Dan Tomlinson / Mbed 2 deprecated mbed_TESTTOWER

A retro gaming programme, designed for use on a portable embedded system. Incorporates power saving techniques.

Dependencies:   ConfigFile N5110 PowerControl beep mbed

main.cpp@3:57bab3b1c974, 2015-04-13 (annotated)

Committer:
el13drt
Date:
Mon Apr 13 20:59:14 2015 +0000
Revision:
3:57bab3b1c974
Parent:
2:8fac5562ed1e
Child:
4:c6305031f80d
pre EXIT MENU

Who changed what in which revision?

UserRevisionLine numberNew contents of line
el13drt 0:a8bc3aac5f69 1 /**
el13drt 0:a8bc3aac5f69 2 @file main.cpp
el13drt 0:a8bc3aac5f69 3 @brief Program implementation
el13drt 0:a8bc3aac5f69 4 */
el13drt 0:a8bc3aac5f69 5
el13drt 0:a8bc3aac5f69 6 #include "mbed.h"
el13drt 0:a8bc3aac5f69 7 #include "N5110.h"
el13drt 0:a8bc3aac5f69 8
el13drt 0:a8bc3aac5f69 9 #include <ctime>
el13drt 0:a8bc3aac5f69 10 #include <cstdlib>
el13drt 0:a8bc3aac5f69 11
el13drt 0:a8bc3aac5f69 12 // change this to alter tolerance of joystick direction
el13drt 0:a8bc3aac5f69 13 #define DIRECTION_TOLERANCE 0.05
el13drt 0:a8bc3aac5f69 14
el13drt 0:a8bc3aac5f69 15 // VCC,SCE,RST,D/C,MOSI,SCLK,LED - set pins for LCD
el13drt 0:a8bc3aac5f69 16 N5110 lcd(p7,p8,p9,p10,p11,p13,p22);
el13drt 0:a8bc3aac5f69 17
el13drt 0:a8bc3aac5f69 18 // navigation/action buttons
el13drt 0:a8bc3aac5f69 19 DigitalIn buttonA(p19);
el13drt 0:a8bc3aac5f69 20 DigitalIn buttonB(p20);
el13drt 0:a8bc3aac5f69 21
el13drt 3:57bab3b1c974 22 // LED indicators
el13drt 3:57bab3b1c974 23 AnalogOut ledR(p18);// RED LED
el13drt 3:57bab3b1c974 24 DigitalOut ledY(p24);// YELLOW LED
el13drt 3:57bab3b1c974 25
el13drt 0:a8bc3aac5f69 26 // connections for joystick
el13drt 3:57bab3b1c974 27 DigitalIn button(p17);
el13drt 0:a8bc3aac5f69 28 AnalogIn xPot(p15);
el13drt 0:a8bc3aac5f69 29 AnalogIn yPot(p16);
el13drt 0:a8bc3aac5f69 30
el13drt 0:a8bc3aac5f69 31 // boundary conditions
el13drt 0:a8bc3aac5f69 32 int cells [84][48];
el13drt 0:a8bc3aac5f69 33
el13drt 0:a8bc3aac5f69 34 // Globabl Variables /////////////////////////
el13drt 0:a8bc3aac5f69 35
el13drt 0:a8bc3aac5f69 36 // global variables for movement
el13drt 0:a8bc3aac5f69 37 int a1 = 22;
el13drt 0:a8bc3aac5f69 38 int a2 = 24;
el13drt 0:a8bc3aac5f69 39 int a3 = 23;
el13drt 0:a8bc3aac5f69 40 int a4 = 25;
el13drt 0:a8bc3aac5f69 41 int a5 = 20;
el13drt 0:a8bc3aac5f69 42 int a6 = 26;
el13drt 0:a8bc3aac5f69 43 int a7 = 19;
el13drt 0:a8bc3aac5f69 44 int a8 = 21;
el13drt 0:a8bc3aac5f69 45
el13drt 0:a8bc3aac5f69 46 //global variable for random X co-ordinates
el13drt 0:a8bc3aac5f69 47 int randX1;
el13drt 0:a8bc3aac5f69 48 int randX2;
el13drt 0:a8bc3aac5f69 49 int randX3;
el13drt 0:a8bc3aac5f69 50 int randX4;
el13drt 0:a8bc3aac5f69 51 int randX5;
el13drt 0:a8bc3aac5f69 52 int randX6;
el13drt 0:a8bc3aac5f69 53
el13drt 0:a8bc3aac5f69 54 // global variable for random Y co-ordinates
el13drt 0:a8bc3aac5f69 55 int randY1 = 0;
el13drt 0:a8bc3aac5f69 56 int randY2 = 0;
el13drt 0:a8bc3aac5f69 57 int randY3 = 0;
el13drt 0:a8bc3aac5f69 58 int randY4 = 0;
el13drt 0:a8bc3aac5f69 59 int randY5 = 0;
el13drt 0:a8bc3aac5f69 60 int randY6 = 0;
el13drt 0:a8bc3aac5f69 61
el13drt 0:a8bc3aac5f69 62 // timer to regularly read the joystick
el13drt 0:a8bc3aac5f69 63 Ticker pollJoystick;
el13drt 1:352c50e88ffa 64
el13drt 3:57bab3b1c974 65 // serial for debug
el13drt 0:a8bc3aac5f69 66 Serial serial(USBTX,USBRX);
el13drt 0:a8bc3aac5f69 67
el13drt 0:a8bc3aac5f69 68 // create enumerated type (0,1,2,3 etc. for direction)
el13drt 0:a8bc3aac5f69 69 // could be extended for diagonals etc.
