I'm working with Python3.6 and Pyglet, Interested in displaying a very
large number of variously textured blocks in Minecraft style., I wondered
if using GL_TEXTURE_CUBE_MAP would improve performance compared to
rendering the 6 faces each time. Using cubemap (from
https://www.programcreek.com/python/example/97888/pyglet.gl) I created my
cubes and noted the returned identifiers.
Having studied the lists of CubeMap issues, I could not find any example of
such a cube actually being drawn *B*ewildered by the range of gl and
pyglet graphics calls possible, I still have no idea how to draw a textured
cube, I was excited to find that GL_TEXTURE_CUBE could be specified in
pyglet.graphics (tho not documented) but I can't get the draw to work. Here
is my relevant code and output:
x, y, z = position
vertex_data = cube_vertices(x, y, z, 0.5) # create vertex list
glEnable(GL_TEXTURE_CUBE_MAP)
glBindTexture(GL_TEXTURE_CUBE_MAP, cubemap) # cubemap is the
textured-cube identifier
count = len(vertex_data)
pyglet.graphics.draw(count,GL_TEXTURE_CUBE_MAP, None,
('v3f/static', vertex_data), ('t3f/static'))
('v3f/static', vertex_data), ('t3f/static'))
File "C:\Python\Python36\lib\site-packages\pyglet\graphics\__init__.py",
line 193, in draw
for format, array in data:
TypeError: 'NoneType' object is not iterable
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