{"version":3,"file":"GlitchPass.cjs","sources":["../../src/postprocessing/GlitchPass.ts"],"sourcesContent":["import { Pass, FullScreenQuad } from './Pass'\nimport {\n DataTexture,\n FloatType,\n MathUtils,\n RedFormat,\n LuminanceFormat,\n ShaderMaterial,\n UniformsUtils,\n WebGLRenderTarget,\n WebGLRenderer,\n IUniform,\n} from 'three'\nimport { DigitalGlitch } from '../shaders/DigitalGlitch'\n\nclass GlitchPass extends Pass {\n public material: ShaderMaterial\n public fsQuad: FullScreenQuad\n public goWild: boolean\n public curF: number\n public randX!: number\n\n public uniforms: Record>\n\n constructor(dt_size = 64) {\n super()\n this.uniforms = UniformsUtils.clone(DigitalGlitch.uniforms)\n this.uniforms['tDisp'].value = this.generateHeightmap(dt_size)\n\n this.material = new ShaderMaterial({\n uniforms: this.uniforms,\n vertexShader: DigitalGlitch.vertexShader,\n fragmentShader: DigitalGlitch.fragmentShader,\n })\n\n this.fsQuad = new FullScreenQuad(this.material)\n this.goWild = false\n this.curF = 0\n this.generateTrigger()\n }\n\n public render(\n renderer: WebGLRenderer,\n writeBuffer: WebGLRenderTarget,\n readBuffer: WebGLRenderTarget,\n /*, deltaTime, maskActive */\n ): void {\n if (renderer.capabilities.isWebGL2 === false) this.uniforms['tDisp'].value.format = LuminanceFormat\n\n this.uniforms['tDiffuse'].value = readBuffer.texture\n this.uniforms['seed'].value = Math.random() //default seeding\n this.uniforms['byp'].value = 0\n\n if (this.curF % this.randX == 0 || this.goWild == true) {\n this.uniforms['amount'].value = Math.random() / 30\n this.uniforms['angle'].value = MathUtils.randFloat(-Math.PI, Math.PI)\n this.uniforms['seed_x'].value = MathUtils.randFloat(-1, 1)\n this.uniforms['seed_y'].value = MathUtils.randFloat(-1, 1)\n this.uniforms['distortion_x'].value = MathUtils.randFloat(0, 1)\n this.uniforms['distortion_y'].value = MathUtils.randFloat(0, 1)\n this.curF = 0\n this.generateTrigger()\n } else if (this.curF % this.randX < this.randX / 5) {\n this.uniforms['amount'].value = Math.random() / 90\n this.uniforms['angle'].value = MathUtils.randFloat(-Math.PI, Math.PI)\n this.uniforms['distortion_x'].value = MathUtils.randFloat(0, 1)\n this.uniforms['distortion_y'].value = MathUtils.randFloat(0, 1)\n this.uniforms['seed_x'].value = MathUtils.randFloat(-0.3, 0.3)\n this.uniforms['seed_y'].value = MathUtils.randFloat(-0.3, 0.3)\n } else if (this.goWild == false) {\n this.uniforms['byp'].value = 1\n }\n\n this.curF++\n\n if (this.renderToScreen) {\n renderer.setRenderTarget(null)\n this.fsQuad.render(renderer)\n } else {\n renderer.setRenderTarget(writeBuffer)\n if (this.clear) renderer.clear()\n this.fsQuad.render(renderer)\n }\n }\n\n generateTrigger(): void {\n this.randX = MathUtils.randInt(120, 240)\n }\n\n generateHeightmap(dt_size: number): DataTexture {\n const data_arr = new Float32Array(dt_size * dt_size)\n const length = dt_size * dt_size\n\n for (let i = 0; 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