Guangchu Shi / Mbed 2 deprecated 4180_Lab4

Mini project

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

main.cpp@0:5cab8e2cf6a9, 2015-10-21 (annotated)

Committer:
rollschild
Date:
Wed Oct 21 18:55:08 2015 +0000
Revision:
0:5cab8e2cf6a9
...

Who changed what in which revision?

UserRevisionLine numberNew contents of line
rollschild 0:5cab8e2cf6a9 1
rollschild 0:5cab8e2cf6a9 2 #include "mbed.h"
rollschild 0:5cab8e2cf6a9 3 #include "rtos.h"
rollschild 0:5cab8e2cf6a9 4 #include "uLCD_4DGL.h"
rollschild 0:5cab8e2cf6a9 5
rollschild 0:5cab8e2cf6a9 6 #define PAC_SIZE 5 //The radius of Pacman and the ghost
rollschild 0:5cab8e2cf6a9 7 #define STEP_SIZE 8 //The number of pixels each character moves at once
rollschild 0:5cab8e2cf6a9 8 #define CLEARANCE 12 //The number of pixels each character checks ahead before moving
rollschild 0:5cab8e2cf6a9 9
rollschild 0:5cab8e2cf6a9 10 DigitalIn left_pb(p21); // push button
rollschild 0:5cab8e2cf6a9 11 DigitalIn right_pb(p22); // push button
rollschild 0:5cab8e2cf6a9 12 DigitalIn up_pb(p23); // push button
rollschild 0:5cab8e2cf6a9 13 DigitalIn down_pb(p24); // push button
rollschild 0:5cab8e2cf6a9 14
rollschild 0:5cab8e2cf6a9 15 /*
rollschild 0:5cab8e2cf6a9 16 AnalogIn jsx(p19); // The joysticks origin is about 1.6V in both directions
rollschild 0:5cab8e2cf6a9 17 AnalogIn jsy(p20); // For just three states in each direction, thresholds .33V and 3V were used
rollschild 0:5cab8e2cf6a9 18 */
rollschild 0:5cab8e2cf6a9 19
rollschild 0:5cab8e2cf6a9 20 uLCD_4DGL uLCD(p28, p27, p29);
rollschild 0:5cab8e2cf6a9 21 Mutex lcd_mutex;
rollschild 0:5cab8e2cf6a9 22
rollschild 0:5cab8e2cf6a9 23 void checkMOVE(void); //This function is defined below. It was written here since other functions return to it that it also calls.
rollschild 0:5cab8e2cf6a9 24
rollschild 0:5cab8e2cf6a9 25 //several variables are used by multiple threads
rollschild 0:5cab8e2cf6a9 26 volatile bool win = false; //True when pacman has eaten all coins
rollschild 0:5cab8e2cf6a9 27 volatile bool lose = false; //True when the position of the ghost and pacman are the same
rollschild 0:5cab8e2cf6a9 28 volatile int x = 64; //x and y are pacman's position. The starting position is defined here.
rollschild 0:5cab8e2cf6a9 29 volatile int y = 88;
rollschild 0:5cab8e2cf6a9 30 volatile int gx1 = 64; //Starting position of the blue ghost
rollschild 0:5cab8e2cf6a9 31 volatile int gy1 = 40;
rollschild 0:5cab8e2cf6a9 32 int i;
rollschild 0:5cab8e2cf6a9 33 bool clearRIGHT, clearLEFT, clearUP, clearDOWN, bgcr, bgcl, bgcu, bgcd;
rollschild 0:5cab8e2cf6a9 34
rollschild 0:5cab8e2cf6a9 35 //An array containing the locations of the 81 coins pacman must eat
rollschild 0:5cab8e2cf6a9 36 int coins[81][2] = {
rollschild 0:5cab8e2cf6a9 37 {40,88},{48,88},{56,88},{72,88},{80,88},{88,88},
rollschild 0:5cab8e2cf6a9 38 {40,40},{48,40},{56,40},{64,40},{72,40},{80,40},{88,40},
rollschild 0:5cab8e2cf6a9 39 {40,48},{40,56},{40,64},{40,72},{40,80},
rollschild 0:5cab8e2cf6a9 40 {88,48},{88,56},{88,64},{88,72},{88,80},
rollschild 0:5cab8e2cf6a9 41 {56,96},{56,104},{56,112},
rollschild 0:5cab8e2cf6a9 42 {48,112},{40,112},{32,112},{24,112},{16,112},
rollschild 0:5cab8e2cf6a9 43 {16,104},{16,96},{16,88},{16,80},{16,72},
rollschild 0:5cab8e2cf6a9 44 {24,64},{32,64},
rollschild 0:5cab8e2cf6a9 45 {16,64},{16,56},{16,48},{16,40},{16,32},{16,24},{16,16},
rollschild 0:5cab8e2cf6a9 46 {24,16},{32,16},{40,16},{48,16},{56,16},
rollschild 0:5cab8e2cf6a9 47 {56,24},{56,32},
rollschild 0:5cab8e2cf6a9 48 {72,96},{72,104},{72,112},
rollschild 0:5cab8e2cf6a9 49 {80,112},{88,112},{96,112},{104,112},{112,112},
rollschild 0:5cab8e2cf6a9 50 {112,104},{112,96},{112,88},{112,80},{112,72},
rollschild 0:5cab8e2cf6a9 51 {104,64},{96,64},
rollschild 0:5cab8e2cf6a9 52 {112,64},{112,56},{112,48},{112,40},{112,32},{112,24},{112,16},
rollschild 0:5cab8e2cf6a9 53 {104,16},{96,16},{88,16},{80,16},{72,16},
rollschild 0:5cab8e2cf6a9 54 {72,24},{72,32}
rollschild 0:5cab8e2cf6a9 55 };
rollschild 0:5cab8e2cf6a9 56
rollschild 0:5cab8e2cf6a9 57 //This function is used in the ghost thread to replace coins as it passes over them
rollschild 0:5cab8e2cf6a9 58 void replaceCOINS(void)
