to signal the beginning of a frame. Currently this just grabs the time and tpf values once so as to avoid per-material Float allocation and time drift within a frame. RenderManager now calls this at the beginning of the root-level render() method.
to signal the beginning of a frame. Currently this just grabs the time and tpf values once so as to avoid per-material Float allocation and time drift within a frame. RenderManager now calls this at the beginning of the root-level render() method.