Camera follows the player

game.c

@@ -24,7 +24,7 @@
 void initialize_game(Game *g) {
   g->should_close = false;
   g->player = malloc(sizeof(Player));
-  initialize_player(g->player);
+  initialize_player(g, g->player);
   g->enemies = malloc(sizeof(Entities));
   g->enemies->entities = malloc(10 * sizeof(Entity*));
   g->enemies->count = 0;
@@ -34,6 +34,10 @@ void initialize_game(Game *g) {
   g->bullets->count = 0;
   g->bullets->capacity = 10;
 
+  g->camera = malloc(sizeof(Camera));
+  g->camera->zoom = 1.;
+  g->camera->rotation = 0.;
+
   g->level = malloc(sizeof(Level));
   init_level(g, g->level);
 }
@@ -116,6 +120,7 @@ void run_frame(Game *g) {
 void draw_frame(Game *g) {
   BeginDrawing();
   ClearBackground(RAYWHITE);
+  BeginMode2D(*g->camera);
   draw_level(g->level);
   draw_player(g->player);
   FOREACH_ENEMY {
@@ -126,6 +131,7 @@ void draw_frame(Game *g) {
     INIT_BULLET;
     e->draw(e);
   }
+  EndMode2D();
   EndDrawing();
 }
 

game.h

@@ -23,6 +23,7 @@ struct Game {
   Entities *enemies;
   Entities *bullets;
   Level *level;
+  Camera2D *camera;
   /*
   Levels levels;
   */

level.c

@@ -6,7 +6,7 @@ void init_level(Game *g, Level *l) {
   l->data_size = l->width * l->length;
   l->data = malloc(l->data_size * sizeof(char));
   for (int i = 0; i < l->data_size; i++) {
-    l->data[i] = 3;
+    //l->data[i] = 3;
   }
   l->game = g;
 }

player.c

@@ -12,7 +12,7 @@
 
 #include "player.h"
 
-void initialize_player(Player *p) {
+void initialize_player(Game *g, Player *p) {
   p->position = (Vector2) { 400, 300 };
   p->velocity = (Vector2) { 0, 0 };
   p->acceleration = (Vector2) { 0, 0 };
@@ -21,6 +21,7 @@ void initialize_player(Player *p) {
   Image sprite_img = LoadImage("img/player.png");
   p->spritesheet = LoadTextureFromImage(sprite_img);
   UnloadImage(sprite_img);
+  p->game = g;
 }
 
 void handle_player_input(Player *p) {
@@ -59,4 +60,8 @@ void move_player(Player *p) {
 
   p->position.x += p->velocity.x;
   p->position.y += p->velocity.y;
+
+  p->game->camera->target = p->position;
+  p->game->camera->offset.x = 400;
+  p->game->camera->offset.y = 275;
 }

player.h

@@ -33,16 +33,21 @@ typedef enum PlayerRoll {
   ROLL_RIGHT,
 } PlayerRoll;
 
-typedef struct Player {
+typedef struct Player Player;
+
+#include "game.h"
+
+struct Player {
   Vector2 position;
   Vector2 velocity;
   Vector2 acceleration;
   PlayerPitch pitch;
   PlayerRoll roll;
   Texture2D spritesheet;
-} Player;
+  Game *game;
+};
 
-void initialize_player(Player *p);
+void initialize_player(Game *g, Player *p);
 void handle_player_input(Player *p);
 void draw_player(Player *p);
 void move_player(Player *p);