def draw_vector(self, vector: Vector, starting_point: Point):
# Flip y since 0 0 is at top
unscaled_vector_to_draw = BridgeGUI.flip_vector_on_y(
vector).get_unit_vector()
vector_tail = Vector.from_point(self.scale_point(starting_point))
vector_tip = unscaled_vector_to_draw * BridgeGUI.LENGTH_OF_VECTOR + vector_tail
label_position = vector_tail + unscaled_vector_to_draw * BridgeGUI.LENGTH_TO_LABEL
self.draw_line(vector_tail, vector_tip, arrow=True)
self.draw_label(label_position, vector.get_magnitude().rescale(kN))
def draw_beams(self, bridge: BridgeCalculator):
for beam, beam_property in bridge.bridge.beams.items():
self.draw_line(self.scale_point(beam.joint1),
self.scale_point(beam.joint2),
color=beam_property.beam_group.color)
if beam_property.member_force is not None:
label_position = Vector.from_point(
self.scale_point(
beam.joint2)) + BridgeGUI.flip_vector_on_y(
Vector.from_a_to_b(beam.joint2, beam.joint1)
) / 2 * self.scale_factor
self.draw_label(label_position,
beam_property.member_force.rescale(kN))