Files
panda3d/tests/gobj/test_geom_primitives.py
T

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1.9 KiB
Python

from panda3d import core
def test_geom_triangles_adjacency():
prim = core.GeomTriangles(core.GeomEnums.UH_static)
prim.add_vertex(0)
prim.add_vertex(1)
prim.add_vertex(2)
prim.close_primitive()
prim.add_vertex(2)
prim.add_vertex(1)
prim.add_vertex(3)
prim.close_primitive()
adj = prim.make_adjacency()
verts = adj.get_vertex_list()
assert tuple(verts) == (
0, 0, 1, 3, 2, 2,
2, 0, 1, 1, 3, 3,
)
def test_geom_lines_adjacency():
prim = core.GeomLines(core.GeomEnums.UH_static)
prim.add_vertex(0)
prim.add_vertex(1)
prim.close_primitive()
prim.add_vertex(1)
prim.add_vertex(2)
prim.close_primitive()
prim.add_vertex(2)
prim.add_vertex(3)
prim.close_primitive()
adj = prim.make_adjacency()
verts = adj.get_vertex_list()
assert tuple(verts) == (
0, 0, 1, 2,
0, 1, 2, 3,
1, 2, 3, 3,
)
def test_geom_linestrips_adjacency():
prim = core.GeomLinestrips(core.GeomEnums.UH_static)
prim.add_vertex(0)
prim.add_vertex(1)
prim.close_primitive()
prim.add_vertex(1)
prim.add_vertex(2)
prim.add_vertex(3)
prim.close_primitive()
prim.add_vertex(3)
prim.add_vertex(4)
prim.add_vertex(5)
prim.add_vertex(6)
prim.close_primitive()
adj = prim.make_adjacency()
verts = adj.get_vertex_list()
cut = adj.get_strip_cut_index()
assert tuple(verts) == (
0, 0, 1, 2,
cut,
0, 1, 2, 3, 4,
cut,
2, 3, 4, 5, 6, 6,
)
# Check that it decomposes properly to a lines-adjacency primitive
prim = adj.decompose()
assert isinstance(prim, core.GeomLinesAdjacency)
verts = prim.get_vertex_list()
assert tuple(verts) == (
0, 0, 1, 2,
0, 1, 2, 3,
1, 2, 3, 4,
2, 3, 4, 5,
3, 4, 5, 6,
4, 5, 6, 6,
)