Alvaro Cassinelli / Mbed 2 deprecated laserUI

Laser Sensing Display for UI interfaces in the real world

Dependencies:   mbed

Fork of skinGames_forktest by Alvaro Cassinelli

Diff: myVectorClass.h

Revision:
18:d72935b13858
Parent:
12:0de9cd2bced5
Child:
30:d8af03f01cd4
--- a/myVectorClass.h	Sat Apr 28 09:33:49 2012 +0000
+++ b/myVectorClass.h	Sat Apr 28 12:35:21 2012 +0000
@@ -402,7 +402,7 @@
 // Angle between two vector2Ds:
 template <class T>
 inline float vector2D<T>::angleDeg( const vector2D<T>& vec ) const {
-    return (float)(atan2( x*vec.y-y*vec.x, x*vec.x + y*vec.y )*RAD_TO_DEG);
+    return (float)(atan2( x*vec.y-y*vec.x, x*vec.x + y*vec.y )*RAD_TO_DEG); 
 }
 
 template <class T>
@@ -412,7 +412,7 @@
 
 template <class T>
 inline float vector2D<T>::angleDegHoriz( ) const {
-    return (float)(atan2( y, x )*RAD_TO_DEG);
+    return (float)(atan2( y, x )*RAD_TO_DEG+180); // by adding 180, we get values between 0 and 360 (CCW, with 0 on the left quadrant)
 }
 
 //handy typedefs: