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

node_modules/three/examples/jsm/nodes/utils/TimerNode.js

@@ -0,0 +1,103 @@
+import { FloatNode } from '../inputs/FloatNode.js';
+import { NodeLib } from '../core/NodeLib.js';
+
+function TimerNode( scale, scope, timeScale ) {
+
+	FloatNode.call( this );
+
+	this.scale = scale !== undefined ? scale : 1;
+	this.scope = scope || TimerNode.GLOBAL;
+
+	this.timeScale = timeScale !== undefined ? timeScale : scale !== undefined;
+
+}
+
+TimerNode.GLOBAL = 'global';
+TimerNode.LOCAL = 'local';
+TimerNode.DELTA = 'delta';
+
+TimerNode.prototype = Object.create( FloatNode.prototype );
+TimerNode.prototype.constructor = TimerNode;
+TimerNode.prototype.nodeType = 'Timer';
+
+TimerNode.prototype.getReadonly = function () {
+
+	// never use TimerNode as readonly but aways as "uniform"
+
+	return false;
+
+};
+
+TimerNode.prototype.getUnique = function () {
+
+	// share TimerNode "uniform" input if is used on more time with others TimerNode
+
+	return this.timeScale && ( this.scope === TimerNode.GLOBAL || this.scope === TimerNode.DELTA );
+
+};
+
+TimerNode.prototype.updateFrame = function ( frame ) {
+
+	var scale = this.timeScale ? this.scale : 1;
+
+	switch ( this.scope ) {
+
+		case TimerNode.LOCAL:
+
+			this.value += frame.delta * scale;
+
+			break;
+
+		case TimerNode.DELTA:
+
+			this.value = frame.delta * scale;
+
+			break;
+
+		default:
+
+			this.value = frame.time * scale;
+
+	}
+
+};
+
+TimerNode.prototype.copy = function ( source ) {
+
+	FloatNode.prototype.copy.call( this, source );
+
+	this.scope = source.scope;
+	this.scale = source.scale;
+
+	this.timeScale = source.timeScale;
+
+	return this;
+
+};
+
+TimerNode.prototype.toJSON = function ( meta ) {
+
+	var data = this.getJSONNode( meta );
+
+	if ( ! data ) {
+
+		data = this.createJSONNode( meta );
+
+		data.scope = this.scope;
+		data.scale = this.scale;
+
+		data.timeScale = this.timeScale;
+
+	}
+
+	return data;
+
+};
+
+NodeLib.addKeyword( 'time', function () {
+
+	return new TimerNode();
+
+} );
+
+export { TimerNode };