def test_init(self):
a = gl.Mesh()
b = gl.Mesh(gl.MeshPrimitive.LINE_LOOP)
c = gl.Mesh(MeshPrimitive.LINES)
self.assertNotEqual(a.id, 0)
self.assertNotEqual(b.id, 0)
self.assertNotEqual(c.id, 0)
self.assertEqual(a.primitive, gl.MeshPrimitive.TRIANGLES)
self.assertEqual(b.primitive, gl.MeshPrimitive.LINE_LOOP)
self.assertEqual(c.primitive, gl.MeshPrimitive.LINES)
def __init__(self):
configuration = self.Configuration()
configuration.title = "Magnum Python Textured Triangle Example"
Application.__init__(self, configuration)
buffer = gl.Buffer()
buffer.set_data(array.array('f', [
-0.5, -0.5, 0.0, 0.0,
0.5, -0.5, 1.0, 0.0,
0.0, 0.5, 0.5, 1.0
]))
self._mesh = gl.Mesh()
self._mesh.count = 3
self._mesh.add_vertex_buffer(buffer, 0, 4*4,
TexturedTriangleShader.POSITION)
self._mesh.add_vertex_buffer(buffer, 2*4, 4*4,
TexturedTriangleShader.TEXTURE_COORDINATES)
importer = trade.ImporterManager().load_and_instantiate('TgaImporter')
importer.open_file(os.path.join(os.path.dirname(__file__),
'../textured-triangle/stone.tga'))
image = importer.image2d(0)
self._texture = gl.Texture2D()
self._texture.wrapping = gl.SamplerWrapping.CLAMP_TO_EDGE
self._texture.minification_filter = gl.SamplerFilter.LINEAR
self._texture.magnification_filter = gl.SamplerFilter.LINEAR
self._texture.set_storage(1, gl.TextureFormat.RGB8, image.size)
self._texture.set_sub_image(0, Vector2i(), image)
# or self._shader = shaders.Flat2D(shaders.Flat2D.Flags.TEXTURED)
self._shader = TexturedTriangleShader()
def test_set_primitive_invalid(self):
a = gl.Mesh()
with self.assertRaisesRegex(
TypeError,
"expected MeshPrimitive or gl.MeshPrimitive, got <class 'str'>"
):
a.primitive = "ahaha"
def test_set_primitive(self):
a = gl.Mesh()
a.primitive = gl.MeshPrimitive.TRIANGLE_STRIP
self.assertEqual(a.primitive, gl.MeshPrimitive.TRIANGLE_STRIP)
a.primitive = MeshPrimitive.POINTS
self.assertEqual(a.primitive, gl.MeshPrimitive.POINTS)
def test_add_buffer(self):
buffer = gl.Buffer()
buffer_refcount = sys.getrefcount(buffer)
# Adding a buffer to the mesh should increase its ref count
mesh = gl.Mesh()
mesh.add_vertex_buffer(buffer, 0, 8, gl.Attribute(gl.Attribute.Kind.GENERIC, 2, gl.Attribute.Components.TWO, gl.Attribute.DataType.FLOAT))
self.assertEqual(len(mesh.buffers), 1)
self.assertIs(mesh.buffers[0], buffer)
self.assertEqual(sys.getrefcount(buffer), buffer_refcount + 1)
# Deleting the mesh should decrease it again
del mesh
self.assertEqual(sys.getrefcount(buffer), buffer_refcount)
def test_set_index_buffer(self):
buffer = gl.Buffer()
buffer_refcount = sys.getrefcount(buffer)
# Adding a buffer to the mesh should increase its ref count
mesh = gl.Mesh()
self.assertEqual(mesh.is_indexed(), False)
mesh.set_index_buffer(buffer, 0, MeshIndexType.UNSIGNED_SHORT, 0, 2)
self.assertEqual(mesh.is_indexed(), True)
self.assertEqual(sys.getrefcount(buffer), buffer_refcount + 1)
# Deleting the mesh should decrease it again
del mesh
self.assertEqual(sys.getrefcount(buffer), buffer_refcount)
def __init__(self):
configuration = self.Configuration()
configuration.title = "Magnum Python Triangle Example"
Application.__init__(self, configuration)
buffer = gl.Buffer()
buffer.set_data(
array.array('f', [
-0.5, -0.5, 1.0, 0.0, 0.0, 0.5, -0.5, 0.0, 1.0, 0.0, 0.0, 0.5,
0.0, 0.0, 1.0
]))
self._mesh = gl.Mesh()
self._mesh.count = 3
self._mesh.add_vertex_buffer(buffer, 0, 5 * 4,
shaders.VertexColor2D.POSITION)
self._mesh.add_vertex_buffer(buffer, 2 * 4, 5 * 4,
shaders.VertexColor2D.COLOR3)
self._shader = shaders.VertexColor2D()
def test_set_count(self):
a = gl.Mesh()
a.count = 15
self.assertEqual(a.count, 15)
