[FEATURE] collisions!!!!!!!!!!! YAY

src/collision/collision_handler.cpp

@@ -0,0 +1,40 @@
+#include "collision_handler.h"
+
+namespace collision
+{
+	void CheckCollisions(std::vector<entities::CollisionEntity*>& entities)
+	{
+		if (entities.size() == 2)
+		{			
+			if (entities[0]->IsColliding(*entities[1]))
+			{
+				collision::Collision c = { *entities[0], *entities[1] };
+				entities[0]->OnCollide(c);
+				entities[1]->OnCollide(c);
+			}
+		}
+		
+		for (int i = 0; i < entities.size() - 2; i++)
+		{			
+		 	entities::CollisionEntity* entity = entities[i];
+		 	
+		 	for (int j = i + 1; i < entities.size() - 1; j++)
+		 	{
+		 		entities::CollisionEntity* entity2 = entities[j];
+		 		
+		 		if (entity == entity2)
+		 		{
+		 			continue;
+		 		}
+		 		
+		 		if (entity->IsColliding(*entity2))
+		 		{
+		 			collision::Collision c = { *entity, *entity2 };
+		 			entity->OnCollide(c);
+		 			entity2->OnCollide(c);
+		 			break;
+		 		}
+		 	}
+		}
+	}
+}

src/collision/collision_handler.h

@@ -0,0 +1,16 @@
+#pragma once
+
+#include <vector>
+#include "../entities/collision_entity.h"
+#include "collision.h"
+
+namespace collision
+{
+	/*
+	 * @brief: This function will check all the collision entities for
+	 *         collisions and call the OnCollide function when a entity collides.
+	 *
+	 * @param entities: A list with all the collision entities.
+	 */
+	void CheckCollisions(std::vector<entities::CollisionEntity*>& entities);
+}