rollschild 0:5cab8e2cf6a9 59 {
rollschild 0:5cab8e2cf6a9 60 for(int n=0; n<81; n++) {
rollschild 0:5cab8e2cf6a9 61 lcd_mutex.lock(); //The coins array is used by both threads
rollschild 0:5cab8e2cf6a9 62 if(gx1 == coins[n][0] && gy1 == coins[n][1]) {
rollschild 0:5cab8e2cf6a9 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
rollschild 0:5cab8e2cf6a9 64 }
rollschild 0:5cab8e2cf6a9 65 lcd_mutex.unlock();
rollschild 0:5cab8e2cf6a9 66 }
rollschild 0:5cab8e2cf6a9 67 }
rollschild 0:5cab8e2cf6a9 68
rollschild 0:5cab8e2cf6a9 69 //Checks if the ghost can move right (there is no boundary immediately to the right)
rollschild 0:5cab8e2cf6a9 70 void BGclearRIGHT(void)
rollschild 0:5cab8e2cf6a9 71 {
rollschild 0:5cab8e2cf6a9 72 bgcr = true;
rollschild 0:5cab8e2cf6a9 73 for(int p=gx1; p <= gx1+CLEARANCE; p++) {
rollschild 0:5cab8e2cf6a9 74 lcd_mutex.lock();
rollschild 0:5cab8e2cf6a9 75 if(uLCD.read_pixel(p,gy1)==uLCD.read_pixel(4,4)) {
rollschild 0:5cab8e2cf6a9 76 bgcr = false; //compare the pixels immediately in front of the ghost to the boundary up to the spec. clearance
rollschild 0:5cab8e2cf6a9 77 } //if they are the same color, determine the ghost can't move right
rollschild 0:5cab8e2cf6a9 78 lcd_mutex.unlock();
rollschild 0:5cab8e2cf6a9 79 }
rollschild 0:5cab8e2cf6a9 80 }
rollschild 0:5cab8e2cf6a9 81
rollschild 0:5cab8e2cf6a9 82 //Checks if ghost can move left
rollschild 0:5cab8e2cf6a9 83 void BGclearLEFT(void)
rollschild 0:5cab8e2cf6a9 84 {
rollschild 0:5cab8e2cf6a9 85 bgcl = true;
rollschild 0:5cab8e2cf6a9 86 for(int p=gx1; p >= gx1-CLEARANCE; p--) {
rollschild 0:5cab8e2cf6a9 87 lcd_mutex.lock();
rollschild 0:5cab8e2cf6a9 88 if(uLCD.read_pixel(p,gy1)==uLCD.read_pixel(4,4)) {
rollschild 0:5cab8e2cf6a9 89 bgcl = false;
rollschild 0:5cab8e2cf6a9 90 }
rollschild 0:5cab8e2cf6a9 91 lcd_mutex.unlock();
rollschild 0:5cab8e2cf6a9 92 }
rollschild 0:5cab8e2cf6a9 93 }
rollschild 0:5cab8e2cf6a9 94
rollschild 0:5cab8e2cf6a9 95 //Checks if ghost can move up
rollschild 0:5cab8e2cf6a9 96 void BGclearUP(void)
rollschild 0:5cab8e2cf6a9 97 {
rollschild 0:5cab8e2cf6a9 98 bgcu = true;
rollschild 0:5cab8e2cf6a9 99 for(int p=gy1; p >= gy1-CLEARANCE; p--) {
rollschild 0:5cab8e2cf6a9 100 lcd_mutex.lock();
rollschild 0:5cab8e2cf6a9 101 if(uLCD.read_pixel(gx1,p)==uLCD.read_pixel(4,4)) {
rollschild 0:5cab8e2cf6a9 102 bgcu = false;
rollschild 0:5cab8e2cf6a9 103 }
rollschild 0:5cab8e2cf6a9 104 lcd_mutex.unlock();
rollschild 0:5cab8e2cf6a9 105 }
rollschild 0:5cab8e2cf6a9 106 }
rollschild 0:5cab8e2cf6a9 107
rollschild 0:5cab8e2cf6a9 108 //Checks if ghost can move down
rollschild 0:5cab8e2cf6a9 109 void BGclearDOWN(void)
rollschild 0:5cab8e2cf6a9 110 {
rollschild 0:5cab8e2cf6a9 111 bgcd = true;
rollschild 0:5cab8e2cf6a9 112 for(int p=gy1; p <= gy1+CLEARANCE; p++) {
rollschild 0:5cab8e2cf6a9 113 lcd_mutex.lock();
rollschild 0:5cab8e2cf6a9 114 if(uLCD.read_pixel(gx1,p)==uLCD.read_pixel(4,4)) {
rollschild 0:5cab8e2cf6a9 115 bgcd = false;
rollschild 0:5cab8e2cf6a9 116 }
rollschild 0:5cab8e2cf6a9 117 lcd_mutex.unlock();
rollschild 0:5cab8e2cf6a9 118 }
rollschild 0:5cab8e2cf6a9 119 }
rollschild 0:5cab8e2cf6a9 120
rollschild 0:5cab8e2cf6a9 121 //Moves the blue ghost to the right
rollschild 0:5cab8e2cf6a9 122 void bgRIGHT(void)
rollschild 0:5cab8e2cf6a9 123 {
rollschild 0:5cab8e2cf6a9 124 Thread::wait(50);
rollschild 0:5cab8e2cf6a9 125 lcd_mutex.lock();
rollschild 0:5cab8e2cf6a9 126 uLCD.filled_rectangle(gx1-PAC_SIZE,gy1-PAC_SIZE,gx1+PAC_SIZE,gy1+PAC_SIZE,BLACK); //erase the previous ghost drawing
rollschild 0:5cab8e2cf6a9 127 lcd_mutex.unlock();
rollschild 0:5cab8e2cf6a9 128 replaceCOINS(); //replace the coin the ghost was just on if there was one
rollschild 0:5cab8e2cf6a9 129 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
rollschild 0:5cab8e2cf6a9 130 gx1 = 0;
rollschild 0:5cab8e2cf6a9 131 }
rollschild 0:5cab8e2cf6a9 132 gx1 = gx1+STEP_SIZE; //Move one step size in the x direction
rollschild 0:5cab8e2cf6a9 133 lcd_mutex.lock();
rollschild 0:5cab8e2cf6a9 134 //redraw the ghost at the new position
rollschild 0:5cab8e2cf6a9 135 uLCD.filled_circle(gx1,gy1,PAC_SIZE,BLUE);
rollschild 0:5cab8e2cf6a9 136 uLCD.filled_rectangle(gx1-PAC_SIZE,gy1,gx1+PAC_SIZE,gy1+PAC_SIZE,BLUE);
