def rot(self, cen, ang): """Returns this point rotated around a center a given number of cw revolutions.""" if abs(ang) < 0.000001: return copy.copy(self) a = util.rev2rad(ang) #Convert to ccw radians h = cen.dist_to(self) #Radius of circle b = util.rev2rad(cen.ang_to(self)) return Point(h*math.cos(a+b)+cen[0], -1*h*math.sin(a+b)+cen[1])
def _set_ode_ang(self, odething):
"""Sets the angle in an ODE object (body or geom) from the GameObj's angle.
Converts from GameObj angles (cw revolutions) to ODE angles (ccw radians).
"""
a = util.rev2rad(self._ang)
s = math.sin(a)
c = math.cos(a)
rotmatr = (c, s, 0.0, -s, c, 0.0, 0.0, 0.0, 1.0)
odething.setRotation(rotmatr)