Added Vector2 math functions

Reviewed some Vector3 functions
Added auxiliary Clamp() function

1 files changed, 7 insertions, 5 deletions

diff --git a/src/gestures.h b/src/gestures.h
index c97871e5..f04bf091 100644
--- a/src/gestures.h
+++ b/src/gestures.h
@@ -213,8 +213,11 @@ static unsigned int enabledGestures = 0b0000001111111111;
 //----------------------------------------------------------------------------------
 // Module specific Functions Declaration
 //----------------------------------------------------------------------------------
+#if defined(GESTURES_STANDALONE)
+// Some required math functions provided by raymath.h
 static float Vector2Angle(Vector2 initialPosition, Vector2 finalPosition);
 static float Vector2Distance(Vector2 v1, Vector2 v2);
+#endif
 static double GetCurrentTime(void);
 
 //----------------------------------------------------------------------------------
@@ -477,13 +480,11 @@ float GetGesturePinchAngle(void)
 //----------------------------------------------------------------------------------
 // Module specific Functions Definition
 //----------------------------------------------------------------------------------
-
+#if defined(GESTURES_STANDALONE)
 // Returns angle from two-points vector with X-axis
-static float Vector2Angle(Vector2 initialPosition, Vector2 finalPosition)
+static float Vector2Angle(Vector2 v1, Vector2 v2)
 {
-    float angle;
-
-    angle = atan2f(finalPosition.y - initialPosition.y, finalPosition.x - initialPosition.x)*(180.0f/PI);
+    float angle = angle = atan2f(v2.y - v1.y, v2.x - v1.x)*(180.0f/PI);
     
     if (angle < 0) angle += 360.0f;
 
@@ -502,6 +503,7 @@ static float Vector2Distance(Vector2 v1, Vector2 v2)
 
     return result;
 }
+#endif
 
 // Time measure returned are milliseconds
 static double GetCurrentTime(void)