import {RadialBgFxMesh} from './background-fx/RadialBgFx.js';
import {GrassBgFxMesh} from './background-fx/GrassBgFx.js';

const localVector = new THREE.Vector3();
const localVector2 = new THREE.Vector3();
const localVector3 = new THREE.Vector3();
const localVector2D = new THREE.Vector2();
const localVector2D2 = new THREE.Vector2();
const localVector4D = new THREE.Vector4();
const localQuaternion = new THREE.Quaternion();
const localMatrix = new THREE.Matrix4();
const localColor = new THREE.Color();

// this function maps the speed histogram to a position, integrated up to the given timestamp
const mapTime = (speedHistogram = new SpeedHistogram, time = 0) => {
  const {elements} = speedHistogram;
  const totalDistance = speedHistogram.totalDistance();
  // const totalDuration = speedHistogram.totalDuration();
  // const totalDistance = this.totalDistance();
  let currentTime = 0;
  let currentDistance = 0;
  for (let i = 0; i < elements.length; i++) {
    const {speed, duration} = elements[i];
    if (time < currentTime + duration) {
      currentDistance += speed * (time - currentTime);
      break;
    } else {
      currentTime += duration;
      currentDistance += speed * duration;
    }
  }
  return currentDistance / totalDistance;
};
// a container class that stores instantaneous speed changes over time
class SpeedHistogram {
  constructor() {
    this.elements = [];
  }
  add(speed, duration) {
    this.elements.push({speed, duration});
  }
  totalDuration() {
    const {elements} = this;
    let totalDuration = 0;
    for (let i = 0; i < elements.length; i++) {
      totalDuration += elements[i].duration;
    }
    return totalDuration;
  }
  totalDistance() {
    const {elements} = this;
    // const totalDuration = this.totalDuration();
    let totalDistance = 0;
    for (let i = 0; i < elements.length; i++) {
      totalDistance += elements[i].speed * elements[i].duration;
    }
    return totalDistance;
  }
  fromArray(elements) {
    this.elements = elements;
    return this;
  }
  toArray(frameRate = 60, startTime = 0, endTime = this.totalDuration()) {
    // const {elements} = this;
    // const totalDuration = this.totalDuration();
    // const totalDistance = this.totalDistance();
    const startTimeSeconds = startTime / 1000;
    const endTimeSeconds = endTime / 1000;
    // const startPosition = mapTime(this, startTime);
    // const endPosition = mapTime(this, endTime);
    const frameCount = Math.ceil(endTimeSeconds - startTimeSeconds) * frameRate;
    const positions = [];
    for (let i = 0; i < frameCount; i++) {
      const time = startTimeSeconds + i / frameRate;
      const position = mapTime(this, time * 1000);
      // const normalizedPosition = position / totalDistance;
      positions.push(position);
    }
    return positions;
  }
}
const histogram = new SpeedHistogram().fromArray([
  {speed: 10, duration: 100},
  {speed: 0.05, duration: 2000},
  {speed: 10, duration: 100},
]).toArray(60);
const labelAnimationRate = 3;
const labelVertexShader = `\
  uniform float iTime;
  attribute vec3 color;
  varying vec2 tex_coords;
  varying vec3 vColor;

  float frames[${histogram.length}] = float[${histogram.length}](${histogram.map(v => v.toFixed(8)).join(', ')});
  float mapTime(float t) {
    t /= ${labelAnimationRate.toFixed(8)};
    t = mod(t, 1.);

    const float l = ${histogram.length.toFixed(8)};
    float frameIndexFloat = floor(min(t, 0.999) * l);
    //return frameIndexFloat / l;

    int frameIndex = int(frameIndexFloat);
    float leftFrame = frames[frameIndex];
    // return leftFrame;

    float rightFrame = frames[frameIndex + 1];
    float frameStartTime = frameIndexFloat / l;
    float frameDuration = 1. / (l - 1.);
    float factor = (t - frameStartTime) / frameDuration;
    float frame = leftFrame*(1.-factor) + rightFrame*factor;
    return frame;
  }

