ELEC2645 (2015/16) / Mbed 2 deprecated Flappyball

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Dependencies:   N5110 mbed

main.cpp@2:748d7682d43c, 2016-05-05 (annotated)

Committer:
JasonYang
Date:
Thu May 05 09:51:40 2016 +0000
Revision:
2:748d7682d43c
Parent:
1:e28c7063fcd6 
el15qy; SID:200986056

Who changed what in which revision?

UserRevisionLine numberNew contents of line
JasonYang 0:e27445dfcf3f 1 #include "main.h"
JasonYang 2:748d7682d43c 2 // this game is similar to flappy bird
JasonYang 2:748d7682d43c 3 // the ball will always drop so player should use joystick up
JasonYang 2:748d7682d43c 4 // if the ball touch the ground or half ball over the highest line, the game will finish
JasonYang 2:748d7682d43c 5 // if the ball touch the line, the game will finish
JasonYang 2:748d7682d43c 6 // press button could stop the game and press again to play
JasonYang 2:748d7682d43c 7 // when the game start, the led will fliker
JasonYang 2:748d7682d43c 8 // when the game finish, the buzzer will sound
JasonYang 0:e27445dfcf3f 9 int main()
JasonYang 0:e27445dfcf3f 10 {
JasonYang 0:e27445dfcf3f 11 // first need to initialise display+
JasonYang 0:e27445dfcf3f 12 lcd.init();
JasonYang 0:e27445dfcf3f 13 button.fall(&ting);
JasonYang 0:e27445dfcf3f 14 button.mode(PullDown);
JasonYang 0:e27445dfcf3f 15
JasonYang 0:e27445dfcf3f 16 //show the name of this game
JasonYang 0:e27445dfcf3f 17 lcd.printString("Flappy ball",10,1); //show game name
JasonYang 0:e27445dfcf3f 18 lcd.printString("YangQing",10,3); //show desgin name
JasonYang 0:e27445dfcf3f 19 lcd.printString("200986056",10,5); //show student code
JasonYang 0:e27445dfcf3f 20
JasonYang 0:e27445dfcf3f 21 wait(0.5); //keep screen 0.5s
JasonYang 0:e27445dfcf3f 22 lcd.clear(); //clear screen show another screen
JasonYang 0:e27445dfcf3f 23
JasonYang 0:e27445dfcf3f 24 //just simulate the loading
JasonYang 0:e27445dfcf3f 25 lcd.printString("LOADING...",8,2);
JasonYang 0:e27445dfcf3f 26 char loading [14];
JasonYang 0:e27445dfcf3f 27 for (int a = 0; a<=100; a = a+20) {
JasonYang 0:e27445dfcf3f 28 sprintf(loading,"%d %%",a);
JasonYang 0:e27445dfcf3f 29 lcd.printString(loading,18,4);
JasonYang 0:e27445dfcf3f 30 wait(0.5);
JasonYang 0:e27445dfcf3f 31 }
JasonYang 0:e27445dfcf3f 32 lcd.clear(); //clear screen show another screen
JasonYang 0:e27445dfcf3f 33 ticker.attach(&yellow,0.1); //make yellow light work, lip per 0.1s
JasonYang 0:e27445dfcf3f 34
JasonYang 0:e27445dfcf3f 35 // normal colour mode back
JasonYang 0:e27445dfcf3f 36 lcd.normalMode();
JasonYang 0:e27445dfcf3f 37 // put LED backlight on 50%
JasonYang 0:e27445dfcf3f 38 lcd.setBrightness(0.5);
JasonYang 0:e27445dfcf3f 39
JasonYang 0:e27445dfcf3f 40
JasonYang 0:e27445dfcf3f 41
JasonYang 0:e27445dfcf3f 42 calibrateJoystick(); // get centred values of joystick
JasonYang 0:e27445dfcf3f 43 pollJoystick.attach(&updateJoystick,1.0/10.0); // read joystick 10 times per second
JasonYang 0:e27445dfcf3f 44
JasonYang 0:e27445dfcf3f 45
JasonYang 0:e27445dfcf3f 46 while(1) {
JasonYang 0:e27445dfcf3f 47
JasonYang 0:e27445dfcf3f 48
JasonYang 0:e27445dfcf3f 49 // can directly print strings at specified co-ordinates
JasonYang 0:e27445dfcf3f 50 if(stop == true) {
JasonYang 0:e27445dfcf3f 51
JasonYang 0:e27445dfcf3f 52 if (printFlag) { // if flag set, clear flag and print joystick values to serial port
JasonYang 0:e27445dfcf3f 53 printFlag = 0;
JasonYang 0:e27445dfcf3f 54
JasonYang 0:e27445dfcf3f 55 // use a random variable to change the height of vartical line.
