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146 lines
3.2 KiB
Python
146 lines
3.2 KiB
Python
from panda3d import core
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def test_geom_triangles_adjacency():
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prim = core.GeomTriangles(core.GeomEnums.UH_static)
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prim.add_vertex(0)
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prim.add_vertex(1)
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prim.add_vertex(2)
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prim.close_primitive()
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prim.add_vertex(2)
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prim.add_vertex(1)
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prim.add_vertex(3)
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prim.close_primitive()
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adj = prim.make_adjacency()
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verts = adj.get_vertex_list()
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assert tuple(verts) == (
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0, 0, 1, 3, 2, 2,
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2, 0, 1, 1, 3, 3,
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)
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def test_geom_lines_adjacency():
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prim = core.GeomLines(core.GeomEnums.UH_static)
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prim.add_vertex(0)
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prim.add_vertex(1)
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prim.close_primitive()
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prim.add_vertex(1)
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prim.add_vertex(2)
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prim.close_primitive()
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prim.add_vertex(2)
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prim.add_vertex(3)
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prim.close_primitive()
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adj = prim.make_adjacency()
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verts = adj.get_vertex_list()
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assert tuple(verts) == (
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0, 0, 1, 2,
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0, 1, 2, 3,
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1, 2, 3, 3,
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)
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def test_geom_linestrips_adjacency():
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prim = core.GeomLinestrips(core.GeomEnums.UH_static)
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prim.add_vertex(0)
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prim.add_vertex(1)
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prim.close_primitive()
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prim.add_vertex(1)
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prim.add_vertex(2)
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prim.add_vertex(3)
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prim.close_primitive()
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prim.add_vertex(3)
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prim.add_vertex(4)
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prim.add_vertex(5)
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prim.add_vertex(6)
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prim.close_primitive()
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adj = prim.make_adjacency()
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verts = adj.get_vertex_list()
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cut = adj.get_strip_cut_index()
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assert tuple(verts) == (
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0, 0, 1, 2,
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cut,
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0, 1, 2, 3, 4,
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cut,
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2, 3, 4, 5, 6, 6,
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)
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# Check that it decomposes properly to a lines-adjacency primitive
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prim = adj.decompose()
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assert isinstance(prim, core.GeomLinesAdjacency)
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verts = prim.get_vertex_list()
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assert tuple(verts) == (
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0, 0, 1, 2,
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0, 1, 2, 3,
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1, 2, 3, 4,
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2, 3, 4, 5,
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3, 4, 5, 6,
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4, 5, 6, 6,
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)
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def test_geom_linestrips_offset_indexed():
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prim = core.GeomLinestrips(core.GeomEnums.UH_static)
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prim.add_vertex(0)
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prim.add_vertex(1)
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prim.close_primitive()
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prim.add_vertex(1)
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prim.add_vertex(2)
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prim.add_vertex(3)
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prim.close_primitive()
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prim.add_vertex(3)
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prim.add_vertex(4)
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prim.add_vertex(5)
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prim.add_vertex(6)
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prim.close_primitive()
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prim.offset_vertices(100)
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verts = prim.get_vertex_list()
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cut = prim.strip_cut_index
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assert tuple(verts) == (
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100, 101,
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cut,
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101, 102, 103,
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cut,
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103, 104, 105, 106,
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)
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prim.offset_vertices(-100)
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verts = prim.get_vertex_list()
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cut = prim.strip_cut_index
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assert tuple(verts) == (
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0, 1,
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cut,
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1, 2, 3,
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cut,
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3, 4, 5, 6,
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)
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prim.offset_vertices(100, 4, 9)
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verts = prim.get_vertex_list()
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cut = prim.strip_cut_index
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assert tuple(verts) == (
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0, 1,
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cut,
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1, 102, 103,
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cut,
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103, 104, 5, 6,
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)
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# Automatically upgrade to uint32
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prim.offset_vertices(100000)
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assert prim.index_type == core.GeomEnums.NT_uint32
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verts = prim.get_vertex_list()
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cut = prim.strip_cut_index
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assert tuple(verts) == (
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100000, 100001,
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cut,
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100001, 100102, 100103,
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cut,
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100103, 100104, 100005, 100006,
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)
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