  void main() {
    tex_coords = uv;
    vColor = color;
    float t = mapTime(iTime);
    gl_Position = vec4(position.xy + vec2(-2. + t * 4., 0.) * position.z, -1., 1.);
  }
`;
const labelFragmentShader = `\
  varying vec2 tex_coords;
  varying vec3 vColor;

  vec2 rotateCCW(vec2 pos, float angle) { 
    float ca = cos(angle),  sa = sin(angle);
    return pos * mat2(ca, sa, -sa, ca);  
  }

  vec2 rotateCCW(vec2 pos, vec2 around, float angle) { 
    pos -= around;
    pos = rotateCCW(pos, angle);
    pos += around;
    return pos;
  }

  // return 1 if v inside the box, return 0 otherwise
  bool insideAABB(vec2 v, vec2 bottomLeft, vec2 topRight) {
      vec2 s = step(bottomLeft, v) - step(topRight, v);
      return s.x * s.y > 0.;   
  }

  bool isPointInTriangle(vec2 point, vec2 a, vec2 b, vec2 c) {
    vec2 v0 = c - a;
    vec2 v1 = b - a;
    vec2 v2 = point - a;

    float dot00 = dot(v0, v0);
    float dot01 = dot(v0, v1);
    float dot02 = dot(v0, v2);
    float dot11 = dot(v1, v1);
    float dot12 = dot(v1, v2);

    float invDenom = 1. / (dot00 * dot11 - dot01 * dot01);
    float u = (dot11 * dot02 - dot01 * dot12) * invDenom;
    float v = (dot00 * dot12 - dot01 * dot02) * invDenom;

    return (u >= 0.) && (v >= 0.) && (u + v < 1.);
  }

  void main() {
    vec3 c;
    if (vColor.r > 0.) {
      /* if (tex_coords.x <= 0.025 || tex_coords.x >= 0.975 || tex_coords.y <= 0.05 || tex_coords.y >= 0.95) {
        c = vec3(0.2);
      } else { */
        c = vec3(0.1 + tex_coords.y * 0.1);
      // }
    } else {
      c = vec3(0.);
    }
    gl_FragColor = vec4(c, 1.0);
  }
`;
const textVertexShader = `\
  uniform float uTroikaOutlineOpacity;
  // attribute vec3 color;
  attribute vec3 offset;
  attribute float scale;
  varying vec2 tex_coords;
  // varying vec3 vColor;

  float frames[${histogram.length}] = float[${histogram.length}](${histogram.map(v => v.toFixed(8)).join(', ')});
  float mapTime(float t) {
    t /= ${labelAnimationRate.toFixed(8)};
    t = mod(t, 1.);

    const float l = ${histogram.length.toFixed(8)};
    float frameIndexFloat = floor(min(t, 0.999) * l);
    //return frameIndexFloat / l;

    int frameIndex = int(frameIndexFloat);
    float leftFrame = frames[frameIndex];
    // return leftFrame;

    float rightFrame = frames[frameIndex + 1];
    float frameStartTime = frameIndexFloat / l;
    float frameDuration = 1. / (l - 1.);
    float factor = (t - frameStartTime) / frameDuration;
    float frame = leftFrame*(1.-factor) + rightFrame*factor;
    return frame;
  }

  void main() {
    tex_coords = uv;
    // vColor = color;