rollschild 0:5cab8e2cf6a9 137 uLCD.filled_circle(gx1+2,gy1-2,1,BLACK);
rollschild 0:5cab8e2cf6a9 138 uLCD.filled_circle(gx1-2,gy1-2,1,BLACK);
rollschild 0:5cab8e2cf6a9 139 lcd_mutex.unlock();
rollschild 0:5cab8e2cf6a9 140 }
rollschild 0:5cab8e2cf6a9 141
rollschild 0:5cab8e2cf6a9 142 //Moves the blue ghost left
rollschild 0:5cab8e2cf6a9 143 void bgLEFT(void)
rollschild 0:5cab8e2cf6a9 144 {
rollschild 0:5cab8e2cf6a9 145 Thread::wait(50);
rollschild 0:5cab8e2cf6a9 146 lcd_mutex.lock();
rollschild 0:5cab8e2cf6a9 147 uLCD.filled_rectangle(gx1-PAC_SIZE,gy1-PAC_SIZE,gx1+PAC_SIZE,gy1+PAC_SIZE,BLACK);
rollschild 0:5cab8e2cf6a9 148 lcd_mutex.unlock();
rollschild 0:5cab8e2cf6a9 149 replaceCOINS();
rollschild 0:5cab8e2cf6a9 150 if(gx1<4) {
rollschild 0:5cab8e2cf6a9 151 gx1 = 124;
rollschild 0:5cab8e2cf6a9 152 }
rollschild 0:5cab8e2cf6a9 153 gx1 = gx1-STEP_SIZE;
rollschild 0:5cab8e2cf6a9 154 lcd_mutex.lock();
rollschild 0:5cab8e2cf6a9 155 uLCD.filled_circle(gx1,gy1,PAC_SIZE,BLUE);
rollschild 0:5cab8e2cf6a9 156 uLCD.filled_rectangle(gx1-PAC_SIZE,gy1,gx1+PAC_SIZE,gy1+PAC_SIZE,BLUE);
rollschild 0:5cab8e2cf6a9 157 uLCD.filled_circle(gx1+2,gy1-2,1,BLACK);
rollschild 0:5cab8e2cf6a9 158 uLCD.filled_circle(gx1-2,gy1-2,1,BLACK);
rollschild 0:5cab8e2cf6a9 159 lcd_mutex.unlock();
rollschild 0:5cab8e2cf6a9 160 }
rollschild 0:5cab8e2cf6a9 161
rollschild 0:5cab8e2cf6a9 162 //Moves the blue ghost up
rollschild 0:5cab8e2cf6a9 163 void bgUP(void)
rollschild 0:5cab8e2cf6a9 164 {
rollschild 0:5cab8e2cf6a9 165 Thread::wait(50);
rollschild 0:5cab8e2cf6a9 166 lcd_mutex.lock();
rollschild 0:5cab8e2cf6a9 167 uLCD.filled_rectangle(gx1-PAC_SIZE,gy1-PAC_SIZE,gx1+PAC_SIZE,gy1+PAC_SIZE,BLACK);
rollschild 0:5cab8e2cf6a9 168 lcd_mutex.unlock();
rollschild 0:5cab8e2cf6a9 169 replaceCOINS();
rollschild 0:5cab8e2cf6a9 170 if(gy1<4) {
rollschild 0:5cab8e2cf6a9 171 gy1 = 124;
rollschild 0:5cab8e2cf6a9 172 }
rollschild 0:5cab8e2cf6a9 173 gy1 = gy1-STEP_SIZE;
rollschild 0:5cab8e2cf6a9 174 lcd_mutex.lock();
rollschild 0:5cab8e2cf6a9 175 uLCD.filled_circle(gx1,gy1,PAC_SIZE,BLUE);
rollschild 0:5cab8e2cf6a9 176 uLCD.filled_rectangle(gx1-PAC_SIZE,gy1,gx1+PAC_SIZE,gy1+PAC_SIZE,BLUE);
rollschild 0:5cab8e2cf6a9 177 uLCD.filled_circle(gx1+2,gy1-2,1,BLACK);
rollschild 0:5cab8e2cf6a9 178 uLCD.filled_circle(gx1-2,gy1-2,1,BLACK);
rollschild 0:5cab8e2cf6a9 179 lcd_mutex.unlock();
rollschild 0:5cab8e2cf6a9 180 }
rollschild 0:5cab8e2cf6a9 181
rollschild 0:5cab8e2cf6a9 182 //Moves the blue ghost down
rollschild 0:5cab8e2cf6a9 183 void bgDOWN(void)
rollschild 0:5cab8e2cf6a9 184 {
rollschild 0:5cab8e2cf6a9 185 Thread::wait(50);
rollschild 0:5cab8e2cf6a9 186 lcd_mutex.lock();
rollschild 0:5cab8e2cf6a9 187 uLCD.filled_rectangle(gx1-PAC_SIZE,gy1-PAC_SIZE,gx1+PAC_SIZE,gy1+PAC_SIZE,BLACK);
rollschild 0:5cab8e2cf6a9 188 lcd_mutex.unlock();
rollschild 0:5cab8e2cf6a9 189 replaceCOINS();
rollschild 0:5cab8e2cf6a9 190 if(gy1>124) {
rollschild 0:5cab8e2cf6a9 191 gy1 = 0;
rollschild 0:5cab8e2cf6a9 192 }
rollschild 0:5cab8e2cf6a9 193 gy1 = gy1+STEP_SIZE;
rollschild 0:5cab8e2cf6a9 194 lcd_mutex.lock();
rollschild 0:5cab8e2cf6a9 195 uLCD.filled_circle(gx1,gy1,PAC_SIZE,BLUE);
rollschild 0:5cab8e2cf6a9 196 uLCD.filled_rectangle(gx1-PAC_SIZE,gy1,gx1+PAC_SIZE,gy1+PAC_SIZE,BLUE);
rollschild 0:5cab8e2cf6a9 197 uLCD.filled_circle(gx1+2,gy1-2,1,BLACK);
rollschild 0:5cab8e2cf6a9 198 uLCD.filled_circle(gx1-2,gy1-2,1,BLACK);
rollschild 0:5cab8e2cf6a9 199 lcd_mutex.unlock();
rollschild 0:5cab8e2cf6a9 200 }
rollschild 0:5cab8e2cf6a9 201
rollschild 0:5cab8e2cf6a9 202 //Force ghost to chase Pacman
rollschild 0:5cab8e2cf6a9 203 void follow(void)
rollschild 0:5cab8e2cf6a9 204 {
rollschild 0:5cab8e2cf6a9 205 if(x==gx1 && y==gy1) { //if the ghost and Pacman are at the same position trigger losing condition
rollschild 0:5cab8e2cf6a9 206 win = true; //This is set to true just to exit the check for a win loop and terminate other loops without writing additional conditions
rollschild 0:5cab8e2cf6a9 207 lose = true;
rollschild 0:5cab8e2cf6a9 208 // return void();
rollschild 0:5cab8e2cf6a9 209 }
rollschild 0:5cab8e2cf6a9 210 while(x==gx1 && gy1<y && !win) { //If the ghost is directly above Pacman check to see if moving down is possible, then move down
