renhao dai / Mbed 2 deprecated Joystick_snake_game

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Dependencies:   N5110 mbed

main.cpp@9:c8ea9b4af873, 2015-05-10 (annotated)

Committer:
el14rd
Date:
Sun May 10 00:22:50 2015 +0000
Revision:
9:c8ea9b4af873
Parent:
8:b01f638d23b4
Child:
10:67e13dfaa10d
complete version

Who changed what in which revision?

UserRevisionLine numberNew contents of line
eencae 0:026fa541af7a 1 #include "mbed.h"
el14rd 1:f682aeb462f1 2 #include "N5110.h"
eencae 0:026fa541af7a 3 #define DIRECTION_TOLERANCE 0.05
eencae 0:026fa541af7a 4
el14rd 1:f682aeb462f1 5
el14rd 1:f682aeb462f1 6 //pins in
el14rd 1:f682aeb462f1 7 N5110 lcd(p7,p8,p9,p10,p11,p13,p26);
el14rd 8:b01f638d23b4 8 InterruptIn button(p17);
el14rd 8:b01f638d23b4 9 DigitalIn buttonA(p19);
el14rd 9:c8ea9b4af873 10 AnalogIn pot(p20);
el14rd 9:c8ea9b4af873 11 AnalogIn xPot(p15); // connections for joystick
el14rd 1:f682aeb462f1 12 AnalogIn yPot(p16);
el14rd 4:41acda9d68c7 13 PwmOut buzzer(p21);
el14rd 4:41acda9d68c7 14 PwmOut blacklight(p26);
el14rd 4:41acda9d68c7 15 PwmOut led1(p24);
el14rd 4:41acda9d68c7 16 PwmOut led2(p23);
el14rd 8:b01f638d23b4 17 BusOut leds(LED4,LED3,LED2,LED1);
el14rd 4:41acda9d68c7 18
el14rd 9:c8ea9b4af873 19 float ain;
el14rd 1:f682aeb462f1 20 int i;
el14rd 1:f682aeb462f1 21 int j;
el14rd 2:d7b17623ba26 22 int X;
el14rd 2:d7b17623ba26 23 int Y;
el14rd 5:d8a06e7c54fb 24 char buffer[14];
el14rd 1:f682aeb462f1 25
el14rd 1:f682aeb462f1 26 int snakeX[100];
el14rd 1:f682aeb462f1 27 int snakeY[100];
eencae 0:026fa541af7a 28
eencae 0:026fa541af7a 29 // timer to regularly read the joystick
eencae 0:026fa541af7a 30 Ticker pollJoystick;
eencae 0:026fa541af7a 31 // Serial for debug
eencae 0:026fa541af7a 32 Serial serial(USBTX,USBRX);
eencae 0:026fa541af7a 33
eencae 0:026fa541af7a 34 // create enumerated type (0,1,2,3 etc. for direction)
eencae 0:026fa541af7a 35 // could be extended for diagonals etc.
eencae 0:026fa541af7a 36 enum DirectionName {
eencae 0:026fa541af7a 37 UP,
eencae 0:026fa541af7a 38 DOWN,
eencae 0:026fa541af7a 39 LEFT,
eencae 0:026fa541af7a 40 RIGHT,
eencae 0:026fa541af7a 41 CENTRE,
eencae 0:026fa541af7a 42 UNKNOWN
eencae 0:026fa541af7a 43 };
eencae 0:026fa541af7a 44
eencae 0:026fa541af7a 45 // struct for Joystick
eencae 0:026fa541af7a 46 typedef struct JoyStick Joystick;
eencae 0:026fa541af7a 47 struct JoyStick {
eencae 0:026fa541af7a 48 float x; // current x value
eencae 0:026fa541af7a 49 float x0; // 'centred' x value
eencae 0:026fa541af7a 50 float y; // current y value
eencae 0:026fa541af7a 51 float y0; // 'centred' y value
eencae 0:026fa541af7a 52 int button; // button state (assume pull-down used, so 1 = pressed, 0 = unpressed)
eencae 0:026fa541af7a 53 DirectionName direction; // current direction
eencae 0:026fa541af7a 54 };
eencae 0:026fa541af7a 55 // create struct variable
eencae 0:026fa541af7a 56 Joystick joystick;
eencae 0:026fa541af7a 57
el14rd 8:b01f638d23b4 58 //int buttonA = 0;
el14rd 8:b01f638d23b4 59 int pause = 0;
el14rd 8:b01f638d23b4 60 int buttonAFlag=0;
