Michael Birney / Mbed 2 deprecated SnakeM_Birney

Completed Snake Program

Dependencies:   N5110 PinDetect PowerControl mbed

Fork of DocTest by Craig Evans

main.cpp@7:2942e97924f0, 2015-04-30 (annotated)

Committer:
MBirney
Date:
Thu Apr 30 15:39:20 2015 +0000
Revision:
7:2942e97924f0
Parent:
6:1de103a19681
Child:
8:b857684a3983
Snake working with no boundaries 2x2 snake ; (next step boundary or classic menu)

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MBirney 6:1de103a19681 1 #include "main.h"
MBirney 3:478b090b7e1b 2
MBirney 3:478b090b7e1b 3 // create enumerated type (0,1,2,3 etc. for direction)
MBirney 3:478b090b7e1b 4 enum DirectionName {
MBirney 3:478b090b7e1b 5 UP,
MBirney 3:478b090b7e1b 6 DOWN,
MBirney 3:478b090b7e1b 7 LEFT,
MBirney 3:478b090b7e1b 8 RIGHT,
MBirney 3:478b090b7e1b 9 CENTRE,
MBirney 3:478b090b7e1b 10 UNKNOWN
MBirney 3:478b090b7e1b 11 };
MBirney 3:478b090b7e1b 12
MBirney 6:1de103a19681 13 // create enumerated type (0,1,2 for difficulty)
MBirney 6:1de103a19681 14 enum Difficulty {
MBirney 6:1de103a19681 15 EASY,
MBirney 6:1de103a19681 16 MEDIUM,
MBirney 6:1de103a19681 17 HARD,
MBirney 6:1de103a19681 18 };
MBirney 6:1de103a19681 19
MBirney 7:2942e97924f0 20 Difficulty currentDifficulty=EASY;// initialise to easy mode
MBirney 6:1de103a19681 21
MBirney 6:1de103a19681 22
MBirney 3:478b090b7e1b 23 // struct for Joystick
MBirney 3:478b090b7e1b 24 typedef struct JoyStick Joystick;
MBirney 3:478b090b7e1b 25 struct JoyStick {
MBirney 3:478b090b7e1b 26 float x; // current x value
MBirney 3:478b090b7e1b 27 float x0; // 'centred' x value
MBirney 3:478b090b7e1b 28 float y; // current y value
MBirney 3:478b090b7e1b 29 float y0; // 'centred' y value
MBirney 3:478b090b7e1b 30 int button; // button state (assume pull-down used, so 1 = pressed, 0 = unpressed)
MBirney 3:478b090b7e1b 31 DirectionName direction; // current direction
MBirney 3:478b090b7e1b 32 };
MBirney 3:478b090b7e1b 33 // create struct variable
MBirney 3:478b090b7e1b 34 Joystick joystick;
MBirney 3:478b090b7e1b 35
MBirney 7:2942e97924f0 36 DirectionName previousDirection =RIGHT;//initial direction =Right
MBirney 3:478b090b7e1b 37
MBirney 3:478b090b7e1b 38 // read default positions of the joystick to calibrate later readings
MBirney 3:478b090b7e1b 39 void calibrateJoystick()
MBirney 3:478b090b7e1b 40 {
MBirney 3:478b090b7e1b 41 button.mode(PullDown);
MBirney 3:478b090b7e1b 42 // must not move during calibration
MBirney 3:478b090b7e1b 43 joystick.x0 = xPot; // initial positions in the range 0.0 to 1.0 (0.5 if centred exactly)
MBirney 3:478b090b7e1b 44 joystick.y0 = yPot;
MBirney 3:478b090b7e1b 45 }
MBirney 3:478b090b7e1b 46 void updateJoystick()
MBirney 3:478b090b7e1b 47 {
MBirney 3:478b090b7e1b 48 // read current joystick values relative to calibrated values (in range -0.5 to 0.5, 0.0 is centred)
MBirney 3:478b090b7e1b 49 joystick.x = xPot - joystick.x0;
MBirney 3:478b090b7e1b 50 joystick.y = yPot - joystick.y0;
MBirney 3:478b090b7e1b 51 // read button state
MBirney 3:478b090b7e1b 52 joystick.button = button;
MBirney 3:478b090b7e1b 53
MBirney 3:478b090b7e1b 54 // calculate direction depending on x,y values
MBirney 3:478b090b7e1b 55 // tolerance allows a little lee-way in case joystick not exactly in the stated direction
MBirney 3:478b090b7e1b 56 if ( fabs(joystick.y) < DIRECTION_TOLERANCE && fabs(joystick.x) < DIRECTION_TOLERANCE) {
MBirney 3:478b090b7e1b 57 joystick.direction = CENTRE;
MBirney 3:478b090b7e1b 58 } else if ( joystick.y > DIRECTION_TOLERANCE && fabs(joystick.x) < DIRECTION_TOLERANCE) {
MBirney 6:1de103a19681 59 joystick.direction = DOWN;
MBirney 3:478b090b7e1b 60 } else if ( joystick.y < DIRECTION_TOLERANCE && fabs(joystick.x) < DIRECTION_TOLERANCE) {
MBirney 6:1de103a19681 61 joystick.direction = UP;
