[Home](./index.md) > [@three3d/effect](./effect.md) > [uvDrawRange\_onBeforeCompile](./effect.uvdrawrange_onbeforecompile.md) ## uvDrawRange\_onBeforeCompile variable uvDrawRange 用于材质的 onBeforeCompile 函数 **Signature:** ```typescript uvDrawRange_onBeforeCompile: OnBeforeCompile ```