el13drt 0:a8bc3aac5f69 70 enum DirectionName {
el13drt 0:a8bc3aac5f69 71 UP,
el13drt 0:a8bc3aac5f69 72 DOWN,
el13drt 0:a8bc3aac5f69 73 LEFT,
el13drt 0:a8bc3aac5f69 74 RIGHT,
el13drt 0:a8bc3aac5f69 75 CENTRE,
el13drt 0:a8bc3aac5f69 76 UNKNOWN
el13drt 0:a8bc3aac5f69 77 };
el13drt 0:a8bc3aac5f69 78
el13drt 0:a8bc3aac5f69 79 // struct for Joystick
el13drt 0:a8bc3aac5f69 80 typedef struct JoyStick Joystick;
el13drt 0:a8bc3aac5f69 81 struct JoyStick {
el13drt 0:a8bc3aac5f69 82 float x; // current x value
el13drt 0:a8bc3aac5f69 83 float x0; // 'centred' x value
el13drt 0:a8bc3aac5f69 84 float y; // current y value
el13drt 0:a8bc3aac5f69 85 float y0; // 'centred' y value
el13drt 0:a8bc3aac5f69 86 int button; // button state (assume pull-down used, so 1 = pressed, 0 = unpressed)
el13drt 0:a8bc3aac5f69 87 DirectionName direction; // current direction
el13drt 0:a8bc3aac5f69 88 };
el13drt 0:a8bc3aac5f69 89
el13drt 0:a8bc3aac5f69 90 // create struct variable
el13drt 0:a8bc3aac5f69 91 Joystick joystick;
el13drt 0:a8bc3aac5f69 92
el13drt 0:a8bc3aac5f69 93 int printFlag = 0;
el13drt 0:a8bc3aac5f69 94
el13drt 0:a8bc3aac5f69 95 // function prototypes
el13drt 0:a8bc3aac5f69 96 void calibrateJoystick();
el13drt 0:a8bc3aac5f69 97 void updateJoystick();
el13drt 0:a8bc3aac5f69 98
el13drt 0:a8bc3aac5f69 99 //intro screen
el13drt 0:a8bc3aac5f69 100 void welcome()
el13drt 0:a8bc3aac5f69 101 {
el13drt 0:a8bc3aac5f69 102 //bottom border
el13drt 0:a8bc3aac5f69 103 lcd.drawRect(0,44,84,2,1);
el13drt 0:a8bc3aac5f69 104
el13drt 0:a8bc3aac5f69 105 //top border
el13drt 0:a8bc3aac5f69 106 lcd.drawRect(0,1,84,2,1);
el13drt 0:a8bc3aac5f69 107
el13drt 0:a8bc3aac5f69 108 //print initials 'DRT'
el13drt 0:a8bc3aac5f69 109 lcd.printChar('D',30,14);
el13drt 0:a8bc3aac5f69 110 wait(0.6);
el13drt 0:a8bc3aac5f69 111 lcd.printChar('R',37,14);
el13drt 0:a8bc3aac5f69 112 wait(0.6);
el13drt 0:a8bc3aac5f69 113 lcd.printChar('T',44,14);
el13drt 0:a8bc3aac5f69 114 wait(0.6);
el13drt 0:a8bc3aac5f69 115
el13drt 0:a8bc3aac5f69 116 //print 'presents...'
el13drt 0:a8bc3aac5f69 117 lcd.printString("presents...",8,21);
el13drt 0:a8bc3aac5f69 118 wait(1.0);
el13drt 0:a8bc3aac5f69 119
el13drt 0:a8bc3aac5f69 120 //dramatic flashing
el13drt 0:a8bc3aac5f69 121 lcd.inverseMode();
el13drt 0:a8bc3aac5f69 122 wait(0.2);
el13drt 0:a8bc3aac5f69 123 lcd.normalMode();
el13drt 0:a8bc3aac5f69 124 wait(0.2);
el13drt 0:a8bc3aac5f69 125 lcd.inverseMode();
el13drt 0:a8bc3aac5f69 126 wait(0.2);
el13drt 0:a8bc3aac5f69 127 lcd.normalMode();
el13drt 0:a8bc3aac5f69 128 wait(1.0);
el13drt 0:a8bc3aac5f69 129
el13drt 0:a8bc3aac5f69 130 //more dramatic flashing
el13drt 0:a8bc3aac5f69 131 lcd.inverseMode();
el13drt 0:a8bc3aac5f69 132 wait(0.2);
el13drt 0:a8bc3aac5f69 133 lcd.normalMode();
el13drt 0:a8bc3aac5f69 134 wait(0.2);
el13drt 0:a8bc3aac5f69 135 lcd.inverseMode();
el13drt 0:a8bc3aac5f69 136 wait(0.2);
el13drt 0:a8bc3aac5f69 137 lcd.normalMode();
el13drt 0:a8bc3aac5f69 138 wait(0.6);
el13drt 0:a8bc3aac5f69 139 }
el13drt 0:a8bc3aac5f69 140
el13drt 0:a8bc3aac5f69 141 //selection menu///////////////////////////////////////////
el13drt 0:a8bc3aac5f69 142 void mainMenu()
el13drt 0:a8bc3aac5f69 143 {
el13drt 0:a8bc3aac5f69 144 //bottom border
el13drt 0:a8bc3aac5f69 145 lcd.drawRect(0,47,84,0,1);
el13drt 0:a8bc3aac5f69 146 //top border
el13drt 0:a8bc3aac5f69 147 lcd.drawRect(0,0,84,2,1);
el13drt 0:a8bc3aac5f69 148
el13drt 0:a8bc3aac5f69 149 //print 'Xtreme Tower'
