three-stdlib/objects/Reflector.cjs.map

stand-alone library of threejs examples

{"version":3,"file":"Reflector.cjs","sources":["../../src/objects/Reflector.js"],"sourcesContent":["import {\n  Color,\n  Matrix4,\n  Mesh,\n  PerspectiveCamera,\n  Plane,\n  ShaderMaterial,\n  UniformsUtils,\n  Vector3,\n  Vector4,\n  WebGLRenderTarget,\n  HalfFloatType,\n  NoToneMapping,\n} from 'three'\nimport { version } from '../_polyfill/constants'\n\nclass Reflector extends Mesh {\n  static ReflectorShader = {\n    uniforms: {\n      color: {\n        value: null,\n      },\n\n      tDiffuse: {\n        value: null,\n      },\n\n      textureMatrix: {\n        value: null,\n      },\n    },\n\n    vertexShader: /* glsl */ `\n\t\tuniform mat4 textureMatrix;\n\t\tvarying vec4 vUv;\n\n\t\t#include <common>\n\t\t#include <logdepthbuf_pars_vertex>\n\n\t\tvoid main() {\n\n\t\t\tvUv = textureMatrix * vec4( position, 1.0 );\n\n\t\t\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n\n\t\t\t#include <logdepthbuf_vertex>\n\n\t\t}`,\n\n    fragmentShader: /* glsl */ `\n\t\tuniform vec3 color;\n\t\tuniform sampler2D tDiffuse;\n\t\tvarying vec4 vUv;\n\n\t\t#include <logdepthbuf_pars_fragment>\n\n\t\tfloat blendOverlay( float base, float blend ) {\n\n\t\t\treturn( base < 0.5 ? ( 2.0 * base * blend ) : ( 1.0 - 2.0 * ( 1.0 - base ) * ( 1.0 - blend ) ) );\n\n\t\t}\n\n\t\tvec3 blendOverlay( vec3 base, vec3 blend ) {\n\n\t\t\treturn vec3( blendOverlay( base.r, blend.r ), blendOverlay( base.g, blend.g ), blendOverlay( base.b, blend.b ) );\n\n\t\t}\n\n\t\tvoid main() {\n\n\t\t\t#include <logdepthbuf_fragment>\n\n\t\t\tvec4 base = texture2DProj( tDiffuse, vUv );\n\t\t\tgl_FragColor = vec4( blendOverlay( base.rgb, color ), 1.0 );\n\n\t\t\t#include <tonemapping_fragment>\n\t\t\t#include <${version >= 154 ? 'colorspace_fragment' : 'encodings_fragment'}>\n\n\t\t}`,\n  }\n\n  constructor(geometry, options = {}) {\n    super(geometry)\n\n    this.isReflector = true\n\n    this.type = 'Reflector'\n    this.camera = new PerspectiveCamera()\n\n    const scope = this\n\n    const color = options.color !== undefined ? new Color(options.color) : new Color(0x7f7f7f)\n    const textureWidth = options.textureWidth || 512\n    const textureHeight = options.textureHeight || 512\n    const clipBias = options.clipBias || 0\n    const shader = options.shader || Reflector.ReflectorShader\n    const multisample = options.multisample !