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

Dependencies:   ConfigFile N5110 PowerControl beep mbed

Committer:
el13drt
Date:
Mon Apr 13 01:34:15 2015 +0000
Revision:
0:a8bc3aac5f69
Child:
1:352c50e88ffa
pre 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 0:a8bc3aac5f69 22 // connections for joystick
el13drt 0:a8bc3aac5f69 23 DigitalIn button(p18);
el13drt 0:a8bc3aac5f69 24 AnalogIn xPot(p15);
el13drt 0:a8bc3aac5f69 25 AnalogIn yPot(p16);
el13drt 0:a8bc3aac5f69 26
el13drt 0:a8bc3aac5f69 27 // boundary conditions
el13drt 0:a8bc3aac5f69 28 int cells [84][48];
el13drt 0:a8bc3aac5f69 29
el13drt 0:a8bc3aac5f69 30 // Globabl Variables /////////////////////////
el13drt 0:a8bc3aac5f69 31
el13drt 0:a8bc3aac5f69 32 // global variables for movement
el13drt 0:a8bc3aac5f69 33 int a1 = 22;
el13drt 0:a8bc3aac5f69 34 int a2 = 24;
el13drt 0:a8bc3aac5f69 35 int a3 = 23;
el13drt 0:a8bc3aac5f69 36 int a4 = 25;
el13drt 0:a8bc3aac5f69 37 int a5 = 20;
el13drt 0:a8bc3aac5f69 38 int a6 = 26;
el13drt 0:a8bc3aac5f69 39 int a7 = 19;
el13drt 0:a8bc3aac5f69 40 int a8 = 21;
el13drt 0:a8bc3aac5f69 41
el13drt 0:a8bc3aac5f69 42
el13drt 0:a8bc3aac5f69 43 //global variable for random X co-ordinates
el13drt 0:a8bc3aac5f69 44 int randX1;
el13drt 0:a8bc3aac5f69 45 int randX2;
el13drt 0:a8bc3aac5f69 46 int randX3;
el13drt 0:a8bc3aac5f69 47 int randX4;
el13drt 0:a8bc3aac5f69 48 int randX5;
el13drt 0:a8bc3aac5f69 49 int randX6;
el13drt 0:a8bc3aac5f69 50
el13drt 0:a8bc3aac5f69 51 // global variable for random Y co-ordinates
el13drt 0:a8bc3aac5f69 52 int randY1 = 0;
el13drt 0:a8bc3aac5f69 53 int randY2 = 0;
el13drt 0:a8bc3aac5f69 54 int randY3 = 0;
el13drt 0:a8bc3aac5f69 55 int randY4 = 0;
el13drt 0:a8bc3aac5f69 56 int randY5 = 0;
el13drt 0:a8bc3aac5f69 57 int randY6 = 0;
el13drt 0:a8bc3aac5f69 58
el13drt 0:a8bc3aac5f69 59 // timer to regularly read the joystick
el13drt 0:a8bc3aac5f69 60 Ticker pollJoystick;
el13drt 0:a8bc3aac5f69 61 // Serial for debug
el13drt 0:a8bc3aac5f69 62 Serial serial(USBTX,USBRX);
el13drt 0:a8bc3aac5f69 63
el13drt 0:a8bc3aac5f69 64 // create enumerated type (0,1,2,3 etc. for direction)
el13drt 0:a8bc3aac5f69 65 // could be extended for diagonals etc.
