So geht's:

Code:
// Panel "sidebar"
PANEL pam_sidebar {	
	flags=VISIBLE | OVERLAY;		
}

// event
function event_mouseover{
	pam_sidebar.bmap=bmap_for_entity(me,1);
	wait(1);
}

// action von Bild (sprite-entity)
action react_on_mouseover{
	
	my.event=event_mouseover;
	my.ENABLE_TOUCH = on;
	
}

// main function
function main {
	
	level_load(NULL);
	ent_create("bild.bmp", vector(800,0,0), react_on_mouseover);
	
	mouse_mode=1;
	mouse_pointer=1;
	mouse_range=5000;
	
	while(1){
 		MOUSE_POS.X = POINTER.X;
 		MOUSE_POS.Y = POINTER.Y;
 		wait(1);
	}
	
	
}