wip: Added ShadowMesh component
hheik
parent
ca65416c73
commit
b13ee649be
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@ -5,7 +5,7 @@ use bevy::render::camera::ScalingMode;
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use bevy::{input::mouse::MouseMotion, transform::TransformSystem};
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use bevy_ecs_ldtk::prelude::*;
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use super::darkness::{PointLight2D, SpotLight2D};
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use super::darkness::{PointLight2D, ShadowMesh, SpotLight2D};
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pub struct GameCameraPlugin;
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@ -95,6 +95,7 @@ fn camera_setup(mut commands: Commands) {
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ComputedVisibility::default(),
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CameraRoomRestraint,
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PointLight2D { radius: 30.0 },
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ShadowMesh::default(),
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));
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}
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@ -28,6 +28,7 @@ impl Plugin for DarknessPlugin {
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fn build(&self, app: &mut App) {
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app.register_type::<PointLight2D>()
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.register_type::<SpotLight2D>()
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.register_type::<ShadowMesh>()
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.register_type::<VisibilityBlocker>()
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.register_asset_reflect::<DarknessMaterial>()
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.add_plugins(Material2dPlugin::<DarknessMaterial>::default())
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@ -86,6 +87,18 @@ pub(crate) struct GpuSpotLight2D {
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#[reflect(Component)]
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pub struct VisibilityBlocker;
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#[derive(Reflect, Default, Debug, Clone, Copy)]
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pub struct ShadowVertex {
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pub point: Vec2,
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pub angle: f32,
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}
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#[derive(Component, Reflect, Default, Debug, Clone)]
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#[reflect(Component)]
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pub struct ShadowMesh {
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pub vertices: Vec<ShadowVertex>,
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}
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fn add_to_level(
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mut commands: Commands,
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mut level_events: EventReader<LevelEvent>,
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@ -150,9 +163,9 @@ fn add_to_level(
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DarknessMeshBundle {
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transform: Transform::from_xyz(0.0, 0.0, 100.0),
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mesh: Mesh2dHandle(meshes.add(plane)),
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material: materials.add(DarknessMaterial::new(
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Color::rgba(0.0, 0.0, 0.0, 0.75),
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Some(images.add(Image::new(
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material: materials.add(DarknessMaterial {
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color: Color::rgba(0.0, 0.0, 0.0, 0.75),
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shadowmap_texture: Some(images.add(Image::new(
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Extent3d {
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width: width as u32,
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height: height as u32,
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@ -162,7 +175,8 @@ fn add_to_level(
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vec![0; width * height * 4],
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bevy::render::render_resource::TextureFormat::R32Float,
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))),
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)),
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..default()
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}),
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..default()
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},
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));
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@ -175,6 +189,7 @@ fn add_to_level(
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}
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fn prepare_lights(
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mut shadow_mesh_query: Query<&mut ShadowMesh>,
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mut materials: ResMut<Assets<DarknessMaterial>>,
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mut images: ResMut<Assets<Image>>,
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mut debug_draw: ResMut<DebugLines>,
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@ -184,11 +199,11 @@ fn prepare_lights(
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transform_query: Query<&GlobalTransform>,
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collider_query: Query<&Collider>,
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material_query: Query<&Handle<DarknessMaterial>>,
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point_light_query: Query<(&GlobalTransform, &PointLight2D)>,
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spot_light_query: Query<(&GlobalTransform, &SpotLight2D)>,
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point_light_query: Query<(&GlobalTransform, &PointLight2D, Entity)>,
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spot_light_query: Query<(&GlobalTransform, &SpotLight2D, Entity)>,
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) {
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let point_lights: Vec<(_, _)> = point_light_query.iter().collect();
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let spot_lights: Vec<(_, _)> = spot_light_query.iter().collect();
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let point_lights: Vec<(_, _, _)> = point_light_query.iter().collect();
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let spot_lights: Vec<(_, _, _)> = spot_light_query.iter().collect();
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for handle in &material_query {
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let material = match materials.get_mut(handle) {
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Some(material) => material,
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@ -207,7 +222,7 @@ fn prepare_lights(
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point_lights
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.iter()
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.enumerate()
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.for_each(|(i, (transform, light))| {
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.for_each(|(i, (transform, light, entity))| {
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let rect = light.aabb();
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let polygon = get_light_geometry(
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&rapier_context,
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@ -220,10 +235,23 @@ fn prepare_lights(
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),
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);
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if let Ok(mut shadow_mesh) = shadow_mesh_query.get_mut(*entity) {
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shadow_mesh.vertices = polygon
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.iter()
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.map(|point| ShadowVertex {
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point: *point,
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angle: f32::atan2(
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point.y - transform.translation().y,
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point.x - transform.translation().x,
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),
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})
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.collect()
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}
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if debug_mode.enabled {
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for (i, arr) in polygon.iter().as_slice().windows(2).enumerate() {
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let p1 = arr[0];
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let p2 = arr[1];
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for i in 0..polygon.len() {
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let p1 = polygon[i];
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let p2 = polygon[(i + 1) % polygon.len()];
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let t1 = i as f32 / polygon.len() as f32;
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let t2 = (i + 1) as f32 / polygon.len() as f32;
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let color1 = Color::rgba(1.0 - t1, t1, 0.0, 1.0);
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@ -242,6 +270,7 @@ fn prepare_lights(
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position: transform.translation().truncate(),
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radius: light.radius,
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};
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// TODO: Remove when shadowmapping is done
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for x in 0..SHADOWMAP_RESOLUTION {
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let offset = (i * SHADOWMAP_RESOLUTION + x) * 4;
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let distance = light.radius;
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@ -257,7 +286,7 @@ fn prepare_lights(
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spot_lights
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.iter()
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.enumerate()
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.for_each(|(i, (transform, light))| {
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.for_each(|(i, (transform, light, entity))| {
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material.spot_lights[i] = GpuSpotLight2D {
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position: transform.translation().truncate(),
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radius: light.radius,
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@ -267,6 +296,7 @@ fn prepare_lights(
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padding2: 0,
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padding3: 0,
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};
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// TODO: Remove when shadowmapping is done
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for x in 0..SHADOWMAP_RESOLUTION {
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let offset = ((i + MAX_POINT_LIGHTS) * SHADOWMAP_RESOLUTION + x) * 4;
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let distance = x as f32 / SHADOWMAP_RESOLUTION as f32 * light.radius;
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@ -347,7 +377,6 @@ fn get_light_geometry(
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.for_each(|ray| polygon.push(aabb.center() + *ray));
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}
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polygon.push(*polygon.first().unwrap());
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polygon
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}
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