first release

openVulkanoCpp/Scene/AABB.hpp

@@ -0,0 +1,98 @@
+#pragma once
+#include <glm/glm.hpp>
+#include "../Base/IInitable.hpp"
+
+namespace openVulkanoCpp
+{
+	namespace Scene
+	{
+		/**
+		 * \brief A class that represents an axis aligned bounding box
+		 */
+		class AABB final : public virtual IInitable
+		{
+			glm::vec3 min, max;
+
+		public:
+			AABB() : min(INFINITY), max(-INFINITY) {}
+			~AABB() = default;
+
+			/**
+			 * \brief Initiates the AABB to min=Inf, max=-Inf
+			 */
+			void Init() override
+			{
+				min = glm::vec3(INFINITY);
+				max = glm::vec3(-INFINITY);
+			}
+
+			/**
+			 * \brief Initiates the AABB to a single point (min=max=point)
+			 * \param point The point that should be used as min and max of the AABB
+			 */
+			void Init(const glm::vec3& point)
+			{
+				min = max = point;
+			}
+
+			/**
+			 * \brief Initiates the AABB from some other AABB
+			 * \param other The other AABB that should be copied
+			 */
+			void Init(const AABB& other)
+			{
+				min = other.GetMin();
+				max = other.GetMax();
+			}
+
+			const glm::vec3& GetMin() const { return min; }
+
+			const glm::vec3& GetMax() const { return max; }
+
+			void Grow(const glm::vec3& point)
+			{
+				min = glm::min(min, point);
+				max = glm::max(max, point);
+			}
+
+			void Grow(const AABB& otherAABB)
+			{
+				min = glm::min(min, otherAABB.GetMin());
+				max = glm::max(max, otherAABB.GetMax());
+			}
+
+			void Grow(const AABB& otherAABB, glm::mat4x4 transformation)
+			{
+				//TODO
+			}
+
+			glm::vec3 GetDiagonal() const
+			{
+				return max - min;
+			}
+
+			glm::vec3 GetCenter() const
+			{
+				return min + (GetDiagonal() * 0.5f);
+			}
+
+			/**
+			 * \brief Checks if the AABB overlaps with an other AABB
+			 * \param other The other AABB that should be checked
+			 * \return true if the AABB overlaps with the other, false if not
+			 */
+			bool IsOverlapping(const AABB& other) const
+			{
+				return !(other.min.x > max.x || other.max.x < min.x || other.min.y > max.y || other.max.y < min.y || other.min.z > max.z || other.max.z < min.z);
+			}
+
+			/**
+			 * \brief Resets the AABB to min=Inf, max=-Inf, same as Init()
+			 */
+			void Reset()
+			{
+				Init();
+			}
+		};
+	}
+}