微调背景模块，自定义模式设置背景的时候访问不到特殊背景了

2021-11-29 04:22:08 +08:00
parent e0360cc7eb
commit a350ff3182
3 changed files with 8 additions and 2 deletions
--- a/parts/backgrounds/custom.lua
+++ b/parts/backgrounds/custom.lua
@@ -18,8 +18,10 @@ function back.resize()
 end
 function back.draw()
    gc_clear(.1,.1,.1)
-    gc_setColor(1,1,1,alpha)
-    mDraw(image,mx,my,nil,k)
+    if image then
+        gc_setColor(1,1,1,alpha)
+        mDraw(image,mx,my,nil,k)
+    end
 end
 function back.event(a,img)
    if a then alpha=a end