el13drt 0:a8bc3aac5f69 150 lcd.printString("Xtreme",4,25);
el13drt 0:a8bc3aac5f69 151 lcd.printString("Tower",44,25);
el13drt 0:a8bc3aac5f69 152
el13drt 0:a8bc3aac5f69 153 //title outline
el13drt 0:a8bc3aac5f69 154 lcd.drawRect(3,6,77,10,0);
el13drt 0:a8bc3aac5f69 155
el13drt 0:a8bc3aac5f69 156 ////castle //x, y, w, h, fill//////////////////////
el13drt 0:a8bc3aac5f69 157
el13drt 0:a8bc3aac5f69 158 //castle main bulk
el13drt 0:a8bc3aac5f69 159 lcd.drawRect(59,32,21,8,1);
el13drt 0:a8bc3aac5f69 160
el13drt 0:a8bc3aac5f69 161 //left window bulk
el13drt 0:a8bc3aac5f69 162 lcd.drawRect(59,22,2,10,1);
el13drt 0:a8bc3aac5f69 163 //centre left window bulk
el13drt 0:a8bc3aac5f69 164 lcd.drawRect(65,22,2,10,1);
el13drt 0:a8bc3aac5f69 165 //centre right window bulk
el13drt 0:a8bc3aac5f69 166 lcd.drawRect(72,22,2,10,1);
el13drt 0:a8bc3aac5f69 167 //right window bulk
el13drt 0:a8bc3aac5f69 168 lcd.drawRect(78,22,2,10,1);
el13drt 0:a8bc3aac5f69 169 //central window bulk
el13drt 0:a8bc3aac5f69 170 lcd.drawRect(68,25,3,7,1);
el13drt 0:a8bc3aac5f69 171
el13drt 0:a8bc3aac5f69 172 //central window bulk
el13drt 0:a8bc3aac5f69 173 lcd.drawRect(75,28,0,0,1);
el13drt 0:a8bc3aac5f69 174 lcd.drawRect(77,28,0,0,1);
el13drt 0:a8bc3aac5f69 175 lcd.drawRect(64,28,0,0,1);
el13drt 0:a8bc3aac5f69 176 lcd.drawRect(62,28,0,0,1);
el13drt 0:a8bc3aac5f69 177
el13drt 0:a8bc3aac5f69 178 //above left window bulk
el13drt 0:a8bc3aac5f69 179 lcd.drawRect(62,25,3,2,1);
el13drt 0:a8bc3aac5f69 180 //above right window bulk
el13drt 0:a8bc3aac5f69 181 lcd.drawRect(75,25,2,2,1);
el13drt 0:a8bc3aac5f69 182
el13drt 0:a8bc3aac5f69 183 //lower right line
el13drt 0:a8bc3aac5f69 184 lcd.drawRect(71,42,9,0,1);
el13drt 0:a8bc3aac5f69 185 //upper right line
el13drt 0:a8bc3aac5f69 186 lcd.drawRect(70,41,10,0,1);
el13drt 0:a8bc3aac5f69 187
el13drt 0:a8bc3aac5f69 188 //upper left line
el13drt 0:a8bc3aac5f69 189 lcd.drawRect(59,41,10,0,1);
el13drt 0:a8bc3aac5f69 190 //lower left line
el13drt 0:a8bc3aac5f69 191 lcd.drawRect(59,42,9,0,1);
el13drt 0:a8bc3aac5f69 192
el13drt 0:a8bc3aac5f69 193 //bottom left bulk
el13drt 0:a8bc3aac5f69 194 lcd.drawRect(59,43,8,3,1);
el13drt 0:a8bc3aac5f69 195 //bottom right bulk
el13drt 0:a8bc3aac5f69 196 lcd.drawRect(72,43,8,3,1);
el13drt 0:a8bc3aac5f69 197
el13drt 0:a8bc3aac5f69 198 //option arrows - lower
el13drt 0:a8bc3aac5f69 199 lcd.drawRect(27,42,4,0,1);
el13drt 0:a8bc3aac5f69 200 lcd.drawRect(28,43,2,0,1);
el13drt 0:a8bc3aac5f69 201 lcd.drawRect(29,44,0,0,1);
el13drt 0:a8bc3aac5f69 202
el13drt 0:a8bc3aac5f69 203 //option arrows - higher
el13drt 0:a8bc3aac5f69 204 lcd.drawRect(27,29,4,0,1);
el13drt 0:a8bc3aac5f69 205 lcd.drawRect(28,28,2,0,1);
el13drt 0:a8bc3aac5f69 206 lcd.drawRect(29,27,0,0,1);
el13drt 0:a8bc3aac5f69 207
el13drt 0:a8bc3aac5f69 208 //present options
el13drt 0:a8bc3aac5f69 209 lcd.printString("Play Game",3,4);
el13drt 0:a8bc3aac5f69 210
el13drt 0:a8bc3aac5f69 211 }
el13drt 0:a8bc3aac5f69 212
el13drt 0:a8bc3aac5f69 213 // static background
el13drt 0:a8bc3aac5f69 214 void backGround()
el13drt 0:a8bc3aac5f69 215 {
el13drt 0:a8bc3aac5f69 216 // x, y, w, h, fill - draw ground
el13drt 0:a8bc3aac5f69 217 lcd.drawRect(0,47,84,0,1);
el13drt 0:a8bc3aac5f69 218
el13drt 0:a8bc3aac5f69 219 // x, y, w, h, fill - draw left wall
el13drt 0:a8bc3aac5f69 220 lcd.drawRect(2,0,0,47,1);
el13drt 0:a8bc3aac5f69 221 // left wall - brick line 1
el13drt 0:a8bc3aac5f69 222 for(int x=0; x<47; x+=4)
el13drt 0:a8bc3aac5f69 223 lcd.drawLine(1,1,1,48,2);