== undefined ? options.multisample : 4\n\n    //\n\n    const reflectorPlane = new Plane()\n    const normal = new Vector3()\n    const reflectorWorldPosition = new Vector3()\n    const cameraWorldPosition = new Vector3()\n    const rotationMatrix = new Matrix4()\n    const lookAtPosition = new Vector3(0, 0, -1)\n    const clipPlane = new Vector4()\n\n    const view = new Vector3()\n    const target = new Vector3()\n    const q = new Vector4()\n\n    const textureMatrix = new Matrix4()\n    const virtualCamera = this.camera\n\n    const renderTarget = new WebGLRenderTarget(textureWidth, textureHeight, {\n      samples: multisample,\n      type: HalfFloatType,\n    })\n\n    const material = new ShaderMaterial({\n      uniforms: UniformsUtils.clone(shader.uniforms),\n      fragmentShader: shader.fragmentShader,\n      vertexShader: shader.vertexShader,\n    })\n\n    material.uniforms['tDiffuse'].value = renderTarget.texture\n    material.uniforms['color'].value = color\n    material.uniforms['textureMatrix'].value = textureMatrix\n\n    this.material = material\n\n    this.onBeforeRender = function (renderer, scene, camera) {\n      reflectorWorldPosition.setFromMatrixPosition(scope.matrixWorld)\n      cameraWorldPosition.setFromMatrixPosition(camera.matrixWorld)\n\n      rotationMatrix.extractRotation(scope.matrixWorld)\n\n      normal.set(0, 0, 1)\n      normal.applyMatrix4(rotationMatrix)\n\n      view.subVectors(reflectorWorldPosition, cameraWorldPosition)\n\n      // Avoid rendering when reflector is facing away\n\n      if (view.dot(normal) > 0) return\n\n      view.reflect(normal).negate()\n      view.add(reflectorWorldPosition)\n\n      rotationMatrix.extractRotation(camera.matrixWorld)\n\n      lookAtPosition.set(0, 0, -1)\n      lookAtPosition.applyMatrix4(rotationMatrix)\n      lookAtPosition.add(cameraWorldPosition)\n\n      target.subVectors(reflectorWorldPosition, lookAtPosition)\n      target.reflect(normal).negate()\n      target.add(reflectorWorldPosition)\n\n      virtualCamera.position.copy(view)\n      virtualCamera.up.set(0, 1, 0)\n      virtualCamera.up.applyMatrix4(rotationMatrix)\n      virtualCamera.up.reflect(normal)\n      virtualCamera.lookAt(target)\n\n      virtualCamera.far = camera.far // Used in WebGLBackground\n\n      virtualCamera.updateMatrixWorld()\n      virtualCamera.projectionMatrix.copy(camera.projectionMatrix)\n\n      // Update the texture matrix\n      textureMatrix.set(0.5, 0.0, 0.0, 0.5, 0.0, 