https://github.com/WWBN/AVideo/issues/8713

node_modules/three/examples/jsm/nodes/math/OperatorNode.js

@@ -0,0 +1,84 @@
+import { TempNode } from '../core/TempNode.js';
+
+function OperatorNode( a, b, op ) {
+
+	TempNode.call( this );
+
+	this.a = a;
+	this.b = b;
+	this.op = op;
+
+}
+
+OperatorNode.ADD = '+';
+OperatorNode.SUB = '-';
+OperatorNode.MUL = '*';
+OperatorNode.DIV = '/';
+
+OperatorNode.prototype = Object.create( TempNode.prototype );
+OperatorNode.prototype.constructor = OperatorNode;
+OperatorNode.prototype.nodeType = 'Operator';
+
+OperatorNode.prototype.getType = function ( builder ) {
+
+	var a = this.a.getType( builder ),
+		b = this.b.getType( builder );
+
+	if ( builder.isTypeMatrix( a ) ) {
+
+		return 'v4';
+
+	} else if ( builder.getTypeLength( b ) > builder.getTypeLength( a ) ) {
+
+		// use the greater length vector
+
+		return b;
+
+	}
+
+	return a;
+
+};
+
+OperatorNode.prototype.generate = function ( builder, output ) {
+
+	var type = this.getType( builder );
+
+	var a = this.a.build( builder, type ),
+		b = this.b.build( builder, type );
+
+	return builder.format( '( ' + a + ' ' + this.op + ' ' + b + ' )', type, output );
+
+};
+
+OperatorNode.prototype.copy = function ( source ) {
+
+	TempNode.prototype.copy.call( this, source );
+
+	this.a = source.a;
+	this.b = source.b;
+	this.op = source.op;
+
+	return this;
+
+};
+
+OperatorNode.prototype.toJSON = function ( meta ) {
+
+	var data = this.getJSONNode( meta );
+
+	if ( ! data ) {
+
+		data = this.createJSONNode( meta );
+
+		data.a = this.a.toJSON( meta ).uuid;
+		data.b = this.b.toJSON( meta ).uuid;
+		data.op = this.op;
+
+	}
+
+	return data;
+
+};
+
+export { OperatorNode };