JasonYang 0:e27445dfcf3f 56 if ( linex1<0 ) {
JasonYang 0:e27445dfcf3f 57 linex1 = 80; // for first line the strat x-axis is 80
JasonYang 0:e27445dfcf3f 58 liney1 =rand()%48+30;//random value from 30 to 48
JasonYang 0:e27445dfcf3f 59 }
JasonYang 0:e27445dfcf3f 60
JasonYang 0:e27445dfcf3f 61 if ( linex2<0 ) {
JasonYang 0:e27445dfcf3f 62 linex2 = 80; // for second line the strat x-axis is 80
JasonYang 0:e27445dfcf3f 63 liney2 =rand()%48+30;//random value from 30 to 48
JasonYang 0:e27445dfcf3f 64 }
JasonYang 0:e27445dfcf3f 65
JasonYang 0:e27445dfcf3f 66 if ( linex3<0 ) {
JasonYang 0:e27445dfcf3f 67 linex3 = 80; // for third line the strat x-axis is 80
JasonYang 0:e27445dfcf3f 68 liney3 =rand()%48+20;//random value from 20 to 48
JasonYang 0:e27445dfcf3f 69 }
JasonYang 0:e27445dfcf3f 70
JasonYang 0:e27445dfcf3f 71 if ( linex4<0 ) {
JasonYang 0:e27445dfcf3f 72 linex4 = 80; // for fourth line the strat x-axis is 80
JasonYang 0:e27445dfcf3f 73 liney4 =rand()%48+10; //random value from 10 to 48
JasonYang 0:e27445dfcf3f 74 }
JasonYang 0:e27445dfcf3f 75 if ( linex5<0 ) {
JasonYang 0:e27445dfcf3f 76 linex5 = 81; // for fifth line the strat x-axis is 81
JasonYang 0:e27445dfcf3f 77 liney5 =rand()%48+10; //random value from 10 to 48
JasonYang 0:e27445dfcf3f 78 }
JasonYang 0:e27445dfcf3f 79
JasonYang 0:e27445dfcf3f 80 // let x variable refuce to make these lines like moving to left
JasonYang 0:e27445dfcf3f 81 linex1--;
JasonYang 0:e27445dfcf3f 82 linex2--;
JasonYang 0:e27445dfcf3f 83 linex3--;
JasonYang 0:e27445dfcf3f 84 linex4--;
JasonYang 0:e27445dfcf3f 85 linex5--;
JasonYang 0:e27445dfcf3f 86 lcd.clear();
JasonYang 0:e27445dfcf3f 87
JasonYang 0:e27445dfcf3f 88 // use linex and liney to draw lines
JasonYang 0:e27445dfcf3f 89 lcd.drawLine(linex1,liney1,linex1,48,1); // draw first line
JasonYang 0:e27445dfcf3f 90 lcd.drawLine(linex2,liney2,linex2,48,1); // draw second line
JasonYang 0:e27445dfcf3f 91 lcd.drawLine(linex3,liney3,linex3,48,1); // draw third line
JasonYang 0:e27445dfcf3f 92 lcd.drawLine(linex4,liney4,linex4,48,1); // draw fourth line
JasonYang 0:e27445dfcf3f 93 lcd.drawLine(linex5,liney5,linex5,48,1); // draw fifth line
JasonYang 0:e27445dfcf3f 94
JasonYang 0:e27445dfcf3f 95 // check joystick direction
JasonYang 0:e27445dfcf3f 96 if (joystick.direction == UP ) {
JasonYang 0:e27445dfcf3f 97 d-=1; // let ball move to up
JasonYang 0:e27445dfcf3f 98 char score [14]; // char score variable
JasonYang 0:e27445dfcf3f 99 sprintf(score,"%d %",s); // let score show s vaule
JasonYang 0:e27445dfcf3f 100 s++; // s increase 1
JasonYang 0:e27445dfcf3f 101 touch();
JasonYang 0:e27445dfcf3f 102 if (flag) {
JasonYang 0:e27445dfcf3f 103 lcd.clear(); //clean screen
JasonYang 0:e27445dfcf3f 104 lcd.printString("Game over",5,1);//show game over
JasonYang 0:e27445dfcf3f 105 lcd.printString("Score:",5,4); //show score on screen
JasonYang 0:e27445dfcf3f 106 lcd.printString(score,45,4);
