| 1 | /**
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| 2 | * Camera for rendering cube maps
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| 3 | * - renders scene into axis-aligned cube
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| 4 | *
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| 5 | * @author alteredq / http://alteredqualia.com/
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| 6 | */
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| 7 |
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| 8 | THREE.CubeCamera = function ( near, far, cubeResolution ) {
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| 9 |
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| 10 | THREE.Object3D.call( this );
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| 11 |
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| 12 | var fov = 90, aspect = 1;
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| 13 |
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| 14 | var cameraPX = new THREE.PerspectiveCamera( fov, aspect, near, far );
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| 15 | cameraPX.up.set( 0, -1, 0 );
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| 16 | cameraPX.lookAt( new THREE.Vector3( 1, 0, 0 ) );
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| 17 | this.add( cameraPX );
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| 18 |
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| 19 | var cameraNX = new THREE.PerspectiveCamera( fov, aspect, near, far );
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| 20 | cameraNX.up.set( 0, -1, 0 );
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| 21 | cameraNX.lookAt( new THREE.Vector3( -1, 0, 0 ) );
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| 22 | this.add( cameraNX );
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| 23 |
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| 24 | var cameraPY = new THREE.PerspectiveCamera( fov, aspect, near, far );
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| 25 | cameraPY.up.set( 0, 0, 1 );
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| 26 | cameraPY.lookAt( new THREE.Vector3( 0, 1, 0 ) );
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| 27 | this.add( cameraPY );
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| 28 |
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| 29 | var cameraNY = new THREE.PerspectiveCamera( fov, aspect, near, far );
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| 30 | cameraNY.up.set( 0, 0, -1 );
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| 31 | cameraNY.lookAt( new THREE.Vector3( 0, -1, 0 ) );
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| 32 | this.add( cameraNY );
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| 33 |
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| 34 | var cameraPZ = new THREE.PerspectiveCamera( fov, aspect, near, far );
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| 35 | cameraPZ.up.set( 0, -1, 0 );
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| 36 | cameraPZ.lookAt( new THREE.Vector3( 0, 0, 1 ) );
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| 37 | this.add( cameraPZ );
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| 38 |
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| 39 | var cameraNZ = new THREE.PerspectiveCamera( fov, aspect, near, far );
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| 40 | cameraNZ.up.set( 0, -1, 0 );
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| 41 | cameraNZ.lookAt( new THREE.Vector3( 0, 0, -1 ) );
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| 42 | this.add( cameraNZ );
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| 43 |
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| 44 | this.renderTarget = new THREE.WebGLRenderTargetCube( cubeResolution, cubeResolution, { format: THREE.RGBFormat, magFilter: THREE.LinearFilter, minFilter: THREE.LinearFilter } );
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| 45 |
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| 46 | this.updateCubeMap = function ( renderer, scene ) {
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| 47 |
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| 48 | var renderTarget = this.renderTarget;
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| 49 | var generateMipmaps = renderTarget.generateMipmaps;
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| 50 |
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| 51 | renderTarget.generateMipmaps = false;
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| 52 |
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| 53 | renderTarget.activeCubeFace = 0;
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| 54 | renderer.render( scene, cameraPX, renderTarget );
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| 55 |
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| 56 | renderTarget.activeCubeFace = 1;
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| 57 | renderer.render( scene, cameraNX, renderTarget );
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| 58 |
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| 59 | renderTarget.activeCubeFace = 2;
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| 60 | renderer.render( scene, cameraPY, renderTarget );
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| 61 |
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| 62 | renderTarget.activeCubeFace = 3;
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| 63 | renderer.render( scene, cameraNY, renderTarget );
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| 64 |
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| 65 | renderTarget.activeCubeFace = 4;
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| 66 | renderer.render( scene, cameraPZ, renderTarget );
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| 67 |
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| 68 | renderTarget.generateMipmaps = generateMipmaps;
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| 69 |
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| 70 | renderTarget.activeCubeFace = 5;
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| 71 | renderer.render( scene, cameraNZ, renderTarget );
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| 72 |
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| 73 | };
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| 74 |
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| 75 | };
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| 76 |
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| 77 | THREE.CubeCamera.prototype = Object.create( THREE.Object3D.prototype );
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