Try fix test 'test_scale_up' failing in actor

Author: yansnow78

pgzero/actor.py

@@ -265,8 +265,8 @@ def _transform(self):
         ra = radians(self._angle)
         sin_a = sin(ra)
         cos_a = cos(ra)
-        self.height = (abs(w * sin_a) + abs(h * cos_a))*self._scale
-        self.width = (abs(w * cos_a) + abs(h * sin_a))*self._scale
+        self.height = int((abs(w * sin_a) + abs(h * cos_a))*self._scale)
+        self.width = int((abs(w * cos_a) + abs(h * sin_a))*self._scale)
         ax, ay = self._untransformed_anchor
         p = self.pos
         self._anchor = transform_anchor(ax, ay, w, h, self._angle, self._scale)