0.5, 0.0, 0.5, 0.0, 0.0, 0.5, 0.5, 0.0, 0.0, 0.0, 1.0)\n      textureMatrix.multiply(virtualCamera.projectionMatrix)\n      textureMatrix.multiply(virtualCamera.matrixWorldInverse)\n      textureMatrix.multiply(scope.matrixWorld)\n\n      // Now update projection matrix with new clip plane, implementing code from: http://www.terathon.com/code/oblique.html\n      // Paper explaining this technique: http://www.terathon.com/lengyel/Lengyel-Oblique.pdf\n      reflectorPlane.setFromNormalAndCoplanarPoint(normal, reflectorWorldPosition)\n      reflectorPlane.applyMatrix4(virtualCamera.matrixWorldInverse)\n\n      clipPlane.set(reflectorPlane.normal.x, reflectorPlane.normal.y, reflectorPlane.normal.z, reflectorPlane.constant)\n\n      const projectionMatrix = virtualCamera.projectionMatrix\n\n      q.x = (Math.sign(clipPlane.x) + projectionMatrix.elements[8]) / projectionMatrix.elements[0]\n      q.y = (Math.sign(clipPlane.y) + projectionMatrix.elements[9]) / projectionMatrix.elements[5]\n      q.z = -1.0\n      q.w = (1.0 + projectionMatrix.elements[10]) / projectionMatrix.elements[14]\n\n      // Calculate the scaled plane vector\n      clipPlane.multiplyScalar(2.0 / clipPlane.dot(q))\n\n      // Replacing the third row of the projection matrix\n      projectionMatrix.elements[2] = clipPlane.x\n      projectionMatrix.elements[6] = clipPlane.y\n      projectionMatrix.elements[10] = clipPlane.z + 1.0 - clipBias\n      projectionMatrix.elements[14] = clipPlane.w\n\n      // Render\n      scope.visible = false\n\n      const currentRenderTarget = renderer.getRenderTarget()\n\n      const currentXrEnabled = renderer.xr.enabled\n      const currentShadowAutoUpdate = renderer.shadowMap.autoUpdate\n      const currentToneMapping = renderer.toneMapping\n\n      let isSRGB = false\n      if ('outputColorSpace' in renderer) isSRGB = renderer.outputColorSpace === 'srgb'\n      else isSRGB = renderer.outputEncoding === 3001 // sRGBEncoding\n\n      renderer.xr.enabled = false // Avoid camera modification\n      renderer.shadowMap.autoUpdate = false // Avoid re-computing shadows\n      if ('outputColorSpace' in renderer) renderer.outputColorSpace = 'srgb-linear'\n      else renderer.outputEncoding = 3000 // LinearEncoding\n      renderer.toneMapping = NoToneMapping\n\n      renderer.setRenderTarget(renderTarget)\n\n      renderer.state.buffers.depth.setMask(true) // make sure the depth buffer is writable so it can be properly cleared, see #18897\n\n      if (renderer.autoClear === false) renderer.clear()\n      renderer.render(scene, virtualCamera)\n\n      renderer.xr.enabled = currentXrEnabled\n      renderer.shadowMap.autoUpdate = currentShadowAutoUpdate\n      renderer.toneMapping = currentToneMapping\n\n      if ('outputColorSpace' in renderer) renderer.outputColorSpace = isSRGB ? 