el13drt 0:a8bc3aac5f69 66 enum DirectionName {
el13drt 0:a8bc3aac5f69 67 UP,
el13drt 0:a8bc3aac5f69 68 DOWN,
el13drt 0:a8bc3aac5f69 69 LEFT,
el13drt 0:a8bc3aac5f69 70 RIGHT,
el13drt 0:a8bc3aac5f69 71 CENTRE,
el13drt 0:a8bc3aac5f69 72 UNKNOWN
el13drt 0:a8bc3aac5f69 73 };
el13drt 0:a8bc3aac5f69 74
el13drt 0:a8bc3aac5f69 75 // struct for Joystick
el13drt 0:a8bc3aac5f69 76 typedef struct JoyStick Joystick;
el13drt 0:a8bc3aac5f69 77 struct JoyStick {
el13drt 0:a8bc3aac5f69 78 float x; // current x value
el13drt 0:a8bc3aac5f69 79 float x0; // 'centred' x value
el13drt 0:a8bc3aac5f69 80 float y; // current y value
el13drt 0:a8bc3aac5f69 81 float y0; // 'centred' y value
el13drt 0:a8bc3aac5f69 82 int button; // button state (assume pull-down used, so 1 = pressed, 0 = unpressed)
el13drt 0:a8bc3aac5f69 83 DirectionName direction; // current direction
el13drt 0:a8bc3aac5f69 84 };
el13drt 0:a8bc3aac5f69 85
el13drt 0:a8bc3aac5f69 86 // create struct variable
el13drt 0:a8bc3aac5f69 87 Joystick joystick;
el13drt 0:a8bc3aac5f69 88
el13drt 0:a8bc3aac5f69 89 int printFlag = 0;
el13drt 0:a8bc3aac5f69 90
el13drt 0:a8bc3aac5f69 91 // function prototypes
el13drt 0:a8bc3aac5f69 92 void calibrateJoystick();
el13drt 0:a8bc3aac5f69 93 void updateJoystick();
el13drt 0:a8bc3aac5f69 94
el13drt 0:a8bc3aac5f69 95 //intro screen
el13drt 0:a8bc3aac5f69 96 void welcome()
el13drt 0:a8bc3aac5f69 97 {
el13drt 0:a8bc3aac5f69 98 //bottom border
el13drt 0:a8bc3aac5f69 99 lcd.drawRect(0,44,84,2,1);
el13drt 0:a8bc3aac5f69 100
el13drt 0:a8bc3aac5f69 101 //top border
el13drt 0:a8bc3aac5f69 102 lcd.drawRect(0,1,84,2,1);
el13drt 0:a8bc3aac5f69 103
el13drt 0:a8bc3aac5f69 104 //print initials 'DRT'
el13drt 0:a8bc3aac5f69 105 lcd.printChar('D',30,14);
el13drt 0:a8bc3aac5f69 106 wait(0.6);
el13drt 0:a8bc3aac5f69 107 lcd.printChar('R',37,14);
el13drt 0:a8bc3aac5f69 108 wait(0.6);
el13drt 0:a8bc3aac5f69 109 lcd.printChar('T',44,14);
el13drt 0:a8bc3aac5f69 110 wait(0.6);
el13drt 0:a8bc3aac5f69 111
el13drt 0:a8bc3aac5f69 112 //print 'presents...'
el13drt 0:a8bc3aac5f69 113 lcd.printString("presents...",8,21);
el13drt 0:a8bc3aac5f69 114 wait(1.0);
el13drt 0:a8bc3aac5f69 115
el13drt 0:a8bc3aac5f69 116 //dramatic flashing
el13drt 0:a8bc3aac5f69 117 lcd.inverseMode();
el13drt 0:a8bc3aac5f69 118 wait(0.2);
el13drt 0:a8bc3aac5f69 119 lcd.normalMode();
el13drt 0:a8bc3aac5f69 120 wait(0.2);
el13drt 0:a8bc3aac5f69 121 lcd.inverseMode();
el13drt 0:a8bc3aac5f69 122 wait(0.2);
el13drt 0:a8bc3aac5f69 123 lcd.normalMode();
el13drt 0:a8bc3aac5f69 124 wait(1.0);
el13drt 0:a8bc3aac5f69 125
el13drt 0:a8bc3aac5f69 126 //more dramatic flashing
el13drt 0:a8bc3aac5f69 127 lcd.inverseMode();
el13drt 0:a8bc3aac5f69 128 wait(0.2);
el13drt 0:a8bc3aac5f69 129 lcd.normalMode();
el13drt 0:a8bc3aac5f69 130 wait(0.2);
el13drt 0:a8bc3aac5f69 131 lcd.inverseMode();
el13drt 0:a8bc3aac5f69 132 wait(0.2);
el13drt 0:a8bc3aac5f69 133 lcd.normalMode();
