recursive reflection for nontransparnt elements

src/main.rs

@@ -180,7 +180,7 @@ impl App {
         data.use_geometry_shader = false;
         data.num_lights_per_volume = 2;
         data.max_iterations_per_light = 20;
-        data.diffuse_raster_steps = 2;
+        data.diffuse_raster_steps = 0;
         data.diffuse_raster_size = 0.01;
         data.max_recursive_rays = 10;
         data.diffuse_rays_per_hit = 1;

src/scene/empty_volume.rs

@@ -66,9 +66,12 @@ impl EmptyVolume {
         let start_time = Instant::now();
         // iterate over all block positions in the oct tree
         let mut check_its = 0;
-        for x_index in 0..tree.size {
-            for y_index in 0..tree.size {
-                for z_index in 0..tree.size {
+        let mut x_index = 0;
+        while x_index < tree.size {
+            let mut y_index = 0;
+            while y_index < tree.size {
+                let mut z_index = 0;
+                while z_index < tree.size {
                     // check if there is a block at that position
                     let query_result = tree.test_element(x_index, y_index, z_index);
                     let mut transparent = false;
@@ -86,6 +89,7 @@ impl EmptyVolume {
                         for volume in &volumes {
                             if volume.borrow().contains(&Vector3{x: x_index, y: y_index, z: z_index}) {
                                 contained = true;
+                                z_index = volume.borrow().size_z + volume.borrow().position.z;
                                 break;
                             }
                         }
@@ -479,9 +483,12 @@ impl EmptyVolume {
                         println!("new volume done");
                         //push to the list
                         volumes.push(reference);
-                    }                    
+                    }
+                    z_index += 1
                 }
+                y_index += 1;
             }
+            x_index += 1;
         }
         println!("Did {} oct tree checks!", check_its);
         println!("add the neighbor linkage for all the volumes of the oct tree");

src/scene/mod.rs

@@ -73,7 +73,7 @@ impl Scene {
                     color: vec3(shade, 1.0, shade),
                     tex_coord: vec2(0.0, 0.0),
                     transparent: false,
-                    roughness: 128,
+                    roughness: 0,
                 };
 
                 oct_tree.set_cube(cube.clone());
@@ -83,19 +83,19 @@ impl Scene {
         let shade = (rng.gen_range(0..25) as f32) / 100.0;
         let cube = Cube {
             pos: vec3(10.0, 10.0, 10.0),
-            color: vec3(1.0, 0.0, 0.0),
+            color: vec3(1.0, 1.0, 1.0),
             tex_coord: vec2(0.0, 0.0),
-            transparent: true,
-            roughness: 32,
+            transparent: false,
+            roughness: 0,
         };
         oct_tree.set_cube(cube.clone());
 
         let cube = Cube {
             pos: vec3(10.0, 10.0, 9.0),
-            color: vec3(1.0, 0.0, 0.0),
+            color: vec3(1.0, 1.0, 1.0),
             tex_coord: vec2(0.0, 0.0),
-            transparent: true,
-            roughness: 32,
+            transparent: false,
+            roughness: 0,
         };
         oct_tree.set_cube(cube.clone());