Pass value as reference in Gradient class

SuperTux · Aug 9, 2023 · d4e569e · d4e569e
1 parent bc367e3
commit d4e569e
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Showing 2 changed files with 4 additions and 4 deletions.
diff --git a/src/object/gradient.cpp b/src/object/gradient.cpp
@@ -197,7 +197,7 @@ Gradient::update(float delta)
 }
 
 void
-Gradient::set_gradient(Color top, Color bottom)
+Gradient::set_gradient(const Color& top, const Color& bottom)
 {
   m_gradient_top = top;
   m_gradient_bottom = bottom;
@@ -220,7 +220,7 @@ Gradient::set_gradient(Color top, Color bottom)
 }
 
 void
-Gradient::fade_gradient(Color top, Color bottom, float time)
+Gradient::fade_gradient(const Color& top, const Color& bottom, float time)
 {
   m_start_gradient_top = m_gradient_top;
   m_start_gradient_bottom = m_gradient_bottom;

diff --git a/src/object/gradient.hpp b/src/object/gradient.hpp
@@ -51,8 +51,8 @@ class Gradient final :
 
   virtual void on_flip(float height) override;
 
-  void set_gradient(Color top, Color bottom);
-  void fade_gradient(Color top, Color bottom, float time);
+  void set_gradient(const Color& top, const Color& bottom);
+  void fade_gradient(const Color& top, const Color& bottom, float time);
   Color get_gradient_top() const { return m_gradient_top; }
   Color get_gradient_bottom() const { return m_gradient_bottom; }