From 6dc8e2a47ff0e3722bb664456857c081b5c2a3f5 Mon Sep 17 00:00:00 2001
From: mitchellhansen <mitchellhansen0@gmail.com>
Date: Sat, 24 Feb 2024 21:28:10 -0800
Subject: [PATCH] sketch rendering

---
 src/lib.rs | 65 +++++++++++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 62 insertions(+), 3 deletions(-)

diff --git a/src/lib.rs b/src/lib.rs
index 0077a47..ffeb065 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -20,7 +20,7 @@ use bevy::app::{App, Plugin, Update};
 // Importing Fj-core functionalities
 
 use fj_core::algorithms::triangulate::Triangulate;
-use fj_core::objects::{Solid};
+use fj_core::objects::{Sketch, Solid};
 use fj_core::storage::Handle as FjHandle;
 
 // Importing Fj-interop mesh
@@ -28,10 +28,10 @@ use fj_interop::mesh::Mesh as FjMesh;
 
 // Importing Fj-math and other standard functionalities
 
-use fj_math::{Aabb, Point, Scalar, Vector};
+use fj_math::{Aabb, Line, Point, Scalar, Vector};
 use std::ops::Deref;
 use bevy::math::Vec3;
-use fj_core::geometry::GlobalPath;
+use fj_core::geometry::{GlobalPath, SurfacePath};
 use rand::Rng;
 
 trait ToVec3 {
@@ -60,6 +60,7 @@ struct FjSolidWrapper{
 pub struct FjMeshWrapper {
     pub mesh: FjMesh<Point<3>>,
     pub handle: FjHandle<Solid>,
+    pub sketch: Sketch,
 }
 
 #[derive(Component)]
@@ -161,12 +162,70 @@ fn update_fj_model_system(
     }
 }
 
+fn render_line(mut commands: &mut Commands,
+               fj_model: &FjMeshWrapper,
+               mut meshes: &mut ResMut<Assets<Mesh>>,
+               mut materials: &mut ResMut<Assets<StandardMaterial>>,
+    line: Line<2>) {
+
+    let origin = line.origin().to_xyz();
+    let direction = line.direction().to_xyz();
+    let opposite_corner = Vec3::new(
+        origin.x.into_f32() + direction.x.into_f32() + 0.01,
+        origin.y.into_f32() + direction.y.into_f32() + 0.01,
+        origin.z.into_f32() + direction.z.into_f32() + 0.01,
+    );
+    let mut rng = rand::thread_rng();
+    let red: f32 = rng.gen_range(0.0..1.0);
+    let green: f32 = rng.gen_range(0.0..1.0);
+    let blue: f32 = rng.gen_range(0.0..1.0);
+    commands.spawn(( // line on base of sweep
+                     PbrBundle {
+                         mesh: meshes.add(Mesh::from(shape::Box::from_corners(opposite_corner.into(), origin.to_vec3()))),
+                         material: materials.add(Color::rgb(red, green, blue).into()),
+                         transform: Transform::from_xyz(0.0, 0.0, 0.0),
+                         ..default()
+                     },
+                     // RaycastPickTarget::default(), // <- Needed for the raycast backend.
+                     // PickableBundle::default() // <- This one too
+    ));
+    commands.spawn(( // vertex
+                     PbrBundle {
+                         mesh: meshes.add(Mesh::from(shape::Cube { size: 0.025 })),
+                         material: materials.add(Color::rgb(1.0, 1.0, 1.0).into()),
+                         transform: Transform::from_xyz(origin.to_xyz().x.into_f32(), origin.to_xyz().y.into_f32(), origin.to_xyz().z.into_f32()),
+                         ..default()
+                     },
+                     // RaycastPickTarget::default(), // <- Needed for the raycast backend.
+                     // PickableBundle::default() // <- This one too
+    ));
+
+}
+
 fn add_debug_info_to_entity(mut commands: &mut Commands,
                             fj_model: &FjMeshWrapper,
                             mut meshes: &mut ResMut<Assets<Mesh>>,
                             mut materials: &mut ResMut<Assets<StandardMaterial>>
 ) {
 
+    for region in fj_model.sketch.regions(){
+        for cycle in region.all_cycles(){
+            for half_edge in cycle.half_edges(){
+                match half_edge.path(){
+                     SurfacePath::Circle(x) => {}
+                     SurfacePath::Line(x) => {
+                         render_line(commands, fj_model, meshes, materials, x)
+                     }
+                }
+                // 1d point
+                half_edge.boundary().inner[0].coords;
+                half_edge.boundary().inner[1].coords;
+            }
+        }
+    }
+
+
+
     for shell in fj_model.handle.shells() {
         println!("{:?}. shell", shell);
         for face in shell.faces() {