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saner orthographic projection

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This commit is contained in:
Carter Anderson 2020-06-04 17:09:24 -07:00
parent e72b5583d1
commit db6a365b13
6 changed files with 9 additions and 13 deletions
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6
crates/bevy_render/src/camera/projection.rs
View file

@ -55,7 +55,7 @@ pub struct OrthographicProjection {
impl CameraProjection for OrthographicProjection {
fn get_view_matrix(&self) -> Mat4 {
let projection = Mat4::orthographic_rh_gl(
let projection = Mat4::orthographic_rh(
self.left,
self.right,
self.bottom,
@ -92,8 +92,8 @@ impl Default for OrthographicProjection {
right: 0.0,
bottom: 0.0,
top: 0.0,
near: 0.0,
far: 1.0,
near: -1.0,
far: 0.1,
window_origin: WindowOrigin::Center,
}
}

2
crates/bevy_sprite/src/render/sprite.vert
View file

@ -19,6 +19,6 @@ layout(set = 1, binding = 0) uniform Quad {
void main() {
v_Uv = Vertex_Uv;
vec3 position = Vertex_Position * vec3(Quad_Size, 0.0);
position = position + vec3(Quad_Position, -Quad_ZIndex);
position = position + vec3(Quad_Position, Quad_ZIndex);
gl_Position = ViewProj * vec4(position, 1.0);
}

2
crates/bevy_ui/src/render/ui.vert
View file

@ -19,6 +19,6 @@ layout(set = 1, binding = 0) uniform Quad {
void main() {
v_Uv = Vertex_Uv;
vec3 position = Vertex_Position * vec3(Quad_Size, 0.0);
position = position + vec3(Quad_Position, -Quad_ZIndex);
position = position + vec3(Quad_Position, Quad_ZIndex);
gl_Position = ViewProj * vec4(position, 1.0);
}

6
crates/bevy_ui/src/ui_update_system.rs
View file

@ -20,7 +20,7 @@ pub fn ui_update_system() -> Box<dyn Schedulable> {
let mut window_quad = Quad {
size: Vec2::new(window.width as f32, window.height as f32),
position: Vec2::new(0.0, 0.0),
z_index: 0.9999,
z_index: 0.0,
};
for entity in node_query
.iter_entities(world)
@ -57,7 +57,7 @@ fn update_node_entity(world: &mut SubWorld, entity: Entity, parent_quad: Quad) -
return Some(Quad {
size: quad.size,
position: quad.position - quad.size / 2.0,
z_index: quad.z_index - UI_Z_STEP,
z_index: quad.z_index + UI_Z_STEP,
});
}
}
@ -69,6 +69,6 @@ fn update_node_entity(world: &mut SubWorld, entity: Entity, parent_quad: Quad) -
fn process_child_result(_parent_result: Quad, child_result: Quad) -> Quad {
// "earlier" children are sorted behind "later" children
let mut result = child_result.clone();
result.z_index -= UI_Z_STEP;
result.z_index += UI_Z_STEP;
result
}

4
examples/2d/sprite.rs
View file

@ -17,10 +17,6 @@ fn setup(
.build()
.add_entity(OrthographicCameraEntity::default())
.add_entity(SpriteEntity {
quad: Quad {
z_index: 0.5,
..Default::default()
},
material: materials.add(texture_handle.into()),
..Default::default()
});

2
examples/2d/sprite_sheet.rs
View file

@ -42,7 +42,7 @@ fn setup(
sprite: SpriteSheetSprite {
index: 0,
scale: 6.0,
position: Vec3::new(0.0, 0.0, -0.5),
position: Vec3::new(0.0, 0.0, 0.0),
},
..Default::default()
})