main.cpp

00001 // uLCD-144-G2 demo program for uLCD-4GL LCD driver library
00002 //
00003 #include "mbed.h"
00004 #include "math.h"
00005 #include "uLCD_4DGL.h"
00006 #define PI 3.14159265358979323846
00007 
00008 uLCD_4DGL uLCD(p9,p10,p11); // serial tx, serial rx, reset pin;
00009 AnalogIn a1(p19);
00010 AnalogIn a2(p20);
00011 DigitalIn start(p18);
00012 
00013 int bx = 64;
00014 int by = 64;
00015 int P1x1 = 0, P1x2 = 3, P1y1, P1y2;
00016 int P2x1 = 124, P2x2 = 127, P2y1, P2y2;
00017 float angle;
00018 int speed;
00019 int P1S = 0, P2S = 0;
00020 int hold, h1, h2;
00021 
00022 
00023 
00024 int main()
00025 {
00026 
00027 //    // basic printf demo = 16 by 18 characters on screen
00028 //    uLCD.printf("\nHello uLCD World\n"); //Default Green on black text
00029 //    uLCD.printf("\n  Starting Demo...");
00030 //    uLCD.text_width(4); //4X size text
00031 //    uLCD.text_height(4);
00032 //    uLCD.color(RED);
00033 //    for (int i=5; i>=0; --i) {
00034 //        uLCD.locate(1,2);
00035 //        uLCD.printf("%2D",i);
00036 //        wait(.5);
00037 //
00038 //    }
00039 //    uLCD.cls();
00040 
00041 
00042     uLCD.text_width(1);
00043     uLCD.text_height(1);
00044     uLCD.baudrate(300000);
00045 
00046     // Initialize random angle between 0 and 360
00047     srand (time(NULL));
00048     do {
00049         angle = rand()%361;
00050     } while ((angle<20)||(angle>70&&angle<110)||(angle>160&&angle<200)||(angle>250&&angle<290)||(angle>340));
00051 
00052     /////////////////////////////////////////////////////
00053 
00054     while(1) {
00055         if (start==0) {
00056             hold=0;
00057             h1=0;
00058             h2=0;
00059         }
00060 
00061         if (hold==1)
00062             speed=0;
00063         else
00064             speed=5;
00065             
00066         // Set position of the paddles
00067         P1y1 = (a1*103)+8;
00068         P1y2 = P1y1 + 16;
00069         P2y1 = (a2*103+8);
00070         P2y2 = P2y1 + 16;
00071 
00072         // Control motion of ball
00073         uLCD.filled_circle(bx, by , 2, 0);
00074 
00075         if((bx>122 && (by>P2y1 && by<P2y2)) || (bx<5 && (by>P1y1 && by<P1y2)))
00076             angle = 180 - angle;       
00077         else if(by>125 || by<10)// I think this is where our problem is
00078             angle = -angle;
00079 
00080         //P1 Scores
00081         else if(bx>122) {
00082             P1S++;
00083             bx = 5;
00084             by = P1y1+8;
00085             hold=1;
00086             h1=1;
00087             angle = rand()%120+120+180;
00088 
00089             //P2 Scores
00090         } else if(bx<5) {
00091             P2S++;
00092             bx = 122;
00093             by = P2y1+8;
00094             hold=1;
00095             h2=1;
00096             angle = rand()%120+120;
00097         }
00098 
00099         if (hold==1&&h1==1) {
00100             bx = 6;
00101             by = P1y1+8;
00102         } else if (hold==1&&h2==1) {
00103             bx = 121;
00104             by = P2y1+8;
00105         } else {
00106             bx = bx + speed*cos(angle*2*PI/360);
00107             by = by - speed*sin(angle*2*PI/360);
00108         }
00109 
00110         // Print paddles and ball
00111         uLCD.filled_circle(bx, by, 2, 0xffffff);
00112         uLCD.filled_rectangle(0, P1y1, 3, P1y2, 0xffffff);
00113         uLCD.filled_rectangle(124, P2y1, 127, P2y2, 0xffffff);
00114         uLCD.filled_rectangle(0, 9, 3, P1y1-1, 0);
00115         uLCD.filled_rectangle(0, P1y2+1, 3, 127, 0);
00116         uLCD.filled_rectangle(124, 9, 127, P2y1-1, 0);
00117         uLCD.filled_rectangle(124, P2y2+1, 127, 127, 0);
00118         uLCD.line(5, 8, 122, 8, 0xffffff);
00119 
00120         // Print scores
00121         uLCD.locate(2,0);
00122         uLCD.printf("P1: %d    P2: %d",P1S,P2S);
00123         wait(.005);
00124     }
00125 
00126 }