You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
116 lines
2.9 KiB
116 lines
2.9 KiB
2 years ago
|
import {
|
||
|
|
DataTexture,
|
||
|
|
FloatType,
|
||
|
|
MathUtils,
|
||
|
|
RGBFormat,
|
||
|
|
ShaderMaterial,
|
||
|
|
UniformsUtils
|
||
|
|
} from '../../../build/three.module.js';
|
||
|
|
import { Pass, FullScreenQuad } from '../postprocessing/Pass.js';
|
||
|
|
import { DigitalGlitch } from '../shaders/DigitalGlitch.js';
|
||
|
|
|
||
|
|
class GlitchPass extends Pass {
|
||
|
|
|
||
|
|
constructor( dt_size = 64 ) {
|
||
|
|
|
||
|
|
super();
|
||
|
|
|
||
|
|
if ( DigitalGlitch === undefined ) console.error( 'THREE.GlitchPass relies on DigitalGlitch' );
|
||
|
|
|
||
|
|
const shader = DigitalGlitch;
|
||
|
|
|
||
|
|
this.uniforms = UniformsUtils.clone( shader.uniforms );
|
||
|
|
|
||
|
|
this.uniforms[ 'tDisp' ].value = this.generateHeightmap( dt_size );
|
||
|
|
|
||
|
|
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 * 3 );
|
||
|
|
const length = dt_size * dt_size;
|
||
|
|
|
||
|
|
for ( let i = 0; i < length; i ++ ) {
|
||
|
|
|
||
|
|
const val = MathUtils.randFloat( 0, 1 );
|
||
|
|
data_arr[ i * 3 + 0 ] = val;
|
||
|
|
data_arr[ i * 3 + 1 ] = val;
|
||
|
|
data_arr[ i * 3 + 2 ] = val;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
return new DataTexture( data_arr, dt_size, dt_size, RGBFormat, FloatType );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
export { GlitchPass };
|