rollschild 0:5cab8e2cf6a9 211 BGclearDOWN();
rollschild 0:5cab8e2cf6a9 212 bgDOWN();
rollschild 0:5cab8e2cf6a9 213 }
rollschild 0:5cab8e2cf6a9 214 while(x==gx1 && gy1>y && !win) {
rollschild 0:5cab8e2cf6a9 215 BGclearUP();
rollschild 0:5cab8e2cf6a9 216 bgUP();
rollschild 0:5cab8e2cf6a9 217 }
rollschild 0:5cab8e2cf6a9 218 while(y==gy1 && gx1<x && !win) {
rollschild 0:5cab8e2cf6a9 219 BGclearRIGHT();
rollschild 0:5cab8e2cf6a9 220 bgRIGHT();
rollschild 0:5cab8e2cf6a9 221 }
rollschild 0:5cab8e2cf6a9 222 while(y==gy1 && gx1>x && !win) {
rollschild 0:5cab8e2cf6a9 223 BGclearLEFT();
rollschild 0:5cab8e2cf6a9 224 bgLEFT();
rollschild 0:5cab8e2cf6a9 225 }
rollschild 0:5cab8e2cf6a9 226 }
rollschild 0:5cab8e2cf6a9 227
rollschild 0:5cab8e2cf6a9 228 //Ghost selects a direction to move
rollschild 0:5cab8e2cf6a9 229 void pickMOVE(void)
rollschild 0:5cab8e2cf6a9 230 {
rollschild 0:5cab8e2cf6a9 231 while((gx1==x || gy1==y) && abs(x-gx1)+abs(y-gy1)<=16 && !win) { //If Pacman is close by give chase
rollschild 0:5cab8e2cf6a9 232 follow();
rollschild 0:5cab8e2cf6a9 233 }
rollschild 0:5cab8e2cf6a9 234 int dec = rand()%4; //randomly generate a number from the set 0,1,2,3, which serves as the direction decision
rollschild 0:5cab8e2cf6a9 235 if(dec == 0) {
rollschild 0:5cab8e2cf6a9 236 BGclearRIGHT();
rollschild 0:5cab8e2cf6a9 237 while(bgcr && !win) { //If decision 0 was reached, check to the the move right until a boundary is reached
rollschild 0:5cab8e2cf6a9 238 bgRIGHT();
rollschild 0:5cab8e2cf6a9 239 BGclearRIGHT();
rollschild 0:5cab8e2cf6a9 240 }
rollschild 0:5cab8e2cf6a9 241 } else if(dec == 1) {
rollschild 0:5cab8e2cf6a9 242 BGclearLEFT();
rollschild 0:5cab8e2cf6a9 243 while(bgcl && !win) {
rollschild 0:5cab8e2cf6a9 244 bgLEFT();
rollschild 0:5cab8e2cf6a9 245 BGclearLEFT();
rollschild 0:5cab8e2cf6a9 246 }
rollschild 0:5cab8e2cf6a9 247 } else if(dec == 2) {
rollschild 0:5cab8e2cf6a9 248 BGclearUP();
rollschild 0:5cab8e2cf6a9 249 while(bgcu && !win) {
rollschild 0:5cab8e2cf6a9 250 bgUP();
rollschild 0:5cab8e2cf6a9 251 BGclearUP();
rollschild 0:5cab8e2cf6a9 252 }
rollschild 0:5cab8e2cf6a9 253 } else {
rollschild 0:5cab8e2cf6a9 254 BGclearDOWN();
rollschild 0:5cab8e2cf6a9 255 while(bgcd && !win) {
rollschild 0:5cab8e2cf6a9 256 bgDOWN();
rollschild 0:5cab8e2cf6a9 257 BGclearDOWN();
rollschild 0:5cab8e2cf6a9 258 }
rollschild 0:5cab8e2cf6a9 259 }
rollschild 0:5cab8e2cf6a9 260 }
rollschild 0:5cab8e2cf6a9 261
rollschild 0:5cab8e2cf6a9 262 //Check if Pacman can move one step size to the right (Essentially the same as checking for the ghost)
rollschild 0:5cab8e2cf6a9 263 void CHECKclearRIGHT(void)
rollschild 0:5cab8e2cf6a9 264 {
rollschild 0:5cab8e2cf6a9 265 clearRIGHT = true;
rollschild 0:5cab8e2cf6a9 266 for(i=x; i <= x+CLEARANCE; i++) {
rollschild 0:5cab8e2cf6a9 267 lcd_mutex.lock();
rollschild 0:5cab8e2cf6a9 268 if(uLCD.read_pixel(i,y)==uLCD.read_pixel(4,4)) {
rollschild 0:5cab8e2cf6a9 269 clearRIGHT = false;
rollschild 0:5cab8e2cf6a9 270 }
rollschild 0:5cab8e2cf6a9 271 lcd_mutex.unlock();
rollschild 0:5cab8e2cf6a9 272 }
rollschild 0:5cab8e2cf6a9 273 }
rollschild 0:5cab8e2cf6a9 274
rollschild 0:5cab8e2cf6a9 275 //Check if Pacman can move left
rollschild 0:5cab8e2cf6a9 276 void CHECKclearLEFT(void)
rollschild 0:5cab8e2cf6a9 277 {
rollschild 0:5cab8e2cf6a9 278 clearLEFT = true;
rollschild 0:5cab8e2cf6a9 279 for(i=x; i >= x-CLEARANCE; i--) {
rollschild 0:5cab8e2cf6a9 280 lcd_mutex.lock();
rollschild 0:5cab8e2cf6a9 281 if(uLCD.read_pixel(i,y)==uLCD.read_pixel(4,4)) {
rollschild 0:5cab8e2cf6a9 282 clearLEFT = false;
rollschild 0:5cab8e2cf6a9 283 }
rollschild 0:5cab8e2cf6a9 284 lcd_mutex.unlock();
rollschild 0:5cab8e2cf6a9 285 }
rollschild 0:5cab8e2cf6a9 286 }
rollschild 0:5cab8e2cf6a9 287
rollschild 0:5cab8e2cf6a9 288 //Check if Pacman can move up
rollschild 0:5cab8e2cf6a9 289 void CHECKclearUP(void)
rollschild 0:5cab8e2cf6a9 290 {
rollschild 0:5cab8e2cf6a9 291 clearUP = true;
rollschild 0:5cab8e2cf6a9 292 for(i=y; i >= y-CLEARANCE; i--) {
rollschild 0:5cab8e2cf6a9 293 lcd_mutex.lock();
rollschild 0:5cab8e2cf6a9 294 if(uLCD.read_pixel(x,i)==uLCD.read_pixel(4,4)) {
