Exemple #1
0
//Game loop
func (game *Game) Run() {
	defer game.Exit()

	if game.initFun == nil {
		fmt.Println("Go2D Warning: No init function set!")
	}

	if game.updateFun == nil {
		fmt.Println("Go2D Warning: No update function set!")
	}

	if game.drawFun == nil {
		fmt.Println("Go2D Warning: No draw function set!")
	}

	//Initialize the game
	game.initialize()

	var dt, old_t, now_t uint32 = 0, 0, 0

	for game.running {
		//Check for events and handle them
		for {
			event, present := sdl.PollEvent()
			if present {
				EventHandler(event)
			} else {
				break
			}
		}

		//Calculate time delta
		now_t = sdl.GetTicks()
		dt = now_t - old_t
		old_t = now_t

		//Update
		game.update(dt)

		//Draw
		game.draw()

		//Give the CPU some time to do other stuff
		sdl.Delay(1)
	}
}
Exemple #2
0
func GetTicks() uint32 {
	return sdl.GetTicks()
}