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render: draw in back-to-front mode to be safe (until we can do both at the same time). expand texture example

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This commit is contained in:
Carter Anderson 2020-06-23 19:27:00 -07:00
parent 3ee8aa8b0f
commit 2c74560283
2 changed files with 19 additions and 4 deletions
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2
crates/bevy_render/src/render_graph/nodes/main_pass_node.rs
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@ -103,7 +103,7 @@ impl Node for MainPassNode {
}; };
let mut draw_state = DrawState::default(); let mut draw_state = DrawState::default();
for visible_entity in visible_entities.iter() { for visible_entity in visible_entities.iter().rev() {
let draw = if let Some(draw) = world.get_component::<Draw>(visible_entity.entity) { let draw = if let Some(draw) = world.get_component::<Draw>(visible_entity.entity) {
draw draw
} else { } else {

21
examples/3d/texture.rs
View file

@ -34,13 +34,20 @@ fn setup(
..Default::default() ..Default::default()
}); });
// this material modulates the texture to make it red // this material modulates the texture to make it red (and slightly transparent)
let modulated_material_handle = materials.add(StandardMaterial { let red_material_handle = materials.add(StandardMaterial {
albedo: Color::rgba(1.0, 0.0, 0.0, 0.5), albedo: Color::rgba(1.0, 0.0, 0.0, 0.5),
albedo_texture: Some(texture_handle), albedo_texture: Some(texture_handle),
..Default::default() ..Default::default()
}); });
// and lets make this one blue! (and also slightly transparent)
let blue_material_handle = materials.add(StandardMaterial {
albedo: Color::rgba(0.0, 0.0, 1.0, 0.5),
albedo_texture: Some(texture_handle),
..Default::default()
});
// add entities to the world // add entities to the world
command_buffer command_buffer
.build() .build()
@ -48,6 +55,14 @@ fn setup(
.add_entity(MeshEntity { .add_entity(MeshEntity {
mesh: quad_handle, mesh: quad_handle,
material: material_handle, material: material_handle,
translation: Translation::new(0.0, -1.5, 0.0),
rotation: Rotation::from_euler_angles(0.0, std::f32::consts::PI / 3.0, 0.0),
..Default::default()
})
// textured quad - modulated
.add_entity(MeshEntity {
mesh: quad_handle,
material: red_material_handle,
translation: Translation::new(0.0, 0.0, 0.0), translation: Translation::new(0.0, 0.0, 0.0),
rotation: Rotation::from_euler_angles(0.0, std::f32::consts::PI / 3.0, 0.0), rotation: Rotation::from_euler_angles(0.0, std::f32::consts::PI / 3.0, 0.0),
..Default::default() ..Default::default()
@ -55,7 +70,7 @@ fn setup(
// textured quad - modulated // textured quad - modulated
.add_entity(MeshEntity { .add_entity(MeshEntity {
mesh: quad_handle, mesh: quad_handle,
material: modulated_material_handle, material: blue_material_handle,
translation: Translation::new(0.0, 1.5, 0.0), translation: Translation::new(0.0, 1.5, 0.0),
rotation: Rotation::from_euler_angles(0.0, std::f32::consts::PI / 3.0, 0.0), rotation: Rotation::from_euler_angles(0.0, std::f32::consts::PI / 3.0, 0.0),
..Default::default() ..Default::default()