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Add methods for calculating the size and postion of UI nodes (#7930)

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Co-authored-by: François <mockersf@gmail.com>
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ickshonpe 2023-03-09 14:12:54 +00:00 committed by GitHub
parent e22572d9a3
commit f554700108
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1 changed files with 17 additions and 0 deletions
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17
crates/bevy_ui/src/ui_node.rs
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@ -7,6 +7,7 @@ use bevy_render::{
color::Color, color::Color,
texture::{Image, DEFAULT_IMAGE_HANDLE}, texture::{Image, DEFAULT_IMAGE_HANDLE},
}; };
use bevy_transform::prelude::GlobalTransform;
use serde::{Deserialize, Serialize}; use serde::{Deserialize, Serialize};
use std::ops::{Div, DivAssign, Mul, MulAssign}; use std::ops::{Div, DivAssign, Mul, MulAssign};
use thiserror::Error; use thiserror::Error;
@ -26,6 +27,22 @@ impl Node {
pub fn size(&self) -> Vec2 { pub fn size(&self) -> Vec2 {
self.calculated_size self.calculated_size
} }
/// Returns the logical pixel coordinates of the UI node, based on its `GlobalTransform`.
#[inline]
pub fn logical_rect(&self, transform: &GlobalTransform) -> Rect {
Rect::from_center_size(transform.translation().truncate(), self.size())
}
/// Returns the physical pixel coordinates of the UI node, based on its `GlobalTransform` and the scale factor.
#[inline]
pub fn physical_rect(&self, transform: &GlobalTransform, scale_factor: f32) -> Rect {
let rect = self.logical_rect(transform);
Rect {
min: rect.min / scale_factor,
max: rect.max / scale_factor,
}
}
} }
impl Node { impl Node {