def test_volume_particle_emitter3():
sphere = pyjet.Sphere3()
emitter = pyjet.VolumeParticleEmitter3(
sphere, pyjet.BoundingBox3D((-1, -2, 3), (4, 2, 9)), 0.1, (-1, 0.5, 2),
(3, 4, 5), (6, 7, 8), 30, 0.01, False, True, 42)
assert emitter.surface != None
assert_bounding_box_similar(emitter.maxRegion,
pyjet.BoundingBox3D((-1, -2, 3), (4, 2, 9)))
assert emitter.spacing == 0.1
assert_vector_similar(emitter.initialVelocity, (-1, 0.5, 2))
assert_vector_similar(emitter.linearVelocity, (3, 4, 5))
assert_vector_similar(emitter.angularVelocity, (6, 7, 8))
assert emitter.maxNumberOfParticles == 30
assert emitter.jitter == 0.01
assert emitter.isOneShot == False
assert emitter.allowOverlapping == True
emitter2 = pyjet.VolumeParticleEmitter3(implicitSurface=sphere,
maxRegion=pyjet.BoundingBox3D(
(-1, -2, 3), (4, 2, 9)),
spacing=0.1,
initialVelocity=(-1, 0.5, 2),
linearVelocity=(3, 4, 5),
angularVelocity=(6, 7, 8),
maxNumberOfParticles=30,
jitter=0.01,
isOneShot=False,
allowOverlapping=True,
seed=42)
assert emitter2.surface != None
assert_bounding_box_similar(emitter2.maxRegion,
pyjet.BoundingBox3D((-1, -2, 3), (4, 2, 9)))
assert emitter2.spacing == 0.1
assert_vector_similar(emitter2.initialVelocity, (-1, 0.5, 2))
assert_vector_similar(emitter2.linearVelocity, (3, 4, 5))
assert_vector_similar(emitter2.angularVelocity, (6, 7, 8))
assert emitter2.maxNumberOfParticles == 30
assert emitter2.jitter == 0.01
assert emitter2.isOneShot == False
assert emitter2.allowOverlapping == True
def test_bounding_box3d_init():
a = pyjet.BoundingBox3D()
assert a.lowerCorner.x > a.upperCorner.x
assert a.lowerCorner.y > a.upperCorner.y
assert a.lowerCorner.z > a.upperCorner.z
b = pyjet.BoundingBox3D((-1, -2, -3), (4, 2, 5))
assert b.lowerCorner.x == -1.0
assert b.lowerCorner.y == -2.0
assert b.lowerCorner.z == -3.0
assert b.upperCorner.x == 4.0
assert b.upperCorner.y == 2.0
assert b.upperCorner.z == 5.0
l, c = pyjet.Vector3D(-1, -2, -3), pyjet.Vector3D(4, 2, 5)
c = pyjet.BoundingBox3D(l, c)
assert c.lowerCorner.x == -1.0
assert c.lowerCorner.y == -2.0
assert c.lowerCorner.z == -3.0
assert c.upperCorner.x == 4.0
assert c.upperCorner.y == 2.0
assert c.upperCorner.z == 5.0
def testIsEmpty(self):
a = pyjet.BoundingBox3D((-2.0, -2.0, 1.0), (4.0, 3.0, 5.0))
self.assertFalse(a.isEmpty())
def test_bounding_box3d_is_empty():
a = pyjet.BoundingBox3D((-2.0, -2.0, 1.0), (4.0, 3.0, 5.0))
assert not a.isEmpty()
def test_volume_particle_emitter3():
sphere = pyjet.Sphere3()
emitter = pyjet.VolumeParticleEmitter3(
sphere, pyjet.BoundingBox3D((-1, -2, -3), (4, 2, 9)), 0.1,
(-1, 0.5, 2), (3, 4, 5), (6, 7, 8), 30, 0.01, False, True, 42)
assert emitter.surface
assert_bounding_box_similar(emitter.maxRegion,
pyjet.BoundingBox3D((-1, -2, -3), (4, 2, 9)))
assert emitter.spacing == 0.1
assert_vector_similar(emitter.initialVelocity, (-1, 0.5, 2))
assert_vector_similar(emitter.linearVelocity, (3, 4, 5))
assert_vector_similar(emitter.angularVelocity, (6, 7, 8))
assert emitter.maxNumberOfParticles == 30