MBirney 3:478b090b7e1b 62 } else if ( joystick.x > DIRECTION_TOLERANCE && fabs(joystick.y) < DIRECTION_TOLERANCE) {
MBirney 6:1de103a19681 63 joystick.direction = RIGHT; // remember switched this with right
MBirney 3:478b090b7e1b 64 } else if ( joystick.x < DIRECTION_TOLERANCE && fabs(joystick.y) < DIRECTION_TOLERANCE) {
MBirney 6:1de103a19681 65 joystick.direction = LEFT;
MBirney 3:478b090b7e1b 66 } else {
MBirney 3:478b090b7e1b 67 joystick.direction = UNKNOWN;
MBirney 3:478b090b7e1b 68 }
MBirney 3:478b090b7e1b 69 }
eencae 0:b85460bc73b9 70
MBirney 6:1de103a19681 71 //GAME FUNCTIONS
MBirney 4:551dea241d0a 72
MBirney 6:1de103a19681 73 //For start MENU
MBirney 4:551dea241d0a 74
MBirney 2:deb61a34ac31 75 void displaySplash()
MBirney 2:deb61a34ac31 76 {
MBirney 7:2942e97924f0 77
MBirney 7:2942e97924f0 78 lcd.inverseMode(); // change colour mode
MBirney 2:deb61a34ac31 79 lcd.setBrightness(0.5); // put LED backlight on 50%
MBirney 2:deb61a34ac31 80
MBirney 2:deb61a34ac31 81 //Draw S
MBirney 2:deb61a34ac31 82 lcd.drawRect(28,10,2,5,1);
MBirney 2:deb61a34ac31 83 lcd.drawRect(15,10,15,2,1);
MBirney 2:deb61a34ac31 84 lcd.drawRect(15,10,2,10,1);
MBirney 2:deb61a34ac31 85 lcd.drawRect(15,20,15,2,1);
MBirney 2:deb61a34ac31 86 lcd.drawRect(28,20,2,10,1);
MBirney 2:deb61a34ac31 87 lcd.drawRect(15,28,15,2,1);
MBirney 2:deb61a34ac31 88 lcd.drawRect(15,25,2,3,1);
MBirney 2:deb61a34ac31 89
MBirney 2:deb61a34ac31 90 lcd.printString("NAKE ",34,3);
MBirney 2:deb61a34ac31 91 lcd.printString("By M.Birney",10,5);
MBirney 7:2942e97924f0 92 lcd.drawRect(10,5,65,30,0); // outline for splash
MBirney 2:deb61a34ac31 93
MBirney 2:deb61a34ac31 94 // need to refresh display after setting pixels
MBirney 2:deb61a34ac31 95
MBirney 2:deb61a34ac31 96 lcd.refresh();
eencae 0:b85460bc73b9 97 }
eencae 0:b85460bc73b9 98
eencae 0:b85460bc73b9 99
MBirney 2:deb61a34ac31 100
MBirney 2:deb61a34ac31 101 void easySelected() // display when easy is selected
MBirney 2:deb61a34ac31 102 {
MBirney 3:478b090b7e1b 103 currentDifficulty=EASY;
MBirney 2:deb61a34ac31 104 lcd.clear();
MBirney 2:deb61a34ac31 105 lcd.printString("Please Select",2,0);
MBirney 2:deb61a34ac31 106 lcd.printString("Difficulty:",2,1);
MBirney 2:deb61a34ac31 107 lcd.printString("Easy",20,3);
MBirney 2:deb61a34ac31 108 lcd.printString("Medium",20,4);
MBirney 2:deb61a34ac31 109 lcd.printString("Hard",20,5);
MBirney 2:deb61a34ac31 110 lcd.refresh();
MBirney 2:deb61a34ac31 111 lcd.drawCircle(10,27,2,1);
MBirney 2:deb61a34ac31 112 lcd.drawCircle(10,35,2,0);
MBirney 2:deb61a34ac31 113 lcd.drawCircle(10,43,2,0);
MBirney 2:deb61a34ac31 114
MBirney 7:2942e97924f0 115 gameSpeed= 1.0/5; // set easy game speed(for game time)
MBirney 2:deb61a34ac31 116 }
MBirney 7:2942e97924f0 117 void mediumSelected() // display when medium is selected
MBirney 2:deb61a34ac31 118 {
MBirney 3:478b090b7e1b 119 currentDifficulty=MEDIUM;
MBirney 2:deb61a34ac31 120 lcd.clear();
MBirney 2:deb61a34ac31 121 lcd.printString("Please Select",2,0);
MBirney 2:deb61a34ac31 122 lcd.printString("Difficulty:",2,1);
MBirney 2:deb61a34ac31 123 lcd.printString("Easy",20,3);
MBirney 2:deb61a34ac31 124 lcd.printString("Medium",20,4);
MBirney 2:deb61a34ac31 125 lcd.printString("Hard",20,5);
MBirney 2:deb61a34ac31 126 lcd.refresh();
MBirney 2:deb61a34ac31 127 lcd.drawCircle(10,27,2,0);
MBirney 2:deb61a34ac31 128 lcd.drawCircle(10,35,2,1);
MBirney 2:deb61a34ac31 129 lcd.drawCircle(10,43,2,0);
MBirney 7:2942e97924f0 130 gameSpeed=1.0/7; // set medium game speed
MBirney 2:deb61a34ac31 131 }
MBirney 2:deb61a34ac31 132
MBirney 2:deb61a34ac31 133 void hardSelected() // display when hard is selected
MBirney 2:deb61a34ac31 134 {
MBirney 3:478b090b7e1b 135 currentDifficulty=HARD;
MBirney 2:deb61a34ac31 136 lcd.clear();
