Make the lighting directional again

res/engine/shaders/fancy.frag

@@ -48,7 +48,7 @@ void main() {
 	float light_distance    = length(fragLightPosTangentSpace - fragPosTangentSpace);
 	float attenuation = 1.0 / (1.0 + 0.09 * light_distance + 
     		    0.032 * (light_distance * light_distance));  
-	light_colour *= 5.0 * attenuation;
+	//light_colour *= 5.0 * attenuation;
 
 	const vec3 emission = vec3(0.0, 0.0, 0.0);
 
@@ -56,7 +56,7 @@ void main() {
 	const vec3 N = GetNormal();
 
 	const vec3 V = normalize(fragViewPosTangentSpace - fragPosTangentSpace);
-	const vec3 L = normalize(fragLightPosTangentSpace - fragPosTangentSpace);
+	const vec3 L = normalize(fragLightPosTangentSpace /* - fragPosTangentSpace */ );
 	//const vec3 L = normalize(vec3(5.0, 0.0, 3.0));
 	const vec3 H = normalize(V + L);
 

res/engine/shaders/fancy.vert

@@ -39,8 +39,8 @@ void main() {
 	fragUV = inUV;
 	fragPosTangentSpace = worldToTangentSpace * vec3(worldPosition);
 	fragViewPosTangentSpace = worldToTangentSpace * vec3(inverse(frameSetUniformBuffer.view) * vec4(0.0, 0.0, 0.0, 1.0));
-	//fragLightPosTangentSpace = worldToTangentSpace * vec3(-0.4278,0.7923,0.43502);
+	fragLightPosTangentSpace = worldToTangentSpace * vec3(-0.4278,0.7923,0.43502); // directional light
-	fragLightPosTangentSpace = worldToTangentSpace * vec3(10.0, 0.0, 10.0);
+	//fragLightPosTangentSpace = worldToTangentSpace * vec3(10.0, 0.0, 10.0);
 
 	fragNormWorldSpace = N;
 	fragViewPosWorldSpace = vec3(inverse(frameSetUniformBuffer.view) * vec4(0.0, 0.0, 0.0, 1.0));

src/gfx_device_vulkan.cpp

@@ -72,7 +72,7 @@ static constexpr uint32_t FRAMES_IN_FLIGHT = 2;       // This improved FPS by 5x
 static constexpr size_t PUSH_CONSTANT_MAX_SIZE = 128; // bytes
 static constexpr VkIndexType INDEX_TYPE = VK_INDEX_TYPE_UINT32;
 
-static constexpr int kShadowmapSize = 1024;
+static constexpr int kShadowmapSize = 2048;
 
 // structures and enums
 

src/renderer.cpp

@@ -32,12 +32,12 @@ Renderer::Renderer(Application& app, gfx::GraphicsSettings settings) : Applicati
     }
     global_uniform.layout = device_->CreateDescriptorSetLayout(globalSetBindings);
     global_uniform.set = device_->AllocateDescriptorSet(global_uniform.layout);
-    // const glm::vec3 light_location = glm::vec3{-0.4278, 0.7923, 0.43502} * 10.0f;
+    const glm::vec3 light_location = glm::vec3{-0.4278, 0.7923, 0.43502} * 40.0f;
-    const glm::vec3 light_location = glm::vec3{10.0f, 0.0f, 10.0f};
+    //const glm::vec3 light_location = glm::vec3{10.0f, 0.0f, 10.0f};
-    // const glm::mat4 light_proj = glm::orthoRH_ZO(-10.0f, 10.0f, -10.0f, 10.0f, 1.0f, 50.0f);
+    const glm::mat4 light_proj = glm::orthoRH_ZO(-24.0f, 24.0f, -15.0f, 15.0f, 10.0f, 65.0f);
-    const glm::mat4 light_proj = glm::perspectiveFovRH_ZO(glm::radians(90.0f), 1.0f, 1.0f, 5.0f, 50.0f);
+    //const glm::mat4 light_proj = glm::perspectiveFovRH_ZO(glm::radians(90.0f), 1.0f, 1.0f, 5.0f, 50.0f);
     const glm::mat4 light_view = glm::lookAtRH(light_location, glm::vec3{0.0f, 0.0f, 0.0f}, glm::vec3{0.0f, 0.0f, 1.0f});
-    global_uniform.uniform_buffer_data.data.proj = glm::mat4{1.0f};
+    global_uniform.uniform_buffer_data.data.proj = light_proj;
     global_uniform.uniform_buffer_data.data.lightSpaceMatrix = light_proj * light_view;
     global_uniform.uniform_buffer = device_->CreateUniformBuffer(sizeof(global_uniform.uniform_buffer_data), &global_uniform.uniform_buffer_data);
     device_->UpdateDescriptorUniformBuffer(global_uniform.set, 0, global_uniform.uniform_buffer, 0, sizeof(global_uniform.uniform_buffer_data));

test/src/game.cpp

@@ -77,6 +77,11 @@ void PlayGame(GameSettings settings)
         /* create camera */
         engine::Entity camera = main_scene->CreateEntity("camera");
 
+        auto camren = main_scene->AddComponent<engine::MeshRenderableComponent>(camera);
+        camren->visible = true;
+        camren->mesh = GenSphereMesh(app.renderer()->GetDevice(), 0.2f, 10);
+        camren->material = app.GetResource<engine::Material>("builtin.default");
+
         /* as of right now, the entity with tag 'camera' is used to build the view
          * matrix */