rollschild 0:5cab8e2cf6a9 295 clearUP = false;
rollschild 0:5cab8e2cf6a9 296 }
rollschild 0:5cab8e2cf6a9 297 lcd_mutex.unlock();
rollschild 0:5cab8e2cf6a9 298 }
rollschild 0:5cab8e2cf6a9 299 }
rollschild 0:5cab8e2cf6a9 300
rollschild 0:5cab8e2cf6a9 301 //Check if Pacman can move down
rollschild 0:5cab8e2cf6a9 302 void CHECKclearDOWN(void)
rollschild 0:5cab8e2cf6a9 303 {
rollschild 0:5cab8e2cf6a9 304 clearDOWN = true;
rollschild 0:5cab8e2cf6a9 305 for(i=y; i <= y+CLEARANCE; i++) {
rollschild 0:5cab8e2cf6a9 306 lcd_mutex.lock();
rollschild 0:5cab8e2cf6a9 307 if(uLCD.read_pixel(x,i)==uLCD.read_pixel(4,4)) {
rollschild 0:5cab8e2cf6a9 308 clearDOWN = false;
rollschild 0:5cab8e2cf6a9 309 }
rollschild 0:5cab8e2cf6a9 310 lcd_mutex.unlock();
rollschild 0:5cab8e2cf6a9 311 }
rollschild 0:5cab8e2cf6a9 312 }
rollschild 0:5cab8e2cf6a9 313
rollschild 0:5cab8e2cf6a9 314 //This function tracks the coin Pacman eats as he passes over it
rollschild 0:5cab8e2cf6a9 315 void changeCOINS(void)
rollschild 0:5cab8e2cf6a9 316 {
rollschild 0:5cab8e2cf6a9 317 for(int m=0; m<81; m++) {
rollschild 0:5cab8e2cf6a9 318 lcd_mutex.lock();
rollschild 0:5cab8e2cf6a9 319 if(x == coins[m][0] && y == coins[m][1]) { //Compare Pacman's position to the set of coins
rollschild 0:5cab8e2cf6a9 320 coins[m][0]=64; //If there is a match, change that coins location to the center of the board where Pacman
rollschild 0:5cab8e2cf6a9 321 coins[m][1]=64; //cannot go, but do not draw the coin
rollschild 0:5cab8e2cf6a9 322 }
rollschild 0:5cab8e2cf6a9 323 lcd_mutex.unlock();
rollschild 0:5cab8e2cf6a9 324 }
rollschild 0:5cab8e2cf6a9 325 }
rollschild 0:5cab8e2cf6a9 326
rollschild 0:5cab8e2cf6a9 327 //Move Pacman one step size to the right
rollschild 0:5cab8e2cf6a9 328 void PACmoveRIGHT(void)
rollschild 0:5cab8e2cf6a9 329 {
rollschild 0:5cab8e2cf6a9 330 while(clearRIGHT && !win) { //Not win indicates the game has not ended
rollschild 0:5cab8e2cf6a9 331 lcd_mutex.lock();
rollschild 0:5cab8e2cf6a9 332 uLCD.filled_circle(x,y,PAC_SIZE,BLACK); //Erase Pacman at his last location
rollschild 0:5cab8e2cf6a9 333 lcd_mutex.unlock();
rollschild 0:5cab8e2cf6a9 334 if(x>124) { //wrap around if moving off the board
rollschild 0:5cab8e2cf6a9 335 x = 0;
rollschild 0:5cab8e2cf6a9 336 }
rollschild 0:5cab8e2cf6a9 337 x = x + STEP_SIZE; //move Pacman one step size to the right
rollschild 0:5cab8e2cf6a9 338 changeCOINS(); //Track the coin that was eaten at the last location
rollschild 0:5cab8e2cf6a9 339
rollschild 0:5cab8e2cf6a9 340 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.
rollschild 0:5cab8e2cf6a9 341 lcd_mutex.lock();
rollschild 0:5cab8e2cf6a9 342 uLCD.filled_circle(x,y,PAC_SIZE,0xFFFF00);
rollschild 0:5cab8e2cf6a9 343 uLCD.filled_rectangle(x+2,y-2,x+PAC_SIZE,y+2,BLACK);
rollschild 0:5cab8e2cf6a9 344 lcd_mutex.unlock();
rollschild 0:5cab8e2cf6a9 345 } else {
rollschild 0:5cab8e2cf6a9 346 lcd_mutex.lock();
rollschild 0:5cab8e2cf6a9 347 uLCD.filled_circle(x,y,PAC_SIZE,0xFFFF00);
rollschild 0:5cab8e2cf6a9 348 uLCD.filled_rectangle(x+2,y,x+PAC_SIZE,y+1,BLACK);
rollschild 0:5cab8e2cf6a9 349 lcd_mutex.unlock();
rollschild 0:5cab8e2cf6a9 350 }
rollschild 0:5cab8e2cf6a9 351 /*if(jsx <= .9) //If the user is still holding the joystick to the right, remain in this loop
rollschild 0:5cab8e2cf6a9 352 {
rollschild 0:5cab8e2cf6a9 353 checkMOVE();
rollschild 0:5cab8e2cf6a9 354 }*/
rollschild 0:5cab8e2cf6a9 355 CHECKclearRIGHT(); //If the user remains in the loop, check for a boundary to the right
rollschild 0:5cab8e2cf6a9 356 Thread::wait(10);
rollschild 0:5cab8e2cf6a9 357 }
rollschild 0:5cab8e2cf6a9 358 }
rollschild 0:5cab8e2cf6a9 359
rollschild 0:5cab8e2cf6a9 360 //Move Pacman left
rollschild 0:5cab8e2cf6a9 361 void PACmoveLEFT(void)
rollschild 0:5cab8e2cf6a9 362 {
rollschild 0:5cab8e2cf6a9 363 while(clearLEFT && !win) {
rollschild 0:5cab8e2cf6a9 364 lcd_mutex.lock();
rollschild 0:5cab8e2cf6a9 365 uLCD.filled_circle(x,y,PAC_SIZE,BLACK);
rollschild 0:5cab8e2cf6a9 366 lcd_mutex.unlock();
rollschild 0:5cab8e2cf6a9 367 if(x<4) {
rollschild 0:5cab8e2cf6a9 368 x = 128;
rollschild 0:5cab8e2cf6a9 369 }
rollschild 0:5cab8e2cf6a9 370 x = x-STEP_SIZE;
rollschild 0:5cab8e2cf6a9 371 changeCOINS();
rollschild 0:5cab8e2cf6a9 372 if(x%(2*STEP_SIZE) == 0) {
rollschild 0:5cab8e2cf6a9 373 lcd_mutex.lock();
rollschild 0:5cab8e2cf6a9 374 uLCD.filled_circle(x,y,PAC_SIZE,0xFFFF00);
rollschild 0:5cab8e2cf6a9 375 uLCD.filled_rectangle(x-2,y-2,x-PAC_SIZE,y+2,BLACK);
rollschild 0:5cab8e2cf6a9 376 lcd_mutex.unlock();
rollschild 0:5cab8e2cf6a9 377 } else {
rollschild 0:5cab8e2cf6a9 378 lcd_mutex.lock();
rollschild 0:5cab8e2cf6a9 379 uLCD.filled_circle(x,y,PAC_SIZE,0xFFFF00);
rollschild 0:5cab8e2cf6a9 380 uLCD.filled_rectangle(x-2,y,x-PAC_SIZE,y+1,BLACK);
rollschild 0:5cab8e2cf6a9 381 lcd_mutex.unlock();
rollschild 0:5cab8e2cf6a9 382 }
rollschild 0:5cab8e2cf6a9 383 /*if(jsx >= .1)
rollschild 0:5cab8e2cf6a9 384 {
rollschild 0:5cab8e2cf6a9 385 checkMOVE();
rollschild 0:5cab8e2cf6a9 386 }*/
rollschild 0:5cab8e2cf6a9 387 CHECKclearLEFT();
rollschild 0:5cab8e2cf6a9 388 Thread::wait(10);
rollschild 0:5cab8e2cf6a9 389 }
rollschild 0:5cab8e2cf6a9 390 }
rollschild 0:5cab8e2cf6a9 391
rollschild 0:5cab8e2cf6a9 392 //Move Pacman up
rollschild 0:5cab8e2cf6a9 393 void PACmoveUP(void)
rollschild 0:5cab8e2cf6a9 394 {
rollschild 0:5cab8e2cf6a9 395 while(clearUP && !win) {
rollschild 0:5cab8e2cf6a9 396 lcd_mutex.lock();
rollschild 0:5cab8e2cf6a9 397 uLCD.filled_circle(x,y,PAC_SIZE,BLACK);
rollschild 0:5cab8e2cf6a9 398 lcd_mutex.unlock();
rollschild 0:5cab8e2cf6a9 399 if(y<4) {
rollschild 0:5cab8e2cf6a9 400 y = 128;
rollschild 0:5cab8e2cf6a9 401 }
rollschild 0:5cab8e2cf6a9 402 y = y-STEP_SIZE;
rollschild 0:5cab8e2cf6a9 403 changeCOINS();
rollschild 0:5cab8e2cf6a9 404 if(y%(2*STEP_SIZE) == 0) {
rollschild 0:5cab8e2cf6a9 405 lcd_mutex.lock();
rollschild 0:5cab8e2cf6a9 406 uLCD.filled_circle(x,y,PAC_SIZE,0xFFFF00);
rollschild 0:5cab8e2cf6a9 407 uLCD.filled_rectangle(x-2,y-2,x+2,y-PAC_SIZE,BLACK);
rollschild 0:5cab8e2cf6a9 408 lcd_mutex.unlock();
rollschild 0:5cab8e2cf6a9 409 } else {
rollschild 0:5cab8e2cf6a9 410 lcd_mutex.lock();
rollschild 0:5cab8e2cf6a9 411 uLCD.filled_circle(x,y,PAC_SIZE,0xFFFF00);
rollschild 0:5cab8e2cf6a9 412 uLCD.filled_rectangle(x,y-2,x+1,y-PAC_SIZE,BLACK);
rollschild 0:5cab8e2cf6a9 413 lcd_mutex.unlock();
rollschild 0:5cab8e2cf6a9 414 }
rollschild 0:5cab8e2cf6a9 415 CHECKclearUP();
rollschild 0:5cab8e2cf6a9 416 Thread::wait(10);
rollschild 0:5cab8e2cf6a9 417 }
rollschild 0:5cab8e2cf6a9 418 }
rollschild 0:5cab8e2cf6a9 419
rollschild 0:5cab8e2cf6a9 420 //Move Pacman down
rollschild 0:5cab8e2cf6a9 421 void PACmoveDOWN(void)
rollschild 0:5cab8e2cf6a9 422 {
rollschild 0:5cab8e2cf6a9 423 while(clearDOWN && !win) {
rollschild 0:5cab8e2cf6a9 424 lcd_mutex.lock();
rollschild 0:5cab8e2cf6a9 425 uLCD.filled_circle(x,y,PAC_SIZE,BLACK);
rollschild 0:5cab8e2cf6a9 426 lcd_mutex.unlock();
rollschild 0:5cab8e2cf6a9 427 if(y>124) {
rollschild 0:5cab8e2cf6a9 428 y = 0;
rollschild 0:5cab8e2cf6a9 429 }
rollschild 0:5cab8e2cf6a9 430 y = y+STEP_SIZE;
rollschild 0:5cab8e2cf6a9 431 changeCOINS();
rollschild 0:5cab8e2cf6a9 432 if(y%(2*STEP_SIZE) == 0) {
rollschild 0:5cab8e2cf6a9 433 lcd_mutex.lock();
rollschild 0:5cab8e2cf6a9 434 uLCD.filled_circle(x,y,PAC_SIZE,0xFFFF00);
rollschild 0:5cab8e2cf6a9 435 uLCD.filled_rectangle(x-2,y+2,x+2,y+PAC_SIZE,BLACK);
rollschild 0:5cab8e2cf6a9 436 lcd_mutex.unlock();
rollschild 0:5cab8e2cf6a9 437 } else {
rollschild 0:5cab8e2cf6a9 438 lcd_mutex.lock();
rollschild 0:5cab8e2cf6a9 439 uLCD.filled_circle(x,y,PAC_SIZE,0xFFFF00);
rollschild 0:5cab8e2cf6a9 440 uLCD.filled_rectangle(x,y+2,x+1,y+PAC_SIZE,BLACK);
rollschild 0:5cab8e2cf6a9 441 lcd_mutex.unlock();
rollschild 0:5cab8e2cf6a9 442 }
rollschild 0:5cab8e2cf6a9 443 /*if(jsy >= .1)
rollschild 0:5cab8e2cf6a9 444 {
rollschild 0:5cab8e2cf6a9 445 checkMOVE();
rollschild 0:5cab8e2cf6a9 446 }*/
rollschild 0:5cab8e2cf6a9 447 CHECKclearDOWN();
rollschild 0:5cab8e2cf6a9 448 Thread::wait(10);
rollschild 0:5cab8e2cf6a9 449 }
rollschild 0:5cab8e2cf6a9 450 }
rollschild 0:5cab8e2cf6a9 451
rollschild 0:5cab8e2cf6a9 452 //Read the input from the joystick and select a direction to move
rollschild 0:5cab8e2cf6a9 453 //The thresholds are set near the end of their ranges to eliminate unintentional moves as much as possible
rollschild 0:5cab8e2cf6a9 454 void checkMOVE(void)
