Add all new AFX files

Engine/source/afx/util/afxEase.cpp

@@ -0,0 +1,98 @@
+
+//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~~//
+// Arcane-FX for MIT Licensed Open Source version of Torque 3D from GarageGames
+// Copyright (C) 2015 Faust Logic, Inc.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+// IN THE SOFTWARE.
+//
+//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~~//
+
+#include "afx/arcaneFX.h"
+#include "afxEase.h"
+
+//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~~//
+
+F32
+afxEase::t(F32 t, F32 ein, F32 eout)
+{
+  if (t == 0.0)
+    return 0.0;
+  
+  if (t == 1.0)
+    return 1.0;
+  
+  F32 ee = eout - ein + 1.0;
+  
+  // ease in section
+  if (t <= ein)
+  {
+    F32 tin = t/ein;
+    return (mSin(M_PI_F*(tin - 1.0)) + M_PI_F*tin)*ein*(1.0/M_PI_F)/ee;
+  }
+
+  // middle linear section
+  else if (t <= eout)
+  {
+    return (2.0*t - ein)/ee;
+  }
+
+  // ease out section
+  else 
+  {
+    F32 iout = 1.0 - eout;
+    F32 g	= (t - eout)*M_PI_F/iout;
+    return ((mSin(g) + g)*(iout)/M_PI_F + 2.0*eout - ein)*1.0/ee + 0.0;
+  }
+}
+
+F32
+afxEase::eq(F32 t, F32 a, F32 b, F32 ein, F32 eout)
+{
+  if (t == 0.0)
+    return a;
+  
+  if (t == 1.0)
+    return b;
+  
+  F32 ab = b - a;
+  F32 ee = eout - ein + 1.0;
+  
+  // ease in section
+  if (t <= ein)
+  {
+    F32 tin = t/ein;
+    return a + (mSin(M_PI_F*(tin - 1.0)) + M_PI_F*tin)*ab*ein*(1.0/M_PI_F)/ee;
+  }
+
+  // middle linear section
+  else if (t <= eout)
+  {
+    return a + ab*(2.0*t - ein)/ee;
+  }
+
+  // ease out section
+  else 
+  {
+    F32 iout = 1.0 - eout;
+    F32 g	= (t - eout)*M_PI_F/iout;
+    return ((mSin(g) + g)*(iout)/M_PI_F + 2.0*eout - ein)*ab/ee + a;
+  }
+}
+
+//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~~//