honeycomb_render/
render_map.rs

1use bevy::prelude::*;
2
3use crate::{
4    components::{Dart, Edge, FaceId, Vertex},
5    import_map::Face,
6    resources::{
7        DartHeadMul, DartRenderColor, DartShrink, EdgeRenderColor, FaceNormals, FaceRenderColor,
8        FaceShrink, MapVertices, VertexRenderColor, VertexWidth,
9    },
10};
11
12/// Dart gizmos configuration group.
13#[derive(Default, Reflect, GizmoConfigGroup)]
14pub struct DartGizmos;
15
16/// Dart rendering schedule condition.
17pub fn render_dart_enabled(drc: Res<DartRenderColor>) -> bool {
18    drc.0
19}
20
21/// Dart rendering system.
22pub fn render_darts(
23    mut gizmos: Gizmos<DartGizmos>,
24    // common data
25    vertices: Res<MapVertices>,
26    face_normals: Res<FaceNormals>,
27    // dart render params
28    dart_render_color: Res<DartRenderColor>,
29    dart_head_mul: Res<DartHeadMul>,
30    // dart_width: Res<DartWidth>, // config is edited directly in the option functions
31    dart_shrink: Res<DartShrink>,
32    // dart to render
33    q: Query<(&Dart, &FaceId)>,
34) {
35    // let dart_mat = materials.add(Color::Srgba(Srgba::from_u8_array(
36    //     dart_render_color.1.to_array(),
37    // )));
38    let vertices = &vertices.0;
39    let face_normals = &face_normals.0;
40    let [red, green, blue, alpha] = dart_render_color.1.to_srgba_unmultiplied();
41    for (d, face_id) in &q {
42        let (n1, n2) = (
43            &face_normals[&(face_id.0, d.start)],
44            &face_normals[&(face_id.0, d.end)],
45        );
46        let (ov1, ov2) = (&vertices[d.start], &vertices[d.end]);
47
48        let (mut v1, mut v2) = (*ov1 + (*n1 * dart_shrink.0), *ov2 + (*n2 * dart_shrink.0));
49        let (dir, len) = ((v2 - v1).normalize(), (v2 - v1).length());
50        v1 += dir * (len * dart_shrink.0.abs() / 2.0);
51        v2 -= dir * (len * dart_shrink.0.abs() / 2.0);
52
53        gizmos
54            .arrow(v1, v2, Color::srgba_u8(red, green, blue, alpha))
55            .with_tip_length(dart_head_mul.0);
56    }
57}
58
59/// Vertex gizmos configuration group.
60#[derive(Default, Reflect, GizmoConfigGroup)]
61pub struct VertexGizmos;
62
63/// Vertex rendering schedule condition.
64pub fn render_vertex_enabled(vrc: Res<VertexRenderColor>) -> bool {
65    vrc.0
66}
67
68/// Vertex rendering system.
69pub fn render_vertices(
70    mut gizmos: Gizmos<VertexGizmos>,
71    vertices: Res<MapVertices>,
72    vertex_render_color: Res<VertexRenderColor>,
73    vertex_width: Res<VertexWidth>,
74    q: Query<&Vertex>,
75) {
76    let vertices = &vertices.0;
77    let [red, green, blue, alpha] = vertex_render_color.1.to_srgba_unmultiplied();
78
79    for v in &q {
80        gizmos.sphere(
81            vertices[v.0],
82            Quat::default(),
83            vertex_width.0 / 2.0,
84            Color::srgba_u8(red, green, blue, alpha),
85        );
86    }
87}
88
89/// Edge gizmos configuration group.
90#[derive(Default, Reflect, GizmoConfigGroup)]
91pub struct EdgeGizmos;
92
93/// Edge rendering schedule condition.
94pub fn render_edge_enabled(erc: Res<EdgeRenderColor>) -> bool {
95    erc.0
96}
97
98/// Edge rendering system.
99pub fn render_edges(
100    mut gizmos: Gizmos<EdgeGizmos>,
101    vertices: Res<MapVertices>,
102    edge_render_color: Res<EdgeRenderColor>,
103    // edge_width: Res<EdgeWidth>,
104    q: Query<&Edge>,
105) {
106    let vertices = &vertices.0;
107    let [red, green, blue, alpha] = edge_render_color.1.to_srgba_unmultiplied();
108
109    for e in &q {
110        gizmos.line(
111            vertices[e.0],
112            vertices[e.1],
113            Color::srgba_u8(red, green, blue, alpha),
114        );
115    }
116}
117
118/// Face gizmos configuration group.
119#[derive(Default, Reflect, GizmoConfigGroup)]
120pub struct FaceGizmos;
121
122/// Face rendering schedule condition.
123pub fn render_face_enabled(frc: Res<FaceRenderColor>) -> bool {
124    frc.0
125}
126
127#[allow(clippy::missing_panics_doc)]
128/// Face rendering system.
129///
130/// This currently renders faces using a set of edges; the face isn't fully colored.
131pub fn render_faces(
132    mut gizmos: Gizmos<VertexGizmos>,
133    vertices: Res<MapVertices>,
134    face_normals: Res<FaceNormals>,
135    face_render_color: Res<FaceRenderColor>,
136    face_shrink: Res<FaceShrink>,
137    q: Query<(&Face, &FaceId)>,
138) {
139    let vertices = &vertices.0;
140    let normals = &face_normals.0;
141    let [red, green, blue, alpha] = face_render_color.1.to_srgba_unmultiplied();
142
143    for (Face(v), FaceId(fid)) in &q {
144        v.windows(2).for_each(|sl| {
145            let &[vid1, vid2] = sl else { unreachable!() };
146            let (n1, n2) = (&normals[&(*fid, vid1)], &normals[&(*fid, vid2)]);
147            let (ov1, ov2) = (&vertices[vid1], &vertices[vid2]);
148
149            let (v1, v2) = (*ov1 + (*n1 * face_shrink.0), *ov2 + (*n2 * face_shrink.0));
150
151            gizmos.line(v1, v2, Color::srgba_u8(red, green, blue, alpha));
152        });
153        {
154            let [vid1, vid2] = [*v.last().unwrap(), v[0]];
155            let (n1, n2) = (&normals[&(*fid, vid1)], &normals[&(*fid, vid2)]);
156            let (ov1, ov2) = (&vertices[vid1], &vertices[vid2]);
157
158            let (v1, v2) = (*ov1 + (*n1 * face_shrink.0), *ov2 + (*n2 * face_shrink.0));
159
160            gizmos.line(v1, v2, Color::srgba_u8(red, green, blue, alpha));
161        }
162    }
163}