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Nodes: NormalNode - Improve tree shaking using TSL (#28408)
* NormalNode: Improve tree shaking using TSL * fix attribute default value
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Original file line number | Diff line number | Diff line change |
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@@ -1,106 +1,14 @@ | ||
import Node, { addNodeClass } from '../core/Node.js'; | ||
import { attribute } from '../core/AttributeNode.js'; | ||
import { varying } from '../core/VaryingNode.js'; | ||
import { property } from '../core/PropertyNode.js'; | ||
import { normalize } from '../math/MathNode.js'; | ||
import { cameraViewMatrix } from './CameraNode.js'; | ||
import { modelNormalMatrix } from './ModelNode.js'; | ||
import { nodeImmutable, vec3 } from '../shadernode/ShaderNode.js'; | ||
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class NormalNode extends Node { | ||
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constructor( scope = NormalNode.LOCAL ) { | ||
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super( 'vec3' ); | ||
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this.scope = scope; | ||
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} | ||
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isGlobal() { | ||
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return true; | ||
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} | ||
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getHash( /*builder*/ ) { | ||
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return `normal-${this.scope}`; | ||
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} | ||
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generate( builder ) { | ||
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const scope = this.scope; | ||
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let outputNode = null; | ||
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if ( scope === NormalNode.GEOMETRY ) { | ||
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const geometryAttribute = builder.hasGeometryAttribute( 'normal' ); | ||
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if ( geometryAttribute === false ) { | ||
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outputNode = vec3( 0, 1, 0 ); | ||
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} else { | ||
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outputNode = attribute( 'normal', 'vec3' ); | ||
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} | ||
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} else if ( scope === NormalNode.LOCAL ) { | ||
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outputNode = varying( normalGeometry ); | ||
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} else if ( scope === NormalNode.VIEW ) { | ||
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const vertexNode = modelNormalMatrix.mul( normalLocal ); | ||
outputNode = normalize( varying( vertexNode ) ); | ||
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} else if ( scope === NormalNode.WORLD ) { | ||
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// To use inverseTransformDirection only inverse the param order like this: cameraViewMatrix.transformDirection( normalView ) | ||
const vertexNode = normalView.transformDirection( cameraViewMatrix ); | ||
outputNode = normalize( varying( vertexNode ) ); | ||
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} | ||
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return outputNode.build( builder, this.getNodeType( builder ) ); | ||
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} | ||
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serialize( data ) { | ||
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super.serialize( data ); | ||
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data.scope = this.scope; | ||
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} | ||
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deserialize( data ) { | ||
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super.deserialize( data ); | ||
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this.scope = data.scope; | ||
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} | ||
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} | ||
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NormalNode.GEOMETRY = 'geometry'; | ||
NormalNode.LOCAL = 'local'; | ||
NormalNode.VIEW = 'view'; | ||
NormalNode.WORLD = 'world'; | ||
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export default NormalNode; | ||
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export const normalGeometry = nodeImmutable( NormalNode, NormalNode.GEOMETRY ); | ||
export const normalLocal = nodeImmutable( NormalNode, NormalNode.LOCAL ).temp( 'Normal' ); | ||
export const normalView = nodeImmutable( NormalNode, NormalNode.VIEW ); | ||
export const normalWorld = nodeImmutable( NormalNode, NormalNode.WORLD ); | ||
export const transformedNormalView = property( 'vec3', 'TransformedNormalView' ); | ||
export const transformedNormalWorld = transformedNormalView.transformDirection( cameraViewMatrix ).normalize(); | ||
export const transformedClearcoatNormalView = property( 'vec3', 'TransformedClearcoatNormalView' ); | ||
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addNodeClass( 'NormalNode', NormalNode ); | ||
import { vec3 } from '../shadernode/ShaderNode.js'; | ||
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export const normalGeometry = /*#__PURE__*/ attribute( 'normal', 'vec3', vec3( 0, 1, 0 ) ); | ||
export const normalLocal = /*#__PURE__*/ varying( normalGeometry ).toVar( 'normalLocal' ); | ||
export const normalView = /*#__PURE__*/ varying( modelNormalMatrix.mul( normalLocal ), 'normalView' ).normalize(); | ||
export const normalWorld = /*#__PURE__*/ varying( normalView.transformDirection( cameraViewMatrix ), 'normalWorld' ).normalize(); | ||
export const transformedNormalView = /*#__PURE__*/ property( 'vec3', 'transformedNormalView' ); | ||
export const transformedNormalWorld = /*#__PURE__*/ transformedNormalView.transformDirection( cameraViewMatrix ).normalize(); | ||
export const transformedClearcoatNormalView = /*#__PURE__*/ property( 'vec3', 'transformedClearcoatNormalView' ); |
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