Diff: main.cpp

Revision:

0:5196f76c6aa5

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Mar 20 00:25:44 2019 +0000
@@ -0,0 +1,133 @@
+// snake made for mbed application board
+#include "mbed.h"
+#include "C12832_lcd.h"
+ 
+#define UP 1
+#define DOWN 2
+#define LEFT 4
+#define RIGHT 8
+ 
+C12832_LCD lcd;
+
+BusIn joystick(p15,p12,p13,p16); //up, down , left, right
+
+
+//globals
+int ver[50];
+int hor[50];
+int tail =1; 
+int coinHor =200; //coin x,y coordinates
+int coinVer =200;
+int ranC = 12; //used for random spwan point
+int ranL = 52; //used for random spawn point
+int direction= RIGHT;
+
+//function prototypes
+void display(int a);
+void control();
+void coin();
+
+int main()
+{
+         hor[0]= 0;
+         ver[0] = 1;
+         for (int p = 49; p > 0 ; p--){
+       hor[p]= 200;
+       ver[p] = 200;
+       }//end of for
+        coin();
+        while(1){
+        lcd.cls();
+        control();
+        for (int n=0; n<tail; n++){
+        display(n);
+        }
+           wait(0.1);
+        }
+}//end of main
+
+
+void display(int a)
+{
+    //display box
+    lcd.fillrect(hor[a],ver[a],hor[a]+2,ver[a]+2,1);
+    //display coin
+    lcd.fillrect(coinHor,coinVer,coinHor+2,coinVer+2,1);
+    //check if maximum tail length reached
+        if (tail>49){ lcd.locate(40,16);
+    lcd.printf("YOU WIN!");
+    while(1){}}
+    
+
+}//end void display
+
+
+void control(){
+    //shift boxes position in array
+   for (int p = 49; p > 0 ; p--){
+       hor[p]= hor [p-1];
+       ver[p] = ver [p-1];
+       }//end of for
+       
+       //moves the main box depending on direction
+        switch (direction){
+        case RIGHT: if (hor[0]<123){hor[0]+=5;}else{hor[0]=0;}ranC +=2; ranL +=3; break;
+        case LEFT: if (hor[0]>0){hor[0]-=5;}else{hor[0]=123;}ranC +=3; ranL +=5; break;
+        case UP: if (ver[0]>0){ver[0]-=5;}else{ver[0]=25;}ranC +=8; ranL +=2; break;
+        case DOWN: if (ver[0]<25){ver[0]+=5;}else{ver[0]=0;}ranC +=5; ranL +=9; break;
+            }//end of switch
+    //change direction if statements
+    if (joystick == UP)
+    {if (direction !=DOWN){
+      direction = UP;
+      }
+
+    }//end of if UP
+    
+    if (joystick == DOWN)
+    {
+      if (direction !=UP){
+      direction = DOWN;}
+      
+    }//end of if DOWN
+    
+     if (joystick == LEFT)
+    {
+      if (direction !=RIGHT){
+      direction = LEFT;}
+
+    }//end of if LEFT
+    
+     if (joystick == RIGHT)
+    {
+      if (direction !=LEFT){
+      direction = RIGHT;}
+
+    }//end of if RIGHT
+
+    //checks if first box hits any other box
+     for (int p = tail; p > 3 ; p--){
+         if( hor[0]==hor[p] && ver[0] == ver[p]){
+             lcd.locate(40,10);
+            lcd.printf("YOU LOSE!");
+            lcd.locate(40,20);
+            lcd.printf("Score: %d",tail);
+                while(1){}
+                }//end of if
+             }//end of for
+
+   
+    //check if first box hits coin, adds tail and moves coin
+    if (coinHor+5>hor[0] && hor[0]>coinHor-5 && coinVer+5>ver[0] && ver[0] >coinVer-5){
+        tail++;
+        coin();
+    }
+    }//end of button pressed
+    
+
+void coin() {
+    //changes location of coin
+    coinVer =  ranC % 25;
+    coinHor =  ranL % 123;
+    
+}//end void coin
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