Diff: Snake/Snake.cpp

Revision:

37:ee47699915b8

Parent:

36:dfdd619874ae

Child:

39:210ac915e0a0

--- a/Snake/Snake.cpp	Thu Apr 18 06:19:33 2019 +0000
+++ b/Snake/Snake.cpp	Thu Apr 18 14:03:43 2019 +0000
@@ -54,15 +54,22 @@
         NVIC_SystemReset(); //Software Reset. //change this condition to loosing screen.
     }
     
-    for(int a=1; a<=15; a++)  {
+    for(int a=1; a<=10; a++)  {
         if(length == a)  {
             for(int i=0; i<=a-1; i++)  {
                 lcd.drawSprite(_x[i],_y[i],3,3,(int *)snake_sprite); //Function used to draw the sprite.
             }
         }
     }
+    if(length>=10) {
+        for(int a=1; a<=10; a++)  {
+            for(int i=0; i<=a-1; i++)  {
+                lcd.drawSprite(_x[i],_y[i],3,3,(int *)snake_sprite); //Function used to draw the sprite.
+            }
+    }
+    }
     
-    if(length >= 16)  {
+    if(length >= 20)  {
         lcd.clear();
         lcd.printString("Level Complete",0,1);
         lcd.printString("Press Start",10,3);
@@ -89,12 +96,16 @@
 
 Vector2D Snake::get_pos(int length)
 {
-    for(int i=1; i<=15; i++)  {
+    for(int i=1; i<=10; i++)  {
         if(length == i)  {
             Vector2D snakepos = {_x[i-1],_y[i-1]}; //Obtains the snake position.
             return snakepos;
         }
     }
+    if(length >= 10)  {
+            Vector2D snakepos = {_x[9],_y[9]}; //Obtains the snake position.
+            return snakepos;
+    }
     Vector2D snakepos = {-20,-20}; //Obtains the snake position.
     return snakepos;
     //printf("snakepos from player = %f %f \n", snakepos.x, snakepos.y);
@@ -102,12 +113,16 @@
 
 Vector2D Snake::get_pos_before1(int length)  //this sends data of following sprites.
 {
-    for(int i=2; i<=15; i++)  {
+    for(int i=2; i<=10; i++)  {
         if(length == i)  {
             Vector2D snakepos_b1 = {_x[i-2],_y[i-2]}; //Obtains the snake position.
             return snakepos_b1;
         }
     }
+    if(length >= 10)  {
+            Vector2D snakepos_b1 = {_x[8],_y[8]}; //Obtains the snake position.
+            return snakepos_b1;
+    }
     Vector2D snakepos_b1 = {-20,-20}; //Obtains the snake position.
     return snakepos_b1;
     //printf("snakepos_b1 from player = %f %f \n", snakepos_b1.x, snakepos_b1.y);
@@ -115,12 +130,16 @@
 
 Vector2D Snake::get_pos_before2(int length)  //this sends data of following sprites.
 {
-    for(int i=3; i<=15; i++)  {
+    for(int i=3; i<=10; i++)  {
         if(length == i)  {
             Vector2D snakepos_b2 = {_x[i-3],_y[i-3]}; //Obtains the snake position.
             return snakepos_b2;
         }
     }
+    if(length >= 10)  {
+            Vector2D snakepos_b2 = {_x[7],_y[7]}; //Obtains the snake position.
+            return snakepos_b2;
+    }
     Vector2D snakepos_b2 = {-20,-20}; //Obtains the snake position.
     return snakepos_b2;
     //printf("snakepos_b2 from player = %f %f \n", snakepos_b2.x, snakepos_b2.y);
@@ -128,12 +147,16 @@
 
 Vector2D Snake::get_pos_before3(int length)  //this sends data of following sprites.
 {
-    for(int i=4; i<=15; i++)  {
+    for(int i=4; i<=10; i++)  {
         if(length == i)  {
             Vector2D snakepos_b3 = {_x[i-4],_y[i-4]}; //Obtains the snake position.
             return snakepos_b3;
         }
     }
+    if(length >= 10)  {
+            Vector2D snakepos_b3 = {_x[6],_y[6]}; //Obtains the snake position.
+            return snakepos_b3;
+    }
     Vector2D snakepos_b3 = {-20,-20}; //Obtains the snake position.
     return snakepos_b3;
     //printf("snakepos_b3 from player = %f %f \n", snakepos_b3.x, snakepos_b3.y);
@@ -141,12 +164,16 @@
 
 Vector2D Snake::get_pos_before4(int length)  //this sends data of following sprites.
 {
-    for(int i=5; i<=15; i++)  {
+    for(int i=5; i<=10; i++)  {
         if(length == i)  {
             Vector2D snakepos_b4 = {_x[i-5],_y[i-5]}; //Obtains the snake position.
             return snakepos_b4;
         }
     }
+    if(length >= 10)  {
+            Vector2D snakepos_b4 = {_x[5],_y[5]}; //Obtains the snake position.
+            return snakepos_b4;
+    }
     Vector2D snakepos_b4 = {-20,-20}; //Obtains the snake position.
     return snakepos_b4;
     //printf("snakepos_b4 from player = %f %f \n", snakepos_b4.x, snakepos_b4.y);
@@ -154,12 +181,16 @@
 
