def print_dynamic(self, name, dyn, pos, alias, prop):
def assert_pos(name, n):
if len(pos) != n:
raise Exception('%s dynamic expects %d offsets, provided %d' % (name, n, len(pos)))
if dyn == 'force':
assert_pos('force', 4)
d = Shapes.Arrow(pos[0], pos[1], pos[2], pos[3], alias)
elif dyn == 'weight':
assert_pos('weight', 4)
d = Shapes.Arrow(pos[0], pos[1], pos[2], pos[3], alias)
elif dyn == 'rod':
assert_pos('rod', 4)
d = Shapes.Rod(pos[0], pos[1], pos[2], pos[3], alias)
elif dyn == 'spring':
assert_pos('spring', 4)
d = Shapes.Spring(pos[0], pos[1], pos[2], pos[3], alias)
elif dyn == 'dampener':
assert_pos('dampener', 4)
d = Shapes.Dampener(pos[0], pos[1], pos[2], pos[3], alias)
elif dyn == 'torque':
assert_pos('torque', 2)
r = float(prop.get('radius', Shapes.getDefaultCArrowRadius()))
c = prop.get('ccw', '0')
if c == '0':
c = False
else:
c = True
d = Shapes.CircularArrow(pos[0], pos[1], r, alias)
elif dyn == 'belt':
assert_pos('belt', 4)
c = prop.get('crossed', '0')
r0 = float(prop['r0'])
r1 = float(prop['r1'])
if c == '0':
c = False
else:
c = True
d = Shapes.Belt(pos[0], pos[1], r0, pos[2], pos[3], r1, c, alias)
elif dyn == 'angularspring':
assert_pos('angularspring', 2)
r = float(prop.get('radius', Shapes.getDefaultCArrowRadius()))
d = Shapes.AngularSpring(pos[0], pos[1], r, alias)
elif dyn == 'angulardampener':
assert_pos('angulardampener', 2)
r = float(prop.get('radius', Shapes.getDefaultCArrowRadius()))
d = Shapes.AngularDampener(pos[0], pos[1], r, alias)
else:
raise Exception('unknown dynamic type %s' % dyn)
self.dynscene[name] = d
self.scene.addItem(d)
