def testInit(self): a = pyCubbyFlow.FLIPSolver3() self.assertEqual(a.resolution, (1, 1, 1)) self.assertEqual(a.gridSpacing, (1.0, 1.0, 1.0)) self.assertEqual(a.gridOrigin, (0.0, 0.0, 0.0)) b = pyCubbyFlow.FLIPSolver3((2, 3, 4), (5, 6, 7), (8, 9, 10)) self.assertEqual(b.resolution, (2, 3, 4)) self.assertEqual(b.gridSpacing, (5.0, 6.0, 7.0)) self.assertEqual(b.gridOrigin, (8.0, 9.0, 10.0)) c = pyCubbyFlow.FLIPSolver3(resolution=(2, 3, 4), gridSpacing=(5, 6, 7), gridOrigin=(8, 9, 10)) self.assertEqual(c.resolution, (2, 3, 4)) self.assertEqual(c.gridSpacing, (5.0, 6.0, 7.0)) self.assertEqual(c.gridOrigin, (8.0, 9.0, 10.0))
def testAnimation(self): a = pyCubbyFlow.FLIPSolver3() f = pyCubbyFlow.Frame() a.Update(f) self.assertEqual(a.currentFrame.index, 0) f.Advance() a.Update(f) self.assertEqual(a.currentFrame.index, 1)
def test_flip_solver3_init():
a = pyCubbyFlow.FLIPSolver3()
assert a.resolution == (1, 1, 1)
assert a.gridSpacing == (1.0, 1.0, 1.0)
assert a.gridOrigin == (0.0, 0.0, 0.0)
b = pyCubbyFlow.FLIPSolver3((2, 3, 4), (5, 6, 7), (8, 9, 10))
assert b.resolution == (2, 3, 4)
assert b.gridSpacing == (5.0, 6.0, 7.0)
assert b.gridOrigin == (8.0, 9.0, 10.0)
c = pyCubbyFlow.FLIPSolver3(resolution=(2, 3, 4),
gridSpacing=(5, 6, 7),
gridOrigin=(8, 9, 10))
assert c.resolution == (2, 3, 4)
assert c.gridSpacing == (5.0, 6.0, 7.0)
assert c.gridOrigin == (8.0, 9.0, 10.0)
def test_flip_solver3_animation():
a = pyCubbyFlow.FLIPSolver3()
f = pyCubbyFlow.Frame()
a.Update(f)
assert a.currentFrame.index == 0
f.Advance()
a.Update(f)
assert a.currentFrame.index == 1
def testPhysicsAnimation(self): a = pyCubbyFlow.FLIPSolver3() a.isUsingFixedSubTimeSteps = False self.assertFalse(a.isUsingFixedSubTimeSteps) a.isUsingFixedSubTimeSteps = True self.assertTrue(a.isUsingFixedSubTimeSteps) a.numberOfFixedSubTimeSteps = 42 self.assertEqual(a.numberOfFixedSubTimeSteps, 42) a.AdvanceSingleFrame() self.assertEqual(a.currentFrame.index, 0) self.assertAlmostEqual(a.currentTimeInSeconds, 0.0, delta=1e-12) a.AdvanceSingleFrame() self.assertEqual(a.currentFrame.index, 1) self.assertAlmostEqual(a.currentTimeInSeconds, 1.0 / 60.0, delta=1e-12)
def test_flip_solver3_physics_animation():
a = pyCubbyFlow.FLIPSolver3()
a.isUsingFixedSubTimeSteps = False
assert not a.isUsingFixedSubTimeSteps
a.isUsingFixedSubTimeSteps = True
assert a.isUsingFixedSubTimeSteps
a.numberOfFixedSubTimeSteps = 42
assert a.numberOfFixedSubTimeSteps == 42
a.AdvanceSingleFrame()
assert a.currentFrame.index == 0
assert a.currentTimeInSeconds == approx(0.0, abs=1e-12)
a.AdvanceSingleFrame()
assert a.currentFrame.index == 1
assert a.currentTimeInSeconds == approx(1.0 / 60.0, abs=1e-12)
def testGridFluidSolver3(self): a = pyCubbyFlow.FLIPSolver3() a.gravity = (1.0, 2.0, 3.0) self.assertEqual(a.gravity, (1.0, 2.0, 3.0)) a.viscosityCoefficient = 0.042 self.assertEqual(a.viscosityCoefficient, 0.042) a.maxCFL = 3.0 self.assertEqual(a.maxCFL, 3.0) a.ResizeGrid((2, 3, 4), (5, 6, 7), (8, 9, 10)) self.assertEqual(a.resolution, (2, 3, 4)) self.assertEqual(a.gridSpacing, (5.0, 6.0, 7.0)) self.assertEqual(a.gridOrigin, (8.0, 9.0, 10.0)) ds = pyCubbyFlow.GridForwardEulerDiffusionSolver3() a.diffusionSolver = ds self.assertEqual(ds, a.diffusionSolver)
def test_flip_solver3_grid_fluid_solver3():
a = pyCubbyFlow.FLIPSolver3()
a.gravity = (1.0, 2.0, 3.0)
assert_vector_similar(a.gravity, (1.0, 2.0, 3.0))
a.viscosityCoefficient = 0.042
assert a.viscosityCoefficient == 0.042
a.maxCFL = 3.0
assert a.maxCFL == 3.0
a.ResizeGrid((2, 3, 4), (5, 6, 7), (8, 9, 10))
assert_vector_similar(a.resolution, (2, 3, 4))
assert_vector_similar(a.gridSpacing, (5.0, 6.0, 7.0))
assert_vector_similar(a.gridOrigin, (8.0, 9.0, 10.0))
ds = pyCubbyFlow.GridForwardEulerDiffusionSolver3()
a.diffusionSolver = ds
assert ds == a.diffusionSolver
def testFlipSolver3(self): a = pyCubbyFlow.FLIPSolver3() a.picBlendingFactor = 0.7 self.assertEqual(a.picBlendingFactor, 0.7)
def test_flip_solver3():
a = pyCubbyFlow.FLIPSolver3()
a.picBlendingFactor = 0.7
assert a.picBlendingFactor == 0.7
