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Improve logic for when submenus are kept open (#4166)

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* Closes https://github.com/emilk/egui/issues/2853
* Closes https://github.com/emilk/egui/issues/4101
* Reverts parts of https://github.com/emilk/egui/pull/3055
This commit is contained in:
Emil Ernerfeldt
2024-03-13 12:32:54 +01:00
committed by GitHub
parent f019032033
commit 0afbefc884
3 changed files with 57 additions and 10 deletions
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26
crates/emath/src/rect.rs
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@@ -605,6 +605,32 @@ impl Rect {
}
}
impl Rect {
/// Does this Rect intersect the given ray (where `d` is normalized)?
pub fn intesects_ray(&self, o: Pos2, d: Vec2) -> bool {
let mut tmin = -f32::INFINITY;
let mut tmax = f32::INFINITY;
if d.x != 0.0 {
let tx1 = (self.min.x - o.x) / d.x;
let tx2 = (self.max.x - o.x) / d.x;
tmin = tmin.max(tx1.min(tx2));
tmax = tmax.min(tx1.max(tx2));
}
if d.y != 0.0 {
let ty1 = (self.min.y - o.y) / d.y;
let ty2 = (self.max.y - o.y) / d.y;
tmin = tmin.max(ty1.min(ty2));
tmax = tmax.min(ty1.max(ty2));
}
tmin <= tmax
}
}
impl std::fmt::Debug for Rect {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(f, "[{:?} - {:?}]", self.min, self.max)