diff options
Diffstat (limited to 'thirdparty/misc/easing_equations.cpp')
| -rw-r--r-- | thirdparty/misc/easing_equations.cpp | 39 |
1 files changed, 25 insertions, 14 deletions
diff --git a/thirdparty/misc/easing_equations.cpp b/thirdparty/misc/easing_equations.cpp index bc84564b19..ce32c1a362 100644 --- a/thirdparty/misc/easing_equations.cpp +++ b/thirdparty/misc/easing_equations.cpp @@ -188,7 +188,8 @@ static real_t out_in(real_t t, real_t b, real_t c, real_t d) { /////////////////////////////////////////////////////////////////////////// namespace cubic { static real_t in(real_t t, real_t b, real_t c, real_t d) { - return c * (t /= d) * t * t + b; + t /= d; + return c * t * t * t + b; } static real_t out(real_t t, real_t b, real_t c, real_t d) { @@ -197,8 +198,10 @@ static real_t out(real_t t, real_t b, real_t c, real_t d) { } static real_t in_out(real_t t, real_t b, real_t c, real_t d) { - if ((t /= d / 2) < 1) return c / 2 * t * t * t + b; - return c / 2 * ((t -= 2) * t * t + 2) + b; + t /= d / 2; + if (t < 1) return c / 2 * t * t * t + b; + t -= 2; + return c / 2 * (t * t * t + 2) + b; } static real_t out_in(real_t t, real_t b, real_t c, real_t d) { @@ -210,16 +213,22 @@ static real_t out_in(real_t t, real_t b, real_t c, real_t d) { /////////////////////////////////////////////////////////////////////////// namespace circ { static real_t in(real_t t, real_t b, real_t c, real_t d) { - return -c * (sqrt(1 - (t /= d) * t) - 1) + b; // TODO: ehrich: operation with t is undefined + t /= d; + return -c * (sqrt(1 - t * t) - 1) + b; } static real_t out(real_t t, real_t b, real_t c, real_t d) { - return c * sqrt(1 - (t = t / d - 1) * t) + b; // TODO: ehrich: operation with t is undefined + t = t / d - 1; + return c * sqrt(1 - t * t) + b; } static real_t in_out(real_t t, real_t b, real_t c, real_t d) { - if ((t /= d / 2) < 1) return -c / 2 * (sqrt(1 - t * t) - 1) + b; - return c / 2 * (sqrt(1 - t * (t -= 2)) + 1) + b; // TODO: ehrich: operation with t is undefined + t /= d / 2; + if (t < 1) { + return -c / 2 * (sqrt(1 - t * t) - 1) + b; + } + t -= 2; + return c / 2 * (sqrt(1 - t * t) + 1) + b; } static real_t out_in(real_t t, real_t b, real_t c, real_t d) { @@ -271,14 +280,16 @@ static real_t in(real_t t, real_t b, real_t c, real_t d) { static real_t out(real_t t, real_t b, real_t c, real_t d) { float s = 1.70158f; - return c * ((t = t / d - 1) * t * ((s + 1) * t + s) + 1) + b; // TODO: ehrich: operation with t is undefined + t = t / d - 1; + return c * (t * t * ((s + 1) * t + s) + 1) + b; } static real_t in_out(real_t t, real_t b, real_t c, real_t d) { - float s = 1.70158f; - if ((t /= d / 2) < 1) return c / 2 * (t * t * (((s *= (1.525f)) + 1) * t - s)) + b; // TODO: ehrich: operation with s is undefined - float postFix = t -= 2; - return c / 2 * ((postFix)*t * (((s *= (1.525f)) + 1) * t + s) + 2) + b; // TODO: ehrich: operation with s is undefined + float s = 1.70158f * 1.525f; + t /= d / 2; + if (t < 1) return c / 2 * (t * t * ((s + 1) * t - s)) + b; + t -= 2; + return c / 2 * (t * t * ((s + 1) * t + s) + 2) + b; } static real_t out_in(real_t t, real_t b, real_t c, real_t d) { @@ -286,7 +297,7 @@ static real_t out_in(real_t t, real_t b, real_t c, real_t d) { } }; // namespace back -Tween::interpolater Tween::interpolaters[Tween::TRANS_COUNT][Tween::EASE_COUNT] = { +Tween::interpolater Tween::interpolaters[Tween::TRANS_MAX][Tween::EASE_MAX] = { { &linear::in, &linear::out, &linear::in_out, &linear::out_in }, { &sine::in, &sine::out, &sine::in_out, &sine::out_in }, { &quint::in, &quint::out, &quint::in_out, &quint::out_in }, @@ -300,7 +311,7 @@ Tween::interpolater Tween::interpolaters[Tween::TRANS_COUNT][Tween::EASE_COUNT] { &back::in, &back::out, &back::in_out, &back::out_in }, }; -real_t Tween::_run_equation(TransitionType p_trans_type, EaseType p_ease_type, real_t t, real_t b, real_t c, real_t d) { +real_t Tween::run_equation(TransitionType p_trans_type, EaseType p_ease_type, real_t t, real_t b, real_t c, real_t d) { interpolater cb = interpolaters[p_trans_type][p_ease_type]; ERR_FAIL_COND_V(cb == NULL, b); |