[ Version ( since = "1.4" ) ]
public Rect offset_r (float d_x, float d_y)
Offsets the origin of the given rectangle by d_x and d_y.
The size of the rectangle is left unchanged.
| this |
a Rect |
| d_x |
the horizontal offset |
| d_y |
the vertical offset |
| res |
return location for the offset rectangle |