Working on shadows

src/GameWorld.cpp

@@ -17,14 +17,14 @@ void GameWorld::Initialize()
 		auto ground = CreateEntity();
 		auto transform = AddComponent<Components::Transform>(ground, "Transform");
 		transform->Position = glm::vec3(0, -5, 0);
-		transform->Scale = glm::vec3(400.0f, 10.0f, 400.0f);
+		transform->Scale = glm::vec3(800.0f, 10.0f, 800.0f);
 		transform->Orientation = glm::quat(glm::vec3(0.0f, 0.0f, 0.0f));
 		auto model = AddComponent<Components::Model>(ground, "Model");
 		model->ModelFile = "Models/Placeholders/PhysicsTest/Cube.obj";
 		auto box = AddComponent<Components::Box>(ground, "Box");
-		box->Width = 200;
+		box->Width = 400;
 		box->Height = 5;
-		box->Depth = 200;
+		box->Depth = 400;
 
 		auto physics = AddComponent<Components::Physics>(ground, "Physics");
 		physics->Mass = 10;

src/Renderer.cpp

@@ -17,10 +17,10 @@ Renderer::Renderer()
 	CAtt = 1.0f;
 	LAtt = 0.0f;
 	QAtt = 3.0f;
-	m_ShadowMapRes = 2048*8;
+	m_ShadowMapRes = 2048*16;
 	m_SunPosition = glm::vec3(0, 3.5f, 10);
 	m_SunTarget = glm::vec3(0, 0, 0);
-	m_SunProjection = glm::ortho<float>(-200.f, 200.f, -200.f, 200.f, -100, 200);
+	m_SunProjection = glm::ortho<float>(10.f, -10.f, 10.f, -10.f, 10.f, -10.f);
 /*	Lights = 0;*/
 }
 
@@ -782,3 +782,32 @@ glm::mat4 Renderer::CreateLightMatrix(Light &_light)
 	return model;
 }
 
+void Renderer::UpdateSunProjection()
+{
+	glm::vec3 NDCCube[] =
+	{
+		glm::vec3(-1.f, -1.f, -1.f), 
+		glm::vec3(1.f, -1.f, -1.f), 
+		glm::vec3(-1.f, 1.f, -1.f), 
+		glm::vec3(1.f, 1.f, -1.f), 
+		glm::vec3(-1.f, -1.f, 1.f),
+		glm::vec3(1.f, -1.f, 1.f), 
+		glm::vec3(-1.f, 1.f, 1.f), 
+		glm::vec3(1.f, 1.f, 1.f)
+	};
+
+	glm::mat4 inverseProjectionViewMatrix =  glm::inverse(m_Camera->ViewMatrix()) * glm::inverse(m_Camera->ProjectionMatrix());
+	//Also * with world matrix for light
+
+	for(auto corner : NDCCube)
+	{
+		//corner *= inverseProjectionViewMatrix;
+	}
+
+	//Calculate the bounding box of the transformed frustum corners. This will be the view frustum for the shadow map.
+
+	//Pass the bounding box's extents to glOrtho or similar to set up the orthographic projection matrix for the shadow map.
+}
+
+
+

src/Renderer.h

@@ -141,6 +141,8 @@ private:
 	void DrawLightScene();
 	void BindFragDataLocation();
 	glm::mat4 CreateLightMatrix(Light &_light);
+	void UpdateSunProjection();
+
 	
 	GLuint CreateQuad();
 	void DrawDebugShadowMap();