el13drt 0:a8bc3aac5f69 224 // left wall - brick line 2
el13drt 0:a8bc3aac5f69 225 for(int x=0; x<47; x+=4)
el13drt 0:a8bc3aac5f69 226 lcd.drawLine(0,0,0,48,2);
el13drt 0:a8bc3aac5f69 227
el13drt 0:a8bc3aac5f69 228 // x, y, w, h, fill - draw right wall
el13drt 0:a8bc3aac5f69 229 lcd.drawRect(81,0,0,47,1);
el13drt 0:a8bc3aac5f69 230 // right wall - brick line 1
el13drt 0:a8bc3aac5f69 231 for(int x=0; x<WIDTH; x+=4)
el13drt 0:a8bc3aac5f69 232 lcd.drawLine(82,0,82,48,2);
el13drt 0:a8bc3aac5f69 233 // right wall - brick line 2
el13drt 0:a8bc3aac5f69 234 for(int x=0; x<WIDTH; x+=4)
el13drt 0:a8bc3aac5f69 235 lcd.drawLine(83,1,83,48,2);
el13drt 0:a8bc3aac5f69 236
el13drt 0:a8bc3aac5f69 237 lcd.refresh();
el13drt 0:a8bc3aac5f69 238 }
el13drt 0:a8bc3aac5f69 239
el13drt 0:a8bc3aac5f69 240 //pixel ninja character
el13drt 0:a8bc3aac5f69 241 void pixelNinja()
el13drt 0:a8bc3aac5f69 242 {
el13drt 0:a8bc3aac5f69 243 //x, y, w, h, fill - left leg
el13drt 0:a8bc3aac5f69 244 lcd.drawRect(a1,39,0,7,1);
el13drt 0:a8bc3aac5f69 245 //right leg
el13drt 0:a8bc3aac5f69 246 lcd.drawRect(a2,39,0,7,1);
el13drt 0:a8bc3aac5f69 247 //centre stick
el13drt 0:a8bc3aac5f69 248 lcd.drawRect(a3,37,0,7,1);
el13drt 0:a8bc3aac5f69 249 //back of the head
el13drt 0:a8bc3aac5f69 250 lcd.drawRect(a1,33,0,4,1);
el13drt 0:a8bc3aac5f69 251 //top of the head
el13drt 0:a8bc3aac5f69 252 lcd.drawRect(a1,33,4,0,1);
el13drt 0:a8bc3aac5f69 253 //jaw
el13drt 0:a8bc3aac5f69 254 lcd.drawRect(a2,38,2,0,1);
el13drt 0:a8bc3aac5f69 255 //right shoulder
el13drt 0:a8bc3aac5f69 256 lcd.drawRect(a4,40,1,0,1);
el13drt 0:a8bc3aac5f69 257 //left shoulder
el13drt 0:a8bc3aac5f69 258 lcd.drawRect(a5,40,1,0,1);
el13drt 0:a8bc3aac5f69 259 //left arm
el13drt 0:a8bc3aac5f69 260 lcd.drawRect(a5,41,0,1,1);
el13drt 0:a8bc3aac5f69 261 //right arm
el13drt 0:a8bc3aac5f69 262 lcd.drawRect(a6,41,0,1,1);
el13drt 0:a8bc3aac5f69 263 //right eye
el13drt 0:a8bc3aac5f69 264 lcd.drawRect(a6,35,0,0,1);
el13drt 0:a8bc3aac5f69 265 //mouth piece
el13drt 0:a8bc3aac5f69 266 lcd.drawRect(a6,37,0,0,1);
el13drt 0:a8bc3aac5f69 267 //left eye
el13drt 0:a8bc3aac5f69 268 lcd.drawRect(a2,35,0,0,1);
el13drt 0:a8bc3aac5f69 269 //sword handle
el13drt 0:a8bc3aac5f69 270 lcd.drawRect(a7,36,0,0,1);
el13drt 0:a8bc3aac5f69 271 lcd.drawRect(a5,37,0,0,1);
el13drt 0:a8bc3aac5f69 272 lcd.drawRect(a8,38,0,0,1);
el13drt 0:a8bc3aac5f69 273
el13drt 0:a8bc3aac5f69 274 }
el13drt 0:a8bc3aac5f69 275
el13drt 3:57bab3b1c974 276 // when player gets struck, game ends
el13drt 0:a8bc3aac5f69 277 void endGame()
el13drt 0:a8bc3aac5f69 278 {
el13drt 0:a8bc3aac5f69 279 int n = 0;
el13drt 0:a8bc3aac5f69 280
el13drt 3:57bab3b1c974 281 // contact points
el13drt 3:57bab3b1c974 282 if(lcd.getPixel((a1+4),32))
el13drt 3:57bab3b1c974 283 n++;
el13drt 3:57bab3b1c974 284 if(lcd.getPixel((a1),32))
el13drt 3:57bab3b1c974 285 n++;
el13drt 3:57bab3b1c974 286 if(lcd.getPixel((a7),32))
el13drt 0:a8bc3aac5f69 287 n++;
el13drt 0:a8bc3aac5f69 288
el13drt 3:57bab3b1c974 289 // play again option
el13drt 0:a8bc3aac5f69 290 if ( n !=0) {
el13drt 3:57bab3b1c974 291 lcd.printString("Game Over!!",8,25);
el13drt 3:57bab3b1c974 292 wait(0.5);
el13drt 3:57bab3b1c974 293 lcd.inverseMode();
el13drt 3:57bab3b1c974 294 wait(0.5);
el13drt 3:57bab3b1c974 295 lcd.normalMode();
el13drt 3:57bab3b1c974 296 wait(0.5);
el13drt 3:57bab3b1c974 297 lcd.inverseMode();
el13drt 3:57bab3b1c974 298 wait(0.5);
el13drt 3:57bab3b1c974 299 lcd.normalMode();
