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• trois-master
  • .github
    • FUNDING.yml
  • src
    • geometries
      • TetrahedronGeometry.ts
      • ShapeGeometry.ts
      • Geometry.ts
      • ConeGeometry.ts
      • OctahedronGeometry.ts
      • index.ts
      • TorusGeometry.ts
      • PlaneGeometry.ts
      • CircleGeometry.ts
      • BoxGeometry.ts
      • RingGeometry.ts
      • LatheGeometry.ts
      • IcosahedronGeometry.ts
      • PolyhedronGeometry.ts
      • TubeGeometry.ts
      • ExtrudeGeometry.ts
      • DodecahedronGeometry.ts
      • TorusKnotGeometry.ts
      • CylinderGeometry.ts
      • SphereGeometry.ts
    • export.ts
    • materials
      • Material.ts
      • ShaderMaterial.ts
      • MatcapMaterial.ts
      • index.ts
      • CubeTexture.ts
      • VideoTexture.ts
      • types.ts
      • SubSurfaceMaterial.ts
      • SubsurfaceScatteringShader.ts
      • Texture.ts
    • shaders
      • default.ts
      • ZoomBlur.ts
      • TiltShift.ts
    • index.ts
    • models
      • GLTF.ts
      • FBX.ts
      • index.ts
      • Model.ts
    • meshes
      • Box.ts
      • Mesh.ts
      • Image.ts
      • InstancedMesh.ts
      • Sphere.ts
      • TorusKnot.ts
      • Tube.ts
      • Ring.ts
      • Sprite.ts
      • Octahedron.ts
      • index.ts
      • Dodecahedron.ts
      • Cylinder.ts
      • Plane.ts
      • Icosahedron.ts
      • Cone.ts
      • Text.ts
      • Lathe.ts
      • Polyhedron.ts
      • Torus.ts
      • Circle.ts
      • Tetrahedron.ts
      • Points.ts
    • components
      • sliders
        • Slider2.vue
        • AnimatedPlane.js
        • Slider1.vue
        • ZoomBlurImage.js
      • postprocessing
        • vanruesc
          • Effect.js
          • EffectPass.js
          • Pass.js
          • EffectComposer.js
          • index.js
      • physics
        • useCannon.js
        • CannonWorld.js
      • noisy
        • NoisyText.js
        • NoisySphere.js
        • NoisyPlane.js
        • NoisyImage.js
      • meshes
        • Gem.js
        • MirrorMesh.js
        • RefractionMesh.js
      • misc
        • VRButton.vue
        • Stats.js
      • liquid
        • LiquidPlane.js
        • LiquidEffect.js
    • plugin.ts
    • glsl
      • snoise4.glsl.js
      • snoise2.glsl.js
      • snoise3.glsl.js
    • tools.ts
    • main.ts
    • core
      • useThree.ts
      • usePointer.ts
      • Renderer.ts
      • Group.ts
      • index.ts
      • Camera.ts
      • Object3D.ts
      • useRaycaster.ts
      • Raycaster.ts
      • OrthographicCamera.ts
      • CubeCamera.ts
      • PerspectiveCamera.ts
      • Scene.ts
    • shims-vue.d.ts
    • App.vue
    • effects
      • EffectPass.ts
      • FXAAPass.ts
      • index.ts
      • SMAAPass.ts
      • UnrealBloomPass.ts
      • FilmPass.ts
      • EffectComposer.ts
      • HalftonePass.ts
      • SSAOPass.ts
      • BokehPass.ts
      • ZoomBlurPass.ts
      • RenderPass.ts
      • TiltShiftPass.ts
    • use
      • useTextures.ts
    • lights
      • HemisphereLight.ts
      • PointLight.ts
      • index.ts
      • DirectionalLight.ts
      • RectAreaLight.ts
      • AmbientLight.ts
      • Light.ts
      • SpotLight.ts
  • .npmignore
  • LICENSE
  • .devcontainer
    • devcontainer.json
  • vite.config.js
  • rollup.config.js
  • README.md
  • package.json
  • screenshots
  • index.html
  • .eslintrc.js
  • tsconfig.json
  • .gitignore
  • .vscode
    • settings.json

import { Texture, TextureLoader } from 'three'

export interface TextureConfigInterface {
  src: string
}

export interface TexturesInterface {
  loader: TextureLoader
  count: number
  textures: Texture[],
  loadProgress: number
  loadTextures(images: TextureConfigInterface[], cb: {() : void}): void
  dispose(): void
}

export default function useTextures(): TexturesInterface {
  const obj: TexturesInterface = {
    loader: new TextureLoader(),
    count: 0,
    textures: [],
    loadProgress: 0,
    loadTextures,
    dispose,
  }
  return obj

  function loadTextures(images: TextureConfigInterface[], cb: {() : void}) {
    obj.count = images.length
    obj.textures.splice(0)
    obj.loadProgress = 0
    Promise.all(images.map(loadTexture)).then(cb)
  }

  function loadTexture(img: TextureConfigInterface, index: number) {
    return new Promise(resolve => {
      obj.loader.load(
        img.src,
        texture => {
          obj.loadProgress += 1 / obj.count
          obj.textures[index] = texture
          resolve(texture)
        }
      )
    })
  }

  function dispose() {
    obj.textures.forEach(t => t.dispose())
  }
}