diff options
Diffstat (limited to 'scene/animation/tween.cpp')
| -rw-r--r-- | scene/animation/tween.cpp | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/scene/animation/tween.cpp b/scene/animation/tween.cpp index 2847031375..c43b83747b 100644 --- a/scene/animation/tween.cpp +++ b/scene/animation/tween.cpp @@ -30,8 +30,23 @@ #include "tween.h" +#include "scene/animation/easing_equations.h" #include "scene/main/node.h" +Tween::interpolater Tween::interpolaters[Tween::TRANS_MAX][Tween::EASE_MAX] = { + { &linear::in, &linear::in, &linear::in, &linear::in }, // Linear is the same for each easing. + { &sine::in, &sine::out, &sine::in_out, &sine::out_in }, + { &quint::in, &quint::out, &quint::in_out, &quint::out_in }, + { &quart::in, &quart::out, &quart::in_out, &quart::out_in }, + { &quad::in, &quad::out, &quad::in_out, &quad::out_in }, + { &expo::in, &expo::out, &expo::in_out, &expo::out_in }, + { &elastic::in, &elastic::out, &elastic::in_out, &elastic::out_in }, + { &cubic::in, &cubic::out, &cubic::in_out, &cubic::out_in }, + { &circ::in, &circ::out, &circ::in_out, &circ::out_in }, + { &bounce::in, &bounce::out, &bounce::in_out, &bounce::out_in }, + { &back::in, &back::out, &back::in_out, &back::out_in }, +}; + void Tweener::set_tween(Ref<Tween> p_tween) { tween = p_tween; } @@ -317,6 +332,16 @@ bool Tween::should_pause() { return pause_mode != TWEEN_PAUSE_PROCESS; } +real_t Tween::run_equation(TransitionType p_trans_type, EaseType p_ease_type, real_t p_time, real_t p_initial, real_t p_delta, real_t p_duration) { + if (p_duration == 0) { + // Special case to avoid dividing by 0 in equations. + return p_initial + p_delta; + } + + interpolater func = interpolaters[p_trans_type][p_ease_type]; + return func(p_time, p_initial, p_delta, p_duration); +} + Variant Tween::interpolate_variant(Variant p_initial_val, Variant p_delta_val, float p_time, float p_duration, TransitionType p_trans, EaseType p_ease) { ERR_FAIL_INDEX_V(p_trans, TransitionType::TRANS_MAX, Variant()); ERR_FAIL_INDEX_V(p_ease, EaseType::EASE_MAX, Variant()); |