diff --git a/examples/jsm/nodes/Nodes.js b/examples/jsm/nodes/Nodes.js index cd531ddc080ea9..818cd79b4a483b 100644 --- a/examples/jsm/nodes/Nodes.js +++ b/examples/jsm/nodes/Nodes.js @@ -56,8 +56,10 @@ export { CondNode } from './math/CondNode.js'; // procedural -export { NoiseNode } from './procedural/NoiseNode.js'; +export { Noise2DNode } from './procedural/Noise2DNode.js'; +export { Noise3DNode } from './procedural/Noise3DNode.js'; export { CheckerNode } from './procedural/CheckerNode.js'; +export { Fractal3DNode } from './procedural/Fractal3DNode.js'; // misc diff --git a/examples/jsm/nodes/procedural/Fractal3DNode.js b/examples/jsm/nodes/procedural/Fractal3DNode.js new file mode 100644 index 00000000000000..e399561579d12c --- /dev/null +++ b/examples/jsm/nodes/procedural/Fractal3DNode.js @@ -0,0 +1,105 @@ +import { TempNode } from '../core/TempNode.js'; +import { FunctionNode } from '../core/FunctionNode.js'; +import { FunctionCallNode } from '../core/FunctionCallNode.js'; +import { IntNode } from '../inputs/IntNode.js'; +import { FloatNode } from '../inputs/FloatNode.js'; +import { PositionNode } from '../accessors/PositionNode.js'; +import { Noise2DNode } from './Noise2DNode.js'; +import { Noise3DNode } from './Noise3DNode.js'; + +const FRACTAL3D_SRC = ` +float fractal3d( vec3 p, float amplitude, int octaves, float lacunarity, float diminish ) { + + float result = 0.0; + + for (int i = 0; i < octaves; ++i) { + + result += noise3d(p, amplitude, 0.0); + amplitude *= diminish; + p *= lacunarity; + + } + + return result; + +} +`.trim(); + +/** Fractional Brownian motion. */ +class Fractal3DNode extends TempNode { + + constructor( position = new PositionNode(), amplitude = new FloatNode( 1.0 ), octaves = 3.0, lacunarity = 2.0, diminish = 0.5 ) { + + super( 'f' ); + + this.position = position; + this.amplitude = amplitude; + this.octaves = new IntNode( octaves ).setReadonly( true ); + this.lacunarity = new FloatNode( lacunarity ).setReadonly( true ); + this.diminish = new FloatNode( diminish ).setReadonly( true ); + + } + + generate( builder, output ) { + + const fractal3d = new FunctionCallNode( Fractal3DNode.Nodes.fractal3d, [ + + this.position, + this.amplitude, + this.octaves, + this.lacunarity, + this.diminish, + + ] ); + + return builder.format( fractal3d.generate( builder, output ), this.getType( builder ), output ); + + } + + copy( source ) { + + super.copy( source ); + + this.position = source.position; + this.amplitude = source.amplitude; + this.octaves = source.octaves; + this.lacunarity = source.lacunarity; + this.diminish = source.diminish; + + } + + toJSON( meta ) { + + const data = this.getJSONNode( meta ); + + if ( ! data ) { + + data = this.createJSONNode( meta ); + + data.position = this.position.toJSON( meta ).uuid; + data.amplitude = this.amplitude.toJSON( meta ).uuid; + data.octaves = this.octaves.toJSON( meta ).uuid; + data.lacunarity = this.lacunarity.toJSON( meta ).uuid; + data.diminish = this.diminish.toJSON( meta ).uuid; + + } + + return data; + + } + +} + +Fractal3DNode.prototype.nodeType = 'Fractal3D'; + +Fractal3DNode.Nodes = (function () { + + const fractal3d = new FunctionNode( FRACTAL3D_SRC ); + + fractal3d.includes = [ Noise3DNode.Nodes.noise3d ]; + + return { fractal3d }; + +})(); + +export { Fractal3DNode }; diff --git a/examples/jsm/nodes/procedural/Noise2DNode.js b/examples/jsm/nodes/procedural/Noise2DNode.js new file mode 100644 index 00000000000000..5ec2ed1034ff4b --- /dev/null +++ b/examples/jsm/nodes/procedural/Noise2DNode.js @@ -0,0 +1,150 @@ +import { TempNode } from '../core/TempNode.js'; +import { FunctionNode } from '../core/FunctionNode.js'; +import { FunctionCallNode } from '../core/FunctionCallNode.js'; +import { IntNode } from '../inputs/IntNode.js'; +import { FloatNode } from '../inputs/FloatNode.js'; +import { UVNode } from '../accessors/UVNode.js'; + +const NOISE_COMMON_SRC = ` +vec3 mod289( vec3 x ) { + + return x - floor( x * ( 1.0 / 289.0 ) ) * 289.0; + +} + +vec4 mod289( vec4 x ) { + + return x - floor( x * ( 1.0 / 289.0 ) ) * 289.0; + +} + +vec4 permute( vec4 x ) { + + return mod289( ( ( x * 34.0 ) + 1.0 ) * x ); + +} + +vec4 taylorInvSqrt( vec4 r ) { + + return 1.79284291400159 - 0.85373472095314 * r; + +} + +vec2 fade( vec2 t ) { + + return t * t * t * ( t * ( t * 6.0 - 15.0 ) + 10.0 ); + +} + +vec3 fade( vec3 t ) { + + return t * t * t * ( t * ( t * 6.0 - 15.0 ) + 10.0 ); + +} +`.trim(); + +const NOISE2D_SRC = ` +float noise2d( vec2 P, float amplitude, float pivot ) { + + vec4 Pi = floor(P.xyxy) + vec4(0.0, 0.0, 1.0, 1.0); + vec4 Pf = fract(P.xyxy) - vec4(0.0, 0.0, 1.0, 1.0); + Pi = mod289(Pi); // To avoid truncation effects in permutation + vec4 ix = Pi.xzxz; + vec4 iy = Pi.yyww; + vec4 fx = Pf.xzxz; + vec4 fy = Pf.yyww; + + vec4 i = permute(permute(ix) + iy); + + vec4 gx = fract(i * (1.0 / 41.0)) * 2.0 - 1.0 ; + vec4 gy = abs(gx) - 0.5 ; + vec4 tx = floor(gx + 0.5); + gx = gx - tx; + + vec2 g00 = vec2(gx.x,gy.x); + vec2 g10 = vec2(gx.y,gy.y); + vec2 g01 = vec2(gx.z,gy.z); + vec2 g11 = vec2(gx.w,gy.w); + + vec4 norm = taylorInvSqrt(vec4(dot(g00, g00), dot(g01, g01), dot(g10, g10), dot(g11, g11))); + g00 *= norm.x; + g01 *= norm.y; + g10 *= norm.z; + g11 *= norm.w; + + float n00 = dot(g00, vec2(fx.x, fy.x)); + float n10 = dot(g10, vec2(fx.y, fy.y)); + float n01 = dot(g01, vec2(fx.z, fy.z)); + float n11 = dot(g11, vec2(fx.w, fy.w)); + + vec2 fade_xy = fade(Pf.xy); + vec2 n_x = mix(vec2(n00, n01), vec2(n10, n11), fade_xy.x); + float n_xy = mix(n_x.x, n_x.y, fade_xy.y); + return 2.3 * n_xy * amplitude + pivot; + +} +`.trim(); + +class Noise2DNode extends TempNode { + + constructor( uv = new UVNode(), amplitude = new FloatNode( 1.0 ), pivot = new FloatNode( 0.0 ) ) { + + super( 'f' ); + + this.uv = uv; + this.amplitude = amplitude; + this.pivot = pivot; + + } + + generate(builder, output) { + + const noise2d = new FunctionCallNode( Noise2DNode.Nodes.noise2d, [ this.uv, this.amplitude, this.pivot ] ); + return builder.format( noise2d.generate( builder, output ), this.getType( builder ), output ); + + } + + copy( source ) { + + super.copy( source ); + + this.uv = source.uv; + this.amplitude = source.amplitude; + this.pivot = source.pivot; + + } + + toJSON( meta ) { + + const data = this.getJSONNode( meta ); + + if ( ! data ) { + + data = this.createJSONNode( meta ); + + data.uv = this.uv.toJSON( meta ).uuid; + data.amplitude = this.amplitude.toJSON( meta ).uuid; + data.pivot = this.pivot.toJSON( meta ).uuid; + + } + + return data; + + } + +} + +Noise2DNode.prototype.nodeType = 'Noise2D'; + +Noise2DNode.Nodes = (function () { + + const noiseCommon = new FunctionNode( NOISE_COMMON_SRC ); + const noise2d = new FunctionNode( NOISE2D_SRC ); + + noise2d.includes = [ noiseCommon ]; + + return { noiseCommon, noise2d }; + +})(); + +export { Noise2DNode }; diff --git a/examples/jsm/nodes/procedural/Noise3DNode.js b/examples/jsm/nodes/procedural/Noise3DNode.js new file mode 100644 index 00000000000000..7667b10c934a3c --- /dev/null +++ b/examples/jsm/nodes/procedural/Noise3DNode.js @@ -0,0 +1,142 @@ +import { TempNode } from '../core/TempNode.js'; +import { FunctionNode } from '../core/FunctionNode.js'; +import { FunctionCallNode } from '../core/FunctionCallNode.js'; +import { IntNode } from '../inputs/IntNode.js'; +import { FloatNode } from '../inputs/FloatNode.js'; +import { PositionNode } from '../accessors/PositionNode.js'; +import { Noise2DNode } from './Noise2DNode.js'; + +const NOISE3D_SRC = ` +float noise3d( vec3 P, float amplitude, float pivot ) { + + vec3 Pi0 = floor(P); // Integer part for indexing + vec3 Pi1 = Pi0 + vec3(1.0); // Integer part + 1 + Pi0 = mod289(Pi0); + Pi1 = mod289(Pi1); + vec3 Pf0 = fract(P); // Fractional part for interpolation + vec3 Pf1 = Pf0 - vec3(1.0); // Fractional part - 1.0 + vec4 ix = vec4(Pi0.x, Pi1.x, Pi0.x, Pi1.x); + vec4 iy = vec4(Pi0.yy, Pi1.yy); + vec4 iz0 = Pi0.zzzz; + vec4 iz1 = Pi1.zzzz; + + vec4 ixy = permute(permute(ix) + iy); + vec4 ixy0 = permute(ixy + iz0); + vec4 ixy1 = permute(ixy + iz1); + + vec4 gx0 = ixy0 * (1.0 / 7.0); + vec4 gy0 = fract(floor(gx0) * (1.0 / 7.0)) - 0.5; + gx0 = fract(gx0); + vec4 gz0 = vec4(0.5) - abs(gx0) - abs(gy0); + vec4 sz0 = step(gz0, vec4(0.0)); + gx0 -= sz0 * (step(0.0, gx0) - 0.5); + gy0 -= sz0 * (step(0.0, gy0) - 0.5); + + vec4 gx1 = ixy1 * (1.0 / 7.0); + vec4 gy1 = fract(floor(gx1) * (1.0 / 7.0)) - 0.5; + gx1 = fract(gx1); + vec4 gz1 = vec4(0.5) - abs(gx1) - abs(gy1); + vec4 sz1 = step(gz1, vec4(0.0)); + gx1 -= sz1 * (step(0.0, gx1) - 0.5); + gy1 -= sz1 * (step(0.0, gy1) - 0.5); + + vec3 g000 = vec3(gx0.x,gy0.x,gz0.x); + vec3 g100 = vec3(gx0.y,gy0.y,gz0.y); + vec3 g010 = vec3(gx0.z,gy0.z,gz0.z); + vec3 g110 = vec3(gx0.w,gy0.w,gz0.w); + vec3 g001 = vec3(gx1.x,gy1.x,gz1.x); + vec3 g101 = vec3(gx1.y,gy1.y,gz1.y); + vec3 g011 = vec3(gx1.z,gy1.z,gz1.z); + vec3 g111 = vec3(gx1.w,gy1.w,gz1.w); + + vec4 norm0 = taylorInvSqrt(vec4(dot(g000, g000), dot(g010, g010), dot(g100, g100), dot(g110, g110))); + g000 *= norm0.x; + g010 *= norm0.y; + g100 *= norm0.z; + g110 *= norm0.w; + vec4 norm1 = taylorInvSqrt(vec4(dot(g001, g001), dot(g011, g011), dot(g101, g101), dot(g111, g111))); + g001 *= norm1.x; + g011 *= norm1.y; + g101 *= norm1.z; + g111 *= norm1.w; + + float n000 = dot(g000, Pf0); + float n100 = dot(g100, vec3(Pf1.x, Pf0.yz)); + float n010 = dot(g010, vec3(Pf0.x, Pf1.y, Pf0.z)); + float n110 = dot(g110, vec3(Pf1.xy, Pf0.z)); + float n001 = dot(g001, vec3(Pf0.xy, Pf1.z)); + float n101 = dot(g101, vec3(Pf1.x, Pf0.y, Pf1.z)); + float n011 = dot(g011, vec3(Pf0.x, Pf1.yz)); + float n111 = dot(g111, Pf1); + + vec3 fade_xyz = fade(Pf0); + vec4 n_z = mix(vec4(n000, n100, n010, n110), vec4(n001, n101, n011, n111), fade_xyz.z); + vec2 n_yz = mix(n_z.xy, n_z.zw, fade_xyz.y); + float n_xyz = mix(n_yz.x, n_yz.y, fade_xyz.x); + return 2.2 * n_xyz * amplitude + pivot; + +} +`.trim(); + +class Noise3DNode extends TempNode { + + constructor( position = new PositionNode(), amplitude = new FloatNode( 1.0 ), pivot = new FloatNode( 0.0 ) ) { + + super( 'f' ); + + this.position = position; + this.amplitude = amplitude; + this.pivot = pivot; + + } + + generate(builder, output) { + + const noise3d = new FunctionCallNode( Noise3DNode.Nodes.noise3d, [ this.position, this.amplitude, this.pivot ] ); + return builder.format( noise3d.generate( builder, output ), this.getType( builder ), output ); + + } + + copy( source ) { + + super.copy( source ); + + this.position = source.position; + this.amplitude = source.amplitude; + this.pivot = source.pivot; + + } + + toJSON( meta ) { + + const data = this.getJSONNode( meta ); + + if ( ! data ) { + + data = this.createJSONNode( meta ); + + data.position = this.position.toJSON( meta ).uuid; + data.amplitude = this.amplitude.toJSON( meta ).uuid; + data.pivot = this.pivot.toJSON( meta ).uuid; + + } + + return data; + + } + +} + +Noise3DNode.prototype.nodeType = 'Noise3D'; + +Noise3DNode.Nodes = (function () { + + const noise3d = new FunctionNode( NOISE3D_SRC ); + + noise3d.includes = [ Noise2DNode.Nodes.noiseCommon ]; + + return { noise3d }; + +})(); + +export { Noise3DNode }; diff --git a/examples/jsm/nodes/procedural/NoiseNode.js b/examples/jsm/nodes/procedural/NoiseNode.js deleted file mode 100644 index a25d3d2bc9afef..00000000000000 --- a/examples/jsm/nodes/procedural/NoiseNode.js +++ /dev/null @@ -1,69 +0,0 @@ -import { TempNode } from '../core/TempNode.js'; -import { FunctionNode } from '../core/FunctionNode.js'; -import { UVNode } from '../accessors/UVNode.js'; - -class NoiseNode extends TempNode { - - constructor( uv ) { - - super( 'f' ); - - this.uv = uv || new UVNode(); - - } - - generate( builder, output ) { - - const snoise = builder.include( NoiseNode.Nodes.snoise ); - - return builder.format( snoise + '( ' + this.uv.build( builder, 'v2' ) + ' )', this.getType( builder ), output ); - - } - - copy( source ) { - - super.copy( source ); - - this.uv = source.uv; - - return this; - - } - - toJSON( meta ) { - - let data = this.getJSONNode( meta ); - - if ( ! data ) { - - data = this.createJSONNode( meta ); - - data.uv = this.uv.toJSON( meta ).uuid; - - } - - return data; - - } - -} - -NoiseNode.Nodes = ( function () { - - const snoise = new FunctionNode( [ - 'float snoise(vec2 co) {', - - ' return fract( sin( dot( co.xy, vec2( 12.9898, 78.233 ) ) ) * 43758.5453 );', - - '}' - ].join( '\n' ) ); - - return { - snoise: snoise - }; - -} )(); - -NoiseNode.prototype.nodeType = 'Noise'; - -export { NoiseNode };