el13drt 0:a8bc3aac5f69 134 wait(0.6);
el13drt 0:a8bc3aac5f69 135 }
el13drt 0:a8bc3aac5f69 136
el13drt 0:a8bc3aac5f69 137 //selection menu///////////////////////////////////////////
el13drt 0:a8bc3aac5f69 138 void mainMenu()
el13drt 0:a8bc3aac5f69 139 {
el13drt 0:a8bc3aac5f69 140 //bottom border
el13drt 0:a8bc3aac5f69 141 lcd.drawRect(0,47,84,0,1);
el13drt 0:a8bc3aac5f69 142 //top border
el13drt 0:a8bc3aac5f69 143 lcd.drawRect(0,0,84,2,1);
el13drt 0:a8bc3aac5f69 144
el13drt 0:a8bc3aac5f69 145 //print 'Xtreme Tower'
el13drt 0:a8bc3aac5f69 146 lcd.printString("Xtreme",4,25);
el13drt 0:a8bc3aac5f69 147 lcd.printString("Tower",44,25);
el13drt 0:a8bc3aac5f69 148
el13drt 0:a8bc3aac5f69 149 //title outline
el13drt 0:a8bc3aac5f69 150 lcd.drawRect(3,6,77,10,0);
el13drt 0:a8bc3aac5f69 151
el13drt 0:a8bc3aac5f69 152 ////castle //x, y, w, h, fill//////////////////////
el13drt 0:a8bc3aac5f69 153
el13drt 0:a8bc3aac5f69 154 //castle main bulk
el13drt 0:a8bc3aac5f69 155 lcd.drawRect(59,32,21,8,1);
el13drt 0:a8bc3aac5f69 156
el13drt 0:a8bc3aac5f69 157 //left window bulk
el13drt 0:a8bc3aac5f69 158 lcd.drawRect(59,22,2,10,1);
el13drt 0:a8bc3aac5f69 159 //centre left window bulk
el13drt 0:a8bc3aac5f69 160 lcd.drawRect(65,22,2,10,1);
el13drt 0:a8bc3aac5f69 161 //centre right window bulk
el13drt 0:a8bc3aac5f69 162 lcd.drawRect(72,22,2,10,1);
el13drt 0:a8bc3aac5f69 163 //right window bulk
el13drt 0:a8bc3aac5f69 164 lcd.drawRect(78,22,2,10,1);
el13drt 0:a8bc3aac5f69 165 //central window bulk
el13drt 0:a8bc3aac5f69 166 lcd.drawRect(68,25,3,7,1);
el13drt 0:a8bc3aac5f69 167
el13drt 0:a8bc3aac5f69 168 //central window bulk
el13drt 0:a8bc3aac5f69 169 lcd.drawRect(75,28,0,0,1);
el13drt 0:a8bc3aac5f69 170 lcd.drawRect(77,28,0,0,1);
el13drt 0:a8bc3aac5f69 171 lcd.drawRect(64,28,0,0,1);
el13drt 0:a8bc3aac5f69 172 lcd.drawRect(62,28,0,0,1);
el13drt 0:a8bc3aac5f69 173
el13drt 0:a8bc3aac5f69 174 //above left window bulk
el13drt 0:a8bc3aac5f69 175 lcd.drawRect(62,25,3,2,1);
el13drt 0:a8bc3aac5f69 176 //above right window bulk
el13drt 0:a8bc3aac5f69 177 lcd.drawRect(75,25,2,2,1);
el13drt 0:a8bc3aac5f69 178
el13drt 0:a8bc3aac5f69 179 //lower right line
el13drt 0:a8bc3aac5f69 180 lcd.drawRect(71,42,9,0,1);
el13drt 0:a8bc3aac5f69 181 //upper right line
el13drt 0:a8bc3aac5f69 182 lcd.drawRect(70,41,10,0,1);
el13drt 0:a8bc3aac5f69 183
el13drt 0:a8bc3aac5f69 184 //upper left line
el13drt 0:a8bc3aac5f69 185 lcd.drawRect(59,41,10,0,1);
el13drt 0:a8bc3aac5f69 186 //lower left line
el13drt 0:a8bc3aac5f69 187 lcd.drawRect(59,42,9,0,1);
el13drt 0:a8bc3aac5f69 188
el13drt 0:a8bc3aac5f69 189 //bottom left bulk
el13drt 0:a8bc3aac5f69 190 lcd.drawRect(59,43,8,3,1);
el13drt 0:a8bc3aac5f69 191 //bottom right bulk
el13drt 0:a8bc3aac5f69 192 lcd.drawRect(72,43,8,3,1);
el13drt 0:a8bc3aac5f69 193
el13drt 0:a8bc3aac5f69 194 //option arrows - lower
el13drt 0:a8bc3aac5f69 195 lcd.drawRect(27,42,4,0,1);
