def projectile_velocity(start, dest, move_force):
start, dest = Vec2d(start), Vec2d(dest)
dx, dy = (dest.x - start.x), (dest.y - start.y)
if dx == 0:
dx += 1
if dy == 0:
dy += 1
slope = abs(dy / dx)
vel = Vec2d(1, 1)
if dx < 0:
vel.x *= -1
if dy < 0:
vel.y *= -1
vel.y *= (slope / (slope + 1))
vel.x *= (1 / (slope + 1))
vel = Vec2d.normalized(vel)
vel *= move_force
return vel
def move(self):
if self.up and self.down:
return
if self.right and self.left:
return
force = Vec2d(0.0, 0.0)
if self.up:
force.y = -1
elif self.down:
force.y = 1
if self.left:
force.x = -1
elif self.right:
force.x = 1
force *= self.move_force
if force.x != 0 and force.y != 0: # Normalize diagonal force
force = self.move_force * Vec2d.normalized(force)
if force.x != 0 or force.y != 0:
self.body.apply_force_at_local_point(force, (0, 0))
else:
self._toggle_sprinting(False)
