diff options
Diffstat (limited to 'src/3rdparty/easing/easing.cpp')
| -rw-r--r-- | src/3rdparty/easing/easing.cpp | 180 |
1 files changed, 92 insertions, 88 deletions
diff --git a/src/3rdparty/easing/easing.cpp b/src/3rdparty/easing/easing.cpp index 65e9f95..81af40f 100644 --- a/src/3rdparty/easing/easing.cpp +++ b/src/3rdparty/easing/easing.cpp @@ -18,7 +18,13 @@ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND */ #include <QtCore/qmath.h> -#include <private/qnumeric_p.h> +#include <math.h> +#ifndef M_PI +#define M_PI 3.14159265358979323846 +#endif +#ifndef M_PI_2 +#define M_PI_2 (M_PI / 2) +#endif QT_USE_NAMESPACE @@ -63,12 +69,12 @@ static qreal easeOutQuad(qreal t) */ static qreal easeInOutQuad(qreal t) { - t*=qreal(2.0); + t*=2.0; if (t < 1) { - return t*t*qreal(0.5); + return t*t/qreal(2); } else { --t; - return qreal(-0.5) * (t*(t-2) - 1); + return -0.5 * (t*(t-2) - 1); } } @@ -80,8 +86,8 @@ static qreal easeInOutQuad(qreal t) */ static qreal easeOutInQuad(qreal t) { - if (t < qreal(0.5)) return easeOutQuad (t*2) * qreal(0.5); - return easeInQuad((2*t)-1) * qreal(0.5) + qreal(0.5); + if (t < 0.5) return easeOutQuad (t*2)/2; + return easeInQuad((2*t)-1)/2 + 0.5; } /** @@ -103,7 +109,7 @@ static qreal easeInCubic(qreal t) */ static qreal easeOutCubic(qreal t) { - t-=qreal(1.0); + t-=1.0; return t*t*t + 1; } @@ -115,12 +121,12 @@ static qreal easeOutCubic(qreal t) */ static qreal easeInOutCubic(qreal t) { - t*=qreal(2.0); + t*=2.0; if(t < 1) { - return qreal(0.5)*t*t*t; + return 0.5*t*t*t; } else { t -= qreal(2.0); - return qreal(0.5)*(t*t*t + 2); + return 0.5*(t*t*t + 2); } } @@ -132,8 +138,8 @@ static qreal easeInOutCubic(qreal t) */ static qreal easeOutInCubic(qreal t) { - if (t < qreal(0.5)) return easeOutCubic (2*t) * qreal(0.5); - return easeInCubic(2*t - 1) * qreal(0.5) + qreal(0.5); + if (t < 0.5) return easeOutCubic (2*t)/2; + return easeInCubic(2*t - 1)/2 + 0.5; } /** @@ -168,10 +174,10 @@ static qreal easeOutQuart(qreal t) static qreal easeInOutQuart(qreal t) { t*=2; - if (t < 1) return qreal(0.5)*t*t*t*t; + if (t < 1) return 0.5*t*t*t*t; else { t -= 2.0f; - return qreal(-0.5) * (t*t*t*t- 2); + return -0.5 * (t*t*t*t- 2); } } @@ -183,8 +189,8 @@ static qreal easeInOutQuart(qreal t) */ static qreal easeOutInQuart(qreal t) { - if (t < qreal(0.5)) return easeOutQuart (2*t) * qreal(0.5); - return easeInQuart(2*t-1) * qreal(0.5) + qreal(0.5); + if (t < 0.5) return easeOutQuart (2*t)/2; + return easeInQuart(2*t-1)/2 + 0.5; } /** @@ -206,7 +212,7 @@ static qreal easeInQuint(qreal t) */ static qreal easeOutQuint(qreal t) { - t-=qreal(1.0); + t-=1.0; return t*t*t*t*t + 1; } @@ -218,11 +224,11 @@ static qreal easeOutQuint(qreal t) */ static qreal easeInOutQuint(qreal t) { - t*=qreal(2.0); - if (t < 1) return qreal(0.5)*t*t*t*t*t; + t*=2.0; + if (t < 1) return 0.5*t*t*t*t*t; else { - t -= qreal(2.0); - return qreal(0.5)*(t*t*t*t*t + 2); + t -= 2.0; + return 0.5*(t*t*t*t*t + 2); } } @@ -234,8 +240,8 @@ static