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87 lines
1.3 KiB
87 lines
1.3 KiB
2 years ago
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import Object3DNode from './Object3DNode.js';
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import Matrix4Node from '../inputs/Matrix4Node.js';
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class CameraNode extends Object3DNode {
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static PROJECTION_MATRIX = 'projectionMatrix';
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constructor( scope = CameraNode.POSITION ) {
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super( scope );
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}
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getType( builder ) {
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const scope = this.scope;
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if ( scope === CameraNode.PROJECTION_MATRIX ) {
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return 'mat4';
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}
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return super.getType( builder );
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}
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update( frame ) {
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const camera = frame.camera;
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const inputNode = this._inputNode;
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const scope = this.scope;
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if ( scope === CameraNode.PROJECTION_MATRIX ) {
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inputNode.value = camera.projectionMatrix;
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} else if ( scope === CameraNode.VIEW_MATRIX ) {
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inputNode.value = camera.matrixWorldInverse;
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} else {
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super.update( frame );
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}
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}
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generate( builder, output ) {
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const nodeData = builder.getDataFromNode( this );
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let inputNode = this._inputNode;
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if ( nodeData.inputNode === undefined ) {
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const scope = this.scope;
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if ( scope === CameraNode.PROJECTION_MATRIX ) {
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if ( inputNode === null || inputNode.isMatrix4Node !== true ) {
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inputNode = new Matrix4Node( null );
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}
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} else {
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return super.generate( builder, output );
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}
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this._inputNode = inputNode;
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nodeData.inputNode = inputNode;
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}
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return inputNode.build( builder, output );
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}
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}
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export default CameraNode;
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