I recently downloaded fogleman a great demo of "Minecraft in 500 lines" from https://github.com/fogleman/Craft . I used the 2to3 tool and fixed some details manually to make it executable in python3. Now I wonder about the call self.clear()in the rendering method. This is my modified rendering method, which every frame is called a piglet:
def on_draw(self):
""" Called by pyglet to draw the canvas.
"""
frameStart = time.time()
self.clear()
clearTime = time.time()
self.set_3d()
glColor3d(1, 1, 1)
self.model.batch.draw()
self.draw_focused_block()
self.set_2d()
self.draw_label()
self.draw_reticle()
renderTime = time.time()
self.clearBuffer.append(str(clearTime - frameStart))
self.renderBuffer.append(str(renderTime - clearTime))
As you can see, I took the runtime self.clear()and the rest of the rendering method. The call self.clear()calls this pyglet method, which can be found in ... / pyglet / window / __ init __. Py:
def clear(self):
'''Clear the window.
This is a convenience method for clearing the color and depth
buffer. The window must be the active context (see `switch_to`).
'''
gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT)
glClear().
( 60 FPS), , , glClear(). , 10 . glClear() - , :
glClear() .
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glClear() , - "" . , ? ?
, OpenGL, .;)