    float iTime = uTroikaOutlineOpacity;
    float t = mapTime(iTime);
    gl_Position = vec4(offset.xy + position.xy * scale + vec2(-2. + t * 4., 0.) * position.z, -1., 1.);
  }
`;
const textFragmentShader = `\
  void main() {
    gl_FragColor = vec4(vec3(1.), 1.);
  }
`;
async function makeTextMesh(
  text = '',
  material = null,
  font = '/fonts/Bangers-Regular.ttf',
  fontSize = 1,
  letterSpacing = 0,
  anchorX = 'left',
  anchorY = 'middle',
  color = 0x000000,
) {
  const textMesh = new Text();
  textMesh.text = text;
  if (material !== null) {
    textMesh.material = material;
  }
  textMesh.font = font;
  textMesh.fontSize = fontSize;
  textMesh.letterSpacing = letterSpacing;
  textMesh.color = color;
  textMesh.anchorX = anchorX;
  textMesh.anchorY = anchorY;
  textMesh.frustumCulled = false;
  await new Promise(accept => {
    textMesh.sync(accept);
  });
  return textMesh;
}
const lightningMesh = new LightningBgFxMesh();
const radialMesh = new RadialBgFxMesh();
const outlineMesh = new OutlineBgFxMesh();
const s1 = 0.4;
const sk1 = 0.2;
const speed1 = 1;
const aspectRatio1 = 0.3;
const p1 = new THREE.Vector3(0.45, -0.65, 0);
const s2 = 0.5;
const sk2 = 0.1;
const speed2 = 1.5;
const aspectRatio2 = 0.15;
const p2 = new THREE.Vector3(0.35, -0.825, 0);
const labelMesh = (() => {
  const _decorateGeometry = (g, color, z) => {
    const colors = new Float32Array(g.attributes.position.count * 3);
    for (let i = 0; i < colors.length; i += 3) {
      color.toArray(colors, i);
      g.attributes.position.array[i + 2] = z;
    }
    g.setAttribute('color', new THREE.BufferAttribute(colors, 3));
  };
  const g1 = fullscreenGeometry.clone()
    .applyMatrix4(
      new THREE.Matrix4()
        .makeShear(0, 0, sk1, 0, 0, 0)
    )
    .applyMatrix4(
      new THREE.Matrix4()
        .makeScale(s1, s1 * aspectRatio1, 1)
    )
    .applyMatrix4(
      new THREE.Matrix4()
        .makeTranslation(p1.x, p1.y, p1.z)
    );
  _decorateGeometry(g1, new THREE.Color(0xFFFFFF), speed1);
  const g2 = fullscreenGeometry.clone()
    .applyMatrix4(
      new THREE.Matrix4()
        .makeShear(0, 0, sk2, 0, 0, 0)
    )
    .applyMatrix4(
      new THREE.Matrix4()
        .makeScale(s2, s2 * aspectRatio2, 1)
    )
    .applyMatrix4(
      new THREE.Matrix4()
        .makeTranslation(p2.x, p2.y, p2.z)
    );
  _decorateGeometry(g2, new THREE.Color(0x000000), speed2);
  const geometry = BufferGeometryUtils.mergeBufferGeometries([
    g2,
    g1,
  ]);
  const quad = new THREE.Mesh(
    geometry,
    new THREE.ShaderMaterial({
      uniforms: {
        iTime: {
          value: 0,
          needsUpdate: false,
        },
        /* outline_thickness: {
          value: 0.02,
          needsUpdate: true,
        },
        outline_colour: {
          value: new THREE.Color(0, 0, 1),
          needsUpdate: true,
        },
        outline_threshold: {
          value: .5,
          needsUpdate: true,
        }, */
      },
      vertexShader: labelVertexShader,
      fragmentShader: labelFragmentShader,
    })
  );
  quad.frustumCulled = false;
  return quad;
})();
const grassMesh = new GrassBgFxMesh();
const poisonMesh = new PoisonBgFxMesh();
const noiseMesh = new NoiseBgFxMesh();
const smokeMesh = new SmokeBgFxMesh();
const glyphMesh = new GlyphBgFxMesh();
const dotsMesh = new DotsBgFxMesh();
const textObject = (() => {
  const o = new THREE.Object3D();
  
