resize screen

snake/snek.c

@@ -6,8 +6,8 @@
 
 /* } Map; */
 
-const int screenHeight = 800;
-const int screenWidth = 800;
+int screenHeight = 800;
+int screenWidth = 800;
 int fps = 60;
 int rows = 10;
 int cols = 10;
@@ -187,25 +187,25 @@ void draw_grid(int size){
     }
 }
 
-void init_game(){
-    InitWindow(screenHeight, screenHeight, "Snek");
-    SetTargetFPS(fps);
-
+void calculate_tile_size(){
     int width = screenWidth / cols;
     int height = screenHeight / rows;
     size = height > width ? width : height;
 }
 
+void init_game(){
+    InitWindow(screenHeight, screenHeight, "Snek");
+    SetTargetFPS(fps);
+    calculate_tile_size();
+}
+
 int main(void){
 
     init_game();
     Snake snek = make_snake(100, 5);
-
+    int b;
     while (!WindowShouldClose()){
-        BeginDrawing();
 
-        ClearBackground(WHITE);
-        draw_grid(size);
         if (snek.alive){
             update_snake(&snek);
         } else {
@@ -214,6 +214,24 @@ int main(void){
         if (food_x >= 0){
             DrawRectangle(size * food_x, size * food_y, size, size, RED);
         }
+
+        if (IsKeyPressed(KEY_R)){
+            if (b){
+                screenWidth = screenHeight = 500;
+                /* MinimizeWindow(); */
+            } else {
+                screenWidth = screenHeight = 800;
+                /* MaximizeWindow(); */
+            }
+            SetWindowSize(screenWidth, screenHeight);
+            calculate_tile_size();
+            b = !b;
+        }
+
+        BeginDrawing();
+
+        ClearBackground(WHITE);
+        draw_grid(size);
         draw_snake(&snek);
         DrawText(score_text, 0, 0, 20, BLACK);