添加关照、全局等高线、修改图层问题

static/sdk/three/jsm/nodes/display/AnamorphicNode.js

@@ -0,0 +1,148 @@
+import TempNode from '../core/TempNode.js';
+import { nodeObject, addNodeElement, tslFn, float, vec2, vec3, vec4 } from '../shadernode/ShaderNode.js';
+import { loop } from '../utils/LoopNode.js';
+import { uniform } from '../core/UniformNode.js';
+import { NodeUpdateType } from '../core/constants.js';
+import { threshold } from './ColorAdjustmentNode.js';
+import { uv } from '../accessors/UVNode.js';
+import { texturePass } from './PassNode.js';
+import { Vector2, RenderTarget } from 'three';
+import QuadMesh from '../../objects/QuadMesh.js';
+
+const quadMesh = new QuadMesh();
+
+class AnamorphicNode extends TempNode {
+
+	constructor( textureNode, tresholdNode, scaleNode, samples ) {
+
+		super( 'vec4' );
+
+		this.textureNode = textureNode;
+		this.tresholdNode = tresholdNode;
+		this.scaleNode = scaleNode;
+		this.colorNode = vec3( 0.1, 0.0, 1.0 );
+		this.samples = samples;
+		this.resolution = new Vector2( 1, 1 );
+
+		this._renderTarget = new RenderTarget();
+		this._renderTarget.texture.name = 'anamorphic';
+
+		this._invSize = uniform( new Vector2() );
+
+		this._textureNode = texturePass( this, this._renderTarget.texture );
+
+		this.updateBeforeType = NodeUpdateType.RENDER;
+
+	}
+
+	getTextureNode() {
+
+		return this._textureNode;
+
+	}
+
+	setSize( width, height ) {
+
+		this._invSize.value.set( 1 / width, 1 / height );
+
+		width = Math.max( Math.round( width * this.resolution.x ), 1 );
+		height = Math.max( Math.round( height * this.resolution.y ), 1 );
+
+		this._renderTarget.setSize( width, height );
+
+	}
+
+	updateBefore( frame ) {
+
+		const { renderer } = frame;
+
+		const textureNode = this.textureNode;
+		const map = textureNode.value;
+
+		this._renderTarget.texture.type = map.type;
+
+		const currentRenderTarget = renderer.getRenderTarget();
+		const currentTexture = textureNode.value;
+
+		quadMesh.material = this._material;
+
+		this.setSize( map.image.width, map.image.height );
+
+		// render
+
+		renderer.setRenderTarget( this._renderTarget );
+
+		quadMesh.render( renderer );
+
+		// restore
+
+		renderer.setRenderTarget( currentRenderTarget );
+		textureNode.value = currentTexture;
+
+	}
+
+	setup( builder ) {
+
+		const textureNode = this.textureNode;
+
+		if ( textureNode.isTextureNode !== true ) {
+
+			console.error( 'AnamorphNode requires a TextureNode.' );
+
+			return vec4();
+
+		}
+
+		//
+
+		const uvNode = textureNode.uvNode || uv();
+
+		const sampleTexture = ( uv ) => textureNode.cache().context( { getUV: () => uv, forceUVContext: true } );
+
+		const anamorph = tslFn( () => {
+
+			const samples = this.samples;
+			const halfSamples = Math.floor( samples / 2 );
+
+			const total = vec3( 0 ).toVar();
+
+			loop( { start: - halfSamples, end: halfSamples }, ( { i } ) => {
+
+				const softness = float( i ).abs().div( halfSamples ).oneMinus();
+
+				const uv = vec2( uvNode.x.add( this._invSize.x.mul( i ).mul( this.scaleNode ) ), uvNode.y );
+				const color = sampleTexture( uv );
+				const pass = threshold( color, this.tresholdNode ).mul( softness );
+
+				total.addAssign( pass );
+
+			} );
+
+			return total.mul( this.colorNode );
+
+		} );
+
+		//
+
+		const material = this._material || ( this._material = builder.createNodeMaterial() );
+		material.fragmentNode = anamorph();
+
+		//
+
+		const properties = builder.getNodeProperties( this );
+		properties.textureNode = textureNode;
+
+		//
+
+		return this._textureNode;
+
+	}
+
+}
+
+export const anamorphic = ( node, threshold = .9, scale = 3, samples = 32 ) => nodeObject( new AnamorphicNode( nodeObject( node ), nodeObject( threshold ), nodeObject( scale ), samples ) );
+
+addNodeElement( 'anamorphic', anamorphic );
+
+export default AnamorphicNode;
+