shear
According to the given rectangular range, it will cut out another texture from one texture, and the texture to be cut is given by its key; the key of the new texture is the parameter nKey.
Parameters
key
the key of the texture which will be shea red
n
the new key of the new texture
x
the x coordinate of the shear beginning point
y
the y coordinate of the shear beginning point
w
the width of the shear area
h
the height of the shear area