Diff: GameObjects/Snake/Snake.cpp

Revision:

71:4bd2b27693f3

Parent:

70:7caab8069b9b

Child:

77:5c6bd659c32d

--- a/GameObjects/Snake/Snake.cpp	Sat May 04 20:48:10 2019 +0000
+++ b/GameObjects/Snake/Snake.cpp	Sat May 04 22:09:59 2019 +0000
@@ -20,6 +20,10 @@
 void Snake::init(int length, int speed)
 {
     _length = length;
+    if(length >= 10) {
+        _length = 10;   //to stop the snake length virtually at 10 when it goes past it.
+    }
+
     _speed = speed;// change this according to the options selected
     m = 0; //Variable used to allow a starting location for the player.
 }
@@ -57,6 +61,7 @@
 Vector2D Snake::get_pos(int snakeIndex)
 {
     Vector2D snakepos; //Stores the snake position.
+
     for(int i = (snakeIndex + 1); i<=10; i++)  {
         if(_length == i)  {
             snakepos.x = _x[i - (snakeIndex + 1)];
@@ -77,22 +82,31 @@
 
 void Snake::update(Direction d, int* b)
 {
-    if(_length >= 10) {
-        _length = 10;   //to stop the snake length virtually at 10 when it goes past it.
-    }
+    Snake::chainSnakeTogether(b);
+
+    Snake::mooveSnake(d, b);
 
+    Snake::_setSnakeLimits();
+}
+
+void Snake::chainSnakeTogether(int* b)
+{
     //this makes all of the snake beeds chained together by making the lower ones drag towards where the top one was in the previous loop
     //the b[i] makes sure that the snake beed doesn't move if that beed is deactivated by colliding with a barrier. b[i] also signifies the specific beed number by i.
-    for(int i=0; i<=13; i++)  {
-        if((_length > i+1)&&(_x[i] != _x[i+1]))  {
-            if ((_x[i] > _x[i+1])&&(b[i+1] == 1)&&(b[i] == 1))  {
-                _x[i]-=_speed;
+    for(int i=0; i<=14; i++)  {
+        if((_length > i)&&(_x[i-1] != _x[i]))  {
+            if ((_x[i-1] > _x[i])&&(b[i] == 1)&&(b[i-1] == 1))  {
+                _x[i-1]-=_speed;
             }
-            if ((_x[i] < _x[i+1])&&(b[i+1] == 1)&&(b[i] == 1))  {
-                _x[i]+=_speed;
+            if ((_x[i-1] < _x[i])&&(b[i] == 1)&&(b[i-1] == 1))  {
+                _x[i-1]+=_speed;
             }
         }
     }
+}
+
+void Snake::mooveSnake(Direction d, int* b)
+{
     //this makes the controls of W/E directions only exclusive to the top beed in the snake
     for(int i=14; i>=0; i--)  {
         if((_length == i+1)&&(b[i] == 1))  {
@@ -107,8 +121,11 @@
 
         }
     }
+}
 
-// the following makes sure that when the length is increased, the snake stays where it was when it ate food.
+void Snake::_setSnakeLimits()
+{
+    // the following makes sure that when the length is increased, the snake stays where it was when it ate food.
 
     for(int i=2; i<=15; i++)  {