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fix asymmetrical 9-slicing #14148

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fix asymmetrical 9-slicing #14148

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2c6a595
fix asymmetrical slicing
JJJimbo1 Jul 5, 2024
a3ca983
aesthetic tweak
JJJimbo1 Jul 5, 2024
679ec5d
fix documentation inconsistency
JJJimbo1 Jul 7, 2024
390424f
fix failing test
JJJimbo1 Jul 7, 2024
907ef65
Merge branch 'main' of https://github.com/JJJimbo1/bevy
JJJimbo1 Jul 7, 2024
3db8c6b
Merge branch 'main' into main
alice-i-cecile Jul 14, 2024
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81 changes: 36 additions & 45 deletions crates/bevy_sprite/src/texture_slice/slicer.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -126,11 +126,11 @@ impl TextureSlicer {
),
},
draw_size: vec2(
bl_corner.draw_size.x,
render_size.y - (bl_corner.draw_size.y + tl_corner.draw_size.y),
tl_corner.draw_size.x,
render_size.y - (tl_corner.draw_size.y + bl_corner.draw_size.y),
),
offset: vec2(
-render_size.x + bl_corner.draw_size.x,
tl_corner.draw_size.x - render_size.x,
bl_corner.draw_size.y - tl_corner.draw_size.y,
) / 2.0,
},
Expand All @@ -141,21 +141,21 @@ impl TextureSlicer {
base_rect.max.x - self.border.right,
base_rect.min.y + self.border.top,
),
max: vec2(base_rect.max.x, base_rect.max.y - self.border.bottom),
max: base_rect.max - vec2(0.0, self.border.bottom),
},
draw_size: vec2(
br_corner.draw_size.x,
render_size.y - (br_corner.draw_size.y + tr_corner.draw_size.y),
tr_corner.draw_size.x,
render_size.y - (tr_corner.draw_size.y + br_corner.draw_size.y),
),
offset: vec2(
render_size.x - br_corner.draw_size.x,
render_size.x - tr_corner.draw_size.x,
br_corner.draw_size.y - tr_corner.draw_size.y,
) / 2.0,
},
]
}

/// Computes the 2 vertical side slices (bottom and top borders)
/// Computes the 2 vertical side slices (top and bottom borders)
#[must_use]
fn vertical_side_slices(
&self,
Expand All @@ -164,24 +164,6 @@ impl TextureSlicer {
render_size: Vec2,
) -> [TextureSlice; 2] {
[
// Bottom
TextureSlice {
texture_rect: Rect {
min: vec2(
base_rect.min.x + self.border.left,
base_rect.max.y - self.border.bottom,
),
max: vec2(base_rect.max.x - self.border.right, base_rect.max.y),
},
draw_size: vec2(
render_size.x - (bl_corner.draw_size.x + br_corner.draw_size.x),
bl_corner.draw_size.y,
),
offset: vec2(
(bl_corner.draw_size.x - br_corner.draw_size.x) / 2.0,
bl_corner.offset.y,
),
},
// Top
TextureSlice {
texture_rect: Rect {
Expand All @@ -196,9 +178,27 @@ impl TextureSlicer {
tl_corner.draw_size.y,
),
offset: vec2(
(tl_corner.draw_size.x - tr_corner.draw_size.x) / 2.0,
tl_corner.offset.y,
tl_corner.draw_size.x - tr_corner.draw_size.x,
render_size.y - tl_corner.draw_size.y,
) / 2.0,
},
// Bottom
TextureSlice {
texture_rect: Rect {
min: vec2(
base_rect.min.x + self.border.left,
base_rect.max.y - self.border.bottom,
),
max: base_rect.max - vec2(self.border.right, 0.0),
},
draw_size: vec2(
render_size.x - (bl_corner.draw_size.x + br_corner.draw_size.x),
bl_corner.draw_size.y,
),
offset: vec2(
bl_corner.draw_size.x - br_corner.draw_size.x,
bl_corner.draw_size.y - render_size.y,
) / 2.0,
},
]
}
Expand All @@ -216,11 +216,8 @@ impl TextureSlicer {
#[must_use]
pub fn compute_slices(&self, rect: Rect, render_size: Option<Vec2>) -> Vec<TextureSlice> {
let render_size = render_size.unwrap_or_else(|| rect.size());
let rect_size = rect.size() / 2.0;
if self.border.left >= rect_size.x
|| self.border.right >= rect_size.x
|| self.border.top >= rect_size.y
|| self.border.bottom >= rect_size.y
if self.border.left + self.border.right >= rect.size().x
|| self.border.top + self.border.bottom >= rect.size().y
{
bevy_utils::tracing::error!(
"TextureSlicer::border has out of bounds values. No slicing will be applied"
Expand All @@ -234,27 +231,21 @@ impl TextureSlicer {
let mut slices = Vec::with_capacity(9);
// Corners are in this order: [TL, TR, BL, BR]
let corners = self.corner_slices(rect, render_size);
// Vertical Sides: [B, T]
// Vertical Sides: [T, B]
let vertical_sides = self.vertical_side_slices(&corners, rect, render_size);
// Horizontal Sides: [L, R]
let horizontal_sides = self.horizontal_side_slices(&corners, rect, render_size);
// Center
let center = TextureSlice {
texture_rect: Rect {
min: rect.min + vec2(self.border.left, self.border.top),
max: vec2(
rect.max.x - self.border.right,
rect.max.y - self.border.bottom,
),
max: rect.max - vec2(self.border.right, self.border.bottom),
},
draw_size: vec2(
render_size.x - (corners[2].draw_size.x + corners[3].draw_size.x),
render_size.y - (corners[2].draw_size.y + corners[0].draw_size.y),
),
offset: Vec2::new(
(corners[0].draw_size.x - corners[3].draw_size.x) / 2.0,
(corners[2].draw_size.y - corners[0].draw_size.y) / 2.0,
render_size.x - (corners[0].draw_size.x + corners[1].draw_size.x),
render_size.y - (corners[0].draw_size.y + corners[2].draw_size.y),
),
offset: vec2(vertical_sides[0].offset.x, horizontal_sides[0].offset.y),
};

slices.extend(corners);
Expand Down Expand Up @@ -399,7 +390,7 @@ mod test {
}
);
assert_eq!(
vertical_sides[1], /* top */
vertical_sides[0], /* top */
TextureSlice {
texture_rect: Rect {
min: Vec2::new(5.0, 0.0),
Expand Down