MBirney 2:deb61a34ac31 137 lcd.printString("Please Select",2,0);
MBirney 2:deb61a34ac31 138 lcd.printString("Difficulty:",2,1);
MBirney 2:deb61a34ac31 139 lcd.printString("Easy",20,3);
MBirney 2:deb61a34ac31 140 lcd.printString("Medium",20,4);
MBirney 2:deb61a34ac31 141 lcd.printString("Hard",20,5);
MBirney 2:deb61a34ac31 142 lcd.refresh();
MBirney 2:deb61a34ac31 143 lcd.drawCircle(10,27,2,0);
MBirney 2:deb61a34ac31 144 lcd.drawCircle(10,35,2,0);
MBirney 2:deb61a34ac31 145 lcd.drawCircle(10,43,2,1);
MBirney 7:2942e97924f0 146 gameSpeed=1.0/12; // set hard game speed
MBirney 4:551dea241d0a 147 }
MBirney 4:551dea241d0a 148
MBirney 7:2942e97924f0 149
MBirney 6:1de103a19681 150 void checkSelectedDifficulty()
MBirney 6:1de103a19681 151 {
MBirney 4:551dea241d0a 152
MBirney 4:551dea241d0a 153 switch(currentDifficulty) {
MBirney 4:551dea241d0a 154 case EASY:
MBirney 4:551dea241d0a 155
MBirney 4:551dea241d0a 156 switch (joystick.direction) {
MBirney 4:551dea241d0a 157
MBirney 4:551dea241d0a 158 case UP:
MBirney 4:551dea241d0a 159 hardSelected();
MBirney 4:551dea241d0a 160 break;
MBirney 4:551dea241d0a 161
MBirney 4:551dea241d0a 162
MBirney 4:551dea241d0a 163 case DOWN:
MBirney 4:551dea241d0a 164 mediumSelected();
MBirney 4:551dea241d0a 165 break;
MBirney 4:551dea241d0a 166 }
MBirney 4:551dea241d0a 167 break;
MBirney 2:deb61a34ac31 168
MBirney 2:deb61a34ac31 169
MBirney 4:551dea241d0a 170 case MEDIUM:
MBirney 4:551dea241d0a 171
MBirney 4:551dea241d0a 172 switch (joystick.direction) {
MBirney 4:551dea241d0a 173
MBirney 4:551dea241d0a 174 case UP:
MBirney 4:551dea241d0a 175 easySelected();
MBirney 4:551dea241d0a 176 break;
MBirney 4:551dea241d0a 177
MBirney 4:551dea241d0a 178
MBirney 4:551dea241d0a 179 case DOWN:
MBirney 4:551dea241d0a 180 hardSelected();
MBirney 4:551dea241d0a 181 break;
MBirney 4:551dea241d0a 182 }
MBirney 4:551dea241d0a 183
MBirney 4:551dea241d0a 184
MBirney 4:551dea241d0a 185
MBirney 4:551dea241d0a 186 break;
MBirney 4:551dea241d0a 187 case HARD:
MBirney 4:551dea241d0a 188 switch (joystick.direction) {
MBirney 4:551dea241d0a 189
MBirney 4:551dea241d0a 190 case UP:
MBirney 4:551dea241d0a 191 mediumSelected();
MBirney 4:551dea241d0a 192 break;
MBirney 4:551dea241d0a 193
MBirney 4:551dea241d0a 194
MBirney 4:551dea241d0a 195 case DOWN:
MBirney 4:551dea241d0a 196 easySelected();
MBirney 4:551dea241d0a 197 break;
MBirney 4:551dea241d0a 198 }
MBirney 4:551dea241d0a 199 break;
MBirney 4:551dea241d0a 200 }
MBirney 4:551dea241d0a 201 wait(0.2);
MBirney 4:551dea241d0a 202 }
MBirney 4:551dea241d0a 203
MBirney 6:1de103a19681 204
MBirney 6:1de103a19681 205
MBirney 6:1de103a19681 206
MBirney 6:1de103a19681 207 //for gamePLAY
MBirney 6:1de103a19681 208
MBirney 6:1de103a19681 209
MBirney 6:1de103a19681 210
MBirney 6:1de103a19681 211 void startingSnake()
MBirney 6:1de103a19681 212 {
MBirney 7:2942e97924f0 213 snakeX.resize(5);
MBirney 7:2942e97924f0 214 snakeY.resize(5);
MBirney 6:1de103a19681 215 snakeX[0]=20;
MBirney 7:2942e97924f0 216 snakeX[1]=22;
MBirney 7:2942e97924f0 217 snakeX[2]=24;
MBirney 7:2942e97924f0 218 snakeX[3]=26;
MBirney 7:2942e97924f0 219 snakeX[4]=28;
MBirney 7:2942e97924f0 220 snakeY[0]=27;
MBirney 7:2942e97924f0 221 snakeY[1]=27;
MBirney 7:2942e97924f0 222 snakeY[2]=27;
MBirney 7:2942e97924f0 223 snakeY[3]=27;
MBirney 7:2942e97924f0 224 snakeY[4]=27;
MBirney 7:2942e97924f0 225
MBirney 6:1de103a19681 226
MBirney 7:2942e97924f0 227 for (int i=0; i<5; i++) {
MBirney 7:2942e97924f0 228 // lcd.setPixel(snakeX[i],snakeY[i]);
MBirney 7:2942e97924f0 229 lcd.drawRect(snakeX[i],snakeY[i],1,1,1);
MBirney 4:551dea241d0a 230 }
MBirney 7:2942e97924f0 231
MBirney 6:1de103a19681 232 }
MBirney 6:1de103a19681 233
MBirney 6:1de103a19681 234
MBirney 6:1de103a19681 235 void randomiseFood()
MBirney 6:1de103a19681 236 {
