def collide(self, wall: Wall, dt):
points = wall.get_dots()
glob_moment = 0
glob_force = Vector(0, 0)
for point in points:
if abs(point - self.get_cords()) > self.r:
continue
for dot in self.dots:
dot_coords = dot.get_cords()
dot_force = Vector(0, 0)
l_2 = (point.x - dot_coords.x)**2 + (
point.y -
dot_coords.y)**2 + 0.01 #because of division by zero
if l_2 < dot.get_r()**2:
dot_force += FORCE_CONSTANT * (dot.get_r() - math.sqrt(
l_2)) / abs(dot_coords - point) * (dot_coords - point)
dot_moment = (dot_coords - self.get_cords()).cross(dot_force)
glob_force += dot_force
glob_moment += dot_moment
beta = glob_moment / self.get_I()
a = glob_force / self.m
self.v += a * dt
self.w += beta * dt
def collide(self, wall: Wall):
points = wall.get_dots()
for point in points:
if abs(point - self.get_cords()) < self.r:
return True
return False
