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Anchor constants

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This commit is contained in:
Carter Anderson 2020-05-04 11:02:04 -07:00
parent f5149cab05
commit 076fef873a
2 changed files with 32 additions and 15 deletions
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19
crates/bevy_ui/src/anchors.rs
View File

@ -7,7 +7,24 @@ pub struct Anchors {
}
impl Anchors {
pub fn new(left: f32, right: f32, bottom: f32, top: f32) -> Self {
pub const CENTER: Anchors = Anchors::new(0.5, 0.5, 0.5, 0.5);
pub const CENTER_LEFT: Anchors = Anchors::new(0.0, 0.0, 0.5, 0.5);
pub const CENTER_RIGHT: Anchors = Anchors::new(1.0, 1.0, 0.5, 0.5);
pub const CENTER_TOP: Anchors = Anchors::new(0.5, 0.5, 1.0, 1.0);
pub const CENTER_BOTTOM: Anchors = Anchors::new(0.5, 0.5, 0.0, 0.0);
pub const CENTER_FULL_VERTICAL: Anchors = Anchors::new(0.5, 0.5, 0.0, 1.0);
pub const CENTER_FULL_HORIZONTAL: Anchors = Anchors::new(0.0, 1.0, 0.5, 0.5);
pub const LEFT_FULL: Anchors = Anchors::new(0.0, 0.0, 0.0, 1.0);
pub const RIGHT_FULL: Anchors = Anchors::new(1.0, 1.0, 0.0, 1.0);
pub const TOP_FULL: Anchors = Anchors::new(0.0, 1.0, 1.0, 1.0);
pub const BOTTOM_FULL: Anchors = Anchors::new(0.0, 1.0, 0.0, 0.0);
pub const BOTTOM_LEFT: Anchors = Anchors::new(0.0, 0.0, 0.0, 0.0);
pub const BOTTOM_RIGHT: Anchors = Anchors::new(1.0, 1.0, 0.0, 0.0);
pub const TOP_RIGHT: Anchors = Anchors::new(1.0, 1.0, 1.0, 1.0);
pub const TOP_LEFT: Anchors = Anchors::new(0.0, 0.0, 1.0, 1.0);
pub const FULL: Anchors = Anchors::new(0.0, 1.0, 0.0, 1.0);
pub const fn new(left: f32, right: f32, bottom: f32, top: f32) -> Self {
Anchors {
left,
right,

28
examples/ui/ui.rs
View File

@ -61,7 +61,7 @@ fn setup(world: &mut World, resources: &mut Resources) {
.add_entity(UiEntity {
node: Node::new(
math::vec2(0.0, 0.0),
Anchors::new(0.0, 0.0, 0.0, 1.0),
Anchors::LEFT_FULL,
Margins::new(10.0, 200.0, 10.0, 10.0),
),
material: color_materials.add(Color::rgb(0.02, 0.02, 0.02).into()),
@ -71,8 +71,8 @@ fn setup(world: &mut World, resources: &mut Resources) {
.add_entity(UiEntity {
node: Node::new(
math::vec2(0.0, 0.0),
Anchors::new(1.0, 1.0, 0.0, 1.0),
Margins::new(10.0, 100.0, 50.0, 100.0),
Anchors::RIGHT_FULL,
Margins::new(10.0, 100.0, 100.0, 100.0),
),
material: color_materials.add(Color::rgb(0.02, 0.02, 0.02).into()),
..Default::default()
@ -81,7 +81,7 @@ fn setup(world: &mut World, resources: &mut Resources) {
.add_entity(UiEntity {
node: Node::new(
math::vec2(75.0, 75.0),
Anchors::new(0.5, 0.5, 0.5, 0.5),
Anchors::CENTER,
Margins::new(0.0, 100.0, 0.0, 100.0),
),
material: color_materials.add(Color::rgb(1.0, 0.0, 0.0).into()),
@ -90,7 +90,7 @@ fn setup(world: &mut World, resources: &mut Resources) {
.add_entity(UiEntity {
node: Node::new(
math::vec2(50.0, 50.0),
Anchors::new(0.5, 0.5, 0.5, 0.5),
Anchors::CENTER,
Margins::new(0.0, 100.0, 0.0, 100.0),
),
material: color_materials.add(Color::rgb(1.0, 0.3, 0.3).into()),
@ -99,7 +99,7 @@ fn setup(world: &mut World, resources: &mut Resources) {
.add_entity(UiEntity {
node: Node::new(
math::vec2(100.0, 100.0),
Anchors::new(0.5, 0.5, 0.5, 0.5),
Anchors::CENTER,
Margins::new(0.0, 100.0, 0.0, 100.0),
),
material: color_materials.add(Color::rgb(1.0, 0.5, 0.5).into()),
@ -108,7 +108,7 @@ fn setup(world: &mut World, resources: &mut Resources) {
.add_entity(UiEntity {
node: Node::new(
math::vec2(150.0, 150.0),
Anchors::new(0.5, 0.5, 0.5, 0.5),
Anchors::CENTER,
Margins::new(0.0, 100.0, 0.0, 100.0),
),
material: color_materials.add(Color::rgb(1.0, 0.7, 0.7).into()),
@ -117,8 +117,8 @@ fn setup(world: &mut World, resources: &mut Resources) {
// parenting
.add_entity(UiEntity {
node: Node::new(
math::vec2(300.0, 300.0),
Anchors::new(0.0, 0.0, 0.0, 0.0),
math::vec2(210.0, 10.0),
Anchors::BOTTOM_LEFT,
Margins::new(0.0, 200.0, 0.0, 200.0),
),
material: color_materials.add(Color::rgb(0.1, 0.1, 1.0).into()),
@ -128,7 +128,7 @@ fn setup(world: &mut World, resources: &mut Resources) {
builder.add_entity(UiEntity {
node: Node::new(
math::vec2(0.0, 0.0),
Anchors::new(0.0, 1.0, 0.0, 1.0),
Anchors::FULL,
Margins::new(20.0, 20.0, 20.0, 20.0),
),
material: blue_material_handle,
@ -139,7 +139,7 @@ fn setup(world: &mut World, resources: &mut Resources) {
.add_entity(UiEntity {
node: Node::new(
math::vec2(200.0, 200.0),
Anchors::new(0.5, 0.5, 0.5, 0.5),
Anchors::CENTER,
Margins::new(0.0, 100.0, 0.0, 100.0),
),
material: color_materials.add(Color::rgba(1.0, 0.9, 0.9, 0.4).into()),
@ -148,9 +148,9 @@ fn setup(world: &mut World, resources: &mut Resources) {
// texture
.add_entity(UiEntity {
node: Node::new(
math::vec2(400.0, 100.0),
Anchors::new(0.0, 0.0, 0.0, 0.0),
Margins::new(0.0, 500.0, 0.0, 500.0 * aspect),
math::vec2(0.0, 0.0),
Anchors::CENTER_BOTTOM,
Margins::new(0.0, 500.0, 10.0, 10.0 + 500.0 * aspect),
),
material: color_materials.add(ColorMaterial::texture(texture_handle)),
..Default::default()