shadows

src/renderer/buffers/uniform_buffer.rs

@@ -1,5 +1,5 @@
 use crate::renderer::camera::Camera;
-use cgmath::SquareMatrix;
+use cgmath::{SquareMatrix, Vector3, InnerSpace};
 use wgpu::util::DeviceExt;
 
 #[repr(C)]
@@ -8,13 +8,19 @@ pub struct UniformValues {
     view_inv: [[f32; 4]; 4],
     proj_inv: [[f32; 4]; 4],
     cam_pos: [f32; 3],
+    padding: f32,
+    sun_dir: [f32; 3],
+    padding2: f32,
     time: f32
 }
 
 impl UniformValues {
 
     pub fn new() -> Self {
-        Self::default()
+
+        let sun_vec: Vector3<f32> = (1.0, 1.0, 1.0).into();
+        let sun_dir: [f32; 3] = sun_vec.normalize().into();
+        Self { sun_dir, .. Default::default() }
     }
 
     pub fn update(&mut self, camera: &Camera, time: f32) {