el14rd 7:69ae0585d11a 61 int buttonFlag = 0;
eencae 0:026fa541af7a 62 int printFlag = 0;
el14rd 3:04ff8cd27dd1 63 int nutFlag =1;
el14rd 5:d8a06e7c54fb 64 int lifeFlag =0;
el14rd 8:b01f638d23b4 65 float frequency[]= {659,554,659,554,550,494,554,587,494,659,554,440};
el14rd 8:b01f638d23b4 66 float beat[]= {1,1,1,1,1,0.5,0.5,1,1,1,1,2};
eencae 0:026fa541af7a 67 // function prototypes
el14rd 1:f682aeb462f1 68 //void setPixel(int x, int y);
el14rd 1:f682aeb462f1 69 //void clearPixel(int x, int y);
el14rd 1:f682aeb462f1 70
eencae 0:026fa541af7a 71
el14rd 1:f682aeb462f1 72 typedef struct Nut Nut;
el14rd 1:f682aeb462f1 73 struct Nut {
el14rd 1:f682aeb462f1 74 int X;
el14rd 1:f682aeb462f1 75 int Y;
el14rd 1:f682aeb462f1 76 };
el14rd 1:f682aeb462f1 77 Nut nut;
eencae 0:026fa541af7a 78
el14rd 1:f682aeb462f1 79 typedef struct Snake Snake;
el14rd 1:f682aeb462f1 80 struct Snake {
el14rd 1:f682aeb462f1 81 int snakeX[100];
el14rd 1:f682aeb462f1 82 int snakeY[100];
el14rd 1:f682aeb462f1 83 int node;
el14rd 1:f682aeb462f1 84 DirectionName direction;
el14rd 1:f682aeb462f1 85 };
el14rd 1:f682aeb462f1 86 Snake snake;
eencae 0:026fa541af7a 87
el14rd 1:f682aeb462f1 88 DirectionName snakeDirection;
el14rd 1:f682aeb462f1 89
el14rd 2:d7b17623ba26 90 void initNut()
el14rd 2:d7b17623ba26 91 {
el14rd 3:04ff8cd27dd1 92 nut.X=rand()%84;
el14rd 3:04ff8cd27dd1 93 nut.Y=rand()%48;
el14rd 3:04ff8cd27dd1 94 //nutFlag=1;
el14rd 8:b01f638d23b4 95 }
el14rd 8:b01f638d23b4 96
el14rd 2:d7b17623ba26 97 void drawNut()
el14rd 2:d7b17623ba26 98 {
el14rd 3:04ff8cd27dd1 99 //int X = rand()%84;
el14rd 3:04ff8cd27dd1 100 //int Y = rand()%48;
el14rd 8:b01f638d23b4 101 if(nutFlag==1) {
el14rd 8:b01f638d23b4 102 lcd.drawCircle(nut.X,nut.Y,1,1);
el14rd 3:04ff8cd27dd1 103 }
el14rd 2:d7b17623ba26 104 }
eencae 0:026fa541af7a 105
el14rd 1:f682aeb462f1 106 void moveSnake()
el14rd 1:f682aeb462f1 107 {
el14rd 8:b01f638d23b4 108
el14rd 8:b01f638d23b4 109 if(joystick.direction == CENTRE) {
el14rd 4:41acda9d68c7 110 //snake.snakeX[0]+=1;
el14rd 4:41acda9d68c7 111 joystick.direction = CENTRE;
el14rd 3:04ff8cd27dd1 112 }
el14rd 4:41acda9d68c7 113 //else if(joystick.button == button){
el14rd 8:b01f638d23b4 114 // snake.snakeX[i]=snake.snakeX[i];
el14rd 8:b01f638d23b4 115 // snake.snakeY[i]=snake.snakeY[i];
el14rd 8:b01f638d23b4 116 // }
el14rd 8:b01f638d23b4 117 else if(joystick.direction == UNKNOWN) {
el14rd 8:b01f638d23b4 118 joystick.direction = UNKNOWN;
el14rd 8:b01f638d23b4 119 } else if(joystick.direction != UNKNOWN&&joystick.direction != CENTRE) {
el14rd 2:d7b17623ba26 120
el14rd 4:41acda9d68c7 121 if((joystick.direction == DOWN)&&(snake.direction!=LEFT)) {
el14rd 2:d7b17623ba26 122 snake.direction= RIGHT;
el14rd 4:41acda9d68c7 123 //snake.snakeX[0]+=1;
el14rd 8:b01f638d23b4 124
el14rd 4:41acda9d68c7 125 } else if((joystick.direction == UP)&&(snake.direction!=RIGHT)) {
el14rd 2:d7b17623ba26 126 snake.direction=LEFT;
el14rd 4:41acda9d68c7 127 //snake.snakeX[0]-=1;
el14rd 4:41acda9d68c7 128 } else if((joystick.direction == LEFT)&&(snake.direction!=DOWN)) {
el14rd 5:d8a06e7c54fb 129 snake.direction=UP;
