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Add a special case for 0-time interpolations

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(cherry picked from commit 5c1195e456)
This commit is contained in:
kobewi
2021-09-17 00:50:07 +02:00
committed by Rémi Verschelde
parent e2b2319ee5
commit e0f46c2b38
1 changed files with 4 additions and 0 deletions
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4
thirdparty/misc/easing_equations.cpp vendored
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@@ -312,6 +312,10 @@ Tween::interpolater Tween::interpolaters[Tween::TRANS_COUNT][Tween::EASE_COUNT]
};
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) {
if (d == 0) {
// Special case to avoid dividing by 0 in equations.
return b + c;
}
interpolater cb = interpolaters[p_trans_type][p_ease_type];
ERR_FAIL_COND_V(cb == NULL, b);