working bricks ray traversing

src/renderer/buffers/brick_buffer.rs

@@ -2,7 +2,7 @@ use wgpu::util::DeviceExt;
 use std::convert::TryInto;
 
 const BRICK_SIZE : usize = 32; // 32x32x32 brick size
-const BRICK_NUM : usize = 1; // 64 bricks in texture
+const BRICK_NUM : usize = 2; // x bricks in texture
 
 const BRICK_LEN : usize = BRICK_SIZE*BRICK_SIZE*BRICK_SIZE;
 const DATA_LEN : usize = BRICK_LEN * BRICK_NUM;
@@ -98,9 +98,11 @@ impl BrickBuffer {
             for y in 0..16 {
                 for z in 0..32 {
                     bricks.set(0, x, y, z, 1);
+                    bricks.set(1, y, x, z, 1);
                 }
             }
         }
+        bricks.set(0, 0, 0, 0, 0);
 
         // Done
         Self { bricks, texture, size, bind_layout, bind_group }
@@ -116,7 +118,7 @@ impl BrickBuffer {
         let brick_offset = offset*BRICK_LEN;
         let brick_bytes : [u8;BRICK_LEN] = self.bricks.data[brick_offset..brick_offset+BRICK_LEN].try_into().unwrap();
         let brick_size = wgpu::Extent3d{ width: BRICK_SIZE as u32, height: BRICK_SIZE as u32, depth: BRICK_SIZE as u32 };
-        let brick_origin = wgpu::Origin3d{ x:0, y:0, z: offset as u32 };
+        let brick_origin = wgpu::Origin3d{ x:0, y:0, z: (offset*BRICK_SIZE) as u32 };
 
         // Write
         queue.write_texture(

src/renderer/buffers/node_buffer.rs

@@ -70,7 +70,7 @@ impl NodeBuffer {
 
         // Data
         let mut nodes : [u32; NUM_NODES] = [Default::default(); NUM_NODES];
-        nodes[0] = 1;
+        nodes[0] = 2;
 
         // Done
         Self { nodes, texture, size, bind_layout, bind_group }