MBirney 7:2942e97924f0 237 // http://stackoverflow.com/questions/3383286/create-a-random-even-number-between-range
MBirney 7:2942e97924f0 238
MBirney 6:1de103a19681 239
MBirney 6:1de103a19681 240 srand(time(NULL));
MBirney 6:1de103a19681 241
MBirney 7:2942e97924f0 242 int randomX = 2 * (1 + rand() % (40 - 1 + 1)) ; //generate random even number between 2 and 80
MBirney 6:1de103a19681 243
MBirney 7:2942e97924f0 244 int randomY = (2 * (4 + rand() % (22 - 4 + 1))) +1; // generate random even number between 8 and 44 then plus 1 for odd number in range of 9-45
MBirney 6:1de103a19681 245
MBirney 6:1de103a19681 246
MBirney 7:2942e97924f0 247 while(lcd.getPixel(randomX,randomY)==1) { // if that pixel is already filled keep generating till a empty space is found
MBirney 6:1de103a19681 248
MBirney 7:2942e97924f0 249 int randomX = 2 * (1 + rand() % (40 - 1 + 1)) ;
MBirney 7:2942e97924f0 250 int randomY = (2 * (4 + rand() % (22 - 4 + 1))) +1; // generate random even number between 8 and 44 then plus 1 for odd number in range of 9-45
MBirney 6:1de103a19681 251
MBirney 6:1de103a19681 252
MBirney 6:1de103a19681 253 }
MBirney 7:2942e97924f0 254 // lcd.setPixel(randomX,randomY) ;// set the food
MBirney 7:2942e97924f0 255 lcd.drawRect(randomX,randomY,1,1,1);
MBirney 7:2942e97924f0 256 //lcd.setPixel(randomX,randomY);
MBirney 7:2942e97924f0 257
MBirney 7:2942e97924f0 258 foodX[0]=randomX; // update food position
MBirney 7:2942e97924f0 259 foodY[0]=randomY;// update food position
MBirney 6:1de103a19681 260 lcd.refresh();
MBirney 7:2942e97924f0 261 //serial.printf("%d",randomX);
MBirney 6:1de103a19681 262 }
MBirney 6:1de103a19681 263
MBirney 6:1de103a19681 264 void Boundary()
MBirney 6:1de103a19681 265 {
MBirney 6:1de103a19681 266
MBirney 6:1de103a19681 267
MBirney 7:2942e97924f0 268 for(int x = 1; x< 83; x++) { // draw 1 to 82 at y=8
MBirney 6:1de103a19681 269 lcd.setPixel(x,8);
MBirney 6:1de103a19681 270 }
MBirney 7:2942e97924f0 271 for(int x = 1; x< 83; x++) { // draw 1 to 82 at y=47
MBirney 6:1de103a19681 272 lcd.setPixel(x,47);
MBirney 6:1de103a19681 273 }
MBirney 7:2942e97924f0 274 for(int y = 8; y< 48; y++) {// draw 8 tp 47 at x=1
MBirney 7:2942e97924f0 275 lcd.setPixel(1,y);
MBirney 6:1de103a19681 276 }
MBirney 7:2942e97924f0 277 for(int y = 8; y< 48; y++) {// draw 8 to 47 at x =82
MBirney 7:2942e97924f0 278 lcd.setPixel(82,y);
MBirney 6:1de103a19681 279 }
MBirney 6:1de103a19681 280
MBirney 6:1de103a19681 281 lcd.refresh();
MBirney 6:1de103a19681 282
MBirney 6:1de103a19681 283 }
MBirney 6:1de103a19681 284
MBirney 6:1de103a19681 285
MBirney 6:1de103a19681 286
MBirney 6:1de103a19681 287
MBirney 6:1de103a19681 288
MBirney 6:1de103a19681 289 void updateSnakeArray()
MBirney 6:1de103a19681 290 {
MBirney 6:1de103a19681 291
MBirney 6:1de103a19681 292 if (joystick.direction==LEFT && previousDirection==RIGHT) {
MBirney 6:1de103a19681 293 joystick.direction=RIGHT;
MBirney 6:1de103a19681 294 }
MBirney 6:1de103a19681 295
MBirney 6:1de103a19681 296 if (joystick.direction==RIGHT && previousDirection==LEFT) {
MBirney 6:1de103a19681 297 joystick.direction=LEFT;
MBirney 6:1de103a19681 298 }
MBirney 6:1de103a19681 299
MBirney 6:1de103a19681 300 if (joystick.direction==UP && previousDirection==DOWN) {
MBirney 6:1de103a19681 301 joystick.direction=DOWN;
MBirney 6:1de103a19681 302 }
MBirney 6:1de103a19681 303
MBirney 6:1de103a19681 304 if (joystick.direction==DOWN && previousDirection==UP) {
MBirney 6:1de103a19681 305 joystick.direction=UP;
MBirney 6:1de103a19681 306 }
MBirney 6:1de103a19681 307
MBirney 6:1de103a19681 308 if (joystick.direction==UNKNOWN || joystick.direction==CENTRE) {
MBirney 6:1de103a19681 309 joystick.direction= previousDirection;
MBirney 6:1de103a19681 310 }
MBirney 6:1de103a19681 311
MBirney 6:1de103a19681 312
