def update_spinning(self, time_elapsed):
for dir in self.spinning:
if (self.spinning[dir]):
axis, sign = self.vectors[dir]
angle = self.spin_velocity * time_elapsed * sign
r = Quaternion.from_axis_angle(axis, angle)
self.rotation = self.rotation * r
self.ship_dir = self.rotation * Vector3d(0., 0., -1.)
self.up_dir = self.rotation * Vector3d(0., 1., 0.)
def update_spinning(self, time_elapsed):
for dir in self.spinning:
if (self.spinning[dir]):
axis, sign = self.vectors[dir]
angle = self.spin_velocity * time_elapsed * sign
r = Quaternion.from_axis_angle(axis, angle)
self.rotation = self.rotation * r
self.ship_dir = self.rotation * Vector3d(0.,0.,-1.)
self.up_dir = self.rotation * Vector3d(0.,1.,0.)
def update_mouse_track(self, time_elapsed):
eps = 0.1
ax, ay = self.angles
tx, ty = self.mouse_target
if (fabs(ax - tx) <= eps):
self.angles[0] = 0.0
self.mouse_target[0] = 0.0
else:
before = sign(tx - ax)
d = self.spin_velocity * time_elapsed * sign(tx - ax)
self.angles[0] += d
after = sign(tx - self.angles[0])
if (before != after):
self.angles[0] = 0.0
self.mouse_target[0] = 0.0
r = Quaternion.from_axis_angle(Vector3d(0., 1., 0.), d)
self.rotation = self.rotation * r
if (fabs(ay - ty) <= eps):
self.angles[1] = 0.0
self.mouse_target[1] = 0.0
else:
before = sign(ty - ay)
d = self.spin_velocity * time_elapsed * sign(ty - ay)
self.angles[1] += d
after = sign(ty - self.angles[1])
if (before != after):
self.angles[1] = 0.0
self.mouse_target[1] = 0.0
r = Quaternion.from_axis_angle(Vector3d(1., 0., 0.), d)
self.rotation = self.rotation * r
def update_mouse_track(self, time_elapsed):
eps = 0.1
ax, ay = self.angles
tx, ty = self.mouse_target
if (fabs(ax - tx) <= eps):
self.angles[0] = 0.0
self.mouse_target[0] = 0.0
else:
before = sign(tx - ax)
d = self.spin_velocity * time_elapsed * sign(tx - ax)
self.angles[0] += d
after = sign(tx - self.angles[0])
if (before != after):
self.angles[0] = 0.0
self.mouse_target[0] = 0.0
r = Quaternion.from_axis_angle(Vector3d(0.,1.,0.), d)
self.rotation = self.rotation * r
if (fabs(ay - ty) <= eps):
self.angles[1] = 0.0
self.mouse_target[1] = 0.0
else:
before = sign(ty - ay)
d = self.spin_velocity * time_elapsed * sign(ty - ay)
self.angles[1] += d
after = sign(ty - self.angles[1])
if (before != after):
self.angles[1] = 0.0
self.mouse_target[1] = 0.0
r = Quaternion.from_axis_angle(Vector3d(1.,0.,0.), d)
self.rotation = self.rotation * r
