Code cleanup: rename BLI_math_easing to BLI_easing

Many hard coded values and really specific to time & keyframes.

1 files changed, 78 insertions, 0 deletions

diff --git a/source/blender/blenlib/BLI_easing.h b/source/blender/blenlib/BLI_easing.h
new file mode 100644
index 00000000000..4b3bc8624d0
--- /dev/null
+++ b/source/blender/blenlib/BLI_easing.h
@@ -0,0 +1,78 @@
+/*
+ * Copyright © 2001 Robert Penner
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *   * Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *
+ *   * Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *
+ *   * Neither the name of the author nor the names of contributors may be
+ *     used to endorse or promote products derived from this software without
+ *     specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __BLI_EASING_H__
+#define __BLI_EASING_H__
+
+/** \file BLI_easing.h
+ *  \ingroup bli
+ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+float BackEaseIn(float time, float begin, float change, float duration, float overshoot);
+float BackEaseOut(float time, float begin, float change, float duration, float overshoot);
+float BackEaseInOut(float time, float begin, float change, float duration, float overshoot);
+float BounceEaseOut(float time, float begin, float change, float duration);
+float BounceEaseIn(float time, float begin, float change, float duration);
+float BounceEaseInOut(float time, float begin, float change, float duration);
+float CircEaseIn(float time, float begin, float change, float duration);
+float CircEaseOut(float time, float begin, float change, float duration);
+float CircEaseInOut(float time, float begin, float change, float duration);
+float CubicEaseIn(float time, float begin, float change, float duration);
+float CubicEaseOut(float time, float begin, float change, float duration);
+float CubicEaseInOut(float time, float begin, float change, float duration);
+float ElasticEaseIn(float time, float begin, float change, float duration, float amplitude, float period);
+float ElasticEaseOut(float time, float begin, float change, float duration, float amplitude, float period);
+float ElasticEaseInOut(float time, float begin, float change, float duration, float amplitude, float period);
+float ExpoEaseIn(float time, float begin, float change, float duration);
+float ExpoEaseOut(float time, float begin, float change, float duration);
+float ExpoEaseInOut(float time, float begin, float change, float duration);
+float LinearEase(float time, float begin, float change, float duration);
+float QuadEaseIn(float time, float begin, float change, float duration);
+float QuadEaseOut(float time, float begin, float change, float duration);
+float QuadEaseInOut(float time, float begin, float change, float duration);
+float QuartEaseIn(float time, float begin, float change, float duration);
+float QuartEaseOut(float time, float begin, float change, float duration);
+float QuartEaseInOut(float time, float begin, float change, float duration);
+float QuintEaseIn(float time, float begin, float change, float duration);
+float QuintEaseOut(float time, float begin, float change, float duration);
+float QuintEaseInOut(float time, float begin, float change, float duration);
+float SineEaseIn(float time, float begin, float change, float duration);
+float SineEaseOut(float time, float begin, float change, float duration);
+float SineEaseInOut(float time, float begin, float change, float duration);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif  /* __BLI_EASING_H__ */