el14rd 4:41acda9d68c7 130 //snake.snakeY[0]-=1;
el14rd 4:41acda9d68c7 131 } else if((joystick.direction == RIGHT)&&(snake.direction!=UP)) {
el14rd 5:d8a06e7c54fb 132 snake.direction=DOWN;
el14rd 4:41acda9d68c7 133 //snake.snakeY[0]+=1;
eencae 0:026fa541af7a 134 }
eencae 0:026fa541af7a 135
eencae 0:026fa541af7a 136 }
el14rd 8:b01f638d23b4 137
el14rd 2:d7b17623ba26 138 }
el14rd 2:d7b17623ba26 139
el14rd 2:d7b17623ba26 140 void initSnake()
el14rd 2:d7b17623ba26 141 {
el14rd 8:b01f638d23b4 142
el14rd 5:d8a06e7c54fb 143 snake.snakeX[0] = 16; //coordinate of head
el14rd 2:d7b17623ba26 144 snake.snakeY[0] = 10;
el14rd 5:d8a06e7c54fb 145 snake.snakeX[1] = 14;
el14rd 2:d7b17623ba26 146 snake.snakeY[1] = 10;
el14rd 4:41acda9d68c7 147 snake.snakeX[2] = 12;
el14rd 2:d7b17623ba26 148 snake.snakeY[2] = 10;
el14rd 5:d8a06e7c54fb 149 snake.snakeX[3] = 10;
el14rd 2:d7b17623ba26 150 snake.snakeY[3] = 10;
el14rd 5:d8a06e7c54fb 151 snake.node = 6; //node of snake
el14rd 4:41acda9d68c7 152 snake.direction = RIGHT;
el14rd 8:b01f638d23b4 153
el14rd 5:d8a06e7c54fb 154 }
el14rd 8:b01f638d23b4 155
el14rd 8:b01f638d23b4 156
el14rd 1:f682aeb462f1 157 void drawSnake()
el14rd 8:b01f638d23b4 158 {
el14rd 8:b01f638d23b4 159
el14rd 8:b01f638d23b4 160 for(i=0; i<snake.node-1; i++) {
el14rd 5:d8a06e7c54fb 161 lcd.drawCircle(snake.snakeX[i],snake.snakeY[i],1,1);
el14rd 5:d8a06e7c54fb 162 //lcd.setPixel(snake.snakeX[i],snake.snakeY[i]);
el14rd 8:b01f638d23b4 163
el14rd 8:b01f638d23b4 164 }
el14rd 8:b01f638d23b4 165
el14rd 1:f682aeb462f1 166 }
el14rd 1:f682aeb462f1 167
el14rd 1:f682aeb462f1 168 void startGmae()
el14rd 1:f682aeb462f1 169 {
el14rd 8:b01f638d23b4 170 //nutFlag = 1;
el14rd 5:d8a06e7c54fb 171 //lifeFlag = 0;
el14rd 2:d7b17623ba26 172 //snake.direction=LEFT;
el14rd 8:b01f638d23b4 173
el14rd 6:290173d4a22d 174 if((snake.snakeX[0]==nut.X)&&(snake.snakeY[0]==nut.Y)) { // if snake got nut ||(snake.snakeX[0]==nut.X-1)&&(snake.snakeY[0]==nut.Y-1)||(snake.snakeY[0]==nut.Y+1)&&(snake.snakeY[0]==nut.Y+1
el14rd 8:b01f638d23b4 175 snake.node+=1;
el14rd 8:b01f638d23b4 176 nutFlag=0; // new nut appear
el14rd 8:b01f638d23b4 177 buzzer.period(1/frequency[1]); // set PWM period
el14rd 8:b01f638d23b4 178 buzzer=0.1; // set duty cycle
el14rd 3:04ff8cd27dd1 179 }
el14rd 8:b01f638d23b4 180
el14rd 8:b01f638d23b4 181 if((snake.snakeX[0]!=nut.X)||(snake.snakeY[0]!=nut.Y)) {
el14rd 8:b01f638d23b4 182 buzzer=0;
el14rd 8:b01f638d23b4 183 }
el14rd 8:b01f638d23b4 184
el14rd 3:04ff8cd27dd1 185 if(nutFlag==0) { //set nut randomly
el14rd 1:f682aeb462f1 186 nut.X = rand()%83;
el14rd 1:f682aeb462f1 187 nut.Y = rand()%47;
el14rd 3:04ff8cd27dd1 188 nutFlag = 1;
el14rd 1:f682aeb462f1 189 }
el14rd 2:d7b17623ba26 190
el14rd 8:b01f638d23b4 191
el14rd 8:b01f638d23b4 192 for(i=3; i<snake.node; i++) { //if snake collide itself snake die
el14rd 8:b01f638d23b4 193 if(snake.snakeX[i]==snake.snakeX[0] && snake.snakeY[i]==snake.snakeY[0]) {
el14rd 8:b01f638d23b4 194 lifeFlag=1;
el14rd 7:69ae0585d11a 195 }
el14rd 8:b01f638d23b4 196 }
el14rd 8:b01f638d23b4 197
el14rd 8:b01f638d23b4 198
el14rd 8:b01f638d23b4 199 for(i=snake.node-1; i>0; i--) { //move snake
el14rd 8:b01f638d23b4 200 if(snake.snakeX[0]>1||snake.snakeX[0]<83||snake.snakeY[0]>1||snake.snakeY[0]<47) {
el14rd 8:b01f638d23b4 201 snake.snakeX[i]=snake.snakeX[i-1];
el14rd 8:b01f638d23b4 202 snake.snakeY[i]=snake.snakeY[i-1];
el14rd 8:b01f638d23b4 203 } else {
el14rd 8:b01f638d23b4 204 snake.snakeX[i]=snake.snakeX[i];
el14rd 8:b01f638d23b4 205 snake.snakeY[i]=snake.snakeY[i];
el14rd 8:b01f638d23b4 206 }
el14rd 8:b01f638d23b4 207 }
el14rd 8:b01f638d23b4 208
el14rd 1:f682aeb462f1 209
el14rd 1:f682aeb462f1 210 if(snake.snakeX[0]<1||snake.snakeX[0]>83||snake.snakeY[0]<1||snake.snakeY[0]>47) {
el14rd 5:d8a06e7c54fb 211 lifeFlag=1; // snake collide the corrider snake die
el14rd 1:f682aeb462f1 212 }
el14rd 8:b01f638d23b4 213
el14rd 1:f682aeb462f1 214 }
el14rd 1:f682aeb462f1 215
el14rd 8:b01f638d23b4 216 void printScore()
el14rd 8:b01f638d23b4 217 {
el14rd 6:290173d4a22d 218 lcd.printString("Your Score is",0,0);
el14rd 6:290173d4a22d 219 int score=snake.node-6;
el14rd 6:290173d4a22d 220 int length = sprintf(buffer," SCORE=%2d ",score);
el14rd 8:b01f638d23b4 221 lcd.printString(buffer,0,2 );
el14rd 6:290173d4a22d 222 lcd.printString("Press to start",0,4);
el14rd 8:b01f638d23b4 223 }
el14rd 7:69ae0585d11a 224
el14rd 8:b01f638d23b4 225 void buttonPressed()
el14rd 8:b01f638d23b4 226 {
el14rd 8:b01f638d23b4 227 buttonFlag =1;
el14rd 7:69ae0585d11a 228 }
el14rd 7:69ae0585d11a 229
el14rd 8:b01f638d23b4 230 void snakeModel()
el14rd 8:b01f638d23b4 231 {
el14rd 8:b01f638d23b4 232 for(int i=0; i<25; i+=5) {
el14rd 8:b01f638d23b4 233 lcd.clear();
el14rd 8:b01f638d23b4 234 lcd.printString("Press to start",1,1);
el14rd 8:b01f638d23b4 235
el14rd 8:b01f638d23b4 236 lcd.drawRect(44-i,21,1,1,1);
el14rd 8:b01f638d23b4 237 lcd.drawRect(46-i,21,1,1,1);
el14rd 8:b01f638d23b4 238 lcd.drawRect(48-i,21,1,1,1);
el14rd 8:b01f638d23b4 239
el14rd 8:b01f638d23b4 240 lcd.drawRect(42-i,23,1,1,1);
el14rd 8:b01f638d23b4 241 lcd.drawRect(44-i,23,1,1,1);
el14rd 8:b01f638d23b4 242 lcd.drawRect(46-i,23,1,1,1);
el14rd 8:b01f638d23b4 243 lcd.drawRect(48-i,23,1,1,1);
el14rd 8:b01f638d23b4 244
el14rd 8:b01f638d23b4 245 lcd.drawRect(40-i,25,1,1,1);
el14rd 8:b01f638d23b4 246 lcd.drawRect(42-i,25,1,1,1);
el14rd 8:b01f638d23b4 247 lcd.drawRect(44-i,25,1,1,1);
el14rd 8:b01f638d23b4 248 lcd.drawRect(46-i,25,1,1,1);
el14rd 8:b01f638d23b4 249 lcd.drawRect(48-i,25,1,1,1);
el14rd 8:b01f638d23b4 250 lcd.drawRect(50-i,25,1,1,1);
el14rd 8:b01f638d23b4 251
el14rd 8:b01f638d23b4 252 lcd.drawRect(40-i,27,1,1,1);
el14rd 8:b01f638d23b4 253 lcd.drawRect(42-i,27,1,1,1);
el14rd 8:b01f638d23b4 254 lcd.drawRect(44-i,27,1,1,1);
el14rd 8:b01f638d23b4 255 lcd.drawRect(46-i,27,1,1,1);
el14rd 8:b01f638d23b4 256 lcd.drawRect(48-i,27,1,1,1);
el14rd 8:b01f638d23b4 257 lcd.drawRect(50-i,27,1,1,1);//head
el14rd 8:b01f638d23b4 258
el14rd 8:b01f638d23b4 259 lcd.drawRect(38-i,29,1,1,0); //tougue
el14rd 8:b01f638d23b4 260 lcd.drawRect(40-i,31,1,1,0);
el14rd 8:b01f638d23b4 261
el14rd 8:b01f638d23b4 262 lcd.drawRect(46-i,29,1,1,1);
el14rd 8:b01f638d23b4 263 lcd.drawRect(48-i,29,1,1,1);
el14rd 8:b01f638d23b4 264 lcd.drawRect(50-i,29,1,1,1);
el14rd 8:b01f638d23b4 265
el14rd 8:b01f638d23b4 266 lcd.drawRect(46-i,31,1,1,1);
el14rd 8:b01f638d23b4 267 lcd.drawRect(48-i,31,1,1,1);
el14rd 8:b01f638d23b4 268 lcd.drawRect(50-i,31,1,1,1);
el14rd 8:b01f638d23b4 269
el14rd 8:b01f638d23b4 270 lcd.drawRect(44-i,33,1,1,1);
el14rd 8:b01f638d23b4 271 lcd.drawRect(46-i,33,1,1,1);
el14rd 8:b01f638d23b4 272 lcd.drawRect(48-i,33,1,1,1);
el14rd 8:b01f638d23b4 273
el14rd 8:b01f638d23b4 274 lcd.drawRect(44-i,35,1,1,1);
el14rd 8:b01f638d23b4 275 lcd.drawRect(46-i,35,1,1,1);
el14rd 8:b01f638d23b4 276 lcd.drawRect(48-i,35,1,1,1);
el14rd 8:b01f638d23b4 277
el14rd 8:b01f638d23b4 278 lcd.drawRect(42-i,37,1,1,1);
el14rd 8:b01f638d23b4 279 lcd.drawRect(44-i,37,1,1,1);
el14rd 8:b01f638d23b4 280 lcd.drawRect(46-i,37,1,1,1);
el14rd 6:290173d4a22d 281
el14rd 8:b01f638d23b4 282 lcd.drawRect(42-i,39,1,1,1);
el14rd 8:b01f638d23b4 283 lcd.drawRect(44-i,39,1,1,1);
el14rd 8:b01f638d23b4 284 lcd.drawRect(46-i,39,1,1,1);
el14rd 8:b01f638d23b4 285
el14rd 8:b01f638d23b4 286 lcd.drawRect(44-i,41,1,1,1);
el14rd 8:b01f638d23b4 287 lcd.drawRect(46-i,41,1,1,1);
el14rd 8:b01f638d23b4 288 lcd.drawRect(48-i,41,1,1,1);
el14rd 8:b01f638d23b4 289 lcd.drawRect(50-i,41,1,1,1);//neck
el14rd 8:b01f638d23b4 290
el14rd 8:b01f638d23b4 291 lcd.drawRect(80-i,41,1,1,1);//tail
el14rd 8:b01f638d23b4 292 lcd.drawRect(82-i,41,1,1,1);
el14rd 8:b01f638d23b4 293 lcd.drawRect(84-i,41,1,1,1);
el14rd 8:b01f638d23b4 294
el14rd 8:b01f638d23b4 295 lcd.drawRect(82-i,39,1,1,1);
el14rd 8:b01f638d23b4 296 lcd.drawRect(84-i,39,1,1,1);
el14rd 8:b01f638d23b4 297
el14rd 8:b01f638d23b4 298 lcd.drawRect(82-i,37,1,1,1);
el14rd 8:b01f638d23b4 299
el14rd 8:b01f638d23b4 300 lcd.drawRect(80-i,35,1,1,1);//tail
el14rd 8:b01f638d23b4 301
el14rd 8:b01f638d23b4 302 lcd.drawRect(46-i,43,1,1,1);
el14rd 8:b01f638d23b4 303 lcd.drawRect(48-i,43,1,1,1);
el14rd 8:b01f638d23b4 304 lcd.drawRect(50-i,43,1,1,1);
el14rd 8:b01f638d23b4 305 lcd.drawRect(52-i,43,1,1,1);
el14rd 8:b01f638d23b4 306 lcd.drawRect(54-i,43,1,1,1);
el14rd 8:b01f638d23b4 307 lcd.drawRect(56-i,43,1,1,1);
el14rd 8:b01f638d23b4 308 lcd.drawRect(58-i,43,1,1,1);
el14rd 8:b01f638d23b4 309 lcd.drawRect(60-i,43,1,1,1);
el14rd 8:b01f638d23b4 310 lcd.drawRect(62-i,43,1,1,1);
el14rd 8:b01f638d23b4 311 lcd.drawRect(64-i,43,1,1,1);
el14rd 8:b01f638d23b4 312 lcd.drawRect(66-i,43,1,1,1);
el14rd 8:b01f638d23b4 313 lcd.drawRect(68-i,43,1,1,1);
el14rd 8:b01f638d23b4 314 lcd.drawRect(70-i,43,1,1,1);
el14rd 8:b01f638d23b4 315 lcd.drawRect(72-i,43,1,1,1);
el14rd 8:b01f638d23b4 316 lcd.drawRect(74-i,43,1,1,1);
el14rd 8:b01f638d23b4 317 lcd.drawRect(76-i,43,1,1,1);
el14rd 8:b01f638d23b4 318 lcd.drawRect(78-i,43,1,1,1);
el14rd 8:b01f638d23b4 319 lcd.drawRect(80-i,43,1,1,1);
el14rd 8:b01f638d23b4 320 lcd.drawRect(82-i,43,1,1,1);
el14rd 8:b01f638d23b4 321
el14rd 8:b01f638d23b4 322 lcd.drawRect(48-i,45,1,1,1);
el14rd 8:b01f638d23b4 323 lcd.drawRect(50-i,45,1,1,1);
el14rd 8:b01f638d23b4 324 lcd.drawRect(52-i,45,1,1,1);
el14rd 8:b01f638d23b4 325 lcd.drawRect(54-i,45,1,1,1);
el14rd 8:b01f638d23b4 326 lcd.drawRect(56-i,45,1,1,1);
el14rd 8:b01f638d23b4 327 lcd.drawRect(58-i,45,1,1,1);
el14rd 8:b01f638d23b4 328 lcd.drawRect(60-i,45,1,1,1);
el14rd 8:b01f638d23b4 329 lcd.drawRect(62-i,45,1,1,1);
el14rd 8:b01f638d23b4 330 lcd.drawRect(64-i,45,1,1,1);
el14rd 8:b01f638d23b4 331 lcd.drawRect(66-i,45,1,1,1);
el14rd 8:b01f638d23b4 332 lcd.drawRect(68-i,45,1,1,1);
el14rd 8:b01f638d23b4 333 lcd.drawRect(70-i,45,1,1,1);
el14rd 8:b01f638d23b4 334 lcd.drawRect(72-i,45,1,1,1);
el14rd 8:b01f638d23b4 335 lcd.drawRect(74-i,45,1,1,1);
el14rd 8:b01f638d23b4 336 lcd.drawRect(76-i,45,1,1,1);
el14rd 8:b01f638d23b4 337 lcd.drawRect(78-i,45,1,1,1);
el14rd 8:b01f638d23b4 338 lcd.drawRect(80-i,45,1,1,1);
el14rd 7:69ae0585d11a 339 wait(0.5);
el14rd 8:b01f638d23b4 340 //lcd.refresh();
el14rd 7:69ae0585d11a 341 }
el14rd 8:b01f638d23b4 342
el14rd 8:b01f638d23b4 343 }
el14rd 1:f682aeb462f1 344 //switch(snake.direction)
el14rd 1:f682aeb462f1 345 //{
el14rd 1:f682aeb462f1 346 // case RIGHT:snake.X[0]+=1;
el14rd 1:f682aeb462f1 347 // break;    
el14rd 1:f682aeb462f1 348 // case LEFT:snake.X[0]-=1;
el14rd 1:f682aeb462f1 349 // break;     
el14rd 1:f682aeb462f1 350 // case UP:snake.Y[0]-=1;
el14rd 1:f682aeb462f1 351 // break;
el14rd 1:f682aeb462f1 352 // case DOWN:snake.Y[0]+=1;
el14rd 1:f682aeb462f1 353 // break;
el14rd 1:f682aeb462f1 354 // }
el14rd 1:f682aeb462f1 355
el14rd 1:f682aeb462f1 356 //end of while(joystick.direction = UNKNOWN)
el14rd 1:f682aeb462f1 357
el14rd 1:f682aeb462f1 358
eencae 0:026fa541af7a 359 // read default positions of the joystick to calibrate later readings
eencae 0:026fa541af7a 360 void calibrateJoystick()
eencae 0:026fa541af7a 361 {
eencae 0:026fa541af7a 362 button.mode(PullDown);
eencae 0:026fa541af7a 363 // must not move during calibration
eencae 0:026fa541af7a 364 joystick.x0 = xPot; // initial positions in the range 0.0 to 1.0 (0.5 if centred exactly)
eencae 0:026fa541af7a 365 joystick.y0 = yPot;
eencae 0:026fa541af7a 366 }
el14rd 1:f682aeb462f1 367
el14rd 2:d7b17623ba26 368
eencae 0:026fa541af7a 369 void updateJoystick()
eencae 0:026fa541af7a 370 {
el14rd 9:c8ea9b4af873 371 //led1=1;
eencae 0:026fa541af7a 372 // read current joystick values relative to calibrated values (in range -0.5 to 0.5, 0.0 is centred)
eencae 0:026fa541af7a 373 joystick.x = xPot - joystick.x0;
eencae 0:026fa541af7a 374 joystick.y = yPot - joystick.y0;
eencae 0:026fa541af7a 375 // read button state
eencae 0:026fa541af7a 376 joystick.button = button;
eencae 0:026fa541af7a 377
eencae 0:026fa541af7a 378 // calculate direction depending on x,y values
eencae 0:026fa541af7a 379 // tolerance allows a little lee-way in case joystick not exactly in the stated direction
eencae 0:026fa541af7a 380 if ( fabs(joystick.y) < DIRECTION_TOLERANCE && fabs(joystick.x) < DIRECTION_TOLERANCE) {
eencae 0:026fa541af7a 381 joystick.direction = CENTRE;
eencae 0:026fa541af7a 382 } else if ( joystick.y > DIRECTION_TOLERANCE && fabs(joystick.x) < DIRECTION_TOLERANCE) {