  const _decorateGeometry = (g, offset, z, scale) => {
    const offsets = new Float32Array(g.attributes.position.array.length);
    const scales = new Float32Array(g.attributes.position.count);
    for (let i = 0; i < g.attributes.position.array.length; i += 3) {
      offset.toArray(offsets, i);
      g.attributes.position.array[i + 2] = z;
      scales[i / 3] = scale;
    }
    g.setAttribute('offset', new THREE.BufferAttribute(offsets, 3));
    g.setAttribute('scale', new THREE.BufferAttribute(scales, 1));
  };
  const textMaterial = new THREE.ShaderMaterial({
    vertexShader: textVertexShader,
    fragmentShader: textFragmentShader,
  });
  (async () => {
    const nameMesh = await makeTextMesh(
      'Scillia',
      textMaterial,
      '/fonts/WinchesterCaps.ttf',
      1.25,
      0.05,
      'center',
      'middle',
      0xFFFFFF,
    );
    _decorateGeometry(nameMesh.geometry, p1, speed1, s1 * aspectRatio1);
    o.add(nameMesh);
  })();
  (async () => {
    const labelMesh = await makeTextMesh(
      'pledged to the lisk',
      textMaterial,
      '/fonts/Plaza Regular.ttf',
      1,
      0.02,
      'center',
      'middle',
      0xFFFFFF,
    );
    _decorateGeometry(labelMesh.geometry, p2, speed2, s2 * aspectRatio2);
    o.add(labelMesh);
  })();
  return o;
})();
const skinnedRedMaterial = (() => {
  let wVertex = THREE.ShaderLib["standard"].vertexShader;
  let wFragment = THREE.ShaderLib["standard"].fragmentShader;
  let wUniforms = THREE.UniformsUtils.clone(THREE.ShaderLib["standard"].uniforms);
  wUniforms.iTime = {
    value: 0,
    needsUpdate: false,
  };
  wFragment = `\
    void main() {
      gl_FragColor = vec4(1., 0., 0., 1.);
    }
  `;
  const material = new THREE.ShaderMaterial({
    uniforms: wUniforms,
    vertexShader: wVertex,
    fragmentShader: wFragment,
    // lights: true,
    // depthPacking: THREE.RGBADepthPacking,
    // name: "detail-material",
    // fog: true,
    extensions: {
      derivatives: true,
    },
    side: THREE.BackSide,
  });
  return material;
})();

const outlineRenderScene = new THREE.Scene();
outlineRenderScene.name = 'outlineRenderScene';
outlineRenderScene.autoUpdate = false;
outlineRenderScene.overrideMaterial = skinnedRedMaterial;

const sideScene = new THREE.Scene();
sideScene.name = 'sideScene';
sideScene.autoUpdate = false;
sideScene.add(lightningMesh);
sideScene.add(radialMesh);
sideScene.add(grassMesh);
sideScene.add(poisonMesh);
sideScene.add(noiseMesh);
sideScene.add(smokeMesh);
sideScene.add(glyphMesh);
sideScene.add(dotsMesh);
sideScene.add(outlineMesh);
sideScene.add(labelMesh);
sideScene.add(textObject);
/* const _addPreviewLights = scene => {
  const ambientLight = new THREE.AmbientLight(0xffffff, 2);
  scene.add(ambientLight);
  
  const directionalLight = new THREE.DirectionalLight(0xffffff, 2);
  directionalLight.position.set(1, 2, 3);
  directionalLight.updateMatrixWorld();
  scene.add(directionalLight);
};
_addPreviewLights(sideScene); */
const autoLights = (() => {
  const ambientLight = new THREE.AmbientLight(0xffffff, 2);

  const directionalLight = new THREE.DirectionalLight(0xffffff, 2);
  directionalLight.position.set(1, 2, 3);
  directionalLight.updateMatrixWorld();

  return [
    ambientLight,
    directionalLight,
  ];
})();
/* let sideSceneCompiled = false;
const _ensureSideSceneCompiled = () => {
  if (!sideSceneCompiled) {
    const renderer = getRenderer();
    renderer.compileAsync(sideScene);
    sideSceneCompiled = true;
  }
}; */