JasonYang 0:e27445dfcf3f 107 buzzer.period(0.001); //game over and buzzer work for 0.001 frequency
JasonYang 0:e27445dfcf3f 108 buzzer = 0.5; //the volume strong
JasonYang 0:e27445dfcf3f 109 wait(1.0);
JasonYang 0:e27445dfcf3f 110 break; //game break
JasonYang 0:e27445dfcf3f 111 }
JasonYang 0:e27445dfcf3f 112 lcd.drawCircle(c,d,4,0); //draw circle
JasonYang 0:e27445dfcf3f 113 }
JasonYang 0:e27445dfcf3f 114
JasonYang 0:e27445dfcf3f 115 if (joystick.direction == DOWN /*&& d > 5*/) {
JasonYang 0:e27445dfcf3f 116 d+=1; // let ball move down
JasonYang 0:e27445dfcf3f 117 char score [14]; // char score variable
JasonYang 0:e27445dfcf3f 118 sprintf(score,"%d %",s); // let score show s vaule
JasonYang 0:e27445dfcf3f 119 s++; // s increase 1
JasonYang 0:e27445dfcf3f 120 touch();
JasonYang 0:e27445dfcf3f 121 if (flag) {
JasonYang 0:e27445dfcf3f 122 lcd.clear(); //clean screen
JasonYang 0:e27445dfcf3f 123 lcd.printString("Game over",5,1);//show game over
JasonYang 0:e27445dfcf3f 124 lcd.printString("Score:",5,4); //show score on screen
JasonYang 0:e27445dfcf3f 125 lcd.printString(score,45,4);
JasonYang 0:e27445dfcf3f 126 buzzer.period(0.001); //game over and buzzer work for 0.001 frequency
JasonYang 0:e27445dfcf3f 127 buzzer = 0.5; //the volume strong
JasonYang 0:e27445dfcf3f 128 wait(1.0);
JasonYang 0:e27445dfcf3f 129 break; //game break
JasonYang 0:e27445dfcf3f 130 }
JasonYang 0:e27445dfcf3f 131 lcd.drawCircle(c,d,4,0); //draw circle
JasonYang 0:e27445dfcf3f 132 }
JasonYang 0:e27445dfcf3f 133
JasonYang 0:e27445dfcf3f 134 if (joystick.direction == LEFT ) {
JasonYang 0:e27445dfcf3f 135 c+=1; // let ball move to left
JasonYang 0:e27445dfcf3f 136 char score [14]; // char score variable
JasonYang 0:e27445dfcf3f 137 sprintf(score,"%d %",s); // let score show s vaule
JasonYang 0:e27445dfcf3f 138 s++; // s increase 1
JasonYang 0:e27445dfcf3f 139 touch();
JasonYang 0:e27445dfcf3f 140 if (flag) {
JasonYang 0:e27445dfcf3f 141 lcd.clear(); //clean screen
JasonYang 0:e27445dfcf3f 142 lcd.printString("Game over",5,1);//show game over
JasonYang 0:e27445dfcf3f 143 lcd.printString("Score:",5,4); //show score on screen
JasonYang 0:e27445dfcf3f 144 lcd.printString(score,45,4);
JasonYang 0:e27445dfcf3f 145 buzzer.period(0.001); //game over and buzzer work for 0.001 frequency
JasonYang 0:e27445dfcf3f 146 buzzer = 0.5; //the volume strong
JasonYang 0:e27445dfcf3f 147 wait(1.0);
JasonYang 0:e27445dfcf3f 148 break; //game break
JasonYang 0:e27445dfcf3f 149 }
JasonYang 0:e27445dfcf3f 150 lcd.drawCircle(c,d,4,0); //draw circle
JasonYang 0:e27445dfcf3f 151 }
JasonYang 0:e27445dfcf3f 152
JasonYang 0:e27445dfcf3f 153 if (joystick.direction == RIGHT ) {
JasonYang 0:e27445dfcf3f 154 c-=1; // let ball move to right
JasonYang 0:e27445dfcf3f 155 char score [14]; // char score variable
JasonYang 0:e27445dfcf3f 156 sprintf(score,"%d %",s); // let score show s vaule
