up down is broken

include/entity.hpp

@@ -1,16 +1,21 @@
 #ifndef DELTA_ENTITY
 #define DELTA_ENTITY
 
+#include <SDL3/SDL.h>
+#include <SDL3/SDL_main.h>
+
 #include "renderer/camera.hpp"
 #include "math.hpp"
 
 class DeltaEntity {
     public:
         DeltaVector3 pos;
+        DeltaVector3 velocity;
         DeltaVector2 angle;
 
-        DeltaEntity(float x, float y, float z);
-        void draw(DeltaCamera camera);
+        DeltaEntity() {pos.x = 0; pos.y = 0; pos.z = 0; velocity = DeltaVector3(); angle = DeltaVector2();};
+        DeltaEntity(float x, float y, float z) {pos.x = x; pos.y = y; pos.z = z; velocity = DeltaVector3(); angle = DeltaVector2(); };
+        void draw(SDL_Renderer *renderer);
         void update(float deltaTime);
 };
 

include/math.hpp

@@ -23,6 +23,11 @@ class DeltaVector3 {
         float x, y, z;
         DeltaVector3(float xval, float yval, float zval);
         DeltaVector3();
+        DeltaVector3 operator+(const DeltaVector3& other) const;
+        DeltaVector3 operator-(const DeltaVector3& other) const;
+        DeltaVector3 operator*(float a) const;
+        DeltaVector3& operator+=(const DeltaVector3& other);
+        DeltaVector3& operator-=(const DeltaVector3& other);
         float distanceToVector(const DeltaVector3 &vec) const;
         float distanceToPos(float x, float y) const;
         float dotProduct(const DeltaVector3 &vec) const;

include/player.hpp

@@ -0,0 +1,23 @@
+#ifndef DELTA_PLAYER
+#define DELTA_PLAYER
+
+#include <SDL3/SDL.h>
+#include <SDL3/SDL_main.h>
+
+#include "renderer/camera.hpp"
+#include "entity.hpp"
+#include "math.hpp"
+
+class Player: public DeltaEntity {
+    public:
+        DeltaCamera camera;
+        DeltaVector2 direction;
+
+        Player() {pos.x = 0; pos.y = 0; pos.z = 0; velocity = DeltaVector3(); angle = DeltaVector2(); camera = DeltaCamera(0, 0, 0);};
+        Player(float x, float y, float z) {pos.x = x; pos.y = y; pos.z = z; velocity = DeltaVector3(); angle = DeltaVector2(); camera = DeltaCamera(0,0,0);};
+
+        void draw(SDL_Renderer *renderer);
+        void update(float deltaTime);
+};
+
+#endif

include/renderer/camera.hpp

@@ -8,6 +8,7 @@ class DeltaCamera {
         DeltaVector3 pos;
         DeltaVector2 angle;
 
+        DeltaCamera() {pos = DeltaVector3(); angle = DeltaVector2();};
         DeltaCamera(float x, float y, float z);
         DeltaVector2 projectPointVec(const DeltaVector3 &worldPos);
         DeltaVector2 projectPoint(float worldX, float worldY, float worldZ);