def init(self):
gl.glEnableClientState(gl.GL_VERTEX_ARRAY)
gl.glEnableClientState(gl.GL_COLOR_ARRAY)
gl.glEnable(gl.GL_DEPTH_TEST)
gl.glEnable(gl.GL_POLYGON_SMOOTH)
gl.glEnable(gl.GL_BLEND)
gl.glBlendFunc(gl.GL_SRC_ALPHA, gl.GL_ONE_MINUS_SRC_ALPHA)
gl.glHint(gl.GL_POLYGON_SMOOTH_HINT, gl.GL_NICEST)
gl.glCullFace(gl.GL_BACK)
gl.glEnable(gl.GL_CULL_FACE)
gl.glClearColor(*self.world.sky_color)
vs_file = join(path.SOURCE, 'view', 'shaders', 'lighting.vert')
vs = VertexShader(vs_file)
fs_file = join(path.SOURCE, 'view', 'shaders', 'lighting.frag')
fs = FragmentShader(fs_file)
shader = ShaderProgram(vs, fs)
shader.compile()
shader.use()
# create glyphs for every item added to the world before now
for item in self.world:
self.world_add_item(item)
# create glyphs for every item added after this
self.world.item_added += self.world_add_item
def draw_world(self):
gl.glEnableClientState(gl.GL_NORMAL_ARRAY)
self.projection.set_perspective(45)
self.modelview.set_world()
for item in self.world:
if not hasattr(item, 'shape'):
continue
glyph = item.glyph
gl.glPushMatrix()
if hasattr(item, 'position'):
gl.glTranslatef(*item.position)
# TODO: item orientation
gl.glVertexPointer(
Glyph.DIMENSIONS, gl.GL_FLOAT, 0, glyph.glvertices)
gl.glColorPointer(
Color.NUM_COMPONENTS, gl.GL_UNSIGNED_BYTE, 0, glyph.glcolors)
gl.glNormalPointer(gl.GL_FLOAT, 0, glyph.glnormals)
gl.glDrawElements(
gl.GL_TRIANGLES,
len(glyph.glindices),
type_to_enum[glyph.glindex_type],
glyph.glindices)
gl.glPopMatrix()