el13drt 3:57bab3b1c974 300 wait(0.5);
el13drt 3:57bab3b1c974 301 lcd.printString("Play Again?",8,25);
el13drt 3:57bab3b1c974 302 lcd.printString("YES",20,2);
el13drt 3:57bab3b1c974 303 lcd.printString("NO",51,2);
el13drt 3:57bab3b1c974 304 wait(3.0);
el13drt 3:57bab3b1c974 305
el13drt 3:57bab3b1c974 306 if(buttonA == 1) {
el13drt 3:57bab3b1c974 307 }
el13drt 0:a8bc3aac5f69 308 }
el13drt 0:a8bc3aac5f69 309 }
el13drt 0:a8bc3aac5f69 310
el13drt 0:a8bc3aac5f69 311 // draws falling hazards
el13drt 0:a8bc3aac5f69 312 void hazards()
el13drt 0:a8bc3aac5f69 313 {
el13drt 0:a8bc3aac5f69 314 // X, Y, radius, fill
el13drt 0:a8bc3aac5f69 315 lcd.drawCircle(randX1,randY1,2,1);
el13drt 0:a8bc3aac5f69 316 lcd.drawCircle(randX2,randY2,2,1);
el13drt 0:a8bc3aac5f69 317 lcd.drawCircle(randX3,randY3,2,1);
el13drt 0:a8bc3aac5f69 318 lcd.drawCircle(randX4,randY4,2,1);
el13drt 0:a8bc3aac5f69 319 lcd.drawCircle(randX5,randY5,2,1);
el13drt 0:a8bc3aac5f69 320 lcd.drawCircle(randX6,randY6,2,1);
el13drt 0:a8bc3aac5f69 321
el13drt 0:a8bc3aac5f69 322 lcd.refresh();
el13drt 0:a8bc3aac5f69 323 }
el13drt 0:a8bc3aac5f69 324
el13drt 0:a8bc3aac5f69 325 // makes hazards fall - randomises X axis co-ordinates
el13drt 0:a8bc3aac5f69 326 void hazardFall()
el13drt 0:a8bc3aac5f69 327 {
el13drt 0:a8bc3aac5f69 328 // increments randY1 variables
el13drt 0:a8bc3aac5f69 329 // appearing to make them fall
el13drt 0:a8bc3aac5f69 330 randY1 = randY1+=2;
el13drt 0:a8bc3aac5f69 331 randY2 = randY2+=2;
el13drt 0:a8bc3aac5f69 332 randY3 = randY3+=2;
el13drt 0:a8bc3aac5f69 333 randY4 = randY4+=2;
el13drt 0:a8bc3aac5f69 334 randY5 = randY5+=2;
el13drt 0:a8bc3aac5f69 335 randY6 = randY6+=2;
el13drt 0:a8bc3aac5f69 336
el13drt 0:a8bc3aac5f69 337 // loops the objects once they 'hit the floor'
el13drt 0:a8bc3aac5f69 338 // this imitates a new set of objects falling
el13drt 0:a8bc3aac5f69 339
el13drt 0:a8bc3aac5f69 340 if (randY1>=48)
el13drt 0:a8bc3aac5f69 341 randY1=0;
el13drt 0:a8bc3aac5f69 342
el13drt 0:a8bc3aac5f69 343 if (randY2>=48)
el13drt 0:a8bc3aac5f69 344 randY2=0;
el13drt 0:a8bc3aac5f69 345
el13drt 0:a8bc3aac5f69 346 if (randY3>=48)
el13drt 0:a8bc3aac5f69 347 randY3=0;
el13drt 0:a8bc3aac5f69 348
el13drt 0:a8bc3aac5f69 349 if (randY4>=48)
el13drt 0:a8bc3aac5f69 350 randY4=0;
el13drt 0:a8bc3aac5f69 351
el13drt 0:a8bc3aac5f69 352 if (randY5>=48)
el13drt 0:a8bc3aac5f69 353 randY5=0;
el13drt 0:a8bc3aac5f69 354
el13drt 0:a8bc3aac5f69 355 // each time the objects loop, a new pseudo random value
el13drt 0:a8bc3aac5f69 356 // is assigned to the global variables (randX) to
el13drt 0:a8bc3aac5f69 357 // randomise their positions
el13drt 0:a8bc3aac5f69 358
el13drt 0:a8bc3aac5f69 359 if (randY6>=48) {
el13drt 0:a8bc3aac5f69 360 randY6=0;
el13drt 0:a8bc3aac5f69 361
el13drt 0:a8bc3aac5f69 362 randX1 = rand() % 74 + 5;// psuedo random number
el13drt 0:a8bc3aac5f69 363 randX2 = rand() % 74 + 5;// between 5 and 74
el13drt 0:a8bc3aac5f69 364 randX3 = rand() % 74 + 5;
el13drt 0:a8bc3aac5f69 365 randX4 = rand() % 74 + 5;
el13drt 0:a8bc3aac5f69 366 randX5 = rand() % 74 + 5;
el13drt 0:a8bc3aac5f69 367 randX6 = rand() % 74 + 5;
el13drt 0:a8bc3aac5f69 368 }
el13drt 0:a8bc3aac5f69 369 }
el13drt 0:a8bc3aac5f69 370
el13drt 0:a8bc3aac5f69 371 // clears old pixels and keeps set pixels
el13drt 0:a8bc3aac5f69 372 void startrek()
el13drt 0:a8bc3aac5f69 373 {
el13drt 0:a8bc3aac5f69 374 for (int i=3; i<81; i++)// loops through rows
el13drt 0:a8bc3aac5f69 375 for (int j=0; j<47; j++)
