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import { Object3D } from '../core/Object3D.js';
import { WebGLRenderTargetCube } from '../renderers/WebGLRenderTargetCube.js';
import { LinearFilter, RGBFormat } from '../constants.js';
import { Vector3 } from '../math/Vector3.js';
import { PerspectiveCamera } from './PerspectiveCamera.js';
/**
* Camera for rendering cube maps
* - renders scene into axis-aligned cube
*
* @author alteredq / http://alteredqualia.com/
*/
function CubeCamera( near, far, cubeResolution, options ) {
Object3D.call( this );
this.type = 'CubeCamera';
var fov = 90, aspect = 1;
var cameraPX = new PerspectiveCamera( fov, aspect, near, far );
cameraPX.up.set( 0, - 1, 0 );
cameraPX.lookAt( new Vector3( 1, 0, 0 ) );
this.add( cameraPX );
var cameraNX = new PerspectiveCamera( fov, aspect, near, far );
cameraNX.up.set( 0, - 1, 0 );
cameraNX.lookAt( new Vector3( - 1, 0, 0 ) );
this.add( cameraNX );
var cameraPY = new PerspectiveCamera( fov, aspect, near, far );
cameraPY.up.set( 0, 0, 1 );
cameraPY.lookAt( new Vector3( 0, 1, 0 ) );
this.add( cameraPY );
var cameraNY = new PerspectiveCamera( fov, aspect, near, far );
cameraNY.up.set( 0, 0, - 1 );
cameraNY.lookAt( new Vector3( 0, - 1, 0 ) );
this.add( cameraNY );
var cameraPZ = new PerspectiveCamera( fov, aspect, near, far );
cameraPZ.up.set( 0, - 1, 0 );
cameraPZ.lookAt( new Vector3( 0, 0, 1 ) );
this.add( cameraPZ );
var cameraNZ = new PerspectiveCamera( fov, aspect, near, far );
cameraNZ.up.set( 0, - 1, 0 );
cameraNZ.lookAt( new Vector3( 0, 0, - 1 ) );
this.add( cameraNZ );
options = options || { format: RGBFormat, magFilter: LinearFilter, minFilter: LinearFilter };
this.renderTarget = new WebGLRenderTargetCube( cubeResolution, cubeResolution, options );
this.renderTarget.texture.name = "CubeCamera";
this.update = function ( renderer, scene ) {
if ( this.parent === null ) this.updateMatrixWorld();
var currentRenderTarget = renderer.getRenderTarget();
var renderTarget = this.renderTarget;
var generateMipmaps = renderTarget.texture.generateMipmaps;
renderTarget.texture.generateMipmaps = false;
renderer.setRenderTarget( renderTarget, 0 );
renderer.render( scene, cameraPX );
renderer.setRenderTarget( renderTarget, 1 );
renderer.render( scene, cameraNX );
renderer.setRenderTarget( renderTarget, 2 );
renderer.render( scene, cameraPY );
renderer.setRenderTarget( renderTarget, 3 );
renderer.render( scene, cameraNY );
renderer.setRenderTarget( renderTarget, 4 );
renderer.render( scene, cameraPZ );
renderTarget.texture.generateMipmaps = generateMipmaps;
renderer.setRenderTarget( renderTarget, 5 );
renderer.render( scene, cameraNZ );
renderer.setRenderTarget( currentRenderTarget );
};
this.clear = function ( renderer, color, depth, stencil ) {
var currentRenderTarget = renderer.getRenderTarget();
var renderTarget = this.renderTarget;
for ( var i = 0; i < 6; i ++ ) {
renderer.setRenderTarget( renderTarget, i );
renderer.clear( color, depth, stencil );
}
renderer.setRenderTarget( currentRenderTarget );
};
}
CubeCamera.prototype = Object.create( Object3D.prototype );
CubeCamera.prototype.constructor = CubeCamera;
export { CubeCamera };
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