MBirney 7:2942e97924f0 313 // lcd.clearPixel(snakeX[0],snakeY[0]);//delete tail
MBirney 7:2942e97924f0 314 lcd.drawRect(snakeX[0],snakeY[0],1,1,2);
MBirney 6:1de103a19681 315
MBirney 6:1de103a19681 316 for (int i =0; i<snakeX.size(); i++) { // shift elements
MBirney 6:1de103a19681 317 snakeX[i]=snakeX[i + 1]; // apart from head
MBirney 6:1de103a19681 318 snakeY[i]=snakeY[i+ 1];
MBirney 6:1de103a19681 319 }
MBirney 6:1de103a19681 320
MBirney 6:1de103a19681 321 switch(joystick.direction) {
MBirney 6:1de103a19681 322
MBirney 6:1de103a19681 323 case UP:
MBirney 6:1de103a19681 324 snakeX[snakeX.size()-1]=snakeX[snakeX.size()-2];
MBirney 6:1de103a19681 325 snakeY[snakeY.size()-1]=snakeY[snakeY.size()-2]-2;
MBirney 7:2942e97924f0 326
MBirney 7:2942e97924f0 327 if(snakeY[snakeY.size()-1] <9) snakeY[snakeY.size()-1]=45;
MBirney 6:1de103a19681 328 break;
MBirney 6:1de103a19681 329
MBirney 6:1de103a19681 330 case DOWN:
MBirney 7:2942e97924f0 331 snakeX[snakeX.size()-1]=snakeX[snakeX.size()-2];
MBirney 6:1de103a19681 332 snakeY[snakeY.size()-1]=snakeY[snakeY.size()-2]+2;
MBirney 7:2942e97924f0 333
MBirney 7:2942e97924f0 334 if(snakeY[snakeY.size()-1] >45) snakeY[snakeY.size()-1]=9;
MBirney 6:1de103a19681 335 break;
MBirney 6:1de103a19681 336
MBirney 6:1de103a19681 337 case LEFT:
MBirney 6:1de103a19681 338 snakeX[snakeX.size()-1]=snakeX[snakeX.size()-2]-2;
MBirney 7:2942e97924f0 339
MBirney 7:2942e97924f0 340 if(snakeX[snakeX.size()-1] <2) snakeX[snakeX.size()-1]=80;
MBirney 7:2942e97924f0 341
MBirney 6:1de103a19681 342 snakeY[snakeY.size()-1]=snakeY[snakeY.size()-2];
MBirney 6:1de103a19681 343 break;
MBirney 6:1de103a19681 344
MBirney 6:1de103a19681 345 case RIGHT:
MBirney 7:2942e97924f0 346 snakeX[snakeX.size()-1]= snakeX[snakeX.size()-2]+2;
MBirney 7:2942e97924f0 347
MBirney 7:2942e97924f0 348 if(snakeX[snakeX.size()-1] >80) snakeX[snakeX.size()-1]=2;
MBirney 7:2942e97924f0 349
MBirney 7:2942e97924f0 350
MBirney 6:1de103a19681 351 snakeY[snakeY.size()-1]=snakeY[snakeY.size()-2];
MBirney 7:2942e97924f0 352
MBirney 6:1de103a19681 353 break;
MBirney 6:1de103a19681 354
MBirney 6:1de103a19681 355 case CENTRE:
MBirney 6:1de103a19681 356 snakeX[snakeX.size()-1]=snakeX[snakeX.size()-2]+2;
MBirney 6:1de103a19681 357 snakeY[snakeY.size()-1]=snakeY[snakeY.size()-2];
MBirney 6:1de103a19681 358 break;
MBirney 6:1de103a19681 359 case UNKNOWN:
MBirney 6:1de103a19681 360 snakeX[snakeX.size()-1]=snakeX[snakeX.size()-2]+2;
MBirney 6:1de103a19681 361 snakeY[snakeY.size()-1]=snakeY[snakeY.size()-2];
MBirney 6:1de103a19681 362 break;
MBirney 6:1de103a19681 363
MBirney 6:1de103a19681 364 }
MBirney 6:1de103a19681 365 }
MBirney 7:2942e97924f0 366 void playTune()
MBirney 7:2942e97924f0 367 {
MBirney 7:2942e97924f0 368
MBirney 7:2942e97924f0 369 //float frequency[]={440,659};
MBirney 7:2942e97924f0 370 // float beat[]={1,1,};
MBirney 7:2942e97924f0 371 // Buzzer=0.3;
MBirney 7:2942e97924f0 372 // Buzzer.period(1/(440));// time =1/f
MBirney 7:2942e97924f0 373 //wait(1);
MBirney 7:2942e97924f0 374 //Buzzer.period(1/(659));
MBirney 7:2942e97924f0 375
MBirney 7:2942e97924f0 376 //Buzzer=0;
MBirney 7:2942e97924f0 377
MBirney 7:2942e97924f0 378 // set PWM period
MBirney 7:2942e97924f0 379
MBirney 7:2942e97924f0 380 // set duty cycle
MBirney 7:2942e97924f0 381 //wait(0.5*beat[i]);
MBirney 7:2942e97924f0 382 }
MBirney 6:1de103a19681 383 void gameOver()
MBirney 6:1de103a19681 384 {
MBirney 7:2942e97924f0 385 leds=1;
MBirney 6:1de103a19681 386 startGame.detach();
MBirney 7:2942e97924f0 387 lcd.drawRect(snakeX.back(),snakeY.back(),1,1,2);
MBirney 6:1de103a19681 388 wait(0.2);
MBirney 6:1de103a19681 389 lcd.refresh();
MBirney 7:2942e97924f0 390 lcd.drawRect(snakeX.back(),snakeY.back(),1,1,1);
MBirney 6:1de103a19681 391 wait(0.3);