el13drt 0:a8bc3aac5f69 376 if (cells[i][j]) {// if there's a pixel then keep it
el13drt 0:a8bc3aac5f69 377 lcd.setPixel(i,j);
el13drt 0:a8bc3aac5f69 378 } else {
el13drt 0:a8bc3aac5f69 379 lcd.clearPixel(i,j);// else remove the old ones
el13drt 0:a8bc3aac5f69 380 }
el13drt 0:a8bc3aac5f69 381 lcd.refresh();
el13drt 0:a8bc3aac5f69 382 }
el13drt 0:a8bc3aac5f69 383
el13drt 3:57bab3b1c974 384 // sound / light when buttonA is closed
el13drt 3:57bab3b1c974 385 void actionButton()
el13drt 3:57bab3b1c974 386 {
el13drt 3:57bab3b1c974 387 buttonA.mode(PullDown);
el13drt 3:57bab3b1c974 388 if (buttonA == 1) {
el13drt 3:57bab3b1c974 389 ledY = 1;
el13drt 3:57bab3b1c974 390 } else {
el13drt 3:57bab3b1c974 391 ledY = 0;
el13drt 3:57bab3b1c974 392 }
el13drt 3:57bab3b1c974 393 }
el13drt 3:57bab3b1c974 394
el13drt 3:57bab3b1c974 395 // sound / light when buttonB is closed
el13drt 3:57bab3b1c974 396 void backButton()
el13drt 3:57bab3b1c974 397 {
el13drt 3:57bab3b1c974 398 buttonB.mode(PullDown);
el13drt 3:57bab3b1c974 399 if (buttonA == 1) {
el13drt 3:57bab3b1c974 400 ledY = 1;
el13drt 3:57bab3b1c974 401 } else {
el13drt 3:57bab3b1c974 402 ledY = 0;
el13drt 3:57bab3b1c974 403 }
el13drt 3:57bab3b1c974 404 }
el13drt 3:57bab3b1c974 405
el13drt 3:57bab3b1c974 406 // MAIN /////////////////////////////////////////////////
el13drt 3:57bab3b1c974 407
el13drt 0:a8bc3aac5f69 408 int main()
el13drt 0:a8bc3aac5f69 409 {
el13drt 0:a8bc3aac5f69 410 //////// set initial values - configurate joystick /////////////////////////////////
el13drt 1:352c50e88ffa 411
el13drt 3:57bab3b1c974 412 // Power indicator - RED LED
el13drt 3:57bab3b1c974 413 ledR = 1;
el13drt 3:57bab3b1c974 414
el13drt 3:57bab3b1c974 415 // initialize time seed for psuedo randomaisation
el13drt 0:a8bc3aac5f69 416 srand (time(NULL));
el13drt 0:a8bc3aac5f69 417
el13drt 0:a8bc3aac5f69 418 // generate random x co-ordinates for falling hazards
el13drt 0:a8bc3aac5f69 419 // (initial values only)
el13drt 0:a8bc3aac5f69 420 // value between 3 and 76
el13drt 0:a8bc3aac5f69 421 randX1 = rand() % 74 + 5;
el13drt 0:a8bc3aac5f69 422 randX2 = rand() % 74 + 5;
el13drt 0:a8bc3aac5f69 423 randX3 = rand() % 74 + 5;
el13drt 0:a8bc3aac5f69 424 randX4 = rand() % 74 + 5;
el13drt 0:a8bc3aac5f69 425 randX5 = rand() % 74 + 5;
el13drt 0:a8bc3aac5f69 426 randX6 = rand() % 74 + 5;
el13drt 0:a8bc3aac5f69 427
el13drt 0:a8bc3aac5f69 428 calibrateJoystick(); // get centred values of joystick
el13drt 0:a8bc3aac5f69 429 pollJoystick.attach(&updateJoystick,1.0/10.0); // read joystick 10 times per second
el13drt 0:a8bc3aac5f69 430
el13drt 1:352c50e88ffa 431 /////// initiate main menu //////////////////////////////////////////////////////////////
el13drt 1:352c50e88ffa 432
el13drt 0:a8bc3aac5f69 433 lcd.init();//initialise screen
el13drt 0:a8bc3aac5f69 434 welcome();//welcome screen
el13drt 0:a8bc3aac5f69 435 lcd.clear();//clear pixels
el13drt 0:a8bc3aac5f69 436 mainMenu();//menu screen
el13drt 0:a8bc3aac5f69 437
el13drt 1:352c50e88ffa 438 /////// Menu Selection Loop ////////////////////////////////////////////////////////////
el13drt 1:352c50e88ffa 439
el13drt 3:57bab3b1c974 440 // options counter
el13drt 1:352c50e88ffa 441 int option = 0;
el13drt 3:57bab3b1c974 442
el13drt 3:57bab3b1c974 443 // loop 1 - menu
el13drt 1:352c50e88ffa 444 while(1) {
el13drt 1:352c50e88ffa 445
el13drt 3:57bab3b1c974 446 // joystick selection
el13drt 3:57bab3b1c974 447 if (printFlag) { //if flag set, clear flag and print joystick values to serial port
