BCSTM-Player |

external/tween-engine/include/TweenEngine/TweenPath.h

@@ -0,0 +1,37 @@
+//
+//  TweenPath.h
+//
+//  This code is derived from Universal Tween Engine
+//  Licensed under Apache License 2.0 - http://www.apache.org/licenses/LICENSE-2.0
+//
+
+/**
+ * Base class for every paths. You can create your own paths and directly use
+ * them in the Tween engine by inheriting from this class.
+ *
+ * @author Aurelien Ribon | http://www.aurelienribon.com/
+ */
+
+#ifndef __TweenPath__
+#define __TweenPath__
+
+namespace TweenEngine
+{
+    class TweenPath
+    {
+    public:
+        /**
+         * Computes the next value of the interpolation, based on its waypoints and
+         * the current progress.
+         *
+         * @param t The progress of the interpolation, between 0 and 1. May be out
+         * of these bounds if the easing equation involves some kind of rebounds.
+         * @param points The waypoints of the tween, from start to target values.
+         * @param pointsCnt The number of valid points in the array.
+         * @return The next value of the interpolation.
+         */
+        virtual float compute(float t, float *points, int pointsCnt) = 0;
+    };
+}
+
+#endif /* defined(__TweenPath__) */