import Object3DNode from './Object3DNode.js'; import Matrix4Node from '../inputs/Matrix4Node.js'; class CameraNode extends Object3DNode { static PROJECTION_MATRIX = 'projectionMatrix'; constructor( scope = CameraNode.POSITION ) { super( scope ); this._inputNode = null; } getNodeType( builder ) { const scope = this.scope; if ( scope === CameraNode.PROJECTION_MATRIX ) { return 'mat4'; } return super.getNodeType( builder ); } update( frame ) { const camera = frame.camera; const inputNode = this._inputNode; const scope = this.scope; if ( scope === CameraNode.PROJECTION_MATRIX ) { inputNode.value = camera.projectionMatrix; } else if ( scope === CameraNode.VIEW_MATRIX ) { inputNode.value = camera.matrixWorldInverse; } else { super.update( frame ); } } generate( builder ) { const scope = this.scope; if ( scope === CameraNode.PROJECTION_MATRIX ) { this._inputNode = new Matrix4Node( null ); } return super.generate( builder ); } } export default CameraNode;