def _final_coords(self, alpha, phi, params_dict=None):
if params_dict is None:
params_dict = self.gun_params
p = {}
for key in self.gun_params:
p[key] = params_dict.get(key, self.gun_params[key])
coords = (p["x"], p["y"], p["z"])
angles = (alpha + p["alpha_0"], phi + p["phi_0"])
v = p["v"]
g = p["g"]
gun_length = p["gun_length"]
return ballistics.final_coords(coords, angles, v, g, gun_length)
def rotate_and_shoot(self, d_alpha=0.0, d_phi=0.0):
self.alpha += d_alpha
self.phi += d_phi
# Randomize initial parameters
alpha = self.randomize_alpha(self.alpha)
phi = self.randomize_phi(self.phi)
v = self.randomize_v(self.v)
g = self.g
# Take into account length of gun
x = self.x0 + self.gun_length * cos(alpha) * cos(phi)
y = self.x0 + self.gun_length * cos(alpha) * sin(phi)
z = self.z0 + self.gun_length * sin(alpha)
self.shot_x, self.shot_y = final_coords((x, y, z),
(alpha, phi), v, g)
return self.shot_x, self.shot_y
