40 lines
944 B
JavaScript
40 lines
944 B
JavaScript
import { addNodeClass } from '../core/Node.js';
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import TempNode from '../core/TempNode.js';
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import { cameraProjectionMatrix } from './CameraNode.js';
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import { modelViewMatrix } from './ModelNode.js';
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import { positionLocal } from './PositionNode.js';
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import { nodeProxy } from '../shadernode/ShaderNode.js';
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import { varying } from '../core/VaryingNode.js';
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class ModelViewProjectionNode extends TempNode {
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constructor( positionNode = null ) {
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super( 'vec4' );
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this.positionNode = positionNode;
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}
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setup( builder ) {
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if ( builder.shaderStage === 'fragment' ) {
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return varying( builder.context.mvp );
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}
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const position = this.positionNode || positionLocal;
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return cameraProjectionMatrix.mul( modelViewMatrix ).mul( position );
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}
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}
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export default ModelViewProjectionNode;
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export const modelViewProjection = nodeProxy( ModelViewProjectionNode );
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addNodeClass( 'ModelViewProjectionNode', ModelViewProjectionNode );
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