add lerp function

jcyuan · Jul 3, 2018 · 8da5b82 · 8da5b82
1 parent 2f65b45
commit 8da5b82
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/utils/NumberUtil.ts b/src/utils/NumberUtil.ts
@@ -39,5 +39,8 @@ namespace fgui.utils {
 			return n * NumberUtil.RADIAN;
 		}
 
+		public static lerp(s:number, e:number, p:number):number {
+			return s + p * (e - s);
+		}
 	}
 }