*格式化代码

1 files changed, 10 insertions, 1 deletions

diff --git a/src/libjin-lua/scripts/graphics/graphics.lua b/src/libjin-lua/scripts/graphics/graphics.lua
index beb5712..2388b52 100644
--- a/src/libjin-lua/scripts/graphics/graphics.lua
+++ b/src/libjin-lua/scripts/graphics/graphics.lua
@@ -147,6 +147,15 @@ jg.reset = function()
   jg.unuseShader()
 end
 
+local _useshader = jg.useShader 
+jg.useShader = function(shader)
+	if shader == nil then 
+		jg.unuseShader() 
+		return 
+	end 
+	_useshader(shader)
+end
+
 jg.unuseShader = function()
   jg.useShader(jg.Shaders.Default)
 end
@@ -173,4 +182,4 @@ jg.newShaderf = function(file)
   else
     return shader
   end
-end
+end
\ No newline at end of file