rollschild 0:5cab8e2cf6a9 455 {
rollschild 0:5cab8e2cf6a9 456 if(right_pb) {
rollschild 0:5cab8e2cf6a9 457 CHECKclearRIGHT();
rollschild 0:5cab8e2cf6a9 458 PACmoveRIGHT();
rollschild 0:5cab8e2cf6a9 459 } else if(left_pb) {
rollschild 0:5cab8e2cf6a9 460 CHECKclearLEFT();
rollschild 0:5cab8e2cf6a9 461 PACmoveLEFT();
rollschild 0:5cab8e2cf6a9 462 } else if(up_pb){
rollschild 0:5cab8e2cf6a9 463 CHECKclearUP();
rollschild 0:5cab8e2cf6a9 464 PACmoveUP();
rollschild 0:5cab8e2cf6a9 465 } else if(down_pb){
rollschild 0:5cab8e2cf6a9 466 CHECKclearDOWN();
rollschild 0:5cab8e2cf6a9 467 PACmoveDOWN();
rollschild 0:5cab8e2cf6a9 468 }
rollschild 0:5cab8e2cf6a9 469 else {}
rollschild 0:5cab8e2cf6a9 470 }
rollschild 0:5cab8e2cf6a9 471
rollschild 0:5cab8e2cf6a9 472 //Draw the boudaries for the game using the uLCD graphics commands
rollschild 0:5cab8e2cf6a9 473 void drawBORDERS(void)
rollschild 0:5cab8e2cf6a9 474 {
rollschild 0:5cab8e2cf6a9 475 //Outer Border
rollschild 0:5cab8e2cf6a9 476 uLCD.rectangle(4,4,124,124,RED);
rollschild 0:5cab8e2cf6a9 477 uLCD.line(8,8,8,120,RED);
rollschild 0:5cab8e2cf6a9 478 uLCD.line(8,8,62,8,RED);
rollschild 0:5cab8e2cf6a9 479 uLCD.line(62,8,62,32,RED);
rollschild 0:5cab8e2cf6a9 480 uLCD.line(62,32,66,32,RED);
rollschild 0:5cab8e2cf6a9 481 uLCD.line(66,32,66,8,RED);
rollschild 0:5cab8e2cf6a9 482 uLCD.line(66,8,120,8,RED);
rollschild 0:5cab8e2cf6a9 483 uLCD.line(120,8,120,120,RED);
rollschild 0:5cab8e2cf6a9 484 uLCD.line(120,120,66,120,RED);
rollschild 0:5cab8e2cf6a9 485 uLCD.line(66,120,66,96,RED);
rollschild 0:5cab8e2cf6a9 486 uLCD.line(66,96,62,96,RED);
rollschild 0:5cab8e2cf6a9 487 uLCD.line(62,96,62,120,RED);
rollschild 0:5cab8e2cf6a9 488 uLCD.line(62,120,8,120,RED);
rollschild 0:5cab8e2cf6a9 489 //Inner Rectangle
rollschild 0:5cab8e2cf6a9 490 uLCD.rectangle(52,52,76,76,RED);
rollschild 0:5cab8e2cf6a9 491 uLCD.rectangle(48,48,80,80,RED);
rollschild 0:5cab8e2cf6a9 492 //Upper Left Corner
rollschild 0:5cab8e2cf6a9 493 uLCD.line(48,24,24,24,RED);
rollschild 0:5cab8e2cf6a9 494 uLCD.line(24,24,24,56,RED);
rollschild 0:5cab8e2cf6a9 495 uLCD.line(24,56,32,56,RED);
rollschild 0:5cab8e2cf6a9 496 uLCD.line(32,56,32,32,RED);
rollschild 0:5cab8e2cf6a9 497 uLCD.line(32,32,48,32,RED);
rollschild 0:5cab8e2cf6a9 498 uLCD.line(48,32,48,24,RED);
rollschild 0:5cab8e2cf6a9 499 //Upper Right Corner
rollschild 0:5cab8e2cf6a9 500 uLCD.line(80,24,104,24,RED);
rollschild 0:5cab8e2cf6a9 501 uLCD.line(104,24,104,56,RED);
rollschild 0:5cab8e2cf6a9 502 uLCD.line(104,56,96,56,RED);
rollschild 0:5cab8e2cf6a9 503 uLCD.line(96,56,96,32,RED);
rollschild 0:5cab8e2cf6a9 504 uLCD.line(96,32,80,32,RED);
rollschild 0:5cab8e2cf6a9 505 uLCD.line(80,32,80,24,RED);
rollschild 0:5cab8e2cf6a9 506 //Lower Left Corner
rollschild 0:5cab8e2cf6a9 507 uLCD.line(48,104,24,104,RED);
rollschild 0:5cab8e2cf6a9 508 uLCD.line(24,104,24,72,RED);
rollschild 0:5cab8e2cf6a9 509 uLCD.line(24,72,32,72,RED);
rollschild 0:5cab8e2cf6a9 510 uLCD.line(32,72,32,96,RED);
rollschild 0:5cab8e2cf6a9 511 uLCD.line(32,96,48,96,RED);
rollschild 0:5cab8e2cf6a9 512 uLCD.line(48,96,48,104,RED);
rollschild 0:5cab8e2cf6a9 513 //Lower Right Corner
rollschild 0:5cab8e2cf6a9 514 uLCD.line(80,104,104,104,RED);
rollschild 0:5cab8e2cf6a9 515 uLCD.line(104,104,104,72,RED);
rollschild 0:5cab8e2cf6a9 516 uLCD.line(104,72,96,72,RED);
rollschild 0:5cab8e2cf6a9 517 uLCD.line(96,72,96,96,RED);
rollschild 0:5cab8e2cf6a9 518 uLCD.line(96,96,80,96,RED);
rollschild 0:5cab8e2cf6a9 519 uLCD.line(80,96,80,104,RED);
rollschild 0:5cab8e2cf6a9 520 }
rollschild 0:5cab8e2cf6a9 521
rollschild 0:5cab8e2cf6a9 522 void placeCOINS(void)
rollschild 0:5cab8e2cf6a9 523 {
rollschild 0:5cab8e2cf6a9 524 for(int j=0; j<81; j++) {
rollschild 0:5cab8e2cf6a9 525 uLCD.filled_circle(coins[j][0],coins[j][1],1,0xFFFF00); //Draw the coins in their initial locations
rollschild 0:5cab8e2cf6a9 526 }
rollschild 0:5cab8e2cf6a9 527 }
rollschild 0:5cab8e2cf6a9 528
rollschild 0:5cab8e2cf6a9 529 //Draw all the initial states of the game
rollschild 0:5cab8e2cf6a9 530 void initialize(void)
rollschild 0:5cab8e2cf6a9 531 {
rollschild 0:5cab8e2cf6a9 532 drawBORDERS();
rollschild 0:5cab8e2cf6a9 533 placeCOINS();
