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Remove ambient occlusion from webgpu_compute_particles_fluid example #31159

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Merged
Mugen87 merged 1 commit into from
May 26, 2025
Merged

Remove ambient occlusion from webgpu_compute_particles_fluid example #31159

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32 changes: 2 additions & 30 deletions examples/webgpu_compute_particles_fluid.html
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Original file line number Diff line number Diff line change
Expand Up @@ -28,9 +28,8 @@

import * as THREE from 'three';

import { Fn, If, Return, instancedArray, instanceIndex, uniform, attribute, uint, float, clamp, struct, atomicStore, int, ivec3, array, vec3, atomicAdd, Loop, atomicLoad, max, pow, mat3, vec4, cross, step, pass, mrt, output, normalView } from 'three/tsl';
import { Fn, If, Return, instancedArray, instanceIndex, uniform, attribute, uint, float, clamp, struct, atomicStore, int, ivec3, array, vec3, atomicAdd, Loop, atomicLoad, max, pow, mat3, vec4, cross, step } from 'three/tsl';

import { ao } from 'three/addons/tsl/display/GTAONode.js';
import { GUI } from 'three/addons/libs/lil-gui.module.min.js';
import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
import { RGBELoader } from 'three/addons/loaders/RGBELoader.js';
Expand All @@ -53,7 +52,6 @@
const mouseCoord = new THREE.Vector3();
const prevMouseCoord = new THREE.Vector3();
let mouseRayOriginUniform, mouseRayDirectionUniform, mouseForceUniform;
let postProcessing, aoPass, blendPassAO, scenePassColor;

if ( WebGPU.isAvailable() === false ) {

Expand All @@ -66,7 +64,6 @@

const params = {
particleCount: 8192 * 4,
ambientOcclusion: true,
};

init();
Expand Down Expand Up @@ -115,23 +112,6 @@

} );

gui.add( params, 'ambientOcclusion' );

// setting up post processing for ambient occlusion
postProcessing = new THREE.PostProcessing( renderer );
const scenePass = pass( scene, camera );
scenePass.setMRT( mrt( {
output: output,
normal: normalView
} ) );
scenePassColor = scenePass.getTextureNode( 'output' );
const scenePassNormal = scenePass.getTextureNode( 'normal' );
const scenePassDepth = scenePass.getTextureNode( 'depth' );
aoPass = ao( scenePassDepth, scenePassNormal, camera );
aoPass.resolutionScale = 0.5;
blendPassAO = aoPass.getTextureNode().mul( scenePassColor );
postProcessing.outputNode = blendPassAO;

window.addEventListener( 'resize', onWindowResize );
controls.update();
renderer.setAnimationLoop( render );
Expand Down Expand Up @@ -579,15 +559,7 @@

await renderer.computeAsync( [ clearGridKernel, p2g1Kernel, p2g2Kernel, updateGridKernel, g2pKernel ] );

if ( params.ambientOcclusion ) {

await postProcessing.renderAsync();

} else {

await renderer.renderAsync( scene, camera );

}
await renderer.renderAsync( scene, camera );

}

Expand Down