el13drt 1:352c50e88ffa 448 printFlag = 0;
el13drt 1:352c50e88ffa 449 serial.printf("x = %f y = %f button = %d ",joystick.x,joystick.y,joystick.button);
el13drt 0:a8bc3aac5f69 450
el13drt 3:57bab3b1c974 451 // option up
el13drt 2:8fac5562ed1e 452 if (joystick.direction == UP) {
el13drt 1:352c50e88ffa 453 serial.printf(" UP\n");
el13drt 2:8fac5562ed1e 454 option = option--;
el13drt 3:57bab3b1c974 455 if (option < 0)option = 0;
el13drt 2:8fac5562ed1e 456 }
el13drt 3:57bab3b1c974 457 // option down
el13drt 2:8fac5562ed1e 458 if (joystick.direction == DOWN) {
el13drt 2:8fac5562ed1e 459 serial.printf(" DOWN\n");
el13drt 1:352c50e88ffa 460 option = option++;
el13drt 3:57bab3b1c974 461 if (option > 1)option = 1;
el13drt 1:352c50e88ffa 462 }
el13drt 2:8fac5562ed1e 463 // Centre / Unknown orientation
el13drt 2:8fac5562ed1e 464 if (joystick.direction == CENTRE)
el13drt 2:8fac5562ed1e 465 serial.printf(" CENTRE\n");
el13drt 2:8fac5562ed1e 466 if (joystick.direction == UNKNOWN)
el13drt 2:8fac5562ed1e 467 serial.printf(" Unsupported direction\n");
el13drt 3:57bab3b1c974 468
el13drt 3:57bab3b1c974 469 // 'Play Game' option 1
el13drt 1:352c50e88ffa 470 if (option == 0) {
el13drt 1:352c50e88ffa 471 lcd.printString("Play Game",3,4);
el13drt 1:352c50e88ffa 472 }
el13drt 3:57bab3b1c974 473 // 'Options' option 2
el13drt 1:352c50e88ffa 474 if (option == 1) {
el13drt 1:352c50e88ffa 475 lcd.printString(" Options ",3,4);
el13drt 1:352c50e88ffa 476 }
el13drt 3:57bab3b1c974 477 }
el13drt 3:57bab3b1c974 478 //////////// Game Loop /////////////////////////////////////////////////////////////
el13drt 3:57bab3b1c974 479
el13drt 3:57bab3b1c974 480 // 'Play Game' selected
el13drt 3:57bab3b1c974 481 if ((option == 0)&&(buttonA == 1)) {
el13drt 3:57bab3b1c974 482
el13drt 3:57bab3b1c974 483 backGround();
el13drt 3:57bab3b1c974 484
el13drt 3:57bab3b1c974 485 // loop 2 - Exit menu
el13drt 3:57bab3b1c974 486 while(1) {
el13drt 3:57bab3b1c974 487
el13drt 3:57bab3b1c974 488 // loop 3 - Game loop
el13drt 3:57bab3b1c974 489 while(buttonB != 1) {
el13drt 3:57bab3b1c974 490
el13drt 3:57bab3b1c974 491 pixelNinja();//set character
el13drt 3:57bab3b1c974 492 hazards();//initiates hazards
el13drt 3:57bab3b1c974 493 hazardFall();//increments hazards towards floor
el13drt 3:57bab3b1c974 494
el13drt 3:57bab3b1c974 495 if (printFlag) { //if flag set, clear flag and print joystick values to serial port
el13drt 3:57bab3b1c974 496 printFlag = 0;
el13drt 3:57bab3b1c974 497 serial.printf("x = %f y = %f button = %d ",joystick.x,joystick.y,joystick.button);
el13drt 3:57bab3b1c974 498
el13drt 3:57bab3b1c974 499 // check joystick direction
el13drt 3:57bab3b1c974 500 if (joystick.direction == LEFT) {
el13drt 3:57bab3b1c974 501 serial.printf(" LEFT\n");
el13drt 3:57bab3b1c974 502 a1 = a1-=2;
el13drt 3:57bab3b1c974 503 a2 = a2-=2;
el13drt 3:57bab3b1c974 504 a3 = a3-=2;
el13drt 3:57bab3b1c974 505 a4 = a4-=2;
el13drt 3:57bab3b1c974 506 a5 = a5-=2;
el13drt 3:57bab3b1c974 507 a6 = a6-=2;
el13drt 3:57bab3b1c974 508 a7 = a7-=2;
el13drt 3:57bab3b1c974 509 a8 = a8-=2;
el13drt 3:57bab3b1c974 510 }
el13drt 3:57bab3b1c974 511 if (joystick.direction == RIGHT) {
el13drt 3:57bab3b1c974 512 serial.printf(" RIGHT\n");
el13drt 3:57bab3b1c974 513 a1 = a1+=2;
el13drt 3:57bab3b1c974 514 a2 = a2+=2;
el13drt 3:57bab3b1c974 515 a3 = a3+=2;
el13drt 3:57bab3b1c974 516 a4 = a4+=2;
el13drt 3:57bab3b1c974 517 a5 = a5+=2;
el13drt 3:57bab3b1c974 518 a6 = a6+=2;
