// // 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 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"; } }