添加关照、全局等高线、修改图层问题

static/sdk/three/jsm/postprocessing/GlitchPass.js

@@ -0,0 +1,125 @@
+import {
+	DataTexture,
+	FloatType,
+	MathUtils,
+	RedFormat,
+	ShaderMaterial,
+	UniformsUtils
+} from 'three';
+import { Pass, FullScreenQuad } from './Pass.js';
+import { DigitalGlitch } from '../shaders/DigitalGlitch.js';
+
+class GlitchPass extends Pass {
+
+	constructor( dt_size = 64 ) {
+
+		super();
+
+		const shader = DigitalGlitch;
+
+		this.uniforms = UniformsUtils.clone( shader.uniforms );
+
+		this.heightMap = this.generateHeightmap( dt_size );
+
+		this.uniforms[ 'tDisp' ].value = this.heightMap;
+
+		this.material = new ShaderMaterial( {
+			uniforms: this.uniforms,
+			vertexShader: shader.vertexShader,
+			fragmentShader: shader.fragmentShader
+		} );
+
+		this.fsQuad = new FullScreenQuad( this.material );
+
+		this.goWild = false;
+		this.curF = 0;
+		this.generateTrigger();
+
+	}
+
+	render( renderer, writeBuffer, readBuffer /*, deltaTime, maskActive */ ) {
+
+		this.uniforms[ 'tDiffuse' ].value = readBuffer.texture;
+		this.uniforms[ 'seed' ].value = Math.random();//default seeding
+		this.uniforms[ 'byp' ].value = 0;
+
+		if ( this.curF % this.randX == 0 || this.goWild == true ) {
+
+			this.uniforms[ 'amount' ].value = Math.random() / 30;
+			this.uniforms[ 'angle' ].value = MathUtils.randFloat( - Math.PI, Math.PI );
+			this.uniforms[ 'seed_x' ].value = MathUtils.randFloat( - 1, 1 );
+			this.uniforms[ 'seed_y' ].value = MathUtils.randFloat( - 1, 1 );
+			this.uniforms[ 'distortion_x' ].value = MathUtils.randFloat( 0, 1 );
+			this.uniforms[ 'distortion_y' ].value = MathUtils.randFloat( 0, 1 );
+			this.curF = 0;
+			this.generateTrigger();
+
+		} else if ( this.curF % this.randX < this.randX / 5 ) {
+
+			this.uniforms[ 'amount' ].value = Math.random() / 90;
+			this.uniforms[ 'angle' ].value = MathUtils.randFloat( - Math.PI, Math.PI );
+			this.uniforms[ 'distortion_x' ].value = MathUtils.randFloat( 0, 1 );
+			this.uniforms[ 'distortion_y' ].value = MathUtils.randFloat( 0, 1 );
+			this.uniforms[ 'seed_x' ].value = MathUtils.randFloat( - 0.3, 0.3 );
+			this.uniforms[ 'seed_y' ].value = MathUtils.randFloat( - 0.3, 0.3 );
+
+		} else if ( this.goWild == false ) {
+
+			this.uniforms[ 'byp' ].value = 1;
+
+		}
+
+		this.curF ++;
+
+		if ( this.renderToScreen ) {
+
+			renderer.setRenderTarget( null );
+			this.fsQuad.render( renderer );
+
+		} else {
+
+			renderer.setRenderTarget( writeBuffer );
+			if ( this.clear ) renderer.clear();
+			this.fsQuad.render( renderer );
+
+		}
+
+	}
+
+	generateTrigger() {
+
+		this.randX = MathUtils.randInt( 120, 240 );
+
+	}
+
+	generateHeightmap( dt_size ) {
+
+		const data_arr = new Float32Array( dt_size * dt_size );
+		const length = dt_size * dt_size;
+
+		for ( let i = 0; i < length; i ++ ) {
+
+			const val = MathUtils.randFloat( 0, 1 );
+			data_arr[ i ] = val;
+
+		}
+
+		const texture = new DataTexture( data_arr, dt_size, dt_size, RedFormat, FloatType );
+		texture.needsUpdate = true;
+		return texture;
+
+	}
+
+	dispose() {
+
+		this.material.dispose();
+
+		this.heightMap.dispose();
+
+		this.fsQuad.dispose();
+
+	}
+
+}
+
+export { GlitchPass };