main.cpp

00001 #include "mbed.h"
00002 #include "uLCD_4DGL.h"
00003 #include "SDFileSystem.h"
00004 #include "wave_player.h"
00005 #include <string>
00006 #include "rtos.h"
00007 
00008 // ULCD
00009 uLCD_4DGL uLCD(p9,p10,p17); // serial tx, serial rx, reset pin;
00010 
00011 // Speaker Output
00012 AnalogOut DACout(p18);
00013 wave_player waver(&DACout);
00014 
00015 // SD Cards
00016 SDFileSystem sd(p5, p6, p7, p8, "sd");
00017 
00018 // Paddle Left
00019 AnalogIn photocellleft(p15);
00020 // Paddle Right
00021 AnalogIn photocellright(p16);
00022 
00023 //std::string a
00024 void Sound(std::string event){
00025     FILE *wave_file;
00026     
00027     if(event == "hit")
00028         wave_file=fopen("/sd/wavfiles/pac_bonus.wav","r");
00029     else if(event == "end")
00030         wave_file=fopen("/sd/wavfiles/BUZZER.wav","r");
00031     else if(event == "start")
00032         wave_file=fopen("/sd/wavfiles/BUZZER.wav","r");
00033         
00034     waver.play(wave_file);
00035     fclose(wave_file);
00036     wait(1);
00037  }
00038  
00039 int border = 128;
00040 int paddlesizex = 5;
00041 int paddlesizey = 20;
00042 int paddlecolor = 0x00FF00;
00043 int ballradius = 3;
00044 int ballcolor = 0xFF00FF;
00045 int black = 0x000000;
00046 
00047 // Paddle left
00048 
00049 int paddlelx = 0;
00050 int paddlely = 0;
00051 int paddlerx = border-paddlesizex;
00052 int paddlery = 50;
00053 
00054 int oldpaddlely = paddlely;
00055 int oldpaddlery = paddlery;
00056 
00057 int paddlelincr = 1;
00058 int paddlerincr = 1;
00059 
00060 // Ball x,y , should be randomized to begin
00061 int ballx = border/2;
00062 int bally = rand() % 100; 
00063 
00064 int oldballx = ballx;
00065 int oldbally = bally;
00066     // Increments for ball
00067 int ballxincr = -1;
00068 int ballyincr = -1;
00069 
00070 int oldphotocell = photocellleft;
00071 
00072 int hitvariable = 0;
00073 
00074 // Threading
00075 void function_thread3(void const *name){
00076     FILE *wave_file;
00077     //printf("\n\n\nHello, wave world!\n");
00078     while(true){
00079         if(hitvariable == 1){
00080             wave_file=fopen("/sd/wavfiles/pac_bonus.wav","r");
00081             waver.play(wave_file);
00082             fclose(wave_file);
00083             hitvariable = 0;
00084             //wait(.2);
00085         }
00086     }
00087  }
00088  
00089  // ULCD Functions
00090 void DrawPaddle(int x, int y,int color){
00091        // Green paddles
00092        uLCD.filled_rectangle(x, y, x+paddlesizex, y+paddlesizey, color);
00093 }
00094 
00095 void DrawBall(int x, int y,int color){
00096     uLCD.filled_circle(x, y, ballradius, color);
00097 }
00098 
00099 int main() {
00100     // Begin the game
00101     Sound("start");
00102     
00103     // Thread for Sound
00104     Thread thread3(function_thread3);
00105     
00106     // Baudrate
00107     uLCD.baudrate(300000);
00108     int initialphotocell = photocellleft*100/2;
00109     //uLCD.printf("%d",initialphotocell);
00110     //wait(10);
00111     // Rectangle
00112     DrawPaddle(paddlelx,paddlely,paddlecolor);
00113     //wait(5);
00114     DrawPaddle(paddlerx,paddlery,paddlecolor);
00115     
00116     DrawBall(ballx,bally,ballcolor);
00117     
00118     while(true){
00119         // Update Positions
00120         oldballx = ballx;
00121         oldbally = bally;
00122         ballx += ballxincr;
00123         bally += ballyincr;
00124         oldpaddlely = paddlely;
00125         oldpaddlery = paddlery;
00126         paddlely += paddlelincr;
00127         paddlery += paddlerincr;
00128         
00129         // Ball Collision with right wall
00130         if(ballx+ballradius>=border){
00131             // Lose
00132             //ballxincr = -2;
00133             Sound("end");
00134             ballx = border/2;
00135             bally = rand() % 100;
00136             ballxincr = -1;
00137             ballyincr = -ballyincr;
00138             //hitvariable = 1;
00139             //Sound("hit");
00140         }
00141         // Ball Collision with left wall
00142         else if(ballx<=0){
00143             // Lose
00144             Sound("end");
00145             ballx = border/2;
00146             bally = rand() % 100;
00147             ballxincr = 1;
00148             ballyincr = -ballyincr;
00149             //hitvariable = 1;
00150             //Sound("hit");
00151         }
00152         // Ball Collision with top and Bottom
00153         if(bally+ballradius>=border){
00154             ballyincr = -1;
00155             hitvariable = 1;
00156             //Sound("hit");
00157         }
00158         else if(bally<=0){
00159             ballyincr = 1;
00160             hitvariable = 1;
00161             //Sound("hit");
00162         }
00163         
00164         // Left Paddle Collisions
00165         if(ballx-ballradius<=paddlelx+paddlesizex && bally+ballradius>paddlely && bally-ballradius<paddlely+paddlesizey){
00166           ballxincr = 1;
00167         }
00168         // Right Paddle Collision
00169         else if(ballx+ballradius>=paddlerx && bally+ballradius>paddlery && bally-ballradius<paddlery+paddlesizey){
00170           ballxincr = -1;
00171         }
00172         // Paddle not fall off the screen
00173         if(paddlely<0){
00174           paddlely = 0;
00175           //paddlelincr = 1;
00176         }
00177         else if(paddlely+paddlesizey>=border){
00178           paddlely = border - paddlesizey;
00179           //paddlelincr = -1;
00180         }
00181         if(paddlery<=0){
00182           paddlery = 0;
00183           //paddlerincr = 1;
00184         }
00185         else if(paddlery+paddlesizey>=border){
00186           paddlery = border - paddlesizey;
00187           //paddlerincr = -1;
00188         }
00189         // Get light from Photocells
00190         if(photocellleft*100 >initialphotocell)
00191         {
00192             paddlelincr = -2;   
00193         }
00194         else
00195         {
00196             paddlelincr = 2;   
00197         }
00198         if(photocellright*100 > initialphotocell)
00199         {
00200             paddlerincr = -2;   
00201         }
00202         else
00203         {
00204             paddlerincr = 2;   
00205         }
00206         //oldphotocell = photocell;
00207         DrawBall(oldballx,oldbally,black);
00208         DrawBall(ballx,bally,ballcolor);
00209         DrawPaddle(paddlelx,oldpaddlely,black);
00210         DrawPaddle(paddlerx,oldpaddlery,black);
00211         DrawPaddle(paddlelx,paddlely,paddlecolor);
00212         DrawPaddle(paddlerx,paddlery,paddlecolor);
00213     }
00214 }
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