Hi all,
I've been working on my first pyglet project and have run into a strange
problem. I am creating a hex grid that for now i am just drawing using
gl.POLYGON. I first started drawing this grid using:
pyglet.graphics.draw(
6, gl.GL_POLYGON, None,
('v2f', locs), ('c4B', colors)
)
This gave me my expected result (a 2d grid of polygons). Since then, I
have switched to using batches and groups:
self._vertex_lists[s] = self._batch.add(
6, gl.GL_POLYGON, g,
('v2f', locs), ('c4B', colors)
)
g here is one of these groups:
class FillGroup(OrderedGroup):
def set_state(self):
gl.glEnable(gl.GL_BLEND)
gl.glBlendFunc(gl.GL_SRC_ALPHA, gl.GL_ONE_MINUS_SRC_ALPHA)
gl.glPolygonMode(gl.GL_FRONT_AND_BACK, gl.GL_FILL)
def unset_state(self):
pass
back_filled_grp = FillGroup(0)
front_filled_grp = FillGroup(1)
class LineGroup(OrderedGroup):
def set_state(self):
# TODO remove this since we don't care about line opacity
gl.glEnable(gl.GL_BLEND)
gl.glBlendFunc(gl.GL_SRC_ALPHA, gl.GL_ONE_MINUS_SRC_ALPHA)
gl.glPolygonMode(gl.GL_FRONT_AND_BACK, gl.GL_LINE)
def unset_state(self):
gl.glPolygonMode(gl.GL_FRONT_AND_BACK, gl.GL_FILL)
line_grp = LineGroup(1)
My current rendering looks like this (see attached file), which is
completely different than the nice 2d grid I had before. When I mouse over
my hexes I draw another hex with alpha to show that I am mousing over (that
is the blue cone shape that before was just a hex!). Any ideas what's
going on here? I've quadruple checked that the hex vertices are being
generated in the same way as they were before I moved to using a batch.
- Kovas
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