roll control

1 files changed, 6 insertions, 0 deletions

diff --git a/src/math/functions.h b/src/math/functions.h
index d9f78df..b44a4e5 100644
--- a/src/math/functions.h
+++ b/src/math/functions.h
@@ -49,6 +49,12 @@ float degrees180f(float angle);
 /// return an angle in the [0,360[ range
 float degrees360f(float angle);
 
+/// clamp a float to a specified range
+inline void clamp(float &value, float min=0.0f, float max=1.0f)
+{
+	if (value < min) value = min; else if (value > max) value = max;
+}
+
 } // namespace math
 
 #endif // __INCLUDED_MATH_FUNCTIONS_H__