MBirney 6:1de103a19681 392 lcd.refresh();
MBirney 7:2942e97924f0 393 lcd.drawRect(snakeX.back(),snakeY.back(),1,1,2);
MBirney 6:1de103a19681 394 wait(0.2);
MBirney 6:1de103a19681 395 lcd.refresh();
MBirney 7:2942e97924f0 396 lcd.drawRect(snakeX.back(),snakeY.back(),1,1,1);
MBirney 6:1de103a19681 397 wait(0.2);
MBirney 6:1de103a19681 398 lcd.refresh();
MBirney 6:1de103a19681 399 lcd.clear();
MBirney 6:1de103a19681 400 lcd.inverseMode();
MBirney 6:1de103a19681 401
MBirney 7:2942e97924f0 402
MBirney 6:1de103a19681 403 lcd.printString("Your Score" ,12,0);
MBirney 7:2942e97924f0 404 lcd.printString("=" ,34,1);
MBirney 7:2942e97924f0 405
MBirney 7:2942e97924f0 406 int updatedScore=score;
MBirney 7:2942e97924f0 407 int length = sprintf(buffer,"%2d",updatedScore);
MBirney 7:2942e97924f0 408
MBirney 7:2942e97924f0 409 if (length <= 14) // if string will fit on display
MBirney 7:2942e97924f0 410 lcd.printString(buffer,40,1);
MBirney 6:1de103a19681 411
MBirney 7:2942e97924f0 412 lcd.printString("Press Reset" ,2,3);
MBirney 7:2942e97924f0 413 lcd.printString("Button To" ,10,4);
MBirney 7:2942e97924f0 414 lcd.printString("Play Again" ,20,5);
MBirney 5:1bfc306466db 415
MBirney 7:2942e97924f0 416 //
MBirney 7:2942e97924f0 417 lcd.refresh();
MBirney 7:2942e97924f0 418 playTune();
MBirney 5:1bfc306466db 419
MBirney 7:2942e97924f0 420 //gamePlaying=0;
MBirney 7:2942e97924f0 421
MBirney 7:2942e97924f0 422
MBirney 6:1de103a19681 423
MBirney 6:1de103a19681 424 }
MBirney 6:1de103a19681 425
MBirney 7:2942e97924f0 426
MBirney 7:2942e97924f0 427
MBirney 6:1de103a19681 428 void checkForCollision()
MBirney 6:1de103a19681 429 {
MBirney 6:1de103a19681 430
MBirney 7:2942e97924f0 431 if (snakeX.back()==0|| snakeX.back()==82 || snakeY.back()==7 ||snakeY.back()>=47) {
MBirney 7:2942e97924f0 432 myleds=15;
MBirney 7:2942e97924f0 433
MBirney 6:1de103a19681 434 gameOver();
MBirney 6:1de103a19681 435 }
MBirney 6:1de103a19681 436 }
MBirney 6:1de103a19681 437
MBirney 6:1de103a19681 438
MBirney 6:1de103a19681 439
MBirney 6:1de103a19681 440 void checkForFood()
MBirney 6:1de103a19681 441 {
MBirney 6:1de103a19681 442
MBirney 7:2942e97924f0 443 if (snakeX.back()==foodX[0] && snakeY.back()==foodY[0]) { // if x and y of head match food
MBirney 6:1de103a19681 444
MBirney 6:1de103a19681 445
MBirney 6:1de103a19681 446 switch(joystick.direction) {
MBirney 6:1de103a19681 447
MBirney 6:1de103a19681 448 case RIGHT:
MBirney 7:2942e97924f0 449 snakeX.insert (snakeX.begin() +0,foodX[0]-2 );
MBirney 7:2942e97924f0 450 snakeY.insert (snakeY.begin() ,foodY[0]);
MBirney 7:2942e97924f0 451 //snakeX.push_back(foodX[0]+2);
MBirney 7:2942e97924f0 452 // snakeY.push_back(foodY[0]);
MBirney 6:1de103a19681 453 break;
MBirney 6:1de103a19681 454 case LEFT:
MBirney 6:1de103a19681 455
MBirney 7:2942e97924f0 456 snakeX.insert (snakeX.begin() +0,foodX[0]+2 );
MBirney 7:2942e97924f0 457 snakeY.insert (snakeY.begin() ,foodY[0]);
MBirney 7:2942e97924f0 458
MBirney 7:2942e97924f0 459 // snakeX.push_back(foodX[0]-2);
MBirney 7:2942e97924f0 460 // snakeY.push_back(foodY[0]);
MBirney 6:1de103a19681 461 break;
MBirney 6:1de103a19681 462
MBirney 6:1de103a19681 463
MBirney 6:1de103a19681 464 case UP:
MBirney 7:2942e97924f0 465
MBirney 7:2942e97924f0 466 snakeX.insert (snakeX.begin() +0,foodX[0] );
MBirney 7:2942e97924f0 467 snakeY.insert (snakeY.begin() ,foodY[0]+2);
MBirney 7:2942e97924f0 468 // snakeX.push_back(foodX[0]);
MBirney 7:2942e97924f0 469 // snakeY.push_back(foodY[0]-2);
MBirney 6:1de103a19681 470 break;
MBirney 6:1de103a19681 471
MBirney 6:1de103a19681 472 case DOWN:
MBirney 7:2942e97924f0 473 snakeX.insert (snakeX.begin() +0,foodX[0] );
MBirney 7:2942e97924f0 474 snakeY.insert (snakeY.begin() ,foodY[0]-2);
MBirney 7:2942e97924f0 475 // snakeX.push_back(foodX[0]);