'srgb' : 'srgb-linear'\n      else renderer.outputEncoding = isSRGB ? 3001 : 3000\n\n      renderer.setRenderTarget(currentRenderTarget)\n\n      // Restore viewport\n\n      const viewport = camera.viewport\n\n      if (viewport !== undefined) {\n        renderer.state.viewport(viewport)\n      }\n\n      scope.visible = true\n    }\n\n    this.getRenderTarget = function () {\n      return renderTarget\n    }\n\n    this.dispose = function () {\n      renderTarget.dispose()\n      scope.material.dispose()\n    }\n  }\n}\n\nexport { Reflector }\n"],"names":["Mesh","PerspectiveCamera","Color","Plane","Vector3","Matrix4","Vector4","WebGLRenderTarget","HalfFloatType","ShaderMaterial","UniformsUtils","NoToneMapping","version"],"mappings":";;;;;;;;;;AAgBA,MAAM,aAAN,cAAwBA,MAAAA,KAAK;AAAA,EAiE3B,YAAY,UAAU,UAAU,IAAI;AAClC,UAAM,QAAQ;AAEd,SAAK,cAAc;AAEnB,SAAK,OAAO;AACZ,SAAK,SAAS,IAAIC,wBAAmB;AAErC,UAAM,QAAQ;AAEd,UAAM,QAAQ,QAAQ,UAAU,SAAY,IAAIC,YAAM,QAAQ,KAAK,IAAI,IAAIA,MAAAA,MAAM,OAAQ;AACzF,UAAM,eAAe,QAAQ,gBAAgB;AAC7C,UAAM,gBAAgB,QAAQ,iBAAiB;AAC/C,UAAM,WAAW,QAAQ,YAAY;AACrC,UAAM,SAAS,QAAQ,UAAU,WAAU;AAC3C,UAAM,cAAc,QAAQ,gBAAgB,SAAY,QAAQ,cAAc;AAI9E,UAAM,iBAAiB,IAAIC,YAAO;AAClC,UAAM,SAAS,IAAIC,cAAS;AAC5B,UAAM,yBAAyB,IAAIA,cAAS;AAC5C,UAAM,sBAAsB,IAAIA,cAAS;AACzC,UAAM,iBAAiB,IAAIC,cAAS;AACpC,UAAM,iBAAiB,IAAID,MAAO,QAAC,GAAG,GAAG,EAAE;AAC3C,UAAM,YAAY,IAAIE,cAAS;AAE/B,UAAM,OAAO,IAAIF,cAAS;AAC1B,UAAM,SAAS,IAAIA,cAAS;AAC5B,UAAM,IAAI,IAAIE,cAAS;AAEvB,UAAM,gBAAgB,IAAID,cAAS;AACnC,UAAM,gBAAgB,KAAK;AAE3B,UAAM,eAAe,IAAIE,wBAAkB,cAAc,eAAe;AAAA,MACtE,SAAS;AAAA,MACT,MAAMC,MAAa;AAAA,IACzB,CAAK;AAED,UAAM,WAAW,IAAIC,qBAAe;AAAA,MAClC,UAAUC,MAAa,cAAC,MAAM,OAAO,QAAQ;AAAA,MAC7C,gBAAgB,OAAO;AAAA,MACvB,cAAc,OAAO;AAAA,IAC3B,CAAK;AAED,aAAS,SAAS,UAAU,EAAE,QAAQ,aAAa;AACnD,aAAS,SAAS,OAAO,EAAE,QAAQ;AACnC,aAAS,SAAS,eAAe,EAAE,QAAQ;AAE3C,SAAK,WAAW;AAEhB,SAAK,iBAAiB,SAAU,UAAU,OAAO,QAAQ;AACvD,6BAAuB,sBAAsB,MAAM,WAAW;AAC9D,0BAAoB,sBAAsB,OAAO,WAAW;AAE5D,qBAAe,gBAAgB,MAAM,WAAW;AAEhD,aAAO,IAAI,GAAG,GAAG,CAAC;AAClB,aAAO,aAAa,cAAc;AAElC,WAAK,WAAW,wBAAwB,mBAAmB;AAI3D,UAAI,KAAK,IAAI,MAAM,IAAI;AAAG;AAE1B,WAAK,QAAQ,MAAM,EAAE,OAAQ;AAC7B,WAAK,IAAI,sBAAsB;AAE/B,qBAAe,gBAAgB,OAAO,WAAW;AAEjD,qBAAe,IAAI,GAAG,GAAG,EAAE;AAC3B,qBAAe,aAAa,cAAc;AAC1C,qBAAe,IAAI,mBAAmB;AAEtC,aAAO,WAAW,wBAAwB,cAAc;AACxD,aAAO,QAAQ,MAAM,EAAE,OAAQ;AAC/B,aAAO,IAAI,sBAAsB;AAEjC,oBAAc,SAAS,KAAK,IAAI;AAChC,oBAAc,GAAG,IAAI,GAAG,GAAG,CAAC;AAC5B,oBAAc,GAAG,aAAa,cAAc;AAC5C,oBAAc,GAAG,QAAQ,MAAM;AAC/B,oBAAc,OAAO,MAAM;AAE3B,oBAAc,MAAM,OAAO;AAE3B,oBAAc,kBAAmB;AACjC,oBAAc,iBAAiB,KAAK,OAAO,gBAAgB;AAG3D,oBAAc,IAAI,KAAK,GAAK,GAAK,KAAK,GAAK,KAAK,GAAK,KAAK,GAAK,GAAK,KAAK,KAAK,GAAK,GAAK,GAAK,CAAG;AAChG,oBAAc,SAAS,cAAc,gBAAgB;AACrD,oBAAc,SAAS,cAAc,kBAAkB;AACvD,oBAAc,SAAS,MAAM,WAAW;AAIxC,qBAAe,8BAA8B,QAAQ,sBAAsB;AAC3E,qBAAe,aAAa,cAAc,kBAAkB;AAE5D,gBAAU,IAAI,eAAe,OAAO,GAAG,eAAe,OAAO,GAAG,eAAe,OAAO,GAAG,eAAe,QAAQ;AAEhH,YAAM,mBAAmB,cAAc;AAEvC,QAAE,KAAK,KAAK,KAAK,UAAU,CAAC,IAAI,iBAAiB,SAAS,CAAC,KAAK,iBAAiB,SAAS,CAAC;AAC3F,QAAE,KAAK,KAAK,KAAK,UAAU,CAAC,IAAI,iBAAiB,SAAS,CAAC,KAAK,iBAAiB,SAAS,CAAC;AAC3F,QAAE,IAAI;AACN,QAAE,KAAK,IAAM,iBAAiB,SAAS,EAAE,KAAK,iBAAiB,SAAS,EAAE;AAG1E,gBAAU,eAAe,IAAM,UAAU,IAAI,CAAC,CAAC;AAG/C,uBAAiB,SAAS,CAAC,IAAI,UAAU;AACzC,uBAAiB,SAAS,CAAC,IAAI,UAAU;AACzC,uBAAiB,SAAS,EAAE,IAAI,UAAU,IAAI,IAAM;AACpD,uBAAiB,SAAS,EAAE,IAAI,UAAU;AAG1C,YAAM,UAAU;AAEhB,YAAM,sBAAsB,SAAS,gBAAiB;AAEtD,YAAM,mBAAmB,SAAS,GAAG;AACrC,YAAM,0BAA0B,SAAS,UAAU;AACnD,YAAM,qBAAqB,SAAS;AAEpC,UAAI,SAAS;AACb,UAAI,sBAAsB;AAAU,iBAAS,SAAS,qBAAqB;AAAA;AACtE,iBAAS,SAAS,mBAAmB;AAE1C,eAAS,GAAG,UAAU;AACtB,eAAS,UAAU,aAAa;AAChC,UAAI,sBAAsB;AAAU,iBAAS,mBAAmB;AAAA;AAC3D,iBAAS,iBAAiB;AAC/B,eAAS,cAAcC,MAAa;AAEpC,eAAS,gBAAgB,YAAY;AAErC,eAAS,MAAM,QAAQ,MAAM,QAAQ,IAAI;AAEzC,UAAI,SAAS,cAAc;AAAO,iBAAS,MAAO;AAClD,eAAS,OAAO,OAAO,aAAa;AAEpC,eAAS,GAAG,UAAU;AACtB,eAAS,UAAU,aAAa;AAChC,eAAS,cAAc;AAEvB,UAAI,sBAAsB;AAAU,iBAAS,mBAAmB,SAAS,SAAS;AAAA;AAC7E,iBAAS,iBAAiB,SAAS,OAAO;AAE/C,eAAS,gBAAgB,mBAAmB;AAI5C,YAAM,WAAW,OAAO;AAExB,UAAI,aAAa,QAAW;AAC1B,iBAAS,MAAM,SAAS,QAAQ;AAAA,MACjC;AAED,YAAM,UAAU;AAAA,IACjB;AAED,SAAK,kBAAkB,WAAY;AACjC,aAAO;AAAA,IACR;AAED,SAAK,UAAU,WAAY;AACzB,mBAAa,QAAS;AACtB,YAAM,SAAS,QAAS;AAAA,IACzB;AAAA,EACF;AACH;AA/OA,IAAM,YAAN;AACE,cADI,WACG,mBAAkB;AAAA,EACvB,UAAU;AAAA,IACR,OAAO;AAAA,MACL,OAAO;AAAA,IACR;AAAA,IAED,UAAU;AAAA,MACR,OAAO;AAAA,IACR;AAAA,IAED,eAAe;AAAA,MACb,OAAO;AAAA,IACR;AAAA,EACF;AAAA,EAED;AAAA;AAAA,IAAyB;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA,EAiBzB;AAAA;AAAA,IAA2B;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA,eA2BhBC,qBAAW,MAAM,wBAAwB;AAAA;AAAA;AAAA;AAGrD;;"}