 Vector2D Snake::get_pos_before5(int length)  //this sends data of following sprites.
 {
-    for(int i=6; i<=15; i++)  {
+    for(int i=6; i<=10; i++)  {
         if(length == i)  {
             Vector2D snakepos_b5 = {_x[i-6],_y[i-6]}; //Obtains the snake position.
             return snakepos_b5;
         }
     }
+    if(length >= 10)  {
+            Vector2D snakepos_b5 = {_x[4],_y[4]}; //Obtains the snake position.
+            return snakepos_b5;
+    }
     Vector2D snakepos_b5 = {-20,-20}; //Obtains the snake position.
     return snakepos_b5;
     //printf("snakepos_b5 from player = %f %f \n", snakepos_b5.x, snakepos_b5.y);
@@ -167,12 +198,16 @@
 
 Vector2D Snake::get_pos_before6(int length)  //this sends data of following sprites.
 {
-    for(int i=7; i<=15; i++)  {
+    for(int i=7; i<=10; i++)  {
         if(length == i)  {
             Vector2D snakepos_b6 = {_x[i-7],_y[i-7]}; //Obtains the snake position.
             return snakepos_b6;
         }
     }
+    if(length >= 10)  {
+            Vector2D snakepos_b6 = {_x[3],_y[3]}; //Obtains the snake position.
+            return snakepos_b6;
+    }
     Vector2D snakepos_b6 = {-20,-20}; //Obtains the snake position.
     return snakepos_b6;
     //printf("snakepos_b6 from player = %f %f \n", snakepos_b6.x, snakepos_b6.y);
@@ -180,12 +215,16 @@
 
 Vector2D Snake::get_pos_before7(int length)  //this sends data of following sprites.
 {
-    for(int i=8; i<=15; i++)  {
+    for(int i=8; i<=10; i++)  {
         if(length == i)  {
             Vector2D snakepos_b7 = {_x[i-8],_y[i-8]}; //Obtains the snake position.
             return snakepos_b7;
         }
     }
+    if(length >= 10)  {
+        Vector2D snakepos_b7 = {_x[2],_y[2]}; //Obtains the snake position.
+        return snakepos_b7;
+    }
     Vector2D snakepos_b7 = {-20,-20}; //Obtains the snake position.
     return snakepos_b7;
     //printf("snakepos_b7 from player = %f %f \n", snakepos_b7.x, snakepos_b7.y);
@@ -193,12 +232,16 @@
 
 Vector2D Snake::get_pos_before8(int length)  //this sends data of following sprites.
 {
-    for(int i=9; i<=15; i++)  {
+    for(int i=9; i<=10; i++)  {
         if(length == i)  {
             Vector2D snakepos_b8 = {_x[i-9],_y[i-9]}; //Obtains the snake position.
             return snakepos_b8;
         }
     }
+    if(length >= 10)  {
+        Vector2D snakepos_b8 = {_x[1],_y[1]}; //Obtains the snake position.
+        return snakepos_b8;
+    }
     Vector2D snakepos_b8 = {-20,-20}; //Obtains the snake position.
     return snakepos_b8;
     //printf("snakepos_b8 from player = %f %f \n", snakepos_b8.x, snakepos_b8.y);
@@ -206,17 +249,21 @@
 
 Vector2D Snake::get_pos_before9(int length)  //this sends data of following sprites.
 {
-    for(int i=10; i<=15; i++)  {
+    for(int i=10; i<=10; i++)  {
         if(length == i)  {
             Vector2D snakepos_b9 = {_x[i-10],_y[i-10]}; //Obtains the snake position.
             return snakepos_b9;
         }
     }
+    if(length >= 10)  {
+        Vector2D snakepos_b9 = {_x[0],_y[0]}; //Obtains the snake position.
+        return snakepos_b9;
+    }
     Vector2D snakepos_b9 = {-20,-20}; //Obtains the snake position.
     return snakepos_b9;
     //printf("snakepos_b9 from player = %f %f \n", snakepos_b9.x, snakepos_b9.y);
 }
-
+/*
 Vector2D Snake::get_pos_before10(int length)  //this sends data of following sprites.
 {
     for(int i=11; i<=15; i++)  {
@@ -281,17 +328,18 @@
     return snakepos_b14;
     //printf("snakepos_b14 from player = %f %f \n", snakepos_b14.x, snakepos_b14.y);
 }
-
+*/
 
 
 void Snake::update(Direction d,int length, int speed, int* b)
 {
     _speed = speed;  //Speed changes depending on how much you push the joystick.(As Of Now)
-    
+    if(length<=10) {_length = length;} //to stop the snake length virtually at 10 when it goes past it.
+    else {_length = 10;}
     //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.
     for(int i=0; i<=13; i++)  {
-        if((length > i+1)&&(_x[i] != _x[i+1]))  {
+        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;    
             }
@@ -302,7 +350,7 @@
     }
    //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))  {
+            if((_length == i+1)&&(b[i] == 1))  {
                 
                 if (d == E) {_x[i]+= _speed;}
                 
@@ -315,7 +363,7 @@
 
     for(int i=2; i<=15; i++)  {
             
-            if(length < i)  {_x[i-1] = _x[i-2];}
+            if(_length < i)  {_x[i-1] = _x[i-2];}
     }
     
     //Limits set so that the snake does not travel off the screen.