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Remove JSZip from example 'webgl2_rendertarget_texture2darray' #21243

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Feb 9, 2021
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Remove JSZip from example 'webgl2_rendertarget_texture2darray' #21243

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27 changes: 17 additions & 10 deletions examples/webgl2_rendertarget_texture2darray.html
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Original file line number Diff line number Diff line change
Expand Up @@ -38,7 +38,7 @@

void main()
{
float voxel = texture( uTexture, vec3( vUv, uDepth ) ).r;
float voxel = texture(uTexture, vec3( vUv, uDepth )).r;
gl_FragColor.r = (voxel - uSampleLeft) / uSampleWidth;
}

Expand Down Expand Up @@ -75,7 +75,6 @@

// lighten a bit
gl_FragColor = vec4( color.rrr * 1.5, 1.0 );

}
</script>
<body>
Expand Down Expand Up @@ -103,7 +102,7 @@
import * as THREE from '../build/three.module.js';

import Stats from './jsm/libs/stats.module.js';
import { JSZip } from './jsm/libs/jszip.module.min.js';
import { unzipSync } from './jsm/libs/fflate.module.min.js';

import { WEBGL } from './jsm/WebGL.js';

Expand All @@ -126,7 +125,7 @@
/** Post-processing objects */

const postProcessScene = new THREE.Scene();
const postProcessCamera = new THREE.OrthographicCamera( -1, 1, 1, -1, 0, 1 );
const postProcessCamera = new THREE.OrthographicCamera( - 1, 1, 1, - 1, 0, 1 );

const renderTargetTexture = new THREE.DataTexture2DArray();
renderTargetTexture.format = THREE.RedFormat;
Expand Down Expand Up @@ -192,8 +191,8 @@
.setResponseType( 'arraybuffer' )
.load( 'textures/3d/head256x256x109.zip', function ( data ) {

var zip = new JSZip( data );
var array = zip.files[ 'head256x256x109' ].asUint8Array();
var zip = unzipSync( new Uint8Array( data ) );
const array = new Uint8Array( zip[ 'head256x256x109' ].buffer );

const texture = new THREE.DataTexture2DArray( array, DIMENSIONS.width, DIMENSIONS.height, DIMENSIONS.depth );
texture.format = THREE.RedFormat;
Expand Down Expand Up @@ -248,7 +247,7 @@
postProcessMaterial.uniforms.uSampleLeft.value += deltaX;
postProcessMaterial.uniforms.uSampleWidth.value += deltaY;

App.mousePrevious.set(x, y);
App.mousePrevious.set( x, y );

}

Expand All @@ -265,7 +264,7 @@

requestAnimationFrame( animate );

var value = mesh.material.uniforms[ "depth" ].value;
var value = mesh.material.uniforms[ 'depth' ].value;

value += depthStep;

Expand All @@ -278,15 +277,18 @@

}

mesh.material.uniforms[ "depth" ].value = value;
mesh.material.uniforms[ 'depth' ].value = value;

render();

}

/**
* Renders the 2D array into the render target `renderTarget`.
*/
function renderTo2DArray() {

const layer = Math.floor( mesh.material.uniforms[ "depth" ].value );
const layer = Math.floor( mesh.material.uniforms[ 'depth' ].value );
postProcessMaterial.uniforms.uDepth.value = layer;
renderer.setRenderTarget( renderTarget, layer );
renderer.render( postProcessScene, postProcessCamera );
Expand All @@ -296,7 +298,12 @@

function render() {

// Step 1 - Render the input DataTexture2DArray into a
// DataTexture2DArray render target.
renderTo2DArray();

// Step 2 - Renders the scene containing the plane with a material
// sampling the render target texture.
renderer.render( scene, camera );

}
Expand Down