def test_flip_solver3_init():
a = pyjet.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 = pyjet.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 = pyjet.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 testAnimation(self):
a = pyjet.FlipSolver3()
f = pyjet.Frame()
a.update(f)
self.assertEqual(a.currentFrame.index, 0)
f.advance()
a.update(f)
self.assertEqual(a.currentFrame.index, 1)
def testInit(self):
a = pyjet.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 = pyjet.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 = pyjet.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 test_flip_solver3_animation():
a = pyjet.FlipSolver3()
f = pyjet.Frame()
a.update(f)
assert a.currentFrame.index == 0
f.advance()
a.update(f)
assert a.currentFrame.index == 1
def testPhysicsAnimation(self):
a = pyjet.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 = pyjet.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 = pyjet.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 = pyjet.GridForwardEulerDiffusionSolver3()
a.diffusionSolver = ds
self.assertEqual(ds, a.diffusionSolver)
def test_flip_solver3_grid_fluid_solver3():
a = pyjet.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 = pyjet.GridForwardEulerDiffusionSolver3()
a.diffusionSolver = ds
assert ds == a.diffusionSolver
def testFlipSolver3(self):
a = pyjet.FlipSolver3()
a.picBlendingFactor = 0.7
self.assertEqual(a.picBlendingFactor, 0.7)
def test_flip_solver3():
a = pyjet.FlipSolver3()
a.picBlendingFactor = 0.7
assert a.picBlendingFactor == 0.7