add classes for kinematic and dynamic body

each class has a static unordered_set that stores references to each
object created

1 files changed, 20 insertions, 2 deletions

diff --git a/src/physics.hpp b/src/physics.hpp
index e26df15..de6172a 100644
--- a/src/physics.hpp
+++ b/src/physics.hpp
@@ -1,8 +1,8 @@
 #pragma once
+#include <unordered_set>
 #include "raylib.h"
 
 namespace Physics {
-
 	class Body {
 		public:
 			Vector2 position;
@@ -11,10 +11,28 @@ namespace Physics {
 			Body(Vector2 position, Vector2 velocity, float mass);
 	};
 
+    // TODO: replace these hardcoded bodies with dynamic/kinematic bodies in gameplay system
 	extern Body ship;// = Body((Vector2){50,50}, (Vector2){0,1}, 1);
 	extern Body rock;// = Body((Vector2){400,400}, (Vector2){0,0}, 50);
 
+    class DynamicBody : public Body {
+        private:
+            static std::unordered_set<DynamicBody*> dynamicBodies;
+        public:
+            void apply_force(Vector2 force);
+            DynamicBody(Vector2 position, Vector2 velocity, float mass);
+            ~DynamicBody();
+    };
+
+    class KinematicBody : public Body {
+        private:
+            static std::unordered_set<KinematicBody*> kinematicBodies;
+        public:
+            KinematicBody(Vector2 position, Vector2 velocity, float mass);
+            ~KinematicBody();
+    };
+
 	//0.01667
-	void step(float deltaTime);
+	void step(float deltaTime, int times=1);
     Vector2 get_grav_force(Body body1, Body body2);
 }