BCSTM-Player |

external/tween-engine/src/equations/Quint.cpp

@@ -0,0 +1,31 @@
+//
+//  Quint.cpp
+//
+//  This code is derived from Universal Tween Engine
+//  Licensed under Apache License 2.0 - http://www.apache.org/licenses/LICENSE-2.0
+//
+
+#include <TweenEngine/equations/Quint.h>
+
+namespace TweenEngine
+{
+    float QuintIn::compute(float t) { return t*t*t*t*t; }
+    const char *QuintIn::toString() { return "Quint.IN"; }
+    
+    float QuintOut::compute(float t) {
+        t-=1;
+        return -(t*t*t*t*t - 1);
+    }
+    const char *QuintOut::toString() { return "Quint.OUT"; }
+    
+    float QuintInOut::compute(float t) {
+        t *= 2;
+        if (t < 1) {
+            return 0.5f*t*t*t*t*t;
+        } else {
+            t -= 2;
+            return -0.5f * (t*t*t*t*t - 2);
+        }
+    }
+    const char *QuintInOut::toString() { return "Quint.INOUT"; }
+}