require "graphics.renderer" -- 只在renderers中会创建vertex buffer和index buffer。如果一个object 没有 -- renderer组件,就没有必要创建GPU缓存 local SpriteRenderer = AsuraEngine.Renderer.Extend("Spriterenderer") AsuraEngine.SpriteRenderer = SpriteRenderer function SpriteRenderer.Ctor(self) self.materials = {} end function SpriteRenderer:OnRender() end return SpriteRenderer