The clock.tick returns the time since the last call to clock.tick. Use that value and multiply all your speeds with it when you move. Example dt = clock.tick(60) player.position.x += player.xSpeed * dt player.position.y += player.ySpeed * dt This way your player will always move at the same speed independent of what you put into … Read more
Unfortunately, SKShapeNode is not that great for what you are trying to do. However, there is a way to optimize this, albeit with some caveats. First one of the largest problems with the fps is that the draw count gets extremely high because each line segment you add is another draw. If you set showsDrawCount … Read more
Use Psyco, for python2: import psyco psyco.full() Also, enable doublebuffering. For example: from pygame.locals import * flags = FULLSCREEN | DOUBLEBUF screen = pygame.display.set_mode(resolution, flags, bpp) You could also turn off alpha if you don’t need it: screen.set_alpha(None) Instead of flipping the entire screen every time, keep track of the changed areas and only update … Read more