const _makeOutlineRenderTarget = (w, h) => new THREE.WebGLRenderTarget(w, h, {
  minFilter: THREE.LinearFilter,
  magFilter: THREE.LinearFilter,
  format: THREE.RGBAFormat,
});
const createPlayerDiorama = ({
  objects = [],
  target = new THREE.Object3D(),
  cameraOffset = new THREE.Vector3(0.3, 0, -0.5),
  clearColor = null,
  clearAlpha = 1,
  lights = true,
  label = null,
  outline = false,
  grassBackground = false,
  poisonBackground = false,
  noiseBackground = false,
  smokeBackground = false,
  lightningBackground = false,
  radialBackground = false,
  glyphBackground = false,
  dotsBackground = false,
  autoCamera = true,
  detached = false,
} = {}) => {
  // _ensureSideSceneCompiled();

  const {devicePixelRatio: pixelRatio} = window;

  const canvases = [];
  let outlineRenderTarget = null;
  let lastDisabledTime = 0;
  const sideCamera = new THREE.PerspectiveCamera();

  const diorama = {
    width: 0,
    height: 0,
    camera: sideCamera,
    // loaded: false,
    setTarget(newTarget) {
      target = newTarget;
    },
    setObjects(newObjects) {
      objects = newObjects;
    },
    getCanvases() {
      return canvases;
    },
    resetCanvases() {
      canvases.length = 0;
    },
    addCanvas(canvas) {
      const {width, height} = canvas;
      this.width = Math.max(this.width, width);
      this.height = Math.max(this.height, height);

      const ctx = canvas.getContext('2d');
      canvas.ctx = ctx;

      canvases.push(canvas);

      this.updateAspect();
    },
    setSize(width, height) {
      this.width = width;
      this.height = height;

      this.updateAspect();
    },
    updateAspect() {
      const newAspect = this.width / this.height;
      if (sideCamera.aspect !== newAspect) {
        sideCamera.aspect = newAspect;
        sideCamera.updateProjectionMatrix();
      }
    },
    removeCanvas(canvas) {
      const index = canvases.indexOf(canvas);
      if (index !== -1) {
        canvases.splice(index, 1);
      }
    },
    toggleShader() {
      const oldValues = {
        grassBackground,
        poisonBackground,
        noiseBackground,
        smokeBackground,
        lightningBackground,
        radialBackground,
        glyphBackground,
        dotsBackground,
      };
      grassBackground = false;
      poisonBackground = false;
      noiseBackground = false;
      smokeBackground = false;
      lightningBackground = false;
      radialBackground = false;
      glyphBackground = false;
      dotsBackground = false;
      if (oldValues.grassBackground) {
        poisonBackground = true;
      } else if (oldValues.poisonBackground) {
        noiseBackground = true;
      } else if (oldValues.noiseBackground) {
        smokeBackground = true;
      } else if (oldValues.smokeBackground) {
        lightningBackground = true;
      } else if (oldValues.lightningBackground) {
        radialBackground = true;
      } else if (oldValues.radialBackground) {
        glyphBackground = true;
      } else if (oldValues.glyphBackground) {
        grassBackground = true;
      }
    },
    triggerLoad() {
      Promise.all([
        /* (async () => {
          await renderer.compileAsync(player.avatar.model, outlineRenderScene);
        })(),
        (async () => {
          await renderer.compileAsync(player.avatar.model, sideScene);
        })(), */
      ]).then(() => {
        // this.loaded = true;
      });
    },
    setCameraOffset(newCameraOffset) {
      cameraOffset.copy(newCameraOffset);
    },
    setClearColor(newClearColor, newClearAlpha) {
      clearColor = newClearColor;
      clearAlpha = newClearAlpha;
    },
    update(timestamp, timeDiff) {
      if (canvases.length === 0) {
        lastDisabledTime = timestamp;
        return;
      }
      const timeOffset = timestamp - lastDisabledTime;

