public void Update()
{
float delta = (SDL.SDL_GetTicks() - lastFrameTime) / 1000.0f;
lastFrameTime = SDL.SDL_GetTicks();
if (spriteId != -1)
{
pos += dx * delta;
if (pos >= 640 - 16 && dx > 0)
{
pos = 640 - 16;
dx = -dx;
Cats.SetAnimation(spriteId, "walk left");
}
else if (pos <= 0 && dx < 0)
{
pos = 0;
dx = -dx;
Cats.SetAnimation(spriteId, "walk right");
}
Cats.SetSpritePosition(spriteId, (int)pos, 200);
}
Cats.SetScroll(-(int)pos, 0);
Redraw(delta);
}
void CreateSpriteInstance()
{
if (spriteId == -1)
{
spriteId = Cats.CreateSpriteInstance("sprite");
Cats.SetAnimation(spriteId, "walk right");
pos = 0;
dx = 100f;
}
}