JasonYang 0:e27445dfcf3f 157 s++; // s increase 1
JasonYang 0:e27445dfcf3f 158 touch();
JasonYang 0:e27445dfcf3f 159 if (flag) {
JasonYang 0:e27445dfcf3f 160 lcd.clear(); //clean screen
JasonYang 0:e27445dfcf3f 161 lcd.printString("Game over",5,1);//show game over
JasonYang 0:e27445dfcf3f 162 lcd.printString("Score:",5,4); //show score on screen
JasonYang 0:e27445dfcf3f 163 lcd.printString(score,45,4);
JasonYang 0:e27445dfcf3f 164 buzzer.period(0.001); //game over and buzzer work for 0.001 frequency
JasonYang 0:e27445dfcf3f 165 buzzer = 0.5; //the volume strong
JasonYang 0:e27445dfcf3f 166 wait(1.0);
JasonYang 0:e27445dfcf3f 167 break; //game break
JasonYang 0:e27445dfcf3f 168 }
JasonYang 0:e27445dfcf3f 169 lcd.drawCircle(c,d,4,0); //draw circle
JasonYang 0:e27445dfcf3f 170 }
JasonYang 0:e27445dfcf3f 171
JasonYang 0:e27445dfcf3f 172 if (joystick.direction == CENTRE ) {
JasonYang 0:e27445dfcf3f 173 d+=1; // make ball always fall down
JasonYang 0:e27445dfcf3f 174 char score [14]; // char score variable
JasonYang 0:e27445dfcf3f 175 sprintf(score,"%d %",s); // let score show s vaule
JasonYang 0:e27445dfcf3f 176 s++; // s increase 1
JasonYang 0:e27445dfcf3f 177 touch();
JasonYang 0:e27445dfcf3f 178 if (flag) {
JasonYang 0:e27445dfcf3f 179 lcd.clear(); //clean screen
JasonYang 0:e27445dfcf3f 180 lcd.printString("Game over",5,1);//show game over
JasonYang 0:e27445dfcf3f 181 lcd.printString("Score:",5,4); //show score on screen
JasonYang 0:e27445dfcf3f 182 lcd.printString(score,45,4);
JasonYang 0:e27445dfcf3f 183 buzzer.period(0.001); //game over and buzzer work for 0.001 frequency
JasonYang 0:e27445dfcf3f 184 buzzer = 0.5; //the volume strong
JasonYang 0:e27445dfcf3f 185 wait(1.0);
JasonYang 0:e27445dfcf3f 186 break; //game break
JasonYang 0:e27445dfcf3f 187 }
JasonYang 0:e27445dfcf3f 188 lcd.drawCircle(c,d,4,0); //draw circle
JasonYang 0:e27445dfcf3f 189 }
JasonYang 0:e27445dfcf3f 190
JasonYang 0:e27445dfcf3f 191 }
JasonYang 0:e27445dfcf3f 192 lcd.refresh();
JasonYang 0:e27445dfcf3f 193 } else {
JasonYang 0:e27445dfcf3f 194 lcd.clear();
JasonYang 0:e27445dfcf3f 195 lcd.printString("Press to play",0,3); //when game stop to show
JasonYang 0:e27445dfcf3f 196 lcd.refresh();
JasonYang 0:e27445dfcf3f 197 }
JasonYang 0:e27445dfcf3f 198 sleep();
JasonYang 0:e27445dfcf3f 199 }
JasonYang 0:e27445dfcf3f 200 }
JasonYang 0:e27445dfcf3f 201
JasonYang 0:e27445dfcf3f 202
JasonYang 0:e27445dfcf3f 203
JasonYang 0:e27445dfcf3f 204 void calibrateJoystick()
JasonYang 0:e27445dfcf3f 205 {
JasonYang 0:e27445dfcf3f 206 button.mode(PullDown);
JasonYang 0:e27445dfcf3f 207 // must not move during calibration
JasonYang 0:e27445dfcf3f 208 joystick.x0 = xPot; // initial positions in the range 0.0 to 1.0 (0.5 if centred exactly)
JasonYang 0:e27445dfcf3f 209 joystick.y0 = yPot;
JasonYang 0:e27445dfcf3f 210 }
JasonYang 0:e27445dfcf3f 211 void updateJoystick()
JasonYang 0:e27445dfcf3f 212 {