      const renderer = getRenderer();
      const size = renderer.getSize(localVector2D);
      /* // a Vector2 representing the largest power of two less than or equal to the current canvas size
      const sizePowerOfTwo = localVector2D2.set(
        Math.pow(2, Math.floor(Math.log(size.x) / Math.log(2))),
        Math.pow(2, Math.floor(Math.log(size.y) / Math.log(2))),
      ); */
      if (size.x < this.width || size.y < this.height) {
        console.warn('renderer is too small');
        return;
      }

      if (!outlineRenderTarget || (outlineRenderTarget.width !== this.width * pixelRatio) || (outlineRenderTarget.height !== this.height * pixelRatio)) {
        outlineRenderTarget = _makeOutlineRenderTarget(this.width * pixelRatio, this.height * pixelRatio);
      }

      const _addObjectsToScene = scene => {
        for (const object of objects) {
          scene.add(object);
        }
        if (lights) {
          for (const autoLight of autoLights) {
            scene.add(autoLight);
          }
        }
      };

      // push old state
      const oldParents = (() => {
        const parents = new WeakMap();
        for (const object of objects) {
          parents.set(object, object.parent);
        }
        return parents;
      })();
      const _restoreParents = () => {
        for (const object of objects) {
          const parent = oldParents.get(object);
          if (parent) {
            parent.add(object);
          } else {
            if (object.parent) {
              object.parent.remove(object);
            }
          }
        }
        if (lights) {
          for (const autoLight of autoLights) {
            autoLight.parent.remove(autoLight);
          }
        }
      };
      const oldRenderTarget = renderer.getRenderTarget();
      const oldViewport = renderer.getViewport(localVector4D);
      const oldClearColor = renderer.getClearColor(localColor);
      const oldClearAlpha = renderer.getClearAlpha();

      const _render = () => {
        if (autoCamera) {
          // set up side camera
          target.matrixWorld.decompose(localVector, localQuaternion, localVector2);
          const targetPosition = localVector;
          const targetQuaternion = localQuaternion;

          sideCamera.position.copy(targetPosition)
            .add(
              localVector2.set(cameraOffset.x, 0, cameraOffset.z)
                .applyQuaternion(targetQuaternion)
            );
          sideCamera.quaternion.setFromRotationMatrix(
            localMatrix.lookAt(
              sideCamera.position,
              targetPosition,
              localVector3.set(0, 1, 0)
            )
          );
          sideCamera.position.add(
            localVector2.set(0, cameraOffset.y, 0)
              .applyQuaternion(targetQuaternion)
          );
          sideCamera.updateMatrixWorld();
        }

        // set up side avatar scene
        _addObjectsToScene(outlineRenderScene);
        // outlineRenderScene.add(world.lights);
        // render side avatar scene
        renderer.setRenderTarget(outlineRenderTarget);
        renderer.setClearColor(0x000000, 0);
        renderer.clear();
        renderer.render(outlineRenderScene, sideCamera);
        
        // set up side scene
        _addObjectsToScene(sideScene);
        // sideScene.add(world.lights);
    
