you are right!
whether or not the black borders appear depends on what i set for the
texture atlas size and everything else than 33x33 fails with black
borders again.
here a complete example:
#!/usr/bin/python
import pyglet
def _texture_atlas_add(self, img):
pad = 1
x, y = self.allocator.alloc(img.width + pad, img.height + pad)
self.texture.blit_into(img, x + pad, y + pad, 0)
region = self.texture.get_region(x + pad, y + pad, img.width,
img.height)
return region
pyglet.image.atlas.TextureAtlas.add = _texture_atlas_add
atlas = pyglet.image.atlas.TextureAtlas(width=64, height=64)
tile = []
tile.append(atlas.add(pyglet.image.load('data/tiles/water/0
watrtl01.pcx/0.png')))
tile.append(tile[0].get_transform(flip_x=True))
tile.append(tile[0].get_transform(flip_y=True))
tile.append(tile[0].get_transform(flip_x=True, flip_y=True))
group = pyglet.graphics.TextureGroup(atlas.texture)
batch = pyglet.graphics.Batch()
tex_coords = []
vert_coords = []
for y in xrange(2):
y1 = y*32
y2 = y1+32
for x in xrange(2):
x1 = x*32
x2 = x1+32
tex_coords.extend(tile[2*y+x].tex_coords)
vert_coords.extend([x1, y1, x2, y1, x2, y2, x1, y2])
vl = batch.add(4*4, pyglet.gl.GL_QUADS, group, ('v2i', vert_coords),
('t3f', tex_coords), ('c4B', (255,255,255,255)*4*4))
window = pyglet.window.Window(256, 256)
@window.event
def on_draw():
window.clear()
pyglet.gl.glPushMatrix()
pyglet.gl.glScalef(4.0,4,0.0)
batch.draw()
pyglet.gl.glPopMatrix()
pyglet.app.run()
just put in a 32x32 image that then will be flipped and drawn to four
different positions.
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