eencae 0:026fa541af7a 383 joystick.direction = UP;
eencae 0:026fa541af7a 384 } else if ( joystick.y < DIRECTION_TOLERANCE && fabs(joystick.x) < DIRECTION_TOLERANCE) {
eencae 0:026fa541af7a 385 joystick.direction = DOWN;
el14rd 4:41acda9d68c7 386 //LIGHT LED2
eencae 0:026fa541af7a 387 } else if ( joystick.x > DIRECTION_TOLERANCE && fabs(joystick.y) < DIRECTION_TOLERANCE) {
eencae 0:026fa541af7a 388 joystick.direction = RIGHT;
el14rd 4:41acda9d68c7 389 //LIGHT LED3
eencae 0:026fa541af7a 390 } else if ( joystick.x < DIRECTION_TOLERANCE && fabs(joystick.y) < DIRECTION_TOLERANCE) {
eencae 0:026fa541af7a 391 joystick.direction = LEFT;
eencae 0:026fa541af7a 392 } else {
eencae 0:026fa541af7a 393 joystick.direction = UNKNOWN;
eencae 0:026fa541af7a 394 }
eencae 0:026fa541af7a 395 // set flag for printing
eencae 0:026fa541af7a 396 printFlag = 1;
el14rd 1:f682aeb462f1 397 }
el14rd 1:f682aeb462f1 398
el14rd 1:f682aeb462f1 399 void updateSnake()
el14rd 1:f682aeb462f1 400 {
el14rd 1:f682aeb462f1 401 // get direction of joystick and update snake
el14rd 4:41acda9d68c7 402 if (snake.direction == LEFT) {
el14rd 7:69ae0585d11a 403 snake.snakeX[0]-=1;
el14rd 4:41acda9d68c7 404 //LED1
el14rd 4:41acda9d68c7 405 if(snake.snakeX[0]<1) {
el14rd 4:41acda9d68c7 406 snake.snakeX[0]=1;
el14rd 8:b01f638d23b4 407
el14rd 1:f682aeb462f1 408 }//will stop at the top edge
el14rd 1:f682aeb462f1 409
el14rd 1:f682aeb462f1 410 }
el14rd 4:41acda9d68c7 411 if (snake.direction == RIGHT) {
el14rd 7:69ae0585d11a 412 snake.snakeX[0]+=1;
el14rd 4:41acda9d68c7 413 //LED2
el14rd 4:41acda9d68c7 414 if(snake.snakeX[0]>83) {
el14rd 4:41acda9d68c7 415 snake.snakeX[0]=83;
el14rd 1:f682aeb462f1 416 }//will stop at the bottom edge
el14rd 1:f682aeb462f1 417 }
el14rd 4:41acda9d68c7 418 if (snake.direction == UP) {
el14rd 7:69ae0585d11a 419 snake.snakeY[0]-=1;
el14rd 4:41acda9d68c7 420 if(snake.snakeY[0]>47) {
el14rd 4:41acda9d68c7 421 snake.snakeY[0]=47;
el14rd 1:f682aeb462f1 422 }//will stop at the left edge
el14rd 1:f682aeb462f1 423
el14rd 1:f682aeb462f1 424 }
el14rd 4:41acda9d68c7 425 if (snake.direction == DOWN) {
el14rd 7:69ae0585d11a 426 snake.snakeY[0]+=1;
el14rd 4:41acda9d68c7 427 if(snake.snakeY[0]<1) {
el14rd 4:41acda9d68c7 428 snake.snakeY[0]=1;
el14rd 1:f682aeb462f1 429 }//will stop at the right edge
el14rd 1:f682aeb462f1 430
el14rd 1:f682aeb462f1 431 }
el14rd 8:b01f638d23b4 432 if(snake.direction == CENTRE) {
el14rd 4:41acda9d68c7 433 snake.snakeX[0]+=1;
el14rd 8:b01f638d23b4 434 }
el14rd 8:b01f638d23b4 435 if(snake.direction == UNKNOWN) {
el14rd 5:d8a06e7c54fb 436 snake.snakeX[0]+=1;
el14rd 8:b01f638d23b4 437 }
el14rd 1:f682aeb462f1 438 }
el14rd 1:f682aeb462f1 439
el14rd 1:f682aeb462f1 440
el14rd 1:f682aeb462f1 441 //main code
el14rd 1:f682aeb462f1 442 int main()
el14rd 1:f682aeb462f1 443 {
el14rd 9:c8ea9b4af873 444 //led1=1;
el14rd 1:f682aeb462f1 445 lcd.init();
el14rd 1:f682aeb462f1 446 lcd.setBrightness(0.5); // put LED backlight on 50%
el14rd 1:f682aeb462f1 447 calibrateJoystick(); // get centred values of joystick
