[#538] further update to the collision angle
[#538] further update to the collision angle

rlugojr/melonJS,srbala/melonJS,rlugojr/melonJS,MarkoIvanetic/melonJS,gopalindians/melonJS,melonjs/melonJS,srbala/melonJS,srbala/melonJS,rlugojr/melonJS,TukekeSoft/melonJS,MarkoIvanetic/melonJS,melonjs/melonJS,gopalindians/melonJS,gopalindians/melonJS,TukekeSoft/melonJS,TukekeSoft/melonJS