Guangchu Shi / Mbed 2 deprecated 4180_4

Code for 4180 mini project

Dependencies:   4DGL-uLCD-SE SDFileSystem mbed-rtos mbed wave_player

Fork of Pacman by Shawn Rigdon

main.cpp@2:610d5194c64e, 2015-10-21 (annotated)

Committer:
rollschild
Date:
Wed Oct 21 19:53:10 2015 +0000
Revision:
2:610d5194c64e
Parent:
1:b86030cf57c4 
Code for 4180 lab4

Who changed what in which revision?

UserRevisionLine numberNew contents of line
srigdon3 0:0a900ff9a788 1 #include "mbed.h"
srigdon3 0:0a900ff9a788 2 #include "rtos.h"
srigdon3 0:0a900ff9a788 3 #include "uLCD_4DGL.h"
rollschild 2:610d5194c64e 4 #include "SDFileSystem.h"
rollschild 2:610d5194c64e 5 #include "wave_player.h"
srigdon3 0:0a900ff9a788 6
rollschild 2:610d5194c64e 7 #define PAC_SIZE 5 // The radius of Pacman and the ghost
rollschild 2:610d5194c64e 8 #define STEP_SIZE 8 // The number of pixels each character moves at once
rollschild 2:610d5194c64e 9 #define CLEARANCE 12 // The number of pixels each character checks ahead before moving
srigdon3 0:0a900ff9a788 10
rollschild 2:610d5194c64e 11 DigitalIn left_pb(p21); // push button
rollschild 2:610d5194c64e 12 DigitalIn right_pb(p22); // push button
rollschild 2:610d5194c64e 13 DigitalIn up_pb(p23); // push button
rollschild 2:610d5194c64e 14 DigitalIn down_pb(p24); // push button
rollschild 2:610d5194c64e 15 SDFileSystem sd(p5, p6, p7, p8, "sd"); //SD card
rollschild 2:610d5194c64e 16 AnalogOut DACout(p18);
rollschild 2:610d5194c64e 17 wave_player waver(&DACout); // wave player
srigdon3 0:0a900ff9a788 18 uLCD_4DGL uLCD(p28, p27, p29);
srigdon3 0:0a900ff9a788 19 Mutex lcd_mutex;
srigdon3 0:0a900ff9a788 20
rollschild 2:610d5194c64e 21 void checkMOVE(void); // This function is defined below. It was written here since other functions return to it that it also calls.
srigdon3 0:0a900ff9a788 22
rollschild 2:610d5194c64e 23 // several variables are used by multiple threads
rollschild 2:610d5194c64e 24 volatile bool win=false; // True when pacman has eaten all coins
rollschild 2:610d5194c64e 25 volatile bool lose=false; // True when the position of the ghost and pacman are the same
rollschild 2:610d5194c64e 26 volatile int x = 64; // x and y are pacman's position. The starting position is defined here.
srigdon3 0:0a900ff9a788 27 volatile int y = 88;
rollschild 2:610d5194c64e 28 volatile int gx1 = 64; // Starting position of the blue ghost
srigdon3 0:0a900ff9a788 29 volatile int gy1 = 40;
srigdon3 0:0a900ff9a788 30 int i;
srigdon3 0:0a900ff9a788 31 bool clearRIGHT,clearLEFT,clearUP,clearDOWN,bgcr,bgcl,bgcu,bgcd;
srigdon3 1:b86030cf57c4 32
rollschild 2:610d5194c64e 33 // An array containing the locations of the 81 coins pacman must eat
srigdon3 0:0a900ff9a788 34 int coins[81][2] = {
srigdon3 0:0a900ff9a788 35 {40,88},{48,88},{56,88},{72,88},{80,88},{88,88},
srigdon3 0:0a900ff9a788 36 {40,40},{48,40},{56,40},{64,40},{72,40},{80,40},{88,40},
srigdon3 0:0a900ff9a788 37 {40,48},{40,56},{40,64},{40,72},{40,80},
srigdon3 0:0a900ff9a788 38 {88,48},{88,56},{88,64},{88,72},{88,80},
srigdon3 0:0a900ff9a788 39 {56,96},{56,104},{56,112},
srigdon3 0:0a900ff9a788 40 {48,112},{40,112},{32,112},{24,112},{16,112},
srigdon3 0:0a900ff9a788 41 {16,104},{16,96},{16,88},{16,80},{16,72},
srigdon3 0:0a900ff9a788 42 {24,64},{32,64},
srigdon3 0:0a900ff9a788 43 {16,64},{16,56},{16,48},{16,40},{16,32},{16,24},{16,16},
srigdon3 0:0a900ff9a788 44 {24,16},{32,16},{40,16},{48,16},{56,16},
srigdon3 0:0a900ff9a788 45 {56,24},{56,32},
srigdon3 0:0a900ff9a788 46 {72,96},{72,104},{72,112},
srigdon3 0:0a900ff9a788 47 {80,112},{88,112},{96,112},{104,112},{112,112},
srigdon3 0:0a900ff9a788 48 {112,104},{112,96},{112,88},{112,80},{112,72},
srigdon3 0:0a900ff9a788 49 {104,64},{96,64},
srigdon3 0:0a900ff9a788 50 {112,64},{112,56},{112,48},{112,40},{112,32},{112,24},{112,16},
srigdon3 0:0a900ff9a788 51 {104,16},{96,16},{88,16},{80,16},{72,16},
srigdon3 0:0a900ff9a788 52 {72,24},{72,32}
srigdon3 0:0a900ff9a788 53 };
srigdon3 0:0a900ff9a788 54
rollschild 2:610d5194c64e 55 // This function is used in the ghost thread to replace coins as it passes over them
srigdon3 0:0a900ff9a788 56 void replaceCOINS(void)
srigdon3 0:0a900ff9a788 57 {
srigdon3 0:0a900ff9a788 58 for(int n=0; n<81; n++)
srigdon3 0:0a900ff9a788 59 {
srigdon3 1:b86030cf57c4 60 lcd_mutex.lock(); //The coins array is used by both threads
srigdon3 0:0a900ff9a788 61 if(gx1 == coins[n][0] && gy1 == coins[n][1])
srigdon3 0:0a900ff9a788 62 {
srigdon3 1:b86030cf57c4 63 uLCD.filled_circle(gx1,gy1,1,0xFFFF00); //compare the set of coins to the ghost's previous position and if there is a match redraw coin
srigdon3 0:0a900ff9a788 64 }
srigdon3 0:0a900ff9a788 65 lcd_mutex.unlock();
srigdon3 0:0a900ff9a788 66 }
srigdon3 0:0a900ff9a788 67 }
srigdon3 0:0a900ff9a788 68
rollschild 2:610d5194c64e 69 // Checks if the ghost can move right (there is no boundary immediately to the right)
srigdon3 0:0a900ff9a788 70 void BGclearRIGHT(void)
srigdon3 0:0a900ff9a788 71 {
srigdon3 0:0a900ff9a788 72 bgcr = true;
srigdon3 0:0a900ff9a788 73 for(int p=gx1; p <= gx1+CLEARANCE; p++)
srigdon3 0:0a900ff9a788 74 {
srigdon3 0:0a900ff9a788 75 lcd_mutex.lock();
srigdon3 0:0a900ff9a788 76 if(uLCD.read_pixel(p,gy1)==uLCD.read_pixel(4,4))
srigdon3 0:0a900ff9a788 77 {
rollschild 2:610d5194c64e 78 bgcr = false; // compare the pixels immediately in front of the ghost to the boundary up to the spec. clearance
rollschild 2:610d5194c64e 79 } // if they are the same color, determine the ghost can't move right
srigdon3 0:0a900ff9a788 80 lcd_mutex.unlock();
srigdon3 0:0a900ff9a788 81 }
srigdon3 0:0a900ff9a788 82 }
srigdon3 0:0a900ff9a788 83
srigdon3 1:b86030cf57c4 84 //Checks if ghost can move left
srigdon3 0:0a900ff9a788 85 void BGclearLEFT(void)
srigdon3 0:0a900ff9a788 86 {
srigdon3 0:0a900ff9a788 87 bgcl = true;
srigdon3 0:0a900ff9a788 88 for(int p=gx1; p >= gx1-CLEARANCE; p--)
srigdon3 0:0a900ff9a788 89 {
srigdon3 0:0a900ff9a788 90 lcd_mutex.lock();
srigdon3 0:0a900ff9a788 91 if(uLCD.read_pixel(p,gy1)==uLCD.read_pixel(4,4))
srigdon3 0:0a900ff9a788 92 {
srigdon3 0:0a900ff9a788 93 bgcl = false;
srigdon3 0:0a900ff9a788 94 }
srigdon3 0:0a900ff9a788 95 lcd_mutex.unlock();
srigdon3 0:0a900ff9a788 96 }
srigdon3 0:0a900ff9a788 97 }
srigdon3 0:0a900ff9a788 98
srigdon3 1:b86030cf57c4 99 //Checks if ghost can move up
srigdon3 0:0a900ff9a788 100 void BGclearUP(void)
srigdon3 0:0a900ff9a788 101 {
srigdon3 0:0a900ff9a788 102 bgcu = true;
srigdon3 0:0a900ff9a788 103 for(int p=gy1; p >= gy1-CLEARANCE; p--)
srigdon3 0:0a900ff9a788 104 {
srigdon3 0:0a900ff9a788 105 lcd_mutex.lock();
srigdon3 0:0a900ff9a788 106 if(uLCD.read_pixel(gx1,p)==uLCD.read_pixel(4,4))
srigdon3 0:0a900ff9a788 107 {
srigdon3 0:0a900ff9a788 108 bgcu = false;
srigdon3 0:0a900ff9a788 109 }
srigdon3 0:0a900ff9a788 110 lcd_mutex.unlock();
srigdon3 0:0a900ff9a788 111 }
srigdon3 0:0a900ff9a788 112 }
srigdon3 0:0a900ff9a788 113
srigdon3 1:b86030cf57c4 114 //Checks if ghost can move down
srigdon3 0:0a900ff9a788 115 void BGclearDOWN(void)
srigdon3 0:0a900ff9a788 116 {
srigdon3 0:0a900ff9a788 117 bgcd = true;
srigdon3 0:0a900ff9a788 118 for(int p=gy1; p <= gy1+CLEARANCE; p++)
srigdon3 0:0a900ff9a788 119 {
srigdon3 0:0a900ff9a788 120 lcd_mutex.lock();
srigdon3 0:0a900ff9a788 121 if(uLCD.read_pixel(gx1,p)==uLCD.read_pixel(4,4))
srigdon3 0:0a900ff9a788 122 {
srigdon3 0:0a900ff9a788 123 bgcd = false;
srigdon3 0:0a900ff9a788 124 }
srigdon3 0:0a900ff9a788 125 lcd_mutex.unlock();
srigdon3 0:0a900ff9a788 126 }
srigdon3 0:0a900ff9a788 127 }
srigdon3 0:0a900ff9a788 128
srigdon3 1:b86030cf57c4 129 //Moves the blue ghost to the right
srigdon3 0:0a900ff9a788 130 void bgRIGHT(void)
srigdon3 0:0a900ff9a788 131 {
srigdon3 0:0a900ff9a788 132 Thread::wait(50);
srigdon3 0:0a900ff9a788 133 lcd_mutex.lock();
srigdon3 1:b86030cf57c4 134 uLCD.filled_rectangle(gx1-PAC_SIZE,gy1-PAC_SIZE,gx1+PAC_SIZE,gy1+PAC_SIZE,BLACK); //erase the previous ghost drawing
srigdon3 0:0a900ff9a788 135 lcd_mutex.unlock();
srigdon3 1:b86030cf57c4 136 replaceCOINS(); //replace the coin the ghost was just on if there was one
srigdon3 1:b86030cf57c4 137 if(gx1>124) //This will cause the ghost to wrap around to the left side of the screen if there were no boundary on the far right
srigdon3 0:0a900ff9a788 138 {
srigdon3 0:0a900ff9a788 139 gx1 = 0;
srigdon3 0:0a900ff9a788 140 }
srigdon3 1:b86030cf57c4 141 gx1 = gx1+STEP_SIZE; //Move one step size in the x direction
srigdon3 0:0a900ff9a788 142 lcd_mutex.lock();
srigdon3 1:b86030cf57c4 143 //redraw the ghost at the new position
srigdon3 0:0a900ff9a788 144 uLCD.filled_circle(gx1,gy1,PAC_SIZE,BLUE);
srigdon3 0:0a900ff9a788 145 uLCD.filled_rectangle(gx1-PAC_SIZE,gy1,gx1+PAC_SIZE,gy1+PAC_SIZE,BLUE);
srigdon3 0:0a900ff9a788 146 uLCD.filled_circle(gx1+2,gy1-2,1,BLACK);
srigdon3 0:0a900ff9a788 147 uLCD.filled_circle(gx1-2,gy1-2,1,BLACK);
srigdon3 0:0a900ff9a788 148 lcd_mutex.unlock();
srigdon3 0:0a900ff9a788 149 }
srigdon3 0:0a900ff9a788 150
srigdon3 1:b86030cf57c4 151 //Moves the blue ghost left
srigdon3 0:0a900ff9a788 152 void bgLEFT(void)
srigdon3 0:0a900ff9a788 153 {
srigdon3 0:0a900ff9a788 154 Thread::wait(50);
srigdon3 0:0a900ff9a788 155 lcd_mutex.lock();
srigdon3 0:0a900ff9a788 156 uLCD.filled_rectangle(gx1-PAC_SIZE,gy1-PAC_SIZE,gx1+PAC_SIZE,gy1+PAC_SIZE,BLACK);
srigdon3 0:0a900ff9a788 157 lcd_mutex.unlock();
srigdon3 0:0a900ff9a788 158 replaceCOINS();
srigdon3 0:0a900ff9a788 159 if(gx1<4)
srigdon3 0:0a900ff9a788 160 {
srigdon3 0:0a900ff9a788 161 gx1 = 124;
srigdon3 0:0a900ff9a788 162 }
srigdon3 0:0a900ff9a788 163 gx1 = gx1-STEP_SIZE;
srigdon3 0:0a900ff9a788 164 lcd_mutex.lock();
srigdon3 0:0a900ff9a788 165 uLCD.filled_circle(gx1,gy1,PAC_SIZE,BLUE);
srigdon3 0:0a900ff9a788 166 uLCD.filled_rectangle(gx1-PAC_SIZE,gy1,gx1+PAC_SIZE,gy1+PAC_SIZE,BLUE);
srigdon3 0:0a900ff9a788 167 uLCD.filled_circle(gx1+2,gy1-2,1,BLACK);
srigdon3 0:0a900ff9a788 168 uLCD.filled_circle(gx1-2,gy1-2,1,BLACK);
srigdon3 0:0a900ff9a788 169 lcd_mutex.unlock();
srigdon3 0:0a900ff9a788 170 }
srigdon3 0:0a900ff9a788 171
srigdon3 1:b86030cf57c4 172 //Moves the blue ghost up
srigdon3 0:0a900ff9a788 173 void bgUP(void)
srigdon3 0:0a900ff9a788 174 {
srigdon3 0:0a900ff9a788 175 Thread::wait(50);
srigdon3 0:0a900ff9a788 176 lcd_mutex.lock();
srigdon3 0:0a900ff9a788 177 uLCD.filled_rectangle(gx1-PAC_SIZE,gy1-PAC_SIZE,gx1+PAC_SIZE,gy1+PAC_SIZE,BLACK);
srigdon3 0:0a900ff9a788 178 lcd_mutex.unlock();
srigdon3 0:0a900ff9a788 179 replaceCOINS();
srigdon3 0:0a900ff9a788 180 if(gy1<4)
srigdon3 0:0a900ff9a788 181 {
srigdon3 0:0a900ff9a788 182 gy1 = 124;
srigdon3 0:0a900ff9a788 183 }
srigdon3 0:0a900ff9a788 184 gy1 = gy1-STEP_SIZE;
srigdon3 0:0a900ff9a788 185 lcd_mutex.lock();
srigdon3 0:0a900ff9a788 186 uLCD.filled_circle(gx1,gy1,PAC_SIZE,BLUE);
srigdon3 0:0a900ff9a788 187 uLCD.filled_rectangle(gx1-PAC_SIZE,gy1,gx1+PAC_SIZE,gy1+PAC_SIZE,BLUE);
srigdon3 0:0a900ff9a788 188 uLCD.filled_circle(gx1+2,gy1-2,1,BLACK);
srigdon3 0:0a900ff9a788 189 uLCD.filled_circle(gx1-2,gy1-2,1,BLACK);
srigdon3 0:0a900ff9a788 190 lcd_mutex.unlock();
srigdon3 0:0a900ff9a788 191 }
srigdon3 0:0a900ff9a788 192
srigdon3 1:b86030cf57c4 193 //Moves the blue ghost down
srigdon3 0:0a900ff9a788 194 void bgDOWN(void)
srigdon3 0:0a900ff9a788 195 {
srigdon3 0:0a900ff9a788 196 Thread::wait(50);
srigdon3 0:0a900ff9a788 197 lcd_mutex.lock();
srigdon3 0:0a900ff9a788 198 uLCD.filled_rectangle(gx1-PAC_SIZE,gy1-PAC_SIZE,gx1+PAC_SIZE,gy1+PAC_SIZE,BLACK);
srigdon3 0:0a900ff9a788 199 lcd_mutex.unlock();
srigdon3 0:0a900ff9a788 200 replaceCOINS();
srigdon3 0:0a900ff9a788 201 if(gy1>124)
srigdon3 0:0a900ff9a788 202 {
srigdon3 0:0a900ff9a788 203 gy1 = 0;
srigdon3 0:0a900ff9a788 204 }
srigdon3 0:0a900ff9a788 205 gy1 = gy1+STEP_SIZE;
srigdon3 0:0a900ff9a788 206 lcd_mutex.lock();
srigdon3 0:0a900ff9a788 207 uLCD.filled_circle(gx1,gy1,PAC_SIZE,BLUE);
srigdon3 0:0a900ff9a788 208 uLCD.filled_rectangle(gx1-PAC_SIZE,gy1,gx1+PAC_SIZE,gy1+PAC_SIZE,BLUE);
srigdon3 0:0a900ff9a788 209 uLCD.filled_circle(gx1+2,gy1-2,1,BLACK);
srigdon3 0:0a900ff9a788 210 uLCD.filled_circle(gx1-2,gy1-2,1,BLACK);
srigdon3 0:0a900ff9a788 211 lcd_mutex.unlock();
srigdon3 0:0a900ff9a788 212 }
srigdon3 0:0a900ff9a788 213
srigdon3 1:b86030cf57c4 214 //Force ghost to chase Pacman
srigdon3 0:0a900ff9a788 215 void follow(void)
srigdon3 0:0a900ff9a788 216 {
rollschild 2:610d5194c64e 217 if((gx1==x) && (y == gy1) ) //if the ghost and Pacman are at the same position trigger losing condition
srigdon3 0:0a900ff9a788 218 {
srigdon3 1:b86030cf57c4 219 win = true; //This is set to true just to exit the check for a win loop and terminate other loops without writing additional conditions
srigdon3 0:0a900ff9a788 220 lose = true;
rollschild 2:610d5194c64e 221 if(lose) //Print game over message if lose (determined in the follow function)
rollschild 2:610d5194c64e 222 {
rollschild 2:610d5194c64e 223 uLCD.cls();
rollschild 2:610d5194c64e 224 uLCD.printf("Sorry\nGame Over");
rollschild 2:610d5194c64e 225 // if loss, ring the buzzer
rollschild 2:610d5194c64e 226 FILE *wave_file;
rollschild 2:610d5194c64e 227 wave_file=fopen("/sd/test.wav","r");
rollschild 2:610d5194c64e 228 waver.play(wave_file);
rollschild 2:610d5194c64e 229 fclose(wave_file);
rollschild 2:610d5194c64e 230 Thread::wait(1000);
rollschild 2:610d5194c64e 231 return void();
rollschild 2:610d5194c64e 232 }
rollschild 2:610d5194c64e 233
srigdon3 0:0a900ff9a788 234 }
srigdon3 1:b86030cf57c4 235 while(x==gx1 && gy1<y && !win) //If the ghost is directly above Pacman check to see if moving down is possible, then move down
srigdon3 0:0a900ff9a788 236 {
srigdon3 1:b86030cf57c4 237 BGclearDOWN();
srigdon3 0:0a900ff9a788 238 bgDOWN();
srigdon3 0:0a900ff9a788 239 }
srigdon3 0:0a900ff9a788 240 while(x==gx1 && gy1>y && !win)
srigdon3 0:0a900ff9a788 241 {
srigdon3 0:0a900ff9a788 242 BGclearUP();
srigdon3 0:0a900ff9a788 243 bgUP();
srigdon3 0:0a900ff9a788 244 }
srigdon3 0:0a900ff9a788 245 while(y==gy1 && gx1<x && !win)
srigdon3 0:0a900ff9a788 246 {
srigdon3 0:0a900ff9a788 247 BGclearRIGHT();
srigdon3 0:0a900ff9a788 248 bgRIGHT();
srigdon3 0:0a900ff9a788 249 }
srigdon3 0:0a900ff9a788 250 while(y==gy1 && gx1>x && !win)
srigdon3 0:0a900ff9a788 251 {
srigdon3 0:0a900ff9a788 252 BGclearLEFT();
srigdon3 0:0a900ff9a788 253 bgLEFT();
srigdon3 0:0a900ff9a788 254 }
srigdon3 0:0a900ff9a788 255 }
srigdon3 0:0a900ff9a788 256
srigdon3 1:b86030cf57c4 257 //Ghost selects a direction to move
srigdon3 0:0a900ff9a788 258 void pickMOVE(void)
rollschild 2:610d5194c64e 259 {
rollschild 2:610d5194c64e 260
srigdon3 1:b86030cf57c4 261 while((gx1==x || gy1==y) && abs(x-gx1)+abs(y-gy1)<=16 && !win) //If Pacman is close by give chase
srigdon3 0:0a900ff9a788 262 {
srigdon3 0:0a900ff9a788 263 follow();
srigdon3 0:0a900ff9a788 264 }
srigdon3 1:b86030cf57c4 265 int dec = rand()%4; //randomly generate a number from the set 0,1,2,3, which serves as the direction decision
srigdon3 0:0a900ff9a788 266 if(dec == 0)
srigdon3 0:0a900ff9a788 267 {
srigdon3 0:0a900ff9a788 268 BGclearRIGHT();
srigdon3 1:b86030cf57c4 269 while(bgcr && !win) //If decision 0 was reached, check to the the move right until a boundary is reached
srigdon3 0:0a900ff9a788 270 {
srigdon3 0:0a900ff9a788 271 bgRIGHT();
srigdon3 0:0a900ff9a788 272 BGclearRIGHT();
srigdon3 0:0a900ff9a788 273 }
srigdon3 0:0a900ff9a788 274 }
srigdon3 0:0a900ff9a788 275 else if(dec == 1)
srigdon3 0:0a900ff9a788 276 {
srigdon3 0:0a900ff9a788 277 BGclearLEFT();
srigdon3 0:0a900ff9a788 278 while(bgcl && !win)
srigdon3 0:0a900ff9a788 279 {
srigdon3 0:0a900ff9a788 280 bgLEFT();
srigdon3 0:0a900ff9a788 281 BGclearLEFT();
srigdon3 0:0a900ff9a788 282 }
srigdon3 0:0a900ff9a788 283 }
srigdon3 0:0a900ff9a788 284 else if(dec == 2)
srigdon3 0:0a900ff9a788 285 {
srigdon3 0:0a900ff9a788 286 BGclearUP();
srigdon3 0:0a900ff9a788 287 while(bgcu && !win)
srigdon3 0:0a900ff9a788 288 {
srigdon3 0:0a900ff9a788 289 bgUP();
srigdon3 0:0a900ff9a788 290 BGclearUP();
srigdon3 0:0a900ff9a788 291 }
srigdon3 0:0a900ff9a788 292 }
srigdon3 0:0a900ff9a788 293 else
srigdon3 0:0a900ff9a788 294 {
srigdon3 0:0a900ff9a788 295 BGclearDOWN();
srigdon3 0:0a900ff9a788 296 while(bgcd && !win)
srigdon3 0:0a900ff9a788 297 {
srigdon3 0:0a900ff9a788 298 bgDOWN();
srigdon3 0:0a900ff9a788 299 BGclearDOWN();
srigdon3 0:0a900ff9a788 300 }
srigdon3 0:0a900ff9a788 301 }
srigdon3 0:0a900ff9a788 302 }
srigdon3 0:0a900ff9a788 303
srigdon3 1:b86030cf57c4 304 //Check if Pacman can move one step size to the right (Essentially the same as checking for the ghost)
srigdon3 0:0a900ff9a788 305 void CHECKclearRIGHT(void)
srigdon3 0:0a900ff9a788 306 {
srigdon3 0:0a900ff9a788 307 clearRIGHT = true;
srigdon3 0:0a900ff9a788 308 for(i=x; i <= x+CLEARANCE; i++)
srigdon3 0:0a900ff9a788 309 {
srigdon3 0:0a900ff9a788 310 lcd_mutex.lock();
srigdon3 0:0a900ff9a788 311 if(uLCD.read_pixel(i,y)==uLCD.read_pixel(4,4))
srigdon3 0:0a900ff9a788 312 {
srigdon3 0:0a900ff9a788 313 clearRIGHT = false;
srigdon3 0:0a900ff9a788 314 }
srigdon3 0:0a900ff9a788 315 lcd_mutex.unlock();
srigdon3 0:0a900ff9a788 316 }
srigdon3 0:0a900ff9a788 317 }
srigdon3 0:0a900ff9a788 318
srigdon3 1:b86030cf57c4 319 //Check if Pacman can move left
srigdon3 0:0a900ff9a788 320 void CHECKclearLEFT(void)
srigdon3 0:0a900ff9a788 321 {
srigdon3 0:0a900ff9a788 322 clearLEFT = true;
srigdon3 0:0a900ff9a788 323 for(i=x; i >= x-CLEARANCE; i--)
srigdon3 0:0a900ff9a788 324 {
srigdon3 0:0a900ff9a788 325 lcd_mutex.lock();
srigdon3 0:0a900ff9a788 326 if(uLCD.read_pixel(i,y)==uLCD.read_pixel(4,4))
srigdon3 0:0a900ff9a788 327 {
srigdon3 0:0a900ff9a788 328 clearLEFT = false;
srigdon3 0:0a900ff9a788 329 }
srigdon3 0:0a900ff9a788 330 lcd_mutex.unlock();
srigdon3 0:0a900ff9a788 331 }
srigdon3 0:0a900ff9a788 332 }
srigdon3 0:0a900ff9a788 333
srigdon3 1:b86030cf57c4 334 //Check if Pacman can move up
srigdon3 0:0a900ff9a788 335 void CHECKclearUP(void)
srigdon3 0:0a900ff9a788 336 {
srigdon3 0:0a900ff9a788 337 clearUP = true;
srigdon3 0:0a900ff9a788 338 for(i=y; i >= y-CLEARANCE; i--)
srigdon3 0:0a900ff9a788 339 {
srigdon3 0:0a900ff9a788 340 lcd_mutex.lock();
srigdon3 0:0a900ff9a788 341 if(uLCD.read_pixel(x,i)==uLCD.read_pixel(4,4))
srigdon3 0:0a900ff9a788 342 {
srigdon3 0:0a900ff9a788 343 clearUP = false;
srigdon3 0:0a900ff9a788 344 }
srigdon3 0:0a900ff9a788 345 lcd_mutex.unlock();
srigdon3 0:0a900ff9a788 346 }
srigdon3 0:0a900ff9a788 347 }
srigdon3 0:0a900ff9a788 348
srigdon3 1:b86030cf57c4 349 //Check if Pacman can move down
srigdon3 0:0a900ff9a788 350 void CHECKclearDOWN(void)
srigdon3 0:0a900ff9a788 351 {
srigdon3 0:0a900ff9a788 352 clearDOWN = true;
srigdon3 0:0a900ff9a788 353 for(i=y; i <= y+CLEARANCE; i++)
srigdon3 0:0a900ff9a788 354 {
srigdon3 0:0a900ff9a788 355 lcd_mutex.lock();
srigdon3 0:0a900ff9a788 356 if(uLCD.read_pixel(x,i)==uLCD.read_pixel(4,4))
srigdon3 0:0a900ff9a788 357 {
srigdon3 0:0a900ff9a788 358 clearDOWN = false;
srigdon3 0:0a900ff9a788 359 }
srigdon3 0:0a900ff9a788 360 lcd_mutex.unlock();
srigdon3 0:0a900ff9a788 361 }
srigdon3 0:0a900ff9a788 362 }
srigdon3 0:0a900ff9a788 363
srigdon3 1:b86030cf57c4 364 //This function tracks the coin Pacman eats as he passes over it
srigdon3 0:0a900ff9a788 365 void changeCOINS(void)
srigdon3 0:0a900ff9a788 366 {
srigdon3 0:0a900ff9a788 367 for(int m=0; m<81; m++)
srigdon3 0:0a900ff9a788 368 {
srigdon3 0:0a900ff9a788 369 lcd_mutex.lock();
srigdon3 1:b86030cf57c4 370 if(x == coins[m][0] && y == coins[m][1]) //Compare Pacman's position to the set of coins
srigdon3 0:0a900ff9a788 371 {
srigdon3 1:b86030cf57c4 372 coins[m][0]=64; //If there is a match, change that coins location to the center of the board where Pacman
srigdon3 1:b86030cf57c4 373 coins[m][1]=64; //cannot go, but do not draw the coin
srigdon3 0:0a900ff9a788 374 }
srigdon3 0:0a900ff9a788 375 lcd_mutex.unlock();
srigdon3 0:0a900ff9a788 376 }
srigdon3 0:0a900ff9a788 377 }
srigdon3 0:0a900ff9a788 378
srigdon3 1:b86030cf57c4 379 //Move Pacman one step size to the right
srigdon3 0:0a900ff9a788 380 void PACmoveRIGHT(void)
srigdon3 0:0a900ff9a788 381 {
srigdon3 1:b86030cf57c4 382 while(clearRIGHT && !win) //Not win indicates the game has not ended
srigdon3 0:0a900ff9a788 383 {
srigdon3 0:0a900ff9a788 384 lcd_mutex.lock();
srigdon3 1:b86030cf57c4 385 uLCD.filled_circle(x,y,PAC_SIZE,BLACK); //Erase Pacman at his last location
srigdon3 0:0a900ff9a788 386 lcd_mutex.unlock();
srigdon3 1:b86030cf57c4 387 if(x>124) //wrap around if moving off the board
srigdon3 0:0a900ff9a788 388 {
srigdon3 0:0a900ff9a788 389 x = 0;
srigdon3 0:0a900ff9a788 390 }
srigdon3 1:b86030cf57c4 391 x = x+STEP_SIZE; //move Pacman one step size to the right
srigdon3 1:b86030cf57c4 392 changeCOINS(); //Track the coin that was eaten at the last location
srigdon3 0:0a900ff9a788 393
srigdon3 1:b86030cf57c4 394 if(x%(2*STEP_SIZE) == 0) //There are two drawings provided for Pacman. The if statement causes Pacman to open his mouth every other move.
srigdon3 0:0a900ff9a788 395 {
srigdon3 0:0a900ff9a788 396 lcd_mutex.lock();
srigdon3 0:0a900ff9a788 397 uLCD.filled_circle(x,y,PAC_SIZE,0xFFFF00);
srigdon3 0:0a900ff9a788 398 uLCD.filled_rectangle(x+2,y-2,x+PAC_SIZE,y+2,BLACK);
srigdon3 0:0a900ff9a788 399 lcd_mutex.unlock();
srigdon3 0:0a900ff9a788 400 }
srigdon3 0:0a900ff9a788 401 else
srigdon3 0:0a900ff9a788 402 {
srigdon3 0:0a900ff9a788 403 lcd_mutex.lock();
srigdon3 0:0a900ff9a788 404 uLCD.filled_circle(x,y,PAC_SIZE,0xFFFF00);
srigdon3 0:0a900ff9a788 405 uLCD.filled_rectangle(x+2,y,x+PAC_SIZE,y+1,BLACK);
srigdon3 0:0a900ff9a788 406 lcd_mutex.unlock();
srigdon3 0:0a900ff9a788 407 }
rollschild 2:610d5194c64e 408
srigdon3 1:b86030cf57c4 409 CHECKclearRIGHT(); //If the user remains in the loop, check for a boundary to the right
srigdon3 0:0a900ff9a788 410 Thread::wait(10);
rollschild 2:610d5194c64e 411 break;
srigdon3 0:0a900ff9a788 412 }
srigdon3 0:0a900ff9a788 413 }
srigdon3 0:0a900ff9a788 414
srigdon3 1:b86030cf57c4 415 //Move Pacman left
srigdon3 0:0a900ff9a788 416 void PACmoveLEFT(void)
srigdon3 0:0a900ff9a788 417 {
srigdon3 0:0a900ff9a788 418 while(clearLEFT && !win)
srigdon3 0:0a900ff9a788 419 {
srigdon3 0:0a900ff9a788 420 lcd_mutex.lock();
srigdon3 0:0a900ff9a788 421 uLCD.filled_circle(x,y,PAC_SIZE,BLACK);
srigdon3 0:0a900ff9a788 422 lcd_mutex.unlock();
srigdon3 0:0a900ff9a788 423 if(x<4)
srigdon3 0:0a900ff9a788 424 {
srigdon3 0:0a900ff9a788 425 x = 128;
srigdon3 0:0a900ff9a788 426 }
srigdon3 0:0a900ff9a788 427 x = x-STEP_SIZE;
rollschild 2:610d5194c64e 428
srigdon3 0:0a900ff9a788 429 changeCOINS();
srigdon3 0:0a900ff9a788 430 if(x%(2*STEP_SIZE) == 0)
srigdon3 0:0a900ff9a788 431 {
srigdon3 0:0a900ff9a788 432 lcd_mutex.lock();
srigdon3 0:0a900ff9a788 433 uLCD.filled_circle(x,y,PAC_SIZE,0xFFFF00);
srigdon3 0:0a900ff9a788 434 uLCD.filled_rectangle(x-2,y-2,x-PAC_SIZE,y+2,BLACK);
srigdon3 0:0a900ff9a788 435 lcd_mutex.unlock();
srigdon3 0:0a900ff9a788 436 }
srigdon3 0:0a900ff9a788 437 else
srigdon3 0:0a900ff9a788 438 {
srigdon3 0:0a900ff9a788 439 lcd_mutex.lock();
srigdon3 0:0a900ff9a788 440 uLCD.filled_circle(x,y,PAC_SIZE,0xFFFF00);
srigdon3 0:0a900ff9a788 441 uLCD.filled_rectangle(x-2,y,x-PAC_SIZE,y+1,BLACK);
srigdon3 0:0a900ff9a788 442 lcd_mutex.unlock();
srigdon3 0:0a900ff9a788 443 }
rollschild 2:610d5194c64e 444
srigdon3 0:0a900ff9a788 445 CHECKclearLEFT();
srigdon3 0:0a900ff9a788 446 Thread::wait(10);
rollschild 2:610d5194c64e 447 break;
srigdon3 0:0a900ff9a788 448 }
srigdon3 0:0a900ff9a788 449 }
srigdon3 0:0a900ff9a788 450
srigdon3 1:b86030cf57c4 451 //Move Pacman up
srigdon3 0:0a900ff9a788 452 void PACmoveUP(void)
srigdon3 0:0a900ff9a788 453 {
srigdon3 0:0a900ff9a788 454 while(clearUP && !win)
srigdon3 0:0a900ff9a788 455 {
srigdon3 0:0a900ff9a788 456 lcd_mutex.lock();
srigdon3 0:0a900ff9a788 457 uLCD.filled_circle(x,y,PAC_SIZE,BLACK);
srigdon3 0:0a900ff9a788 458 lcd_mutex.unlock();
srigdon3 0:0a900ff9a788 459 if(y<4)
srigdon3 0:0a900ff9a788 460 {
srigdon3 0:0a900ff9a788 461 y = 128;
srigdon3 0:0a900ff9a788 462 }
srigdon3 0:0a900ff9a788 463 y = y-STEP_SIZE;
srigdon3 0:0a900ff9a788 464 changeCOINS();
srigdon3 0:0a900ff9a788 465 if(y%(2*STEP_SIZE) == 0)
srigdon3 0:0a900ff9a788 466 {
srigdon3 0:0a900ff9a788 467 lcd_mutex.lock();
srigdon3 0:0a900ff9a788 468 uLCD.filled_circle(x,y,PAC_SIZE,0xFFFF00);
srigdon3 0:0a900ff9a788 469 uLCD.filled_rectangle(x-2,y-2,x+2,y-PAC_SIZE,BLACK);
srigdon3 0:0a900ff9a788 470 lcd_mutex.unlock();
srigdon3 0:0a900ff9a788 471 }
srigdon3 0:0a900ff9a788 472 else
srigdon3 0:0a900ff9a788 473 {
srigdon3 0:0a900ff9a788 474 lcd_mutex.lock();
srigdon3 0:0a900ff9a788 475 uLCD.filled_circle(x,y,PAC_SIZE,0xFFFF00);
srigdon3 0:0a900ff9a788 476 uLCD.filled_rectangle(x,y-2,x+1,y-PAC_SIZE,BLACK);
srigdon3 0:0a900ff9a788 477 lcd_mutex.unlock();
srigdon3 0:0a900ff9a788 478 }
rollschild 2:610d5194c64e 479
srigdon3 0:0a900ff9a788 480 CHECKclearUP();
srigdon3 0:0a900ff9a788 481 Thread::wait(10);
rollschild 2:610d5194c64e 482 break;
srigdon3 0:0a900ff9a788 483 }
srigdon3 0:0a900ff9a788 484 }
srigdon3 0:0a900ff9a788 485
srigdon3 1:b86030cf57c4 486 //Move Pacman down
srigdon3 0:0a900ff9a788 487 void PACmoveDOWN(void)
srigdon3 0:0a900ff9a788 488 {
srigdon3 0:0a900ff9a788 489 while(clearDOWN && !win)
srigdon3 0:0a900ff9a788 490 {
srigdon3 0:0a900ff9a788 491 lcd_mutex.lock();
srigdon3 0:0a900ff9a788 492 uLCD.filled_circle(x,y,PAC_SIZE,BLACK);
srigdon3 0:0a900ff9a788 493 lcd_mutex.unlock();
srigdon3 0:0a900ff9a788 494 if(y>124)
srigdon3 0:0a900ff9a788 495 {
srigdon3 0:0a900ff9a788 496 y = 0;
srigdon3 0:0a900ff9a788 497 }
srigdon3 0:0a900ff9a788 498 y = y+STEP_SIZE;
srigdon3 0:0a900ff9a788 499 changeCOINS();
srigdon3 0:0a900ff9a788 500 if(y%(2*STEP_SIZE) == 0)
srigdon3 0:0a900ff9a788 501 {
srigdon3 0:0a900ff9a788 502 lcd_mutex.lock();
srigdon3 0:0a900ff9a788 503 uLCD.filled_circle(x,y,PAC_SIZE,0xFFFF00);
srigdon3 0:0a900ff9a788 504 uLCD.filled_rectangle(x-2,y+2,x+2,y+PAC_SIZE,BLACK);
srigdon3 0:0a900ff9a788 505 lcd_mutex.unlock();
srigdon3 0:0a900ff9a788 506 }
srigdon3 0:0a900ff9a788 507 else
srigdon3 0:0a900ff9a788 508 {
srigdon3 0:0a900ff9a788 509 lcd_mutex.lock();
srigdon3 0:0a900ff9a788 510 uLCD.filled_circle(x,y,PAC_SIZE,0xFFFF00);
srigdon3 0:0a900ff9a788 511 uLCD.filled_rectangle(x,y+2,x+1,y+PAC_SIZE,BLACK);
srigdon3 0:0a900ff9a788 512 lcd_mutex.unlock();
srigdon3 0:0a900ff9a788 513 }
rollschild 2:610d5194c64e 514
srigdon3 0:0a900ff9a788 515 CHECKclearDOWN();
srigdon3 0:0a900ff9a788 516 Thread::wait(10);
rollschild 2:610d5194c64e 517 break;
srigdon3 0:0a900ff9a788 518 }
srigdon3 0:0a900ff9a788 519 }
srigdon3 0:0a900ff9a788 520
rollschild 2:610d5194c64e 521 //Read the input from pushbuttons
srigdon3 0:0a900ff9a788 522 void checkMOVE(void)
srigdon3 0:0a900ff9a788 523 {
rollschild 2:610d5194c64e 524 if(!right_pb) {
srigdon3 0:0a900ff9a788 525 CHECKclearRIGHT();
srigdon3 0:0a900ff9a788 526 PACmoveRIGHT();
rollschild 2:610d5194c64e 527 } else if(!left_pb) {
srigdon3 0:0a900ff9a788 528 CHECKclearLEFT();
srigdon3 0:0a900ff9a788 529 PACmoveLEFT();
rollschild 2:610d5194c64e 530 } else if(!up_pb){
srigdon3 0:0a900ff9a788 531 CHECKclearUP();
srigdon3 0:0a900ff9a788 532 PACmoveUP();
rollschild 2:610d5194c64e 533 } else if(!down_pb){
srigdon3 0:0a900ff9a788 534 CHECKclearDOWN();
srigdon3 0:0a900ff9a788 535 PACmoveDOWN();
srigdon3 0:0a900ff9a788 536 }
srigdon3 0:0a900ff9a788 537 }
srigdon3 0:0a900ff9a788 538
srigdon3 1:b86030cf57c4 539 //Draw the boudaries for the game using the uLCD graphics commands
srigdon3 0:0a900ff9a788 540 void drawBORDERS(void)
srigdon3 0:0a900ff9a788 541 {
srigdon3 0:0a900ff9a788 542 //Outer Border
srigdon3 0:0a900ff9a788 543 uLCD.rectangle(4,4,124,124,RED);
srigdon3 0:0a900ff9a788 544 uLCD.line(8,8,8,120,RED);
srigdon3 0:0a900ff9a788 545 uLCD.line(8,8,62,8,RED);
srigdon3 0:0a900ff9a788 546 uLCD.line(62,8,62,32,RED);
srigdon3 0:0a900ff9a788 547 uLCD.line(62,32,66,32,RED);
srigdon3 0:0a900ff9a788 548 uLCD.line(66,32,66,8,RED);
srigdon3 0:0a900ff9a788 549 uLCD.line(66,8,120,8,RED);
srigdon3 0:0a900ff9a788 550 uLCD.line(120,8,120,120,RED);
srigdon3 0:0a900ff9a788 551 uLCD.line(120,120,66,120,RED);
srigdon3 0:0a900ff9a788 552 uLCD.line(66,120,66,96,RED);
srigdon3 0:0a900ff9a788 553 uLCD.line(66,96,62,96,RED);
srigdon3 0:0a900ff9a788 554 uLCD.line(62,96,62,120,RED);
srigdon3 0:0a900ff9a788 555 uLCD.line(62,120,8,120,RED);
srigdon3 0:0a900ff9a788 556 //Inner Rectangle
srigdon3 0:0a900ff9a788 557 uLCD.rectangle(52,52,76,76,RED);
srigdon3 0:0a900ff9a788 558 uLCD.rectangle(48,48,80,80,RED);
srigdon3 0:0a900ff9a788 559 //Upper Left Corner
srigdon3 0:0a900ff9a788 560 uLCD.line(48,24,24,24,RED);
srigdon3 0:0a900ff9a788 561 uLCD.line(24,24,24,56,RED);
srigdon3 0:0a900ff9a788 562 uLCD.line(24,56,32,56,RED);
srigdon3 0:0a900ff9a788 563 uLCD.line(32,56,32,32,RED);
srigdon3 0:0a900ff9a788 564 uLCD.line(32,32,48,32,RED);
srigdon3 0:0a900ff9a788 565 uLCD.line(48,32,48,24,RED);
srigdon3 0:0a900ff9a788 566 //Upper Right Corner
srigdon3 0:0a900ff9a788 567 uLCD.line(80,24,104,24,RED);
srigdon3 0:0a900ff9a788 568 uLCD.line(104,24,104,56,RED);
srigdon3 0:0a900ff9a788 569 uLCD.line(104,56,96,56,RED);
srigdon3 0:0a900ff9a788 570 uLCD.line(96,56,96,32,RED);
srigdon3 0:0a900ff9a788 571 uLCD.line(96,32,80,32,RED);
srigdon3 0:0a900ff9a788 572 uLCD.line(80,32,80,24,RED);
srigdon3 0:0a900ff9a788 573 //Lower Left Corner
srigdon3 0:0a900ff9a788 574 uLCD.line(48,104,24,104,RED);
srigdon3 0:0a900ff9a788 575 uLCD.line(24,104,24,72,RED);
srigdon3 0:0a900ff9a788 576 uLCD.line(24,72,32,72,RED);
srigdon3 0:0a900ff9a788 577 uLCD.line(32,72,32,96,RED);
srigdon3 0:0a900ff9a788 578 uLCD.line(32,96,48,96,RED);
srigdon3 0:0a900ff9a788 579 uLCD.line(48,96,48,104,RED);
srigdon3 0:0a900ff9a788 580 //Lower Right Corner
srigdon3 0:0a900ff9a788 581 uLCD.line(80,104,104,104,RED);
srigdon3 0:0a900ff9a788 582 uLCD.line(104,104,104,72,RED);
srigdon3 0:0a900ff9a788 583 uLCD.line(104,72,96,72,RED);
srigdon3 0:0a900ff9a788 584 uLCD.line(96,72,96,96,RED);
srigdon3 0:0a900ff9a788 585 uLCD.line(96,96,80,96,RED);
srigdon3 0:0a900ff9a788 586 uLCD.line(80,96,80,104,RED);
srigdon3 0:0a900ff9a788 587 }
srigdon3 0:0a900ff9a788 588
srigdon3 0:0a900ff9a788 589 void placeCOINS(void)
srigdon3 0:0a900ff9a788 590 {
srigdon3 0:0a900ff9a788 591 for(int j=0; j<81; j++)
srigdon3 0:0a900ff9a788 592 {
srigdon3 1:b86030cf57c4 593 uLCD.filled_circle(coins[j][0],coins[j][1],1,0xFFFF00); //Draw the coins in their initial locations
srigdon3 0:0a900ff9a788 594 }
srigdon3 0:0a900ff9a788 595 }
srigdon3 0:0a900ff9a788 596
srigdon3 1:b86030cf57c4 597 //Draw all the initial states of the game
srigdon3 0:0a900ff9a788 598 void initialize(void)
srigdon3 0:0a900ff9a788 599 {
srigdon3 0:0a900ff9a788 600 drawBORDERS();
srigdon3 0:0a900ff9a788 601 placeCOINS();
srigdon3 0:0a900ff9a788 602 uLCD.filled_circle(x,y,PAC_SIZE,0xFFFF00);
srigdon3 0:0a900ff9a788 603 uLCD.filled_rectangle(x-2,y-2,x-PAC_SIZE,y+2,BLACK);
srigdon3 0:0a900ff9a788 604 }
srigdon3 0:0a900ff9a788 605
srigdon3 1:b86030cf57c4 606 //Check to see if all the coins have been eaten
srigdon3 0:0a900ff9a788 607 void checkWIN(void)
srigdon3 0:0a900ff9a788 608 {
srigdon3 0:0a900ff9a788 609 win = true;
srigdon3 0:0a900ff9a788 610 for(int k=0; k<81; k++)
srigdon3 0:0a900ff9a788 611 {
srigdon3 0:0a900ff9a788 612 lcd_mutex.lock();
srigdon3 1:b86030cf57c4 613 if(coins[k][0]!=64 || coins[k][1]!=64) //Check the locations of all coins and if 1 has coordinates other than (64,64) the user has not won
srigdon3 0:0a900ff9a788 614 {
srigdon3 0:0a900ff9a788 615 win = false;
srigdon3 0:0a900ff9a788 616 }
srigdon3 0:0a900ff9a788 617 lcd_mutex.unlock();
srigdon3 0:0a900ff9a788 618 }
srigdon3 0:0a900ff9a788 619 }
srigdon3 0:0a900ff9a788 620
srigdon3 1:b86030cf57c4 621 //Thread supervising the joystick inputs and moving Pacman accordingly
srigdon3 0:0a900ff9a788 622 void pacMOVE(void const *args)
srigdon3 0:0a900ff9a788 623 {
srigdon3 0:0a900ff9a788 624 while(!win)
srigdon3 0:0a900ff9a788 625 {
srigdon3 0:0a900ff9a788 626 checkMOVE();
rollschild 2:610d5194c64e 627 Thread::wait(1);
srigdon3 0:0a900ff9a788 628 }
srigdon3 0:0a900ff9a788 629 }
srigdon3 0:0a900ff9a788 630
srigdon3 1:b86030cf57c4 631 //Thread controlling the movement of the blue ghost
srigdon3 0:0a900ff9a788 632 void blueGHOST(void const *args)
srigdon3 0:0a900ff9a788 633 {
srigdon3 0:0a900ff9a788 634 while(!win)
srigdon3 0:0a900ff9a788 635 {
srigdon3 0:0a900ff9a788 636 pickMOVE();
srigdon3 0:0a900ff9a788 637 }
srigdon3 0:0a900ff9a788 638 }
srigdon3 0:0a900ff9a788 639
srigdon3 0:0a900ff9a788 640 int main()
srigdon3 0:0a900ff9a788 641 {
rollschild 2:610d5194c64e 642 left_pb.mode(PullUp); // The variable left_pb will be zero when the pushbutton for moving the player left is pressed
rollschild 2:610d5194c64e 643 right_pb.mode(PullUp); // The variable rightt_pb will be zero when the pushbutton for moving the player right is pressed
rollschild 2:610d5194c64e 644 up_pb.mode(PullUp); // the variable fire_pb will be zero when the pushbutton for firing a missile is pressed
rollschild 2:610d5194c64e 645 down_pb.mode(PullUp); // the variable fire_pb will be zero when the pushbutton for firing a missile is pressed
srigdon3 0:0a900ff9a788 646 uLCD.cls();
srigdon3 0:0a900ff9a788 647 uLCD.baudrate(BAUD_3000000);
rollschild 2:610d5194c64e 648 initialize(); // Draw the level setup
rollschild 2:610d5194c64e 649 Thread pm(pacMOVE); // Start the thread for moving Pacman
rollschild 2:610d5194c64e 650 Thread bg(blueGHOST); // Start the thread for moving the blue ghost
srigdon3 0:0a900ff9a788 651
rollschild 2:610d5194c64e 652 Thread::wait(3000000000); // Wait some time before checking the win conditions since it will take around 30 secs to eat all 81 coins
rollschild 2:610d5194c64e 653 while(!win) // Check to see if there was a win once every tenth of a second
srigdon3 0:0a900ff9a788 654 {
srigdon3 0:0a900ff9a788 655 checkWIN();
rollschild 2:610d5194c64e 656 Thread::wait(1);
srigdon3 0:0a900ff9a788 657 }
srigdon3 1:b86030cf57c4 658
rollschild 2:610d5194c64e 659 Thread::wait(500); // Wait .5 second before displaying end message
srigdon3 1:b86030cf57c4 660
rollschild 2:610d5194c64e 661 if(lose) // Print game over message if lose (determined in the follow function)
srigdon3 0:0a900ff9a788 662 {
srigdon3 0:0a900ff9a788 663 uLCD.cls();
srigdon3 0:0a900ff9a788 664 uLCD.printf("Sorry\nGame Over");
srigdon3 0:0a900ff9a788 665 }
srigdon3 0:0a900ff9a788 666 else
srigdon3 0:0a900ff9a788 667 {
srigdon3 0:0a900ff9a788 668 uLCD.cls();
srigdon3 0:0a900ff9a788 669 uLCD.printf("Congratulations!\nYou Won!");
srigdon3 0:0a900ff9a788 670 }
srigdon3 0:0a900ff9a788 671
rollschild 2:610d5194c64e 672
rollschild 2:610d5194c64e 673 while(1){Thread::wait(1);}
srigdon3 0:0a900ff9a788 674 }