Lode Runner v2.21i, AI_VERSION=4

Editor mode: only left mouse button support draw/erase tile !
Modified file: lodeRunner.edit.js

lodeRunner.def.js

@@ -1,4 +1,4 @@
-var VERSION = "2.21g";
+var VERSION = "2.21i";
 var AI_VERSION = 4;
 
 var NO_OF_TILES_X = 28,

lodeRunner.edit.js

@@ -794,16 +794,34 @@ function saveEditLevel()
 	
 function stageMouseDown(event)
 {
+	var e = event.nativeEvent;
+	// ------------------------------------------------------------------------
+	// nativeEvent: https://createjs.com/docs/easeljs/classes/MouseEvent.html
+	// which: https://www.w3schools.com/jsref/event_which.asp
+	// ------------------------------------------------------------------------
+	if( e.which === undefined || e.which == 1 ) { // 1: left, 2: middle, 3: right 
+		// only support left mouse button
 		mouseDown = 1;
+		//console.log(e.which)
 		//console.log("DOWN");
 	} 	
+}
 	
 function stageMouseUp(event)
 {
+	var e = event.nativeEvent;	
+	// ------------------------------------------------------------------------
+	// nativeEvent: https://createjs.com/docs/easeljs/classes/MouseEvent.html
+	// which: https://www.w3schools.com/jsref/event_which.asp
+	// ------------------------------------------------------------------------
+	if( e.which === undefined || e.which == 1 ) { // 1: left, 2: middle, 3: right
+		// only support left mouse button
 		mouseDown = 0;
 		lastDown = {x:-1, y:-1};
+		//console.log(e.which)
 		//console.log("UP");
 	}
+}
 
 function initMapInfo()
 {