*粒子系统

1 files changed, 6 insertions, 0 deletions

diff --git a/src/libjin/Math/je_math.h b/src/libjin/Math/je_math.h
index 1f8e0b3..e7c3ec5 100644
--- a/src/libjin/Math/je_math.h
+++ b/src/libjin/Math/je_math.h
@@ -71,6 +71,12 @@ namespace JinEngine
 			return a + t * (b - a);
 		}
 
+        float lerp(float a, float b, float f)
+        {
+            f = clamp<float>(f, 0, 1);
+            return a + f * (b - a);
+        }
+
 	} // namespace Math
 } // namespace JinEngine