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PMREMGenerator extension: Now you can set texture size and position #30334

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PMREMGenerator extension: Now you can set texture size and position #30334

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b5e685c
Update WGSLNodeBuilder.js
Spiri0 Dec 2, 2024
381bb94
Merge pull request #3 from Spiri0/wgslTypeLib-extension
Spiri0 Dec 2, 2024
75ddd00
Merge branch 'mrdoob:dev' into dev
Spiri0 Dec 4, 2024
8f2e365
enables the use of samplers in compute shaders
Spiri0 Dec 4, 2024
4e0c37c
Merge pull request #4 from Spiri0/sampler_for_compute_shader
Spiri0 Dec 4, 2024
c479502
Merge branch 'mrdoob:dev' into dev
Spiri0 Dec 10, 2024
741bd64
Merge branch 'mrdoob:dev' into dev
Spiri0 Dec 11, 2024
12635d0
Update webgpu_pmrem_scene.html
Spiri0 Dec 13, 2024
eb0febd
Add files via upload
Spiri0 Dec 13, 2024
2029f8d
Update webgpu_pmrem_scene.html
Spiri0 Dec 13, 2024
86587c8
Add files via upload
Spiri0 Dec 13, 2024
6e3c35e
Update webgpu_pmrem_scene.html
Spiri0 Dec 13, 2024
f8961b8
Update webgpu_pmrem_scene.html
Spiri0 Dec 13, 2024
38eea72
Merge pull request #7 from Spiri0/update-PMREM-scene-example
Spiri0 Dec 13, 2024
e909a77
Merge branch 'mrdoob:dev' into dev
Spiri0 Jan 15, 2025
ce59025
Add size and position as parameters to the PMREMGenerator
Jan 16, 2025
2c3645a
Add size and position as parameters to the PMREMGenerator
Jan 16, 2025
f2c96ef
Add size and position as parameters to the PMREMGenerator
Jan 16, 2025
f6ea023
Add size and position as parameters to the PMREMGenerator
Jan 16, 2025
69f5a86
Add size and position as parameters to the PMREMGenerator
Jan 16, 2025
f47913b
Add size and position as parameters to the PMREMGenerator
Jan 16, 2025
958f730
Add size and position as parameters to the PMREMGenerator
Jan 16, 2025
c70daa3
Add size and position as parameters to the PMREMGenerator
Jan 16, 2025
39ea7b4
Add size and position as parameters to the PMREMGenerator
Jan 16, 2025
93dd2e9
Delete src/renderers/webgpu/nodes/WGSLNodeBuilder.js
Spiri0 Jan 16, 2025
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Add files via upload
Spiri0 Jan 16, 2025
77d2a68
update PR
Jan 20, 2025
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update PR
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update PR
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15 changes: 12 additions & 3 deletions examples/webgpu_pmrem_scene.html
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Original file line number Diff line number Diff line change
Expand Up @@ -63,42 +63,51 @@
scene.background = await loader.loadAsync( [ 'px.jpg', 'nx.jpg', 'py.jpg', 'ny.jpg', 'pz.jpg', 'nz.jpg' ] );

let model;
let center = new THREE.Vector3( 0.5, 0, 0 );


model = new THREE.Mesh( new THREE.SphereGeometry( .2, 64, 64 ), new THREE.MeshBasicMaterial( { color: 0x0000ff } ) );
model.position.copy( center );
model.position.z -= 1;
scene.add( model );

model = new THREE.Mesh( new THREE.SphereGeometry( .2, 64, 64 ), new THREE.MeshBasicMaterial( { color: 0xff0000 } ) );
model.position.copy( center );
model.position.z += 1;
scene.add( model );

model = new THREE.Mesh( new THREE.SphereGeometry( .2, 64, 64 ), new THREE.MeshBasicMaterial( { color: 0xff00ff } ) );
model.position.copy( center );
model.position.x += 1;
scene.add( model );

model = new THREE.Mesh( new THREE.SphereGeometry( .2, 64, 64 ), new THREE.MeshBasicMaterial( { color: 0x00ffff } ) );
model.position.copy( center );
model.position.x -= 1;
scene.add( model );

model = new THREE.Mesh( new THREE.SphereGeometry( .2, 64, 64 ), new THREE.MeshBasicMaterial( { color: 0xffff00 } ) );
model.position.copy( center );
model.position.y -= 1;
scene.add( model );

model = new THREE.Mesh( new THREE.SphereGeometry( .2, 64, 64 ), new THREE.MeshBasicMaterial( { color: 0x00ff00 } ) );
model.position.copy( center );
model.position.y += 1;
scene.add( model );

//while ( scene.children.length > 0 ) scene.remove( scene.children[ 0 ] );

const sceneRT = new THREE.PMREMGenerator( renderer ).fromScene( scene );

const sceneRT = new THREE.PMREMGenerator( renderer ).fromScene( scene, 0, 0.1, 100, 512, center );

//

const pmremRoughness = uniform( .5 );
const pmremNode = pmremTexture( sceneRT.texture, normalWorld, pmremRoughness );

scene.add( new THREE.Mesh( new THREE.SphereGeometry( .5, 64, 64 ), new THREE.MeshBasicNodeMaterial( { colorNode: pmremNode } ) ) );
const mirror = new THREE.Mesh( new THREE.SphereGeometry( .5, 64, 64 ), new THREE.MeshBasicNodeMaterial( { colorNode: pmremNode } ) );
mirror.position.copy( center );
scene.add( mirror );

// gui

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19 changes: 12 additions & 7 deletions src/extras/PMREMGenerator.js
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Expand Up @@ -107,9 +107,11 @@ class PMREMGenerator {
* @param {number} sigma
* @param {number} near
* @param {number} far
* @param {Number} size
* @param {Number} position
* @return {WebGLRenderTarget}
*/
fromScene( scene, sigma = 0, near = 0.1, far = 100 ) {
fromScene( scene, sigma = 0, near = 0.1, far = 100, size = 256, position = new Vector3( 0, 0, 0 ) ) {
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Couldn't we have these properties in class scope? e.g:

const sceneRT = new THREE.PMREMGenerator( renderer );
sceneRT.position = new THREE.Vector3( ... );
sceneRT.faceSize = 256;
sceneRT.fromScene( ... )

Maybe we will have more options in the future, that should help.

