sugar-toolkit-gtk3/sugar/scene/Transformation.py
Marco Pesenti Gritti 1e3633baf7 Implement translation
2006-07-24 11:01:25 +02:00

22 lines
527 B
Python

import copy
class Transformation:
def __init__(self):
self._translation_x = 0
self._translation_y = 0
def set_translation(self, x, y):
self._translation_x = x
self._translation_y = y
def get_position(self, x, y):
translated_x = x + self._translation_x
translated_y = y + self._translation_y
return (translated_x, translated_y)
def compose(self, transf):
composed = copy.copy(transf)
composed._translation_x += transf._translation_x
composed._translation_y += transf._translation_y
return composed