添加关照、全局等高线、修改图层问题

static/sdk/three/jsm/nodes/utils/DiscardNode.js

@@ -0,0 +1,27 @@
+import CondNode from '../math/CondNode.js';
+import { expression } from '../code/ExpressionNode.js';
+import { addNodeClass } from '../core/Node.js';
+import { addNodeElement, nodeProxy } from '../shadernode/ShaderNode.js';
+
+let discardExpression;
+
+class DiscardNode extends CondNode {
+
+	constructor( condNode ) {
+
+		discardExpression = discardExpression || expression( 'discard' );
+
+		super( condNode, discardExpression );
+
+	}
+
+}
+
+export default DiscardNode;
+
+export const inlineDiscard = nodeProxy( DiscardNode );
+export const discard = ( condNode ) => inlineDiscard( condNode ).append();
+
+addNodeElement( 'discard', discard ); // @TODO: Check... this cause a little confusing using in chaining
+
+addNodeClass( 'DiscardNode', DiscardNode );