[#664] fixed a few case of `z` could be resetted to zero, when passing a Vector2d object as parameter
[#664] fixed a few case of `z` could be resetted to zero, when passing a Vector2d object as parameter

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