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68 lines
1003 B
68 lines
1003 B
2 years ago
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import Object3DNode from './Object3DNode.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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getNodeType( 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.getNodeType( builder );
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}
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update( frame ) {
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const camera = frame.camera;
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const uniformNode = this._uniformNode;
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const scope = this.scope;
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if ( scope === CameraNode.PROJECTION_MATRIX ) {
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uniformNode.value = camera.projectionMatrix;
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} else if ( scope === CameraNode.VIEW_MATRIX ) {
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uniformNode.value = camera.matrixWorldInverse;
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} else {
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this.object3d = camera;
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super.update( frame );
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}
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}
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generate( builder ) {
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const scope = this.scope;
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if ( scope === CameraNode.PROJECTION_MATRIX ) {
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this._uniformNode.nodeType = 'mat4';
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}
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return super.generate( builder );
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}
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}
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export default CameraNode;
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