77 lines
1.5 KiB
JavaScript
77 lines
1.5 KiB
JavaScript
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/**
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* @author mrdoob / http://mrdoob.com/
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* @author mikael emtinger / http://gomo.se/
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* @author WestLangley / http://github.com/WestLangley
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*/
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import { Matrix4 } from '../math/Matrix4.js';
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import { Object3D } from '../core/Object3D.js';
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import { Vector3 } from '../math/Vector3.js';
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function Camera() {
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Object3D.call( this );
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this.type = 'Camera';
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this.matrixWorldInverse = new Matrix4();
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this.projectionMatrix = new Matrix4();
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this.projectionMatrixInverse = new Matrix4();
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}
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Camera.prototype = Object.assign( Object.create( Object3D.prototype ), {
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constructor: Camera,
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isCamera: true,
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copy: function ( source, recursive ) {
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Object3D.prototype.copy.call( this, source, recursive );
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this.matrixWorldInverse.copy( source.matrixWorldInverse );
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this.projectionMatrix.copy( source.projectionMatrix );
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this.projectionMatrixInverse.copy( source.projectionMatrixInverse );
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return this;
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},
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getWorldDirection: function ( target ) {
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if ( target === undefined ) {
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console.warn( 'THREE.Camera: .getWorldDirection() target is now required' );
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target = new Vector3();
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}
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this.updateMatrixWorld( true );
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var e = this.matrixWorld.elements;
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return target.set( - e[ 8 ], - e[ 9 ], - e[ 10 ] ).normalize();
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},
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updateMatrixWorld: function ( force ) {
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Object3D.prototype.updateMatrixWorld.call( this, force );
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this.matrixWorldInverse.getInverse( this.matrixWorld );
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},
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clone: function () {
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return new this.constructor().copy( this );
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}
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} );
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export { Camera };
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