Spaces:
Running
Running
File size: 2,638 Bytes
a28eca3 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 |
import { Matrix3, NodeMaterial } from 'three/webgpu';
import { clamp, nodeObject, Fn, vec4, uv, uniform, max } from 'three/tsl';
import StereoCompositePassNode from './StereoCompositePassNode.js';
/** @module AnaglyphPassNode **/
/**
* A render pass node that creates an anaglyph effect.
*
* @augments StereoCompositePassNode
*/
class AnaglyphPassNode extends StereoCompositePassNode {
static get type() {
return 'AnaglyphPassNode';
}
/**
* Constructs a new anaglyph pass node.
*
* @param {Scene} scene - The scene to render.
* @param {Camera} camera - The camera to render the scene with.
*/
constructor( scene, camera ) {
super( scene, camera );
/**
* This flag can be used for type testing.
*
* @type {Boolean}
* @readonly
* @default true
*/
this.isAnaglyphPassNode = true;
// Dubois matrices from https://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.7.6968&rep=rep1&type=pdf#page=4
/**
* Color matrix node for the left eye.
*
* @type {UniformNode<mat3>}
*/
this._colorMatrixLeft = uniform( new Matrix3().fromArray( [
0.456100, - 0.0400822, - 0.0152161,
0.500484, - 0.0378246, - 0.0205971,
0.176381, - 0.0157589, - 0.00546856
] ) );
/**
* Color matrix node for the right eye.
*
* @type {UniformNode<mat3>}
*/
this._colorMatrixRight = uniform( new Matrix3().fromArray( [
- 0.0434706, 0.378476, - 0.0721527,
- 0.0879388, 0.73364, - 0.112961,
- 0.00155529, - 0.0184503, 1.2264
] ) );
}
/**
* This method is used to setup the effect's TSL code.
*
* @param {NodeBuilder} builder - The current node builder.
* @return {PassTextureNode}
*/
setup( builder ) {
const uvNode = uv();
const anaglyph = Fn( () => {
const colorL = this._mapLeft.sample( uvNode );
const colorR = this._mapRight.sample( uvNode );
const color = clamp( this._colorMatrixLeft.mul( colorL.rgb ).add( this._colorMatrixRight.mul( colorR.rgb ) ) );
return vec4( color.rgb, max( colorL.a, colorR.a ) );
} );
const material = this._material || ( this._material = new NodeMaterial() );
material.fragmentNode = anaglyph().context( builder.getSharedContext() );
material.name = 'Anaglyph';
material.needsUpdate = true;
return super.setup( builder );
}
}
export default AnaglyphPassNode;
/**
* TSL function for creating an anaglyph pass node.
*
* @function
* @param {Scene} scene - The scene to render.
* @param {Camera} camera - The camera to render the scene with.
* @returns {AnaglyphPassNode}
*/
export const anaglyphPass = ( scene, camera ) => nodeObject( new AnaglyphPassNode( scene, camera ) );
|