Spaces:
Running
Running
File size: 3,039 Bytes
6cd9596 |
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 |
/**
* @author alteredq / http://alteredqualia.com/
*/
THREE.GlitchPass = function ( dt_size ) {
THREE.Pass.call( this );
if ( THREE.DigitalGlitch === undefined ) console.error( "THREE.GlitchPass relies on THREE.DigitalGlitch" );
var shader = THREE.DigitalGlitch;
this.uniforms = THREE.UniformsUtils.clone( shader.uniforms );
if ( dt_size == undefined ) dt_size = 64;
this.uniforms[ "tDisp" ].value = this.generateHeightmap( dt_size );
this.material = new THREE.ShaderMaterial( {
uniforms: this.uniforms,
vertexShader: shader.vertexShader,
fragmentShader: shader.fragmentShader
} );
this.fsQuad = new THREE.Pass.FullScreenQuad( this.material );
this.goWild = false;
this.curF = 0;
this.generateTrigger();
};
THREE.GlitchPass.prototype = Object.assign( Object.create( THREE.Pass.prototype ), {
constructor: THREE.GlitchPass,
render: function ( 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 = THREE.Math.randFloat( - Math.PI, Math.PI );
this.uniforms[ 'seed_x' ].value = THREE.Math.randFloat( - 1, 1 );
this.uniforms[ 'seed_y' ].value = THREE.Math.randFloat( - 1, 1 );
this.uniforms[ 'distortion_x' ].value = THREE.Math.randFloat( 0, 1 );
this.uniforms[ 'distortion_y' ].value = THREE.Math.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 = THREE.Math.randFloat( - Math.PI, Math.PI );
this.uniforms[ 'distortion_x' ].value = THREE.Math.randFloat( 0, 1 );
this.uniforms[ 'distortion_y' ].value = THREE.Math.randFloat( 0, 1 );
this.uniforms[ 'seed_x' ].value = THREE.Math.randFloat( - 0.3, 0.3 );
this.uniforms[ 'seed_y' ].value = THREE.Math.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: function () {
this.randX = THREE.Math.randInt( 120, 240 );
},
generateHeightmap: function ( dt_size ) {
var data_arr = new Float32Array( dt_size * dt_size * 3 );
var length = dt_size * dt_size;
for ( var i = 0; i < length; i ++ ) {
var val = THREE.Math.randFloat( 0, 1 );
data_arr[ i * 3 + 0 ] = val;
data_arr[ i * 3 + 1 ] = val;
data_arr[ i * 3 + 2 ] = val;
}
var texture = new THREE.DataTexture( data_arr, dt_size, dt_size, THREE.RGBFormat, THREE.FloatType );
texture.needsUpdate = true;
return texture;
}
} );
|