el13drt 3:57bab3b1c974 519 a7 = a7+=2;
el13drt 3:57bab3b1c974 520 a8 = a8+=2;
el13drt 3:57bab3b1c974 521 }
el13drt 3:57bab3b1c974 522 if (joystick.direction == CENTRE)
el13drt 3:57bab3b1c974 523 serial.printf(" CENTRE\n");
el13drt 3:57bab3b1c974 524 if (joystick.direction == UNKNOWN)
el13drt 3:57bab3b1c974 525 serial.printf(" Unsupported direction\n");
el13drt 3:57bab3b1c974 526
el13drt 3:57bab3b1c974 527 //endGame();
el13drt 3:57bab3b1c974 528 startrek();//clears unset pixels, keeps set pixels
el13drt 3:57bab3b1c974 529
el13drt 3:57bab3b1c974 530 }
el13drt 2:8fac5562ed1e 531
el13drt 3:57bab3b1c974 532
el13drt 3:57bab3b1c974 533 // break code e.g. person dies / exits game
el13drt 3:57bab3b1c974 534 if (buttonB == 1) {
el13drt 3:57bab3b1c974 535
el13drt 3:57bab3b1c974 536 lcd.printString("Exit Game?",9,25);
el13drt 3:57bab3b1c974 537 if(buttonA == 1)
el13drt 3:57bab3b1c974 538 break;
el13drt 3:57bab3b1c974 539 }
el13drt 3:57bab3b1c974 540 }
el13drt 3:57bab3b1c974 541 }
el13drt 1:352c50e88ffa 542 }
el13drt 0:a8bc3aac5f69 543 }
el13drt 3:57bab3b1c974 544 }
el13drt 1:352c50e88ffa 545
el13drt 0:a8bc3aac5f69 546
el13drt 0:a8bc3aac5f69 547 // read default positions of the joystick to calibrate later readings
el13drt 0:a8bc3aac5f69 548 void calibrateJoystick()
el13drt 0:a8bc3aac5f69 549 {
el13drt 0:a8bc3aac5f69 550 button.mode(PullDown);
el13drt 0:a8bc3aac5f69 551 // must not move during calibration
el13drt 3:57bab3b1c974 552 joystick.x0 = xPot; //initial positions in the range 0.0 to 1.0 (0.5 if centred exactly)
el13drt 0:a8bc3aac5f69 553 joystick.y0 = yPot;
el13drt 0:a8bc3aac5f69 554 }
el13drt 0:a8bc3aac5f69 555
el13drt 0:a8bc3aac5f69 556 void updateJoystick()
el13drt 0:a8bc3aac5f69 557 {
el13drt 0:a8bc3aac5f69 558 // read current joystick values relative to calibrated values (in range -0.5 to 0.5, 0.0 is centred)
el13drt 0:a8bc3aac5f69 559 joystick.x = xPot - joystick.x0;
el13drt 0:a8bc3aac5f69 560 joystick.y = yPot - joystick.y0;
el13drt 0:a8bc3aac5f69 561 // read button state
el13drt 0:a8bc3aac5f69 562 joystick.button = button;
el13drt 0:a8bc3aac5f69 563
el13drt 0:a8bc3aac5f69 564 // calculate direction depending on x,y values
el13drt 0:a8bc3aac5f69 565 // tolerance allows a little lee-way in case joystick not exactly in the stated direction
el13drt 0:a8bc3aac5f69 566 if ( fabs(joystick.y) < DIRECTION_TOLERANCE && fabs(joystick.x) < DIRECTION_TOLERANCE) {
el13drt 0:a8bc3aac5f69 567 joystick.direction = CENTRE;
el13drt 0:a8bc3aac5f69 568 } else if ( joystick.y > DIRECTION_TOLERANCE && fabs(joystick.x) < DIRECTION_TOLERANCE) {
el13drt 0:a8bc3aac5f69 569 joystick.direction = UP;
el13drt 0:a8bc3aac5f69 570 } else if ( joystick.y < DIRECTION_TOLERANCE && fabs(joystick.x) < DIRECTION_TOLERANCE) {
el13drt 0:a8bc3aac5f69 571 joystick.direction = DOWN;
el13drt 0:a8bc3aac5f69 572 } else if ( joystick.x > DIRECTION_TOLERANCE && fabs(joystick.y) < DIRECTION_TOLERANCE) {
el13drt 0:a8bc3aac5f69 573 joystick.direction = RIGHT;
el13drt 0:a8bc3aac5f69 574 } else if ( joystick.x < DIRECTION_TOLERANCE && fabs(joystick.y) < DIRECTION_TOLERANCE) {
el13drt 0:a8bc3aac5f69 575 joystick.direction = LEFT;
el13drt 0:a8bc3aac5f69 576 } else {
el13drt 0:a8bc3aac5f69 577 joystick.direction = UNKNOWN;
el13drt 0:a8bc3aac5f69 578 }
el13drt 0:a8bc3aac5f69 579
el13drt 0:a8bc3aac5f69 580 // set flag for printing
el13drt 0:a8bc3aac5f69 581 printFlag = 1;
el13drt 0:a8bc3aac5f69 582 }
el13drt 0:a8bc3aac5f69 583
el13drt 0:a8bc3aac5f69 584