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Make Range return 1.0 ratio if minimum and maximum values are equal

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An error message is also no longer printed.
This matches the behavior found in most UI frameworks where having
equal minimum and maximum values is considered acceptable.

This closes #43179.
This commit is contained in:
Hugo Locurcio 2021-01-15 23:13:08 +01:00
parent 05f5c8725b
commit 44204ec32d
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1 changed files with 4 additions and 1 deletions
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5
scene/gui/range.cpp
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@ -171,7 +171,10 @@ void Range::set_as_ratio(double p_value) {
}
double Range::get_as_ratio() const {
ERR_FAIL_COND_V_MSG(Math::is_equal_approx(get_max(), get_min()), 0.0, "Cannot get ratio when minimum and maximum value are equal.");
if (Math::is_equal_approx(get_max(), get_min())) {
// Avoid division by zero.
return 1.0;
}
if (shared->exp_ratio && get_min() >= 0) {
double exp_min = get_min() == 0 ? 0.0 : Math::log(get_min()) / Math::log((double)2);