def shootProjectile(owner,
target,
projectile,
trail=None,
boom=None,
srcoff=Vector3(0, 1.5, 0),
dstoff=Vector3(0, 1.2, 0),
motor=None):
if hasattr(target, 'matrix'):
targetMatrix = target.matrix
else:
targetMatrix = target
if not boom and dstoff:
dstoff.y = 1.8
if not dstoff:
dstoff = Vector3(0, 0, 0)
owner.addModel(projectile)
projectile.position = Vector3(owner.position) + srcoff
if not motor:
motor = BigWorld.Homer()
motor.speed = projectileSpeed
motor.turnRate = 10
if dstoff.lengthSquared == 0:
motor.target = targetMatrix
else:
motor.target = MatrixProduct()
motor.target.a = targetMatrix
motor.target.b = Matrix()
motor.target.b.setTranslate(dstoff)
if motor.tripTime <= 0.0:
sourcePosition = Vector3(owner.position) + srcoff
targetPosition = Vector3(Matrix(targetMatrix).applyToOrigin()) + dstoff
speed = motor.speed
t = calculateTripTime(sourcePosition, targetPosition, speed)
if t == 0:
owner.delModel(projectile)
return 0
motor.tripTime = t
projectile.addMotor(motor)
if trail:
trail(projectile, None, motor.tripTime)
motor.proximity = 1.0
if boom:
motor.proximityCallback = boom
else:
motor.proximityCallback = partial(owner.delModel, projectile)
return motor.tripTime