        const _renderGrass = () => {
          if (grassBackground) {
            grassMesh.update(timeOffset, timeDiff, this.width, this.height);
            grassMesh.visible = true;
          } else {
            grassMesh.visible = false;
          }
        };
        _renderGrass();
        const _renderPoison = () => {
          if (poisonBackground) {
            poisonMesh.update(timeOffset, timeDiff, this.width, this.height);
            poisonMesh.visible = true;
          } else {
            poisonMesh.visible = false;
          }
        };
        _renderPoison();
        const _renderNoise = () => {
          if (noiseBackground) {
            noiseMesh.update(timeOffset, timeDiff, this.width, this.height);
            noiseMesh.visible = true;
          } else {
            noiseMesh.visible = false;
          }
        };
        _renderNoise();
        const _renderSmoke = () => {
          if (smokeBackground) {
            smokeMesh.update(timeOffset, timeDiff, this.width, this.height);
            smokeMesh.visible = true;
          } else {
            smokeMesh.visible = false;
          }
        };
        _renderSmoke();
        const _renderLightning = () => {
          if (lightningBackground) {
            lightningMesh.update(timeOffset, timeDiff, this.width, this.height);
            lightningMesh.visible = true;
          } else {
            lightningMesh.visible = false;
          }
        };
        _renderLightning();
        const _renderRadial = () => {
          if (radialBackground) {
            radialMesh.update(timeOffset, timeDiff, this.width, this.height);
            radialMesh.visible = true;
          } else {
            radialMesh.visible = false;
          }
        };
        _renderRadial();
        const _renderGlyph = () => {
          if (glyphBackground) {
            glyphMesh.update(timeOffset, timeDiff, this.width, this.height);
            glyphMesh.visible = true;
          } else {
            glyphMesh.visible = false;
          }
        };
        _renderGlyph();
        const _renderDots = () => {
          if (dotsBackground) {
            dotsMesh.update(timeOffset, timeDiff, this.width, this.height);
            dotsMesh.visible = true;
          } else {
            dotsMesh.visible = false;
          }
        };
        _renderDots();
        const _renderOutline = () => {
          if (outline) {
            outlineMesh.update(timeOffset, timeDiff, this.width, this.height, outlineRenderTarget.texture);
            outlineMesh.visible = true;
          } else {
            outlineMesh.visible = false;
          }
        };
        _renderOutline();
        const _renderLabel = () => {
          if (label) {
            labelMesh.material.uniforms.iTime.value = timeOffset / 1000;
            labelMesh.material.uniforms.iTime.needsUpdate = true;
            labelMesh.visible = true;
            for (const child of textObject.children) {
              child.material.uniforms.uTroikaOutlineOpacity.value = timeOffset / 1000;
              child.material.uniforms.uTroikaOutlineOpacity.needsUpdate = true;
            }
            textObject.visible = true;
          } else {
            labelMesh.visible = false;
            textObject.visible = false;
          }
        };
        _renderLabel();
        
        // render side scene
        const _render = () => {
          renderer.setRenderTarget(oldRenderTarget);
          renderer.setViewport(0, 0, this.width, this.height);
          if (clearColor !== null) {
            renderer.setClearColor(clearColor, clearAlpha);
          }
          renderer.clear();
          renderer.render(sideScene, sideCamera);
        };
        _render();
        const _copyFrame = () => {
          for (const canvas of canvases) {
            const {width, height, ctx} = canvas;
            ctx.clearRect(0, 0, width, height);
            ctx.drawImage(
              renderer.domElement,
              0,
              size.y * pixelRatio - this.height * pixelRatio,
              this.width * pixelRatio,
              this.height * pixelRatio,
              0,
              0,
              width,
              height
            );
          }
        };
        _copyFrame();
      };
      _render();

      // pop old state
      _restoreParents();
      renderer.setRenderTarget(oldRenderTarget);
      renderer.setViewport(oldViewport);
      renderer.setClearColor(oldClearColor, oldClearAlpha);
    },
    destroy() {
      const index = dioramas.indexOf(diorama);
      if (index !== -1) {
        dioramas.splice(index, 1);
      }
    },
  };

  /* function recompile() {
    diorama.triggerLoad();
  }
  const compile = () => {
    diorama.triggerLoad();
    postProcessing.addEventListener('update', recompile);
  }
  if (player.avatar) {
    compile();
  } else {
    function avatarchange() {
      if (player.avatar) {
        compile();
        player.removeEventListener('avatarchange', avatarchange);
      }
    }
    player.addEventListener('avatarchange', avatarchange);
  } */

  if (!detached) {
    dioramas.push(diorama);
  }
  return diorama;
};

const dioramas = [];
const dioramaManager = {
  createPlayerDiorama,
  update(timestamp, timeDiff) {
    for (const diorama of dioramas) {
      diorama.update(timestamp, timeDiff);
    }
  }
};
export default dioramaManager;