83 lines
2.0 KiB
JavaScript
83 lines
2.0 KiB
JavaScript
import { StereoCamera, Vector2, PostProcessingUtils } from 'three';
|
|
import { PassNode, nodeObject } from 'three/tsl';
|
|
|
|
const _size = /*@__PURE__*/ new Vector2();
|
|
|
|
let _rendererState;
|
|
|
|
class StereoPassNode extends PassNode {
|
|
|
|
static get type() {
|
|
|
|
return 'StereoPassNode';
|
|
|
|
}
|
|
|
|
constructor( scene, camera ) {
|
|
|
|
super( PassNode.COLOR, scene, camera );
|
|
|
|
this.isStereoPassNode = true;
|
|
|
|
this.stereo = new StereoCamera();
|
|
this.stereo.aspect = 0.5;
|
|
|
|
}
|
|
|
|
updateBefore( frame ) {
|
|
|
|
const { renderer } = frame;
|
|
const { scene, camera, stereo, renderTarget } = this;
|
|
|
|
_rendererState = PostProcessingUtils.resetRendererState( renderer, _rendererState );
|
|
|
|
//
|
|
|
|
this._pixelRatio = renderer.getPixelRatio();
|
|
|
|
stereo.cameraL.coordinateSystem = renderer.coordinateSystem;
|
|
stereo.cameraR.coordinateSystem = renderer.coordinateSystem;
|
|
stereo.update( camera );
|
|
|
|
const size = renderer.getSize( _size );
|
|
this.setSize( size.width, size.height );
|
|
|
|
renderer.autoClear = false;
|
|
|
|
this._cameraNear.value = camera.near;
|
|
this._cameraFar.value = camera.far;
|
|
|
|
for ( const name in this._previousTextures ) {
|
|
|
|
this.toggleTexture( name );
|
|
|
|
}
|
|
|
|
renderer.setRenderTarget( renderTarget );
|
|
renderer.setMRT( this._mrt );
|
|
renderer.clear();
|
|
|
|
renderTarget.scissorTest = true;
|
|
|
|
renderTarget.scissor.set( 0, 0, renderTarget.width / 2, renderTarget.height );
|
|
renderTarget.viewport.set( 0, 0, renderTarget.width / 2, renderTarget.height );
|
|
renderer.render( scene, stereo.cameraL );
|
|
|
|
renderTarget.scissor.set( renderTarget.width / 2, 0, renderTarget.width / 2, renderTarget.height );
|
|
renderTarget.viewport.set( renderTarget.width / 2, 0, renderTarget.width / 2, renderTarget.height );
|
|
renderer.render( scene, stereo.cameraR );
|
|
|
|
renderTarget.scissorTest = false;
|
|
|
|
// restore
|
|
|
|
PostProcessingUtils.restoreRendererState( renderer, _rendererState );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
export default StereoPassNode;
|
|
|
|
export const stereoPass = ( scene, camera ) => nodeObject( new StereoPassNode( scene, camera ) );
|