Diff: main.cpp

Revision:

0:8b08136c5edd

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Mar 24 17:48:19 2014 +0000
@@ -0,0 +1,132 @@
+//HEADER FILES
+#include "mbed.h"
+#include "C12832.h"
+#include "MMA7660.h"
+#include <time.h>
+#include <stdlib.h>
+
+//IMPORTANT INITIALIZATIONS
+Serial pc(USBTX, USBRX); 
+C12832 lcd(p5, p7, p6, p8, p11);
+BusIn joy(p15,p12,p13,p16);
+DigitalIn fire(p14);
+BusOut leds(LED1,LED2,LED3,LED4);
+MMA7660 MMA(p28, p27); //I2C Accelerometer
+DigitalOut connectionLed(LED1);//Accel OK LED
+
+
+int main()
+{
+    //IMPORTANT VARIABLE DECLARATIONS
+    srand(time(NULL));
+    int r = rand();
+    int i=0;
+    int dimX = 120;
+    int dimY = 28;
+    int x=0,y=0;
+    lcd.cls();
+    lcd.locate(0,3);
+    lcd.printf("welcome to 3D snake game");
+    wait(2);
+    lcd.cls();
+    lcd.locate(0, 3);
+    lcd.printf("hit joystick 4 fireball");
+    wait(1.5); 
+    int j = 0;
+    int cst = 4;
+    int fDimX = dimX - cst;
+    int fDimY = dimY - cst;
+    int flag = 0;
+    int p1 = r % fDimX;
+    int p2 = r % fDimY;
+    int score = 0;
+    int bonus = 0;
+    if (p1 < 10)
+        p1 = 10;
+    if (p2 < 10)
+        p2 = 10;
+    while(1) {
+        //CONDITION FOR CHECKING FOR THE FIREBALL
+        if (fire && score>5) {
+            leds=0xf;
+            flag = 100;
+            if(bonus == 0){
+                score -= 2;
+                bonus = 1;
+                }
+        } 
+        // CONDITIONS TO CHECK FOR JOYSTICK INPUT
+        else {
+            if (flag == 0){
+            leds=joy;
+            // moving the snake backwards
+            if (joy == 0x4 ){
+                i= i - cst;
+                if (i < 0)
+                    i = dimX;
+                    }
+            // moving the snake forward        
+            else if (joy == 0x8){
+                i = (i + cst)%dimX;
+                }
+            // moving the snake up    
+            else if (joy == 0x1){
+                j = j - cst;
+                if (j < 0)
+                    j = dimY;
+                    }
+            // moving the snake down        
+            else if (joy == 0x2){
+                j = (j + cst)%dimY;
+                }
+            }
+        // LOGIC FOR THE FIREBALL         
+        if (flag >= 1){
+        x = (x + MMA.x() * 32.0)/1.5;
+        y = (y -(MMA.y() * 16.0))/1.5;
+        lcd.fillcircle(x+63, y+15, 3, 1); //draw bubble
+        //lcd.circle(63, 15, 8, 1);
+        wait(.1); //time delay
+        pc.printf(" score %d", score);
+        flag -=1;
+        if (abs(x + 63 - p1) <=cst && abs(y + 15 - p2) <=cst+1){
+            score +=15;
+            flag = -1;
+        }
+        if (flag < 0)
+            flag = 0;
+            bonus = 0; 
+        lcd.fillcircle(x+63, y+15, 3, 0); //erase bubble
+        }            
+        }
+        if (flag == 0){
+        //printing the snake, food and score on the LCD
+        lcd.cls();      
+        lcd.locate(i,j);
+        lcd.printf("~+");
+        lcd.locate(0, 22);
+        lcd.printf("%d", score);
+        //pc.printf("the dot is at %d %d\n \r", p1, p2); 
+        pc.printf("snake location %d %d\n \r", i, j);
+        lcd.locate(p1, p2);
+        lcd.printf(".");
+        // CONDITION FOR CHECKING THE SNAKE FOOD COLLISION
+        if (abs(i + 8 - p1) <=cst && abs(j - p2) <=cst+1){ 
+            //pc.printf("the snake is at %d %d\n \r", i, j);
+            //pc.printf("the dot is at %d %d\n \r", p1, p2);
+            score = score + 1; 
+            //finding a new random location for food
+            r = rand();
+            p1 = r%fDimX;
+            p2 = r%fDimY;
+            //boundary checking
+            if (p1 < 10)
+                p1 = 10;
+            if (p2 < 10)
+                p2 = 10;
+            lcd.printf(".");
+            }
+        wait(0.3);
+        }
+    }
+}
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