Is that a class name? and where is your collision code 'isTouching' or whatever?

like i copied that one with if , and tried to replace that ones u said , and after that i placed a " setLocation " in if :/

You need some collision code to get a reference to the actor object. Something like:

i put it ( the car "masinutza" ) as an actor :)

Wait, masinutza is the class of the car -- not the class of the intersecting object? Also, before getting the image of the 'actor', you must ensure that 'actor' has an object (that it is not 'null').

Oh. that is what you meant, by The collision check needs the name of the class of the object the car might intersect.

So let me explain it clearly :))) sory ... I have a map as world , created in paint with grass , road and finish being simple colors . I have a car "masinutza" , as an actor and i have also created a class named " grass " for studying the collision as you help me :) , so i just attached the car and a bit more objects to my map , and now i want to make this thing happen ( the one with overcoming the road )

Well, that was semi-clear. If you are checking for "road" color, which is on the background image of the world, then there is no 'actor' to get. Just get the world background and the color at which the car is located to compare with road color:

color 1 is the green color ( of the grass ) , but this one with "equals" doesen't means that i asociate the road color with the grass color ?

Color color1 = new Color(239,228,176); if (color1.equals(getWorld().getBackground().getColorAt(460, 385))) { setLocation(106,448); } so this should work ? ( Car code ) my start point is x 106 and y 448 color 1 is road color and that one 460,385 is the green color ( grass )