el13drt 0:a8bc3aac5f69 196 lcd.drawRect(28,43,2,0,1);
el13drt 0:a8bc3aac5f69 197 lcd.drawRect(29,44,0,0,1);
el13drt 0:a8bc3aac5f69 198
el13drt 0:a8bc3aac5f69 199 //option arrows - higher
el13drt 0:a8bc3aac5f69 200 lcd.drawRect(27,29,4,0,1);
el13drt 0:a8bc3aac5f69 201 lcd.drawRect(28,28,2,0,1);
el13drt 0:a8bc3aac5f69 202 lcd.drawRect(29,27,0,0,1);
el13drt 0:a8bc3aac5f69 203
el13drt 0:a8bc3aac5f69 204 //present options
el13drt 0:a8bc3aac5f69 205 lcd.printString("Play Game",3,4);
el13drt 0:a8bc3aac5f69 206
el13drt 0:a8bc3aac5f69 207 }
el13drt 0:a8bc3aac5f69 208
el13drt 0:a8bc3aac5f69 209 // static background
el13drt 0:a8bc3aac5f69 210 void backGround()
el13drt 0:a8bc3aac5f69 211 {
el13drt 0:a8bc3aac5f69 212 // x, y, w, h, fill - draw ground
el13drt 0:a8bc3aac5f69 213 lcd.drawRect(0,47,84,0,1);
el13drt 0:a8bc3aac5f69 214
el13drt 0:a8bc3aac5f69 215 // x, y, w, h, fill - draw left wall
el13drt 0:a8bc3aac5f69 216 lcd.drawRect(2,0,0,47,1);
el13drt 0:a8bc3aac5f69 217 // left wall - brick line 1
el13drt 0:a8bc3aac5f69 218 for(int x=0; x<47; x+=4)
el13drt 0:a8bc3aac5f69 219 lcd.drawLine(1,1,1,48,2);
el13drt 0:a8bc3aac5f69 220 // left wall - brick line 2
el13drt 0:a8bc3aac5f69 221 for(int x=0; x<47; x+=4)
el13drt 0:a8bc3aac5f69 222 lcd.drawLine(0,0,0,48,2);
el13drt 0:a8bc3aac5f69 223
el13drt 0:a8bc3aac5f69 224 // x, y, w, h, fill - draw right wall
el13drt 0:a8bc3aac5f69 225 lcd.drawRect(81,0,0,47,1);
el13drt 0:a8bc3aac5f69 226 // right wall - brick line 1
el13drt 0:a8bc3aac5f69 227 for(int x=0; x<WIDTH; x+=4)
el13drt 0:a8bc3aac5f69 228 lcd.drawLine(82,0,82,48,2);
el13drt 0:a8bc3aac5f69 229 // right wall - brick line 2
el13drt 0:a8bc3aac5f69 230 for(int x=0; x<WIDTH; x+=4)
el13drt 0:a8bc3aac5f69 231 lcd.drawLine(83,1,83,48,2);
el13drt 0:a8bc3aac5f69 232
el13drt 0:a8bc3aac5f69 233 lcd.refresh();
el13drt 0:a8bc3aac5f69 234 }
el13drt 0:a8bc3aac5f69 235
el13drt 0:a8bc3aac5f69 236 //pixel ninja character
el13drt 0:a8bc3aac5f69 237 void pixelNinja()
el13drt 0:a8bc3aac5f69 238 {
el13drt 0:a8bc3aac5f69 239 //x, y, w, h, fill - left leg
el13drt 0:a8bc3aac5f69 240 lcd.drawRect(a1,39,0,7,1);
el13drt 0:a8bc3aac5f69 241 //right leg
el13drt 0:a8bc3aac5f69 242 lcd.drawRect(a2,39,0,7,1);
el13drt 0:a8bc3aac5f69 243 //centre stick
el13drt 0:a8bc3aac5f69 244 lcd.drawRect(a3,37,0,7,1);
el13drt 0:a8bc3aac5f69 245 //back of the head
el13drt 0:a8bc3aac5f69 246 lcd.drawRect(a1,33,0,4,1);
el13drt 0:a8bc3aac5f69 247 //top of the head
el13drt 0:a8bc3aac5f69 248 lcd.drawRect(a1,33,4,0,1);
el13drt 0:a8bc3aac5f69 249 //jaw
el13drt 0:a8bc3aac5f69 250 lcd.drawRect(a2,38,2,0,1);
el13drt 0:a8bc3aac5f69 251 //right shoulder
el13drt 0:a8bc3aac5f69 252 lcd.drawRect(a4,40,1,0,1);
el13drt 0:a8bc3aac5f69 253 //left shoulder
el13drt 0:a8bc3aac5f69 254 lcd.drawRect(a5,40,1,0,1);
el13drt 0:a8bc3aac5f69 255 //left arm
el13drt 0:a8bc3aac5f69 256 lcd.drawRect(a5,41,0,1,1);
el13drt 0:a8bc3aac5f69 257 //right arm