MBirney 7:2942e97924f0 476 // snakeY.push_back(foodY[0]+2);
MBirney 6:1de103a19681 477 break;
MBirney 6:1de103a19681 478 }
MBirney 7:2942e97924f0 479 lcd.drawRect(snakeX[0],snakeY[0],1,1,1);
MBirney 6:1de103a19681 480
MBirney 6:1de103a19681 481 int updatedScore;
MBirney 6:1de103a19681 482 // snakeX.insert (snakeX.begin() + 0, );
MBirney 6:1de103a19681 483 //snakeY.insert (snakeY.begin() + 0, );
MBirney 6:1de103a19681 484
MBirney 6:1de103a19681 485 updatedScore= score+5;
MBirney 6:1de103a19681 486 score=updatedScore;
MBirney 6:1de103a19681 487 int length = sprintf(buffer,"%2d",updatedScore);
MBirney 6:1de103a19681 488
MBirney 6:1de103a19681 489 if (length <= 14) // if string will fit on display
MBirney 6:1de103a19681 490 lcd.printString(buffer,0,0);
MBirney 6:1de103a19681 491 // lcd.refresh();
MBirney 6:1de103a19681 492
MBirney 6:1de103a19681 493 randomiseFood();
MBirney 6:1de103a19681 494
MBirney 5:1bfc306466db 495 }
MBirney 2:deb61a34ac31 496
MBirney 6:1de103a19681 497
MBirney 6:1de103a19681 498 }
MBirney 6:1de103a19681 499
MBirney 6:1de103a19681 500 void startButtonPressed()
MBirney 6:1de103a19681 501 {
MBirney 6:1de103a19681 502 gamePlaying=1;
MBirney 7:2942e97924f0 503 // myleds=15;
MBirney 6:1de103a19681 504 }
MBirney 6:1de103a19681 505
MBirney 6:1de103a19681 506
MBirney 6:1de103a19681 507
MBirney 7:2942e97924f0 508 void updateBrightness()
MBirney 7:2942e97924f0 509 {
MBirney 7:2942e97924f0 510 float ain ;
MBirney 7:2942e97924f0 511 ain=pot.read();
MBirney 7:2942e97924f0 512 lcd.setBrightness(1-ain);
MBirney 6:1de103a19681 513
MBirney 7:2942e97924f0 514 }
MBirney 6:1de103a19681 515 void updateGameISR()
MBirney 6:1de103a19681 516 {
MBirney 6:1de103a19681 517 updateGameFlag=1;
MBirney 6:1de103a19681 518 }
MBirney 6:1de103a19681 519
MBirney 6:1de103a19681 520 void printVectorContent()
MBirney 6:1de103a19681 521 {
MBirney 6:1de103a19681 522
MBirney 7:2942e97924f0 523 //for( int i=0; i<snakeX.size(); i++)
MBirney 7:2942e97924f0 524 // serial.printf( "%d \n \r" ,snakeX[i]);
MBirney 6:1de103a19681 525
MBirney 6:1de103a19681 526 }
MBirney 6:1de103a19681 527
MBirney 6:1de103a19681 528
MBirney 6:1de103a19681 529
MBirney 6:1de103a19681 530 void pauseButtonPressed()
MBirney 6:1de103a19681 531 {
MBirney 6:1de103a19681 532
MBirney 6:1de103a19681 533 if (gamePaused==0) {
MBirney 6:1de103a19681 534
MBirney 6:1de103a19681 535 startGame.detach();
MBirney 6:1de103a19681 536
MBirney 6:1de103a19681 537 gamePaused=1;
MBirney 7:2942e97924f0 538 leds=2;
MBirney 7:2942e97924f0 539
MBirney 6:1de103a19681 540 }
MBirney 6:1de103a19681 541
MBirney 6:1de103a19681 542 else {
MBirney 6:1de103a19681 543
MBirney 6:1de103a19681 544
MBirney 6:1de103a19681 545 startGame.attach(&updateGameISR,gameSpeed);
MBirney 6:1de103a19681 546
MBirney 6:1de103a19681 547 gamePaused=0;
MBirney 6:1de103a19681 548 }
MBirney 6:1de103a19681 549
MBirney 6:1de103a19681 550
MBirney 6:1de103a19681 551
MBirney 6:1de103a19681 552 }
MBirney 6:1de103a19681 553
MBirney 6:1de103a19681 554 void checkForCollisionWithSelf(int i)
MBirney 6:1de103a19681 555 {
MBirney 7:2942e97924f0 556 if(snakeX.back()==snakeX[i] && snakeY.back()==snakeY[i]) {
MBirney 7:2942e97924f0 557 gameOver();
MBirney 6:1de103a19681 558 }
MBirney 6:1de103a19681 559
MBirney 6:1de103a19681 560
MBirney 6:1de103a19681 561 }
MBirney 6:1de103a19681 562 void startUpMenu()
MBirney 2:deb61a34ac31 563 {
MBirney 7:2942e97924f0 564 lcd.inverseMode();
MBirney 2:deb61a34ac31 565 easySelected();
MBirney 3:478b090b7e1b 566 joystick.direction=UNKNOWN;
MBirney 3:478b090b7e1b 567 calibrateJoystick(); // get centred values of joystick
MBirney 7:2942e97924f0 568
MBirney 6:1de103a19681 569 }
MBirney 6:1de103a19681 570
MBirney 6:1de103a19681 571 void resetButtonPressed()
MBirney 6:1de103a19681 572 {
MBirney 7:2942e97924f0 573 gamePlaying=0;
