open fun render(elapsedTime: Long, deltaTime: Double, renderTarget: RenderTarget!): Unitopen fun render(elapsedTime: Long, deltaTime: Double, renderTarget: RenderTarget!, sceneMaterial: Material!): Unitopen fun render(elapsedTime: Long, deltaTime: Double, renderTarget: RenderTarget!): Unitopen fun render(elapsedTime: Long, deltaTime: Double, renderTarget: RenderTarget!, sceneMaterial: Material!): Unit