three-stdlib/shaders/FresnelShader.cjs.map

stand-alone library of threejs examples

{"version":3,"file":"FresnelShader.cjs","sources":["../../src/shaders/FresnelShader.ts"],"sourcesContent":["/**\n * Based on Nvidia Cg tutorial\n */\n\nexport const FresnelShader = {\n  uniforms: {\n    mRefractionRatio: { value: 1.02 },\n    mFresnelBias: { value: 0.1 },\n    mFresnelPower: { value: 2.0 },\n    mFresnelScale: { value: 1.0 },\n    tCube: { value: null },\n  },\n\n  vertexShader: [\n    'uniform float mRefractionRatio;',\n    'uniform float mFresnelBias;',\n    'uniform float mFresnelScale;',\n    'uniform float mFresnelPower;',\n\n    'varying vec3 vReflect;',\n    'varying vec3 vRefract[3];',\n    'varying float vReflectionFactor;',\n\n    'void main() {',\n\n    '\tvec4 mvPosition = modelViewMatrix * vec4( position, 1.0 );',\n    '\tvec4 worldPosition = modelMatrix * vec4( position, 1.0 );',\n\n    '\tvec3 worldNormal = normalize( mat3( modelMatrix[0].xyz, modelMatrix[1].xyz, modelMatrix[2].xyz ) * normal );',\n\n    '\tvec3 I = worldPosition.xyz - cameraPosition;',\n\n    '\tvReflect = reflect( I, worldNormal );',\n    '\tvRefract[0] = refract( normalize( I ), worldNormal, mRefractionRatio );',\n    '\tvRefract[1] = refract( normalize( I ), worldNormal, mRefractionRatio * 0.99 );',\n    '\tvRefract[2] = refract( normalize( I ), worldNormal, mRefractionRatio * 0.98 );',\n    '\tvReflectionFactor = mFresnelBias + mFresnelScale * pow( 1.0 + dot( normalize( I ), worldNormal ), mFresnelPower );',\n\n    '\tgl_Position = projectionMatrix * mvPosition;',\n\n    '}',\n  ].join('\\n'),\n\n  fragmentShader: [\n    'uniform samplerCube tCube;',\n\n    'varying vec3 vReflect;',\n    'varying vec3 vRefract[3];',\n    'varying float vReflectionFactor;',\n\n    'void main() {',\n\n    '\tvec4 reflectedColor = textureCube( tCube, vec3( -vReflect.x, vReflect.yz ) );',\n    '\tvec4 refractedColor = vec4( 1.0 );',\n\n    '\trefractedColor.r = textureCube( tCube, vec3( -vRefract[0].x, vRefract[0].yz ) ).r;',\n    '\trefractedColor.g = textureCube( tCube, vec3( -vRefract[1].x, vRefract[1].yz ) ).g;',\n    '\trefractedColor.b = textureCube( tCube, vec3( -vRefract[2].x, vRefract[2].yz ) ).b;',\n\n    '\tgl_FragColor = mix( refractedColor, reflectedColor, clamp( vReflectionFactor, 0.0, 1.0 ) );',\n\n    '}',\n  ].join('\\n'),\n}\n"],"names":[],"mappings":";;AAIO,MAAM,gBAAgB;AAAA,EAC3B,UAAU;AAAA,IACR,kBAAkB,EAAE,OAAO,KAAK;AAAA,IAChC,cAAc,EAAE,OAAO,IAAI;AAAA,IAC3B,eAAe,EAAE,OAAO,EAAI;AAAA,IAC5B,eAAe,EAAE,OAAO,EAAI;AAAA,IAC5B,OAAO,EAAE,OAAO,KAAK;AAAA,EACvB;AAAA,EAEA,cAAc;AAAA,IACZ;AAAA,IACA;AAAA,IACA;AAAA,IACA;AAAA,IAEA;AAAA,IACA;AAAA,IACA;AAAA,IAEA;AAAA,IAEA;AAAA,IACA;AAAA,IAEA;AAAA,IAEA;AAAA,IAEA;AAAA,IACA;AAAA,IACA;AAAA,IACA;AAAA,IACA;AAAA,IAEA;AAAA,IAEA;AAAA,EAAA,EACA,KAAK,IAAI;AAAA,EAEX,gBAAgB;AAAA,IACd;AAAA,IAEA;AAAA,IACA;AAAA,IACA;AAAA,IAEA;AAAA,IAEA;AAAA,IACA;AAAA,IAEA;AAAA,IACA;AAAA,IACA;AAAA,IAEA;AAAA,IAEA;AAAA,EAAA,EACA,KAAK,IAAI;AACb;;"}