rollschild 0:5cab8e2cf6a9 534 uLCD.filled_circle(x,y,PAC_SIZE,0xFFFF00);
rollschild 0:5cab8e2cf6a9 535 uLCD.filled_rectangle(x-2,y-2,x-PAC_SIZE,y+2,BLACK);
rollschild 0:5cab8e2cf6a9 536 }
rollschild 0:5cab8e2cf6a9 537
rollschild 0:5cab8e2cf6a9 538 //Check to see if all the coins have been eaten
rollschild 0:5cab8e2cf6a9 539 void checkWIN(void)
rollschild 0:5cab8e2cf6a9 540 {
rollschild 0:5cab8e2cf6a9 541 win = true;
rollschild 0:5cab8e2cf6a9 542 for(int k=0; k<81; k++) {
rollschild 0:5cab8e2cf6a9 543 lcd_mutex.lock();
rollschild 0:5cab8e2cf6a9 544 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
rollschild 0:5cab8e2cf6a9 545 win = false;
rollschild 0:5cab8e2cf6a9 546 }
rollschild 0:5cab8e2cf6a9 547 lcd_mutex.unlock();
rollschild 0:5cab8e2cf6a9 548 }
rollschild 0:5cab8e2cf6a9 549 }
rollschild 0:5cab8e2cf6a9 550
rollschild 0:5cab8e2cf6a9 551 //Thread supervising the joystick inputs and moving Pacman accordingly
rollschild 0:5cab8e2cf6a9 552 void pacMOVE(void const *args)
rollschild 0:5cab8e2cf6a9 553 {
rollschild 0:5cab8e2cf6a9 554 while(!win) {
rollschild 0:5cab8e2cf6a9 555 checkMOVE();
rollschild 0:5cab8e2cf6a9 556 Thread::wait(10);
rollschild 0:5cab8e2cf6a9 557 }
rollschild 0:5cab8e2cf6a9 558 }
rollschild 0:5cab8e2cf6a9 559
rollschild 0:5cab8e2cf6a9 560 //Thread controlling the movement of the blue ghost
rollschild 0:5cab8e2cf6a9 561 void blueGHOST(void const *args)
rollschild 0:5cab8e2cf6a9 562 {
rollschild 0:5cab8e2cf6a9 563 while(!win) {
rollschild 0:5cab8e2cf6a9 564 pickMOVE();
rollschild 0:5cab8e2cf6a9 565 }
rollschild 0:5cab8e2cf6a9 566 }
rollschild 0:5cab8e2cf6a9 567
rollschild 0:5cab8e2cf6a9 568 int main()
rollschild 0:5cab8e2cf6a9 569 {
rollschild 0:5cab8e2cf6a9 570 uLCD.cls();
rollschild 0:5cab8e2cf6a9 571 uLCD.baudrate(9600);
rollschild 0:5cab8e2cf6a9 572 left_pb.mode(PullUp); // The variable left_pb will be zero when the pushbutton for moving the player left is pressed
rollschild 0:5cab8e2cf6a9 573 right_pb.mode(PullUp); // The variable rightt_pb will be zero when the pushbutton for moving the player right is pressed
rollschild 0:5cab8e2cf6a9 574 up_pb.mode(PullUp); //the variable fire_pb will be zero when the pushbutton for firing a missile is pressed
rollschild 0:5cab8e2cf6a9 575 down_pb.mode(PullUp); //the variable fire_pb will be zero when the pushbutton for firing a missile is pressed
rollschild 0:5cab8e2cf6a9 576 initialize(); //Draw the level setup
rollschild 0:5cab8e2cf6a9 577 Thread pm(pacMOVE); //Start the thread for moving Pacman
rollschild 0:5cab8e2cf6a9 578 Thread bg(blueGHOST); //Start the thread for moving the blue ghost
rollschild 0:5cab8e2cf6a9 579
rollschild 0:5cab8e2cf6a9 580 Thread::wait(5000); //Wait some time before checking the win conditions since it will take around 30 secs to eat all 81 coins
rollschild 0:5cab8e2cf6a9 581 while(!win) { //Check to see if there was a win once every tenth of a second
rollschild 0:5cab8e2cf6a9 582 checkWIN();
rollschild 0:5cab8e2cf6a9 583 Thread::wait(10);
rollschild 0:5cab8e2cf6a9 584 }
rollschild 0:5cab8e2cf6a9 585
rollschild 0:5cab8e2cf6a9 586 Thread::wait(1000); //Wait one second before displaying end message
rollschild 0:5cab8e2cf6a9 587
rollschild 0:5cab8e2cf6a9 588 if(lose) { //Print game over message if lose (determined in the follow function)
rollschild 0:5cab8e2cf6a9 589 uLCD.cls();
rollschild 0:5cab8e2cf6a9 590 uLCD.printf("Sorry\nGame Over");
rollschild 0:5cab8e2cf6a9 591 } else if(win){
rollschild 0:5cab8e2cf6a9 592 uLCD.cls();
rollschild 0:5cab8e2cf6a9 593 uLCD.printf("Congratulations!\nYou Won!");
rollschild 0:5cab8e2cf6a9 594 }
rollschild 0:5cab8e2cf6a9 595
rollschild 0:5cab8e2cf6a9 596 while(1) {
rollschild 0:5cab8e2cf6a9 597 /*if(lose) { //Print game over message if lose (determined in the follow function)
rollschild 0:5cab8e2cf6a9 598 uLCD.cls();
rollschild 0:5cab8e2cf6a9 599 uLCD.printf("Sorry\nGame Over");
rollschild 0:5cab8e2cf6a9 600 } else if(win){
rollschild 0:5cab8e2cf6a9 601 uLCD.cls();
rollschild 0:5cab8e2cf6a9 602 uLCD.printf("Congratulations!\nYou Won!");
rollschild 0:5cab8e2cf6a9 603 }*/
rollschild 0:5cab8e2cf6a9 604 Thread::wait(1000);
rollschild 0:5cab8e2cf6a9 605 }
rollschild 0:5cab8e2cf6a9 606 }