assert emitter.jitter == 0.01
assert not emitter.isOneShot
assert emitter.allowOverlapping
assert emitter.isEnabled
emitter2 = pyjet.VolumeParticleEmitter3(implicitSurface=sphere,
maxRegion=pyjet.BoundingBox3D(
(-1, -2, -3), (4, 2, 9)),
spacing=0.1,
initialVelocity=(-1, 0.5, 2),
linearVelocity=(3, 4, 5),
angularVelocity=(6, 7, 8),
maxNumberOfParticles=300000,
jitter=0.01,
isOneShot=False,
allowOverlapping=True,
seed=42)
assert emitter2.surface
assert_bounding_box_similar(emitter2.maxRegion,
pyjet.BoundingBox3D((-1, -2, -3), (4, 2, 9)))
assert emitter2.spacing == 0.1
assert_vector_similar(emitter2.initialVelocity, (-1, 0.5, 2))
assert_vector_similar(emitter2.linearVelocity, (3, 4, 5))
assert_vector_similar(emitter2.angularVelocity, (6, 7, 8))
assert emitter2.maxNumberOfParticles == 300000
assert emitter2.jitter == 0.01
assert not emitter2.isOneShot
assert emitter2.allowOverlapping
assert emitter2.isEnabled
# Emit some particles
frame = pyjet.Frame()
solver = pyjet.ParticleSystemSolver3()
solver.emitter = emitter2
solver.update(frame)
frame.advance()
assert solver.particleSystemData.numberOfParticles > 0
old_num_particles = solver.particleSystemData.numberOfParticles
solver.update(frame)
frame.advance()
assert solver.particleSystemData.numberOfParticles > old_num_particles
# Disabling emitter should stop emitting particles
emitter2.isEnabled = False
old_num_particles = solver.particleSystemData.numberOfParticles
solver.update(frame)
frame.advance()
assert solver.particleSystemData.numberOfParticles == old_num_particles
# Re-enabling emitter should resume emission
emitter2.isEnabled = True
old_num_particles = solver.particleSystemData.numberOfParticles
solver.update(frame)
frame.advance()
assert solver.particleSystemData.numberOfParticles > old_num_particles
# One-shot emitter
emitter3 = pyjet.VolumeParticleEmitter3(implicitSurface=sphere,
maxRegion=pyjet.BoundingBox3D(
(-1, -2, -3), (4, 2, 9)),
spacing=0.1,
initialVelocity=(-1, 0.5, 2),
linearVelocity=(3, 4, 5),
angularVelocity=(6, 7, 8),
maxNumberOfParticles=300000,
jitter=0.01,
isOneShot=True,
allowOverlapping=True,
seed=42)
# Emit some particles
frame = pyjet.Frame()
solver = pyjet.ParticleSystemSolver3()
solver.emitter = emitter3
solver.update(frame)
frame.advance()
assert solver.particleSystemData.numberOfParticles > 0
assert not emitter3.isEnabled
# Should not emit more particles
old_num_particles = solver.particleSystemData.numberOfParticles
solver.update(frame)
frame.advance()
assert solver.particleSystemData.numberOfParticles == old_num_particles
# Re-enabling the emitter should make it emit one more time
emitter3.isEnabled = True
old_num_particles = solver.particleSystemData.numberOfParticles
solver.update(frame)
frame.advance()
assert solver.particleSystemData.numberOfParticles > old_num_particles
# ...and gets disabled again
old_num_particles = solver.particleSystemData.numberOfParticles
solver.update(frame)
frame.advance()
assert solver.particleSystemData.numberOfParticles == old_num_particles