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[Merged by Bors] - Document collide args #2721

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[Merged by Bors] - Document collide args #2721

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Document collide args
rukai Aug 24, 2021
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rukai Aug 24, 2021
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2 changes: 2 additions & 0 deletions crates/bevy_sprite/src/collide_aabb.rs
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Expand Up @@ -12,6 +12,8 @@ pub enum Collision {

// TODO: ideally we can remove this once bevy gets a physics system
/// Axis-aligned bounding box collision with "side" detection
/// * a_pos and b_pos are the center positions of the rectangles. (This is different to traditional AABB where the position is the corner)
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/// * a_size and b_size are the dimensions (width and height) of the rectangles.
pub fn collide(a_pos: Vec3, a_size: Vec2, b_pos: Vec3, b_size: Vec2) -> Option<Collision> {
let a_min = a_pos.truncate() - a_size / 2.0;
let a_max = a_pos.truncate() + a_size / 2.0;
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