Finished depth buffer

Shaders/shader.vert

@@ -6,12 +6,15 @@ layout(binding = 0) uniform UniformBufferObject {
   mat4 proj;
 } ubo;
 
-layout(location = 0) in vec2 inPosition;
+layout(location = 0) in vec3 inPosition;
 layout(location = 1) in vec3 inColor;
+layout(location = 2) in vec2 inTextureCoordinates;
 
 layout(location = 0) out vec3 fragColor;
+layout(location = 1) out vec2 fragTextureCoordinates;
 
 void main() {
-  gl_Position = ubo.proj * ubo.view * ubo.model * vec4(inPosition, 0.0, 1.0);
+  gl_Position = ubo.proj * ubo.view * ubo.model * vec4(inPosition, 1.0);
   fragColor = inColor;
+  fragTextureCoordinates = inTextureCoordinates;
 }