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three-stdlib

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stand-alone library of threejs examples

github.com/pmndrs/three-stdlib

pmndrs/three-stdlib

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{"version":3,"file":"ToonShader.cjs","sources":["../../src/shaders/ToonShader.ts"],"sourcesContent":["import { Color, Vector3 } from 'three'\n\n/**\n * Currently contains:\n *\n *\ttoon1\n *\ttoon2\n *\thatching\n *\tdotted\n */\n\nexport const ToonShader1 = {\n uniforms: {\n uDirLightPos: { value: new Vector3() },\n uDirLightColor: { value: new Color(0xeeeeee) },\n\n uAmbientLightColor: { value: new Color(0x050505) },\n\n uBaseColor: { value: new Color(0xffffff) },\n },\n\n vertexShader: [\n 'varying vec3 vNormal;',\n 'varying vec3 vRefract;',\n\n 'void main() {',\n\n '\tvec4 worldPosition = modelMatrix * vec4( position, 1.0 );',\n '\tvec4 mvPosition = modelViewMatrix * vec4( position, 1.0 );',\n '\tvec3 worldNormal = normalize ( mat3( modelMatrix[0].xyz, modelMatrix[1].xyz, modelMatrix[2].xyz ) * normal );',\n\n '\tvNormal = normalize( normalMatrix * normal );',\n\n '\tvec3 I = worldPosition.xyz - cameraPosition;',\n '\tvRefract = refract( normalize( I ), worldNormal, 1.02 );',\n\n '\tgl_Position = projectionMatrix * mvPosition;',\n\n '}',\n ].join('\\n'),\n\n fragmentShader: [\n 'uniform vec3 uBaseColor;',\n\n 'uniform vec3 uDirLightPos;',\n 'uniform vec3 uDirLightColor;',\n\n 'uniform vec3 uAmbientLightColor;',\n\n 'varying vec3 vNormal;',\n\n 'varying vec3 vRefract;',\n\n 'void main() {',\n\n '\tfloat directionalLightWeighting = max( dot( normalize( vNormal ), uDirLightPos ), 0.0);',\n '\tvec3 lightWeighting = uAmbientLightColor + uDirLightColor * directionalLightWeighting;',\n\n '\tfloat intensity = smoothstep( - 0.5, 1.0, pow( length(lightWeighting), 20.0 ) );',\n '\tintensity += length(lightWeighting) * 0.2;',\n\n '\tfloat cameraWeighting = dot( normalize( vNormal ), vRefract );',\n '\tintensity += pow( 1.0 - length( cameraWeighting ), 6.0 );',\n '\tintensity = intensity * 0.2 + 0.3;',\n\n '\tif ( intensity < 0.50 ) {',\n\n '\t\tgl_FragColor = vec4( 2.0 * intensity * uBaseColor, 1.0 );',\n\n '\t} else {',\n\n '\t\tgl_FragColor = vec4( 1.0 - 2.0 * ( 1.0 - intensity ) * ( 1.0 - uBaseColor ), 1.0 );',\n\n '}',\n\n '}',\n ].join('\\n'),\n}\n\nexport const ToonShader2 = {\n uniforms: {\n uDirLightPos: { value: new Vector3() },\n uDirLightColor: { value: new Color(0xeeeeee) },\n\n uAmbientLightColor: { value: new Color(0x050505) },\n\n uBaseColor: { value: new Color(0xeeeeee) },\n uLineColor1: { value: new Color(0x808080) },\n uLineColor2: { value: new Color(0x000000) },\n uLineColor3: { value: new Color(0x000000) },\n uLineColor4: { value: new Color(0x000000) },\n },\n\n vertexShader: [\n 'varying vec3 vNormal;',\n\n 'void main() {',\n\n '\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );',\n '\tvNormal = normalize( normalMatrix * normal );',\n\n '}',\n ].join('\\n'),\n\n fragmentShader: [\n 'uniform vec3 uBaseColor;',\n 'uniform vec3 uLineColor1;',\n 'uniform vec3 uLineColor2;',\n 'uniform vec3 uLineColor3;',\n 'uniform vec3 uLineColor4;',\n\n 'uniform vec3 uDirLightPos;',\n 'uniform vec3 uDirLightColor;',\n\n 'uniform vec3 uAmbientLightColor;',\n\n 'varying vec3 vNormal;',\n\n 'void main() {',\n\n '\tfloat camera = max( dot( normalize( vNormal ), vec3( 0.0, 0.0, 1.0 ) ), 0.4);',\n '\tfloat light = max( dot( normalize( vNormal ), uDirLightPos ), 0.0);',\n\n '\tgl_FragColor = vec4( uBaseColor, 1.0 );',\n\n '\tif ( length(uAmbientLightColor + uDirLightColor * light) < 1.00 ) {',\n\n '\t\tgl_FragColor *= vec4( uLineColor1, 1.0 );',\n\n '\t}',\n\n '\tif ( length(uAmbientLightColor + uDirLightColor * camera) < 0.50 ) {',\n\n '\t\tgl_FragColor *= vec4( uLineColor2, 1.0 );',\n\n '\t}',\n\n '}',\n ].join('\\n'),\n}\n\nexport const ToonShaderHatching = {\n uniforms: {\n uDirLightPos: { value: new Vector3() },\n uDirLightColor: { value: new Color(0xeeeeee) },\n\n uAmbientLightColor: { value: new Color(0x050505) },\n\n uBaseColor: { value: new Color(0xffffff) },\n uLineColor1: { value: new Color(0x000000) },\n uLineColor2: { value: new Color(0x000000) },\n uLineColor3: { value: new Color(0x000000) },\n uLineColor4: { value: new Color(0x000000) },\n },\n\n vertexShader: [\n 'varying vec3 vNormal;',\n\n 'void main() {',\n\n '\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );',\n '\tvNormal = normalize( normalMatrix * normal );',\n\n '}',\n ].join('\\n'),\n\n fragmentShader: [\n 'uniform vec3 uBaseColor;',\n 'uniform vec3 uLineColor1;',\n 'uniform vec3 uLineColor2;',\n 'uniform vec3 uLineColor3;',\n 'uniform vec3 uLineColor4;',\n\n 'uniform vec3 uDirLightPos;',\n 'uniform vec3 uDirLightColor;',\n\n 'uniform vec3 uAmbientLightColor;',\n\n 'varying vec3 vNormal;',\n\n 'void main() {',\n\n '\tfloat directionalLightWeighting = max( dot( normalize(vNormal), uDirLightPos ), 0.0);',\n '\tvec3 lightWeighting = uAmbientLightColor + uDirLightColor * directionalLightWeighting;',\n\n '\tgl_FragColor = vec4( uBaseColor, 1.0 );',\n\n '\tif ( length(lightWeighting) < 1.00 ) {',\n\n '\t\tif ( mod(gl_FragCoord.x + gl_FragCoord.y, 10.0) == 0.0) {',\n\n '\t\t\tgl_FragColor = vec4( uLineColor1, 1.0 );',\n\n '\t\t}',\n\n '\t}',\n\n '\tif ( length(lightWeighting) < 0.75 ) {',\n\n '\t\tif (mod(gl_FragCoord.x - gl_FragCoord.y, 10.0) == 0.0) {',\n\n '\t\t\tgl_FragColor = vec4( uLineColor2, 1.0 );',\n\n '\t\t}',\n\n '\t}',\n\n '\tif ( length(lightWeighting) < 0.50 ) {',\n\n '\t\tif (mod(gl_FragCoord.x + gl_FragCoord.y - 5.0, 10.0) == 0.0) {',\n\n '\t\t\tgl_FragColor = vec4( uLineColor3, 1.0 );',\n\n '\t\t}',\n\n '\t}',\n\n '\tif ( length(lightWeighting) < 0.3465 ) {',\n\n '\t\tif (mod(gl_FragCoord.x - gl_FragCoord.y - 5.0, 10.0) == 0.0) {',\n\n '\t\t\tgl_FragColor = vec4( uLineColor4, 1.0 );',\n\n '\t}',\n\n '\t}',\n\n '}',\n ].join('\\n'),\n}\n\nexport const ToonShaderDotted = {\n uniforms: {\n uDirLightPos: { value: new Vector3() },\n uDirLightColor: { value: new Color(0xeeeeee) },\n\n uAmbientLightColor: { value: new Color(0x050505) },\n\n uBaseColor: { value: new Color(0xffffff) },\n uLineColor1: { value: new Color(0x000000) },\n },\n\n vertexShader: [\n 'varying vec3 vNormal;',\n\n 'void main() {',\n\n '\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );',\n '\tvNormal = normalize( normalMatrix * normal );',\n\n '}',\n ].join('\\n'),\n\n fragmentShader: [\n 'uniform vec3 uBaseColor;',\n 'uniform vec3 uLineColor1;',\n 'uniform vec3 uLineColor2;',\n 'uniform vec3 uLineColor3;',\n 'uniform vec3 uLineColor4;',\n\n 'uniform vec3 uDirLightPos;',\n 'uniform vec3 uDirLightColor;',\n\n 'uniform vec3 uAmbientLightColor;',\n\n 'varying vec3 vNormal;',\n\n 'void main() {',\n\n 'float directionalLightWeighting = max( dot( normalize(vNormal), uDirLightPos ), 0.0);',\n 'vec3 lightWeighting = uAmbientLightColor + uDirLightColor * directionalLightWeighting;',\n\n 'gl_FragColor = vec4( uBaseColor, 1.0 );',\n\n 'if ( length(lightWeighting) < 1.00 ) {',\n\n '\t\tif ( ( mod(gl_FragCoord.x, 4.001) + mod(gl_FragCoord.y, 4.0) ) > 6.00 ) {',\n\n '\t\t\tgl_FragColor = vec4( uLineColor1, 1.0 );',\n\n '\t\t}',\n\n '\t}',\n\n '\tif ( length(lightWeighting) < 0.50 ) {',\n\n '\t\tif ( ( mod(gl_FragCoord.x + 2.0, 4.001) + mod(gl_FragCoord.y + 2.0, 4.0) ) > 6.00 ) {',\n\n '\t\t\tgl_FragColor = vec4( uLineColor1, 1.0 );',\n\n '\t\t}',\n\n '\t}',\n\n '}',\n 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