Added groups

Author: denis-beqiraj

Engine/Shaders/HelperHeaderPipeline/light_func.glsl

@@ -20,7 +20,7 @@ struct OmniData {
 
 struct AreaData
 {
-    vec4 position;
+    vec4 position[4];
     vec4 diffuse;
     vec4 padding;
 };

Engine/include/SceneObjects/Light.h

@@ -35,7 +35,12 @@ namespace Prisma
 
 		struct LightArea
 		{
-			glm::vec4 position = glm::vec4(0, 0, 0, 1);
+			glm::vec4 position[4] = {
+				glm::vec4(-1.0f, -1.0f, 0.0f, 1.0f),  // Bottom-left
+				glm::vec4(1.0f, -1.0f, 0.0f, 1.0f),  // Bottom-right
+				glm::vec4(-1.0f,  1.0f, 0.0f, 1.0f),  // Top-left
+				glm::vec4(1.0f,  1.0f, 0.0f, 1.0f)   // Top-right
+			};
 			glm::vec4 diffuse = glm::vec4(1, 1, 1, 0);
 			uint64_t shadowMap = 0;
 			glm::vec2 padding;

Engine/src/Handlers/LightHandler.cpp

@@ -93,7 +93,11 @@ void Prisma::LightHandler::updateArea()
 			{
 				areaMatrix = light->matrix();
 			}
-			m_dataArea->lights[i].position = areaMatrix * m_dataArea->lights[i].position;
+			m_dataArea->lights[i].position[0] = areaMatrix * m_dataArea->lights[i].position[0];
+			m_dataArea->lights[i].position[1] = areaMatrix * m_dataArea->lights[i].position[1];
+			m_dataArea->lights[i].position[2] = areaMatrix * m_dataArea->lights[i].position[2];
+			m_dataArea->lights[i].position[3] = areaMatrix * m_dataArea->lights[i].position[3];
+
 			numVisible++;
 		}
 	}