MBirney 6:1de103a19681 574 }
MBirney 6:1de103a19681 575
MBirney 6:1de103a19681 576
MBirney 6:1de103a19681 577 int main()
MBirney 6:1de103a19681 578 {
MBirney 7:2942e97924f0 579 leds=1;
MBirney 6:1de103a19681 580 lcd.init();
MBirney 6:1de103a19681 581 resetButton.mode(PullDown);
MBirney 6:1de103a19681 582 startButton.mode(PullDown);
MBirney 6:1de103a19681 583 button.mode(PullDown);
MBirney 4:551dea241d0a 584 startButton.rise(&startButtonPressed);
MBirney 4:551dea241d0a 585 resetButton.rise(&resetButtonPressed);
MBirney 6:1de103a19681 586 button.rise(&pauseButtonPressed);
MBirney 7:2942e97924f0 587 displaySplash();
MBirney 7:2942e97924f0 588 wait(4);
MBirney 7:2942e97924f0 589 //serial.printf("starting");
MBirney 4:551dea241d0a 590 while(1) {
MBirney 7:2942e97924f0 591 startUpMenu();
MBirney 7:2942e97924f0 592 while (gamePlaying==0) {
MBirney 7:2942e97924f0 593 updateJoystick();
MBirney 6:1de103a19681 594 checkSelectedDifficulty();
MBirney 7:2942e97924f0 595 updateBrightness();
MBirney 7:2942e97924f0 596 //serial.printf("check difficulty loop");
MBirney 6:1de103a19681 597 }
MBirney 6:1de103a19681 598
MBirney 7:2942e97924f0 599 if (gamePlaying==1) {
MBirney 7:2942e97924f0 600
MBirney 6:1de103a19681 601 lcd.clear();
MBirney 6:1de103a19681 602 lcd.normalMode(); // normal colour mode
MBirney 6:1de103a19681 603 Boundary();
MBirney 7:2942e97924f0 604 previousDirection=RIGHT;
MBirney 7:2942e97924f0 605 joystick.direction=RIGHT; // make sure when game reset that joystick is reset to right
MBirney 6:1de103a19681 606 startingSnake();
MBirney 6:1de103a19681 607 randomiseFood();
MBirney 7:2942e97924f0 608 int score=5;
MBirney 7:2942e97924f0 609 int length = sprintf(buffer,"%2d",score);
MBirney 6:1de103a19681 610 if (length <= 14) // if string will fit on display
MBirney 6:1de103a19681 611 lcd.printString(buffer,0,0);
MBirney 6:1de103a19681 612 // lcd.drawRect(0,0,83,7,0);
MBirney 7:2942e97924f0 613 lcd.refresh();
MBirney 7:2942e97924f0 614 startGame.attach(&updateGameISR,gameSpeed);
MBirney 7:2942e97924f0 615
MBirney 7:2942e97924f0 616 while (gamePlaying==1) {
MBirney 6:1de103a19681 617
MBirney 7:2942e97924f0 618 // serial.printf("enter game loop");
MBirney 6:1de103a19681 619 if(updateGameFlag==1) {
MBirney 7:2942e97924f0 620 leds=4;
MBirney 6:1de103a19681 621 //updateJoystick();
MBirney 6:1de103a19681 622 updateGameFlag=0;
MBirney 6:1de103a19681 623 updateJoystick();
MBirney 6:1de103a19681 624 // lcd.clearPixel(snakeX[0],snakeY[0]);
MBirney 6:1de103a19681 625 // updateSnakeDirection();
MBirney 6:1de103a19681 626 updateSnakeArray();
MBirney 6:1de103a19681 627 for (int i=0; i<snakeX.size(); i++) {
MBirney 6:1de103a19681 628 lcd.drawRect(snakeX[i],snakeY[i],1,1,1);
MBirney 7:2942e97924f0 629 // lcd.setPixel(snakeX[i],snakeY[i]);
MBirney 7:2942e97924f0 630
MBirney 6:1de103a19681 631
MBirney 6:1de103a19681 632 }
MBirney 6:1de103a19681 633 lcd.refresh();
MBirney 6:1de103a19681 634 previousDirection=joystick.direction;
MBirney 7:2942e97924f0 635
MBirney 7:2942e97924f0 636 //checkForCollision();
MBirney 6:1de103a19681 637 checkForFood();
MBirney 7:2942e97924f0 638
MBirney 7:2942e97924f0 639
MBirney 6:1de103a19681 640 for (int i=0; i<snakeX.size()-1; i++) {
MBirney 6:1de103a19681 641 checkForCollisionWithSelf(i);
MBirney 7:2942e97924f0 642 updateBrightness();
MBirney 7:2942e97924f0 643 //serial.printf("%d",snakeX.size());
MBirney 7:2942e97924f0 644 // printVectorContent();
MBirney 6:1de103a19681 645
MBirney 7:2942e97924f0 646 }
MBirney 6:1de103a19681 647
MBirney 6:1de103a19681 648 }
MBirney 6:1de103a19681 649
MBirney 6:1de103a19681 650 }
MBirney 6:1de103a19681 651 }
MBirney 6:1de103a19681 652
MBirney 6:1de103a19681 653
MBirney 2:deb61a34ac31 654
MBirney 7:2942e97924f0 655 }
eencae 0:b85460bc73b9 656 }