el14rd 1:f682aeb462f1 448 pollJoystick.attach(&updateJoystick,1.0/10.0); // read joystick 10 times per second
el14rd 1:f682aeb462f1 449 lcd.refresh();
el14rd 2:d7b17623ba26 450 initNut();
el14rd 2:d7b17623ba26 451 initSnake();
el14rd 8:b01f638d23b4 452 button.rise(&buttonPressed);
el14rd 8:b01f638d23b4 453 buttonA.mode(PullDown);
el14rd 1:f682aeb462f1 454 //infinite while loop
el14rd 1:f682aeb462f1 455 while(1) {
el14rd 9:c8ea9b4af873 456 led2=1;
el14rd 8:b01f638d23b4 457 if(buttonFlag==0) { //joystick button unpressed
el14rd 8:b01f638d23b4 458 lcd.printString("Press to start",1,1);
el14rd 8:b01f638d23b4 459 snakeModel();
el14rd 8:b01f638d23b4 460 } else {
el14rd 8:b01f638d23b4 461
el14rd 8:b01f638d23b4 462 leds = 0;
el14rd 8:b01f638d23b4 463
el14rd 8:b01f638d23b4 464 if(buttonA) { // if button pressed, toggle pause
el14rd 8:b01f638d23b4 465 wait_ms(50);
el14rd 8:b01f638d23b4 466 pause = !pause;
el14rd 8:b01f638d23b4 467 leds = 15;
el14rd 9:c8ea9b4af873 468 led2=0;
el14rd 9:c8ea9b4af873 469 led1=1;
el14rd 8:b01f638d23b4 470 }
el14rd 8:b01f638d23b4 471
el14rd 8:b01f638d23b4 472 while(pause) {
el14rd 8:b01f638d23b4 473 leds = 3;
el14rd 8:b01f638d23b4 474 if(buttonA) { // if button pressed, toggle pause
el14rd 8:b01f638d23b4 475 wait_ms(50);
el14rd 8:b01f638d23b4 476 pause = 0;
el14rd 8:b01f638d23b4 477 leds = 1;
el14rd 9:c8ea9b4af873 478 led2=1;
el14rd 9:c8ea9b4af873 479 led1=0;
el14rd 8:b01f638d23b4 480
el14rd 8:b01f638d23b4 481 }
el14rd 8:b01f638d23b4 482 }
el14rd 8:b01f638d23b4 483 }
el14rd 8:b01f638d23b4 484
el14rd 8:b01f638d23b4 485
el14rd 1:f682aeb462f1 486 lcd.clear();
el14rd 5:d8a06e7c54fb 487 lifeFlag=0;
el14rd 1:f682aeb462f1 488 updateSnake();
el14rd 1:f682aeb462f1 489 drawSnake();
el14rd 2:d7b17623ba26 490 drawNut();
el14rd 1:f682aeb462f1 491 moveSnake();
el14rd 1:f682aeb462f1 492 startGmae();
el14rd 8:b01f638d23b4 493 lcd.refresh();
el14rd 8:b01f638d23b4 494 wait(0.08);
el14rd 8:b01f638d23b4 495 //pauseGame();
el14rd 8:b01f638d23b4 496 //if (buttonFlag==1){
el14rd 8:b01f638d23b4 497 //while(1){
el14rd 8:b01f638d23b4 498 // buttonFlag =0;
el14rd 8:b01f638d23b4 499 //if(buttonFlag ==1)
el14rd 8:b01f638d23b4 500 // break;
el14rd 8:b01f638d23b4 501 //}
el14rd 8:b01f638d23b4 502 // }
el14rd 8:b01f638d23b4 503 if(lifeFlag==1) {
el14rd 8:b01f638d23b4 504 lcd.clear();
el14rd 8:b01f638d23b4 505 lcd.refresh();
el14rd 8:b01f638d23b4 506 printScore();
el14rd 8:b01f638d23b4 507 for(int i=0; i<=11; i++) {
el14rd 8:b01f638d23b4 508 buzzer.period(1/(frequency[i])); // set PWM period
el14rd 8:b01f638d23b4 509 buzzer=0.1; // set duty cycle
el14rd 8:b01f638d23b4 510 wait(0.5*beat[i]);
el14rd 8:b01f638d23b4 511 }
el14rd 9:c8ea9b4af873 512 buzzer=0;
el14rd 8:b01f638d23b4 513 }
el14rd 9:c8ea9b4af873 514 led1=1;
el14rd 9:c8ea9b4af873 515 ain = pot.read();
el14rd 9:c8ea9b4af873 516 lcd.setBrightness(ain);
el14rd 9:c8ea9b4af873 517 lcd.refresh();
el14rd 8:b01f638d23b4 518
el14rd 8:b01f638d23b4 519 }
el14rd 8:b01f638d23b4 520
el14rd 9:c8ea9b4af873 521
el14rd 1:f682aeb462f1 522 }
el14rd 1:f682aeb462f1 523