Fixes to build examples on older imgui

azonenberg · azonenberg · commit da5bd5171cf9 · 2023-11-23T15:55:19.000-08:00
diff --git a/imgui_extra_math.inl b/imgui_extra_math.inl
@@ -34,6 +34,13 @@ inline ImVec2 operator*(const float lhs, const ImVec2& rhs)
     return ImVec2(lhs * rhs.x, lhs * rhs.y);
 }
 
+# if IMGUI_VERSION_NUM < 18955
+inline ImVec2 operator-(const ImVec2& lhs)
+{
+    return ImVec2(-lhs.x, -lhs.y);
+}
+# endif
+
 //------------------------------------------------------------------------------
 inline float ImLength(float v)
 {

Original file line number	Diff line number	Diff line change
`@@ -34,6 +34,13 @@ inline ImVec2 operator*(const float lhs, const ImVec2& rhs)`
`34`	`34`	`return ImVec2(lhs * rhs.x, lhs * rhs.y);`
`35`	`35`	`}`
`36`	`36`
	`37`	`+# if IMGUI_VERSION_NUM < 18955`
	`38`	`+inline ImVec2 operator-(const ImVec2& lhs)`
	`39`	`+{`
	`40`	`+ return ImVec2(-lhs.x, -lhs.y);`
	`41`	`+}`
	`42`	`+# endif`
	`43`	`+`
`37`	`44`	`//------------------------------------------------------------------------------`
`38`	`45`	`inline float ImLength(float v)`
`39`	`46`	`{`