X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/11e82c1ba38223407b21cd30c0003f0d3a5d902d..1fd1922a49351a377bc6ef8f7e00f150112ee096:/src/common/geometry.cpp

diff --git a/src/common/geometry.cpp b/src/common/geometry.cpp
index d53b1f9a57..da7506b768 100644
--- a/src/common/geometry.cpp
+++ b/src/common/geometry.cpp
@@ -26,10 +26,14 @@
 #include "wx/log.h"
 #include <string.h>
 
-
 #include "wx/geometry.h"
 #include "wx/datstrm.h"
 
+// normally this is defined in <math.h>
+#ifndef M_PI
+    #define M_PI 3.14159265358979323846
+#endif
+
 //
 // wxPoint2D
 //
@@ -177,8 +181,8 @@ wxDouble wxPoint2DInt::GetVectorAngle()
             return 180;
     }
 
-    // casts needed MIPSpro compiler under SGI
-    wxDouble deg = atan2( (double)m_y , (double)m_x ) * 180 / 3.14159265359;
+    // casts needed for MIPSpro compiler under SGI
+    wxDouble deg = atan2( (double)m_y , (double)m_x ) * 180 / M_PI;
     if ( deg < 0 )
     {
         deg += 360;
@@ -187,6 +191,44 @@ wxDouble wxPoint2DInt::GetVectorAngle()
 }
 
 
+void wxPoint2DInt::SetVectorAngle( wxDouble degrees )
+{
+    wxDouble length = GetVectorLength();
+    m_x = (int)(length * cos( degrees / 180 * M_PI ));
+    m_y = (int)(length * sin( degrees / 180 * M_PI ));
+}
+
+wxDouble wxPoint2DDouble::GetVectorAngle() const
+{
+    if ( m_x == 0 )
+    {
+        if ( m_y >= 0 )
+            return 90;
+        else
+            return 270;
+    }
+    if ( m_y == 0 )
+    {
+        if ( m_x >= 0 )
+            return 0;
+        else
+            return 180;
+    }
+    wxDouble deg = atan2( m_y , m_x ) * 180 / M_PI;
+    if ( deg < 0 )
+    {
+        deg += 360;
+    }
+    return deg;
+}
+
+void wxPoint2DDouble::SetVectorAngle( wxDouble degrees )
+{
+    wxDouble length = GetVectorLength();
+    m_x = length * cos( degrees / 180 * M_PI );
+    m_y = length * sin( degrees / 180 * M_PI );
+}
+
 // wxRect2D
 
 bool wxRect2DInt::Intersects( const wxRect2DInt &rect ) const