broken lighting

src/vulkan.rs

@@ -1,7 +1,7 @@
 use std::sync::Arc;
 use std::time::SystemTime;
 
-use cgmath::{Matrix4, SquareMatrix};
+use cgmath::{Matrix4, SquareMatrix, vec3};
 use image::{ImageBuffer, ImageFormat, Rgb, Rgba};
 use image::buffer::ConvertBuffer;
 use vulkano::buffer::{BufferUsage, CpuAccessibleBuffer};
@@ -276,7 +276,13 @@ impl VulkanRenderer {
         let framebuffers = window_size_dependent_setup(device.clone(), &images, render_pass.clone(), &mut dynamic_state);
 
         let mut uniform_buffers = Vec::new();
-        let uniform_buffer = vs::ty::ObjectUniformData { view: Matrix4::identity().into(), projection: Matrix4::identity().into(), time: 0.0 };
+        let uniform_buffer = vs::ty::ObjectUniformData {
+            view: Matrix4::identity().into(),
+            projection: Matrix4::identity().into(),
+            time: 0.0,
+            light_position: vec3(0.0, 0.0, 0.0).into(),
+            _dummy0: [0; 12],
+        };
 
         for _ in 0..swapchain.num_images() {
             uniform_buffers.push(CpuAccessibleBuffer::from_data(