JasonYang 0:e27445dfcf3f 213 // read current joystick values relative to calibrated values (in range -0.5 to 0.5, 0.0 is centred)
JasonYang 0:e27445dfcf3f 214 joystick.x = xPot - joystick.x0;
JasonYang 0:e27445dfcf3f 215 joystick.y = yPot - joystick.y0;
JasonYang 0:e27445dfcf3f 216 // read button state
JasonYang 0:e27445dfcf3f 217 joystick.button = button;
JasonYang 0:e27445dfcf3f 218
JasonYang 0:e27445dfcf3f 219 // calculate direction depending on x,y values
JasonYang 0:e27445dfcf3f 220 // tolerance allows a little lee-way in case joystick not exactly in the stated direction
JasonYang 0:e27445dfcf3f 221 if ( fabs(joystick.y) < DIRECTION_TOLERANCE && fabs(joystick.x) < DIRECTION_TOLERANCE) {
JasonYang 0:e27445dfcf3f 222 joystick.direction = CENTRE;
JasonYang 0:e27445dfcf3f 223 } else if ( joystick.y > DIRECTION_TOLERANCE && fabs(joystick.x) < DIRECTION_TOLERANCE) {
JasonYang 0:e27445dfcf3f 224 joystick.direction = UP;
JasonYang 0:e27445dfcf3f 225 } else if ( joystick.y < DIRECTION_TOLERANCE && fabs(joystick.x) < DIRECTION_TOLERANCE) {
JasonYang 0:e27445dfcf3f 226 joystick.direction = DOWN;
JasonYang 0:e27445dfcf3f 227 } else if ( joystick.x > DIRECTION_TOLERANCE && fabs(joystick.y) < DIRECTION_TOLERANCE) {
JasonYang 0:e27445dfcf3f 228 joystick.direction = RIGHT;
JasonYang 0:e27445dfcf3f 229 } else if ( joystick.x < DIRECTION_TOLERANCE && fabs(joystick.y) < DIRECTION_TOLERANCE) {
JasonYang 0:e27445dfcf3f 230 joystick.direction = LEFT;
JasonYang 0:e27445dfcf3f 231 } else {
JasonYang 0:e27445dfcf3f 232 joystick.direction = UNKNOWN;
JasonYang 0:e27445dfcf3f 233 }
JasonYang 0:e27445dfcf3f 234
JasonYang 0:e27445dfcf3f 235 // set flag for printing
JasonYang 0:e27445dfcf3f 236 printFlag = 1;
JasonYang 0:e27445dfcf3f 237 }
JasonYang 0:e27445dfcf3f 238
JasonYang 0:e27445dfcf3f 239 // this function is to judge whether it touch or mot
JasonYang 0:e27445dfcf3f 240 void touch()
JasonYang 0:e27445dfcf3f 241 {
JasonYang 0:e27445dfcf3f 242 // these information is the condition of judgment
JasonYang 0:e27445dfcf3f 243 if (lcd.getPixel(c,d+4)||d+4==47||d==-4||lcd.getPixel(-4+c,d)||lcd.getPixel(4+c,d)||lcd.getPixel(c,d-4)||lcd.getPixel(c-1,d-4)||lcd.getPixel(c-2,d-4)||lcd.getPixel(c+1,d-3)) {
JasonYang 0:e27445dfcf3f 244 // flag = 1 means the conduction is achieved
JasonYang 0:e27445dfcf3f 245 flag=1;
JasonYang 0:e27445dfcf3f 246 } else {
JasonYang 0:e27445dfcf3f 247 flag=0;
JasonYang 0:e27445dfcf3f 248 }
JasonYang 0:e27445dfcf3f 249 }
JasonYang 0:e27445dfcf3f 250
JasonYang 0:e27445dfcf3f 251 void yellow() //the function judge yellow lights lip
JasonYang 0:e27445dfcf3f 252 {
JasonYang 0:e27445dfcf3f 253 yellow_led =! yellow_led;
JasonYang 0:e27445dfcf3f 254 }
JasonYang 0:e27445dfcf3f 255
JasonYang 0:e27445dfcf3f 256 void ting() // the function judge tp stop game
JasonYang 0:e27445dfcf3f 257 {
JasonYang 0:e27445dfcf3f 258 stop = !stop;
JasonYang 0:e27445dfcf3f 259 }