Diff: SnakeEngine/SnakeEngine.cpp

Revision:

26:23301f48c1ed

Parent:

25:f03439ee32c6

--- a/SnakeEngine/SnakeEngine.cpp	Tue May 08 10:52:12 2018 +0000
+++ b/SnakeEngine/SnakeEngine.cpp	Tue May 08 11:51:03 2018 +0000
@@ -50,15 +50,14 @@
 void SnakeEngine::update(Gamepad &pad)
 {
     bool food_col;
-    //bool wall_collsion;
     int food_spawn_time;
     ++g_engine_fc;
     
     increase_speed(5, 1.1);
-    food_spawn_time = food_spawning_time(5);
+    food_spawn_time = food_spawning_time(3);
     _snake.update(_in, _cur);
-    //_n_frames = 150;
-    //printf("Spawn time %i \n", food_spawn_time);
+    printf("Spawn time %i \n", food_spawn_time);
+    // printf("Frame Time %i \n", g_ft);
     
     _food.update(_collision, food_spawn_time);
     food_col = detect_food_collision(pad);
@@ -74,14 +73,21 @@
 void SnakeEngine::draw(N5110 &lcd)
 {
     
-    // puts fram around the game area
+    // puts frame around the game area
     
     lcd.drawRect(0,0,WIDTH,HEIGHT,FILL_TRANSPARENT);
     lcd.setContrast(0.5);
     
-    //_food.update(_collision);
+    // draws food to lcd
+    
     _food.draw(lcd);
+    
+    // draws snake head to lcd
+    
     _snake.draw(lcd);
+    
+    // draws snake tail to lcd
+    
     draw_tail(lcd);
     
 }
@@ -318,10 +324,17 @@
 {
     
     int c = 0;
+    
+    // c is equal to the tail length - an incrementer such that c is never more
+    // than 0 and n = frame decremtner away from 0 such that the logic 
+    // c == 0 works
+    
     c = g_tl - g_n;
     
     //printf("C = %i", c);
     
+    // the frame periodity must be more than 100 to ensure the game reamains playable
+    
     if((c == 0) && (g_ft > 100)) {
         
         g_n = g_n + frame_decrementer;