qreal easeInOutQuint(qreal t) */ static qreal easeOutInQuint(qreal t) { - if (t < qreal(0.5)) return easeOutQuint (2*t) * qreal(0.5); - return easeInQuint(2*t - 1) * qreal(0.5) + qreal(0.5); + if (t < 0.5) return easeOutQuint (2*t)/2; + return easeInQuint(2*t - 1)/2 + 0.5; } /** @@ -246,7 +252,7 @@ static qreal easeOutInQuint(qreal t) */ static qreal easeInSine(qreal t) { - return (t == qreal(1.0)) ? qreal(1.0) : -qCos(t * Q_PI2) + qreal(1.0); + return (t == 1.0) ? 1.0 : -::cos(t * M_PI_2) + 1.0; } /** @@ -257,7 +263,7 @@ static qreal easeInSine(qreal t) */ static qreal easeOutSine(qreal t) { - return qSin(t* Q_PI2); + return ::sin(t* M_PI_2); } /** @@ -268,7 +274,7 @@ static qreal easeOutSine(qreal t) */ static qreal easeInOutSine(qreal t) { - return qreal(-0.5) * (qCos(Q_PI*t) - 1); + return -0.5 * (::cos(M_PI*t) - 1); } /** @@ -279,8 +285,8 @@ static qreal easeInOutSine(qreal t) */ static qreal easeOutInSine(qreal t) { - if (t < qreal(0.5)) return easeOutSine (2*t) * qreal(0.5); - return easeInSine(2*t - 1) * qreal(0.5) + qreal(0.5); + if (t < 0.5) return easeOutSine (2*t)/2; + return easeInSine(2*t - 1)/2 + 0.5; } /** @@ -291,7 +297,7 @@ static qreal easeOutInSine(qreal t) */ static qreal easeInExpo(qreal t) { - return (t==0 || t == qreal(1.0)) ? t : ::qPow(qreal(2.0), 10 * (t - 1)) - qreal(0.001); + return (t==0 || t == 1.0) ? t : ::qPow(2.0, 10 * (t - 1)) - qreal(0.001); } /** @@ -302,7 +308,7 @@ static qreal easeInExpo(qreal t) */ static qreal easeOutExpo(qreal t) { - return (t==qreal(1.0)) ? qreal(1.0) : qreal(1.001) * (-::qPow(2.0f, -10 * t) + 1); + return (t==1.0) ? 1.0 : 1.001 * (-::qPow(2.0f, -10 * t) + 1); } /** @@ -313,11 +319,11 @@ static qreal easeOutExpo(qreal t) */ static qreal easeInOutExpo(qreal t) { - if (t==qreal(0.0)) return qreal(0.0); - if (t==qreal(1.0)) return qreal(1.0); - t*=qreal(2.0); - if (t < 1) return qreal(0.5) * ::qPow(qreal(2.0), 10 * (t - 1)) - qreal(0.0005); - return qreal(0.5) * qreal(1.0005) * (-::qPow(qreal(2.0), -10 * (t - 1)) + 2); + if (t==0.0) return qreal(0.0); + if (t==1.0) return qreal(1.0); + t*=2.0; + if (t < 1) return 0.5 * ::qPow(qreal(2.0), 10 * (t - 1)) - 0.0005; + return 0.5 * 1.0005 * (-::qPow(qreal(2.0), -10 * (t - 1)) + 2); } /** @@ -328,8 +334,8 @@ static qreal easeInOutExpo(qreal t) */ static qreal easeOutInExpo(qreal t) { - if (t < qreal(0.5)) return easeOutExpo (2*t) * qreal(0.5); - return easeInExpo(2*t - 1) * qreal(0.5) + qreal(0.5); + if (t < 0.5) return easeOutExpo (2*t)/2; + return easeInExpo(2*t - 1)/2 + 0.5; } /** @@ -340,7 +346,7 @@ static qreal easeOutInExpo(qreal t) */ static qreal easeInCirc(qreal t) { - return -(::qSqrt(1 - t*t) - 1); + return -(::sqrt(1 - t*t) - 1); } /** @@ -352,7 +358,7 @@ static qreal easeInCirc(qreal t) static qreal easeOutCirc(qreal t) { t-= qreal(1.0); - return ::qSqrt(1 - t* t); + return ::sqrt(1 - t* t); } /** @@ -365,10 +371,10 @@ static qreal easeInOutCirc(qreal t) { t*=qreal(2.0); if (t < 1) { - return qreal(-0.5) * (::qSqrt(1 - t*t) - 1); + return -0.5 * (::sqrt(1 - t*t) - 1); } else { t -= qreal(2.0); - return qreal(0.5) * (::qSqrt(1 - t*t) + 1); + return 0.5 * (::sqrt(1 - t*t) + 1); } } @@ -380,26 +386,26 @@ static qreal easeInOutCirc(qreal t) */ static qreal easeOutInCirc(qreal t) { - if (t < qreal(0.5)) return easeOutCirc (2*t)*qreal(0.5); - return easeInCirc(2*t - 1)*qreal(0.5) + qreal(0.5); + if (t < 0.5) return easeOutCirc (2*t)/2; + return easeInCirc(2*t - 1)/2 + 0.5; } static qreal easeInElastic_helper(qreal t, qreal b, qreal c, qreal d, qreal a, qreal p) { if (t==0) return b; - qreal t_adj = t / d; + qreal t_adj = (qreal)t / (qreal)d; if (t_adj==1) return b+c; qreal s; - if(a < ::qAbs(c)) { + if(a < ::fabs(c)) { a = c; - s = p * 0.25f; + s = p / 4.0f; } else { - s = p / (Q_2PI) * ::qAsin(c / a); + s = p / (2 * M_PI) * ::asin(c / a); } t_adj -= 1.0f; - return -(a*::qPow(2.0f,10*t_adj) * qSin( (t_adj*d-s)*(Q_2PI)/p )) + b; + return -(a*::qPow(2.0f,10*t_adj) * ::sin( (t_adj*d-s)*(2*M_PI)/p )) + b; } /** @@ -423,12 +429,12 @@ static qreal easeOutElastic_helper(qreal t, qreal /*b*/, qreal c, qreal /*d*/, q qreal s; if(a < c) { a = c; - s = p * 0.25f; + s = p / 4.0f; } else { - s = p / (Q_2PI) * ::qAsin(c / a); + s = p / (2 * M_PI) * ::asin(c / a); } - return (a*::qPow(2.0f,-10*t) * ::qSin( (t-s)*(Q_2PI)/p ) + c); + return (a*::qPow(2.0f,-10*t) * ::sin( (t-s)*(2*M_PI)/p ) + c); } /** @@ -454,20 +460,20 @@ static qreal easeOutElastic(qreal t, qreal a, qreal p) */ static qreal easeInOutElastic(qreal t, qreal a, qreal p) { - if (t==0) return qreal(0.0); - t*=qreal(2.0); - if (t==2) return qreal(1.0); + if (t==0) return 0.0; + t*=2.0; + if (t==2) return 1.0; qreal s; - if(a < qreal(1.0)) { - a = qreal(1.0); - s = p * 0.25f; + if(a < 1.0) { + a = 1.0; + s = p / 4.0f; } else { - s = p / (Q_2PI) * ::qAsin(qreal(1.0) / a); + s = p / (2 * M_PI) * ::asin(1.0 / a); } - if (t < 1) return qreal(-.5)*(a*::qPow(2.0f,10*(t-1)) * ::qSin( (t-1-s)*(Q_2PI)/p )); - return a*::qPow(2.0f,-10*(t-1)) * ::qSin( (t-1-s)*(Q_2PI)/p )*qreal(.5) + qreal(1.0); + if (t < 1) return -.5*(a*::qPow(2.0f,10*(t-1)) * ::sin( (t-1-s)*(2*M_PI)/p )); + return a*::qPow(2.0f,-10*(t-1)) * ::sin( (t-1-s)*(2*M_PI)/p )*.5 + 1.0; } /** @@ -480,8 +486,8 @@ static qreal easeInOutElastic(qreal t, qreal a, qreal p) */ static qreal easeOutInElastic(qreal t, qreal a, qreal p) { - if (t < qreal(0.5)) return easeOutElastic_helper(t*2, 0, qreal(0.5), qreal(1.0), a, p); - return easeInElastic_helper(2*t - qreal(1.0), qreal(0.5), qreal(0.5), qreal(1.0), a, p); + if (t < 0.5) return easeOutElastic_helper(t*2, 0, 0.5, 1.0, a, p); + return easeInElastic_helper(2*t - 1.0, 0.5, 0.5, 1.0, a, p); } /** @@ -518,14 +524,14 @@ static qreal easeOutBack(qreal t, qreal s) */ static qreal easeInOutBack(qreal t, qreal s) { - t *= qreal(2.0); + t *= 2.0; if (t < 1) { s *= 1.525f; - return qreal(0.5)*(t*t*((s+1)*t - s)); + return 0.5*(t*t*((s+1)*t - s)); } else { t -= 2; s *= 1.525f; - return qreal(0.5)*(t*t*((s+1)*t+ s) + 2); + return 0.5*(t*t*((s+1)*t+ s) + 2); } } @@ -538,26 +544,24 @@ static qreal easeInOutBack(qreal t, qreal s) */ static qreal easeOutInBack(qreal t, qreal s) { - if (t < qreal(0.5)) return easeOutBack (2*t, s) * qreal(0.5); - return easeInBack(2*t - 1, s) * qreal(0.5) + qreal(0.5); + if (t < 0.5) return easeOutBack (2*t, s)/2; + return easeInBack(2*t - 1, s)/2 + 0.5; } static qreal easeOutBounce_helper(qreal t, qreal c, qreal a) { - const qreal inv_22 = 1 / qreal(22.0); - const qreal inv_11 = 2 * inv_22; - if (t == qreal(1.0)) return c; - if (t < (4 * inv_11)) { - return c*(qreal(7.5625)*t*t); - } else if (t < (8 * inv_11)) { - t -= (6 * inv_11); - return -a * (qreal(1.) - (qreal(7.5625)*t*t + qreal(.75))) + c; - } else if (t < (10 * inv_11)) { - t -= (9 * inv_11); - return -a * (qreal(1.) - (qreal(7.5625)*t*t + qreal(.9375))) + c; + if (t == 1.0) return c; + if (t < (4/11.0)) { + return c*(7.5625*t*t); + } else if (t < (8/11.0)) { + t -= (6/11.0); + return -a * (1. - (7.5625*t*t + .75)) + c; + } else if (t < (10/11.0)) { + t -= (9/11.0); + return -a * (1. - (7.5625*t*t + .9375)) + c; } else { - t -= (21 * inv_22); - return -a * (qreal(1.) - (qreal(7.5625)*t*t + qreal(.984375))) + c; + t -= (21/22.0); + return -a * (1. - (7.5625*t*t + .984375)) + c; } } @@ -582,7 +586,7 @@ static qreal easeOutBounce(qreal t, qreal a) */ static qreal easeInBounce(qreal t, qreal a) { - return qreal(1.0) - easeOutBounce_helper(qreal(1.0)-t, qreal(1.0), a); + return 1.0 - easeOutBounce_helper(1.0-t, 1.0, a); } @@ -595,8 +599,8 @@ static qreal easeInBounce(qreal t, qreal a) */ static qreal easeInOutBounce(qreal t, qreal a) { - if (t < qreal(0.5)) return easeInBounce (2*t, a) * qreal(0.5); - else return (t == qreal(1.0)) ? qreal(1.0) : easeOutBounce (2*t - 1, a) * qreal(0.5) + qreal(0.5); + if (t < 0.5) return easeInBounce (2*t, a)/2; + else return (t == 1.0) ? 1.0 : easeOutBounce (2*t - 1, a)/2 + 0.5; } /** @@ -608,13 +612,13 @@ static qreal easeInOutBounce(qreal t, qreal a) */ static qreal easeOutInBounce(qreal t, qreal a) { - if (t < qreal(0.5)) return easeOutBounce_helper(t*2, qreal(0.5), a); - return qreal(1.0) - easeOutBounce_helper (qreal(2.0)-2*t, qreal(0.5), a); + if (t < 0.5) return easeOutBounce_helper(t*2, 0.5, a); + return 1.0 - easeOutBounce_helper (2.0-2*t, 0.5, a); } static inline qreal qt_sinProgress(qreal value) { - return qSin((value * Q_PI) - Q_PI2) * qreal(0.5) + qreal(0.5); + return qSin((value * M_PI) - M_PI_2) / 2 + qreal(0.5); } static inline qreal qt_smoothBeginEndMixFactor(qreal value) @@ -652,7 +656,7 @@ static qreal easeOutCurve(qreal t) */ static qreal easeSineCurve(qreal t) { - return (qSin(((t * Q_2PI)) - Q_PI2) + 1) * qreal(0.5); + return (qSin(((t * M_PI * 2)) - M_PI_2) + 1) / 2; } /** @@ -661,6 +665,6 @@ static qreal easeSineCurve(qreal t) */ static qreal easeCosineCurve(qreal t) { - return (qCos(((t * Q_2PI)) - Q_PI2) + 1) * qreal(0.5); + return (qCos(((t * M_PI * 2)) - M_PI_2) + 1) / 2; } |