preact

frontend/node_modules/three/examples/jsm/nodes/functions/ShadowMaskModel.js

@@ -0,0 +1,31 @@
+import LightingModel from '../core/LightingModel.js';
+import { diffuseColor } from '../core/PropertyNode.js';
+import { float } from '../shadernode/ShaderNode.js';
+
+class ShadowMaskModel extends LightingModel {
+
+	constructor() {
+
+		super();
+
+		this.shadowNode = float( 1 ).toVar( 'shadowMask' );
+
+	}
+
+	direct( { shadowMask } ) {
+
+		this.shadowNode.mulAssign( shadowMask );
+
+	}
+
+	finish( context ) {
+
+		diffuseColor.a.mulAssign( this.shadowNode.oneMinus() );
+
+		context.outgoingLight.rgb.assign( diffuseColor.rgb ); // TODO: Optimize LightsNode to avoid this assignment
+
+	}
+
+}
+
+export default ShadowMaskModel;