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@Mugen87 Mugen87 Jan 24, 2025 •
edited
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position and size are only relevant for fromScene() and have no purpose for the rest of the API. Hence, I would favor to keep both in the method signature. As a compromise, how about doing the following?

generator.fromScene( scene, sigma, near, far, options );

In this way, we can add position, size and potentially future configuration properties to options.

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Sounds good to me.


_oldTarget = this._renderer.getRenderTarget();
_oldActiveCubeFace = this._renderer.getActiveCubeFace();
Expand All @@ -118,12 +120,12 @@ class PMREMGenerator {

this._renderer.xr.enabled = false;

this._setSize( 256 );
this._setSize( size );

const cubeUVRenderTarget = this._allocateTargets();
cubeUVRenderTarget.depthBuffer = true;

this._sceneToCubeUV( scene, near, far, cubeUVRenderTarget );
this._sceneToCubeUV( scene, near, far, position, cubeUVRenderTarget );

if ( sigma > 0 ) {

Expand Down Expand Up @@ -320,7 +322,7 @@ class PMREMGenerator {

}

_sceneToCubeUV( scene, near, far, cubeUVRenderTarget ) {
_sceneToCubeUV( scene, near, far, position, cubeUVRenderTarget ) {

const fov = 90;
const aspect = 1;
Expand Down Expand Up @@ -372,17 +374,20 @@ class PMREMGenerator {
if ( col === 0 ) {

cubeCamera.up.set( 0, upSign[ i ], 0 );
cubeCamera.lookAt( forwardSign[ i ], 0, 0 );
cubeCamera.position.set( position.x, position.y, position.z );
cubeCamera.lookAt( position.x + forwardSign[ i ], position.y, position.z );

} else if ( col === 1 ) {

cubeCamera.up.set( 0, 0, upSign[ i ] );
cubeCamera.lookAt( 0, forwardSign[ i ], 0 );
cubeCamera.position.set( position.x, position.y, position.z );
cubeCamera.lookAt( position.x, position.y + forwardSign[ i ], position.z );

} else {

cubeCamera.up.set( 0, upSign[ i ], 0 );
cubeCamera.lookAt( 0, 0, forwardSign[ i ] );
cubeCamera.position.set( position.x, position.y, position.z );
cubeCamera.lookAt( position.x, position.y, position.z + forwardSign[ i ] );

}

Expand Down
19 changes: 12 additions & 7 deletions src/renderers/common/extras/PMREMGenerator.js
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Expand Up @@ -135,13 +135,15 @@ class PMREMGenerator {
* @param {Number} [sigma=0] - The blur radius in radians.
* @param {Number} [near=0.1] - The near plane distance.
* @param {Number} [far=100] - The far plane distance.
* @param {Number} [size=256] - The size (resolution) of the cube texture,
* @param {Number} [position = new Vector3( 0, 0, 0 )] - The cubeCamera position
* @param {RenderTarget?} [renderTarget=null] - The render target to use.
* @return {RenderTarget} The resulting PMREM.
* @see fromSceneAsync
*/
fromScene( scene, sigma = 0, near = 0.1, far = 100, renderTarget = null ) {
fromScene( scene, sigma = 0, near = 0.1, far = 100, size = 256, position = new Vector3( 0, 0, 0 ), renderTarget = null ) {

this._setSize( 256 );
this._setSize( size );

if ( this._hasInitialized === false ) {

Expand All @@ -162,7 +164,7 @@ class PMREMGenerator {
const cubeUVRenderTarget = renderTarget || this._allocateTargets();
cubeUVRenderTarget.depthBuffer = true;

this._sceneToCubeUV( scene, near, far, cubeUVRenderTarget );
this._sceneToCubeUV( scene, near, far, position, cubeUVRenderTarget );

if ( sigma > 0 ) {

Expand Down Expand Up @@ -458,7 +460,7 @@ class PMREMGenerator {

}

_sceneToCubeUV( scene, near, far, cubeUVRenderTarget ) {
_sceneToCubeUV( scene, near, far, position, cubeUVRenderTarget ) {

const cubeCamera = _cubeCamera;
cubeCamera.near = near;
Expand Down Expand Up @@ -528,17 +530,20 @@ class PMREMGenerator {
if ( col === 0 ) {

cubeCamera.up.set( 0, upSign[ i ], 0 );
cubeCamera.lookAt( forwardSign[ i ], 0, 0 );
cubeCamera.position.set( position.x, position.y, position.z );
cubeCamera.lookAt( position.x + forwardSign[ i ], position.y, position.z );

} else if ( col === 1 ) {

cubeCamera.up.set( 0, 0, upSign[ i ] );
cubeCamera.lookAt( 0, forwardSign[ i ], 0 );
cubeCamera.position.set( position.x, position.y, position.z );
cubeCamera.lookAt( position.x, position.y + forwardSign[ i ], position.z );

} else {

cubeCamera.up.set( 0, upSign[ i ], 0 );
cubeCamera.lookAt( 0, 0, forwardSign[ i ] );
cubeCamera.position.set( position.x, position.y, position.z );
cubeCamera.lookAt( position.x, position.y, position.z + forwardSign[ i ] );

}

Expand Down
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