def test_closestPointsOnMesh():
mesh = pgf.scale(loadSmallBunny(), pgf.var_float(10.))
inpts = pgf.var_vec3([
(0.359824538230896, -0.012389957904815674, 0.3581507205963135),
(-0.3318827152252197, 0.1699751615524292, 0.7063822150230408),
(0.27124643325805664, -0.14796850085258484, 0.5440048575401306),
(0.2950490713119507, 0.0309564471244812, 1.5690069198608398),
(0.470700740814209, 0.559279203414917, 0.5738930106163025),
(-0.6372849941253662, 0.5158957242965698, 0.9492948055267334),
(-0.42367517948150635, 0.17821109294891357, 0.5325688719749451),
(0.24817490577697754, 0.27643465995788574, 0.5003229975700378),
(-0.5128110647201538, -0.4166657030582428, 1.868307113647461),
(-0.08426868915557861, 0.14360648393630981, 0.6685295104980469)
])
outpts = pgf.closestPoints(mesh, inpts)
expected = [
(0.35241958498954773, -0.022721359506249428, 0.3823484480381012),
(-0.3473210334777832, 0.18098655343055725, 0.6997533440589905),
(0.22252899408340454, -0.13979701697826385, 0.36583301424980164),
(0.1671879142522812, -0.029879290610551834, 1.274683952331543),
(0.22475071251392365, 0.2590671181678772, 0.5857457518577576),
(-0.5479510426521301, 0.21973726153373718, 0.9220386743545532),
(-0.423895001411438, 0.11360426992177963, 0.5336558818817139),
(0.21963083744049072, 0.23689928650856018, 0.5136839151382446),
(-0.6122115254402161, -0.3117043375968933, 1.5369797945022583),
(-0.03959565982222557, 0.34772586822509766, 0.666935384273529)
]
assert tu.equalf(expected, pgf.read(outpts))
def test_meshSphereQuery():
mesh = pgf.scale(loadSmallBunny(), pgf.var_float(10.0))
zero = pgf.var_float(0.)
center = pgf.vec3(zero, zero, zero)
radius = pgf.var_float(.5)
sphere = pgf.sphere(center, radius)
rmesh, rindices, rcount = pgf.meshSphereQuery(mesh, sphere)
nfaces = pgf.read(rcount)
area = pgf.read(pgf.area(rmesh))
assert tu.equalf(area, 0.4436888098716736)
assert nfaces == 292
def test_scaleMesh():
mesh = loadLargeBunny()
factor = 10.0
scaled = pgf.scale(mesh, pgf.var_float(factor))
meshes = [mesh, scaled]
areas = [pgf.read(pgf.area(m)) for m in meshes]
volumes = [pgf.read(pgf.volume(m)) for m in meshes]
vcounts = [pgf.read(pgf.numVertices(m)) for m in meshes]
fcounts = [pgf.read(pgf.numFaces(m)) for m in meshes]
assert (abs(areas[1] - pow(factor, 2) * areas[0]) / areas[1]) < 1e-5
assert (abs(volumes[1] - pow(factor, 3) * volumes[0]) / volumes[1]) < 1e-5
assert vcounts[0] == vcounts[1]
assert fcounts[0] == fcounts[1]
import pygalfunc as pgf
import pygalview as pgv
relpath = pgf.var_string("../assets/bunny.obj")
path = pgf.absPath(relpath)
mesh = pgf.loadObjFile(path)
scale = pgf.var_float(10.0)
scaled = pgf.scale(mesh, scale)
center = pgv.sliderVec3("center", 0., 1., 0.)
radius = pgv.sliderf32("radius", 0., 1., .5)
sphere = pgf.sphere(center, radius)
resultMesh, resultIndices, numResults = pgf.meshSphereQuery(scaled, sphere)
pgv.print("Number of results", numResults)
pgv.show("Queried faces", resultMesh)
pgv.show("Sphere", sphere)