hermet pushed a commit to branch master. http://git.enlightenment.org/core/efl.git/commit/?id=44f0f3e1707f0ade71eb7ccab5ecc70494c00ad8
commit 44f0f3e1707f0ade71eb7ccab5ecc70494c00ad8 Author: ChunEon Park <[email protected]> Date: Fri Dec 5 23:24:16 2014 +0900 ecore/animator: simpler code --- src/lib/ecore/ecore_anim.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/src/lib/ecore/ecore_anim.c b/src/lib/ecore/ecore_anim.c index 3b8f987..3aa1a68 100644 --- a/src/lib/ecore/ecore_anim.c +++ b/src/lib/ecore/ecore_anim.c @@ -317,9 +317,15 @@ _pos_map_cubic_bezier(double pos, if (x1 == y1 && x2 == y2) return pos; /* Bezier Cubic formula: - y(t) = (1 - t)^3 + 3t(1 - t)^2 + 3t^2(1 - t) + t^3 */ - return (pow((1 - pos), 3) * 0) + (3 * pos * pow((1 - pos), 2) * y1) + - (3 * pow(pos, 2) * (1 - pos) * y2) + (pow(pos, 3) * 1); + y(t) = (1 - t)^3 + 3t(1 - t)^2 + 3t^2(1 - t) + t^3 */ + + /* orignal */ + // return (pow((1 - pos), 3) * 0) + (3 * pos * pow((1 - pos), 2) * y1) + + // (3 * pow(pos, 2) * (1 - pos) * y2) + (pow(pos, 3) * 1); + + /* simpler one */ + return (3 * pos * pow((1 - pos), 2) * y1) + + (3 * pow(pos, 2) * (1 - pos) * y2) + (pow(pos, 3) * 1); } #define DBL_TO(Fp) eina_f32p32_double_to(Fp) --