el13drt 0:a8bc3aac5f69 258 lcd.drawRect(a6,41,0,1,1);
el13drt 0:a8bc3aac5f69 259 //right eye
el13drt 0:a8bc3aac5f69 260 lcd.drawRect(a6,35,0,0,1);
el13drt 0:a8bc3aac5f69 261 //mouth piece
el13drt 0:a8bc3aac5f69 262 lcd.drawRect(a6,37,0,0,1);
el13drt 0:a8bc3aac5f69 263 //left eye
el13drt 0:a8bc3aac5f69 264 lcd.drawRect(a2,35,0,0,1);
el13drt 0:a8bc3aac5f69 265 //sword handle
el13drt 0:a8bc3aac5f69 266 lcd.drawRect(a7,36,0,0,1);
el13drt 0:a8bc3aac5f69 267 lcd.drawRect(a5,37,0,0,1);
el13drt 0:a8bc3aac5f69 268 lcd.drawRect(a8,38,0,0,1);
el13drt 0:a8bc3aac5f69 269
el13drt 0:a8bc3aac5f69 270 }
el13drt 0:a8bc3aac5f69 271
el13drt 0:a8bc3aac5f69 272 void endGame()
el13drt 0:a8bc3aac5f69 273 {
el13drt 0:a8bc3aac5f69 274 int n = 0;
el13drt 0:a8bc3aac5f69 275
el13drt 0:a8bc3aac5f69 276 if(lcd.getPixel((a1+3),32))
el13drt 0:a8bc3aac5f69 277 n++;
el13drt 0:a8bc3aac5f69 278
el13drt 0:a8bc3aac5f69 279 if ( n !=0) {
el13drt 0:a8bc3aac5f69 280 lcd.printString("Game Over",10,25);
el13drt 0:a8bc3aac5f69 281 wait(2.0);
el13drt 0:a8bc3aac5f69 282 }
el13drt 0:a8bc3aac5f69 283 }
el13drt 0:a8bc3aac5f69 284
el13drt 0:a8bc3aac5f69 285 // draws falling hazards
el13drt 0:a8bc3aac5f69 286 void hazards()
el13drt 0:a8bc3aac5f69 287 {
el13drt 0:a8bc3aac5f69 288 // X, Y, radius, fill
el13drt 0:a8bc3aac5f69 289 lcd.drawCircle(randX1,randY1,2,1);
el13drt 0:a8bc3aac5f69 290 lcd.drawCircle(randX2,randY2,2,1);
el13drt 0:a8bc3aac5f69 291 lcd.drawCircle(randX3,randY3,2,1);
el13drt 0:a8bc3aac5f69 292 lcd.drawCircle(randX4,randY4,2,1);
el13drt 0:a8bc3aac5f69 293 lcd.drawCircle(randX5,randY5,2,1);
el13drt 0:a8bc3aac5f69 294 lcd.drawCircle(randX6,randY6,2,1);
el13drt 0:a8bc3aac5f69 295
el13drt 0:a8bc3aac5f69 296 lcd.refresh();
el13drt 0:a8bc3aac5f69 297 }
el13drt 0:a8bc3aac5f69 298
el13drt 0:a8bc3aac5f69 299 // makes hazards fall - randomises X axis co-ordinates
el13drt 0:a8bc3aac5f69 300 void hazardFall()
el13drt 0:a8bc3aac5f69 301 {
el13drt 0:a8bc3aac5f69 302 // increments randY1 variables
el13drt 0:a8bc3aac5f69 303 // appearing to make them fall
el13drt 0:a8bc3aac5f69 304 randY1 = randY1+=2;
el13drt 0:a8bc3aac5f69 305 randY2 = randY2+=2;
el13drt 0:a8bc3aac5f69 306 randY3 = randY3+=2;
el13drt 0:a8bc3aac5f69 307 randY4 = randY4+=2;
el13drt 0:a8bc3aac5f69 308 randY5 = randY5+=2;
el13drt 0:a8bc3aac5f69 309 randY6 = randY6+=2;
el13drt 0:a8bc3aac5f69 310
el13drt 0:a8bc3aac5f69 311 // loops the objects once they 'hit the floor'
el13drt 0:a8bc3aac5f69 312 // this imitates a new set of objects falling
el13drt 0:a8bc3aac5f69 313
el13drt 0:a8bc3aac5f69 314 if (randY1>=48)
el13drt 0:a8bc3aac5f69 315 randY1=0;
el13drt 0:a8bc3aac5f69 316
el13drt 0:a8bc3aac5f69 317 if (randY2>=48)
el13drt 0:a8bc3aac5f69 318 randY2=0;
el13drt 0:a8bc3aac5f69 319
el13drt 0:a8bc3aac5f69 320 if (randY3>=48)
el13drt 0:a8bc3aac5f69 321 randY3=0;
el13drt 0:a8bc3aac5f69 322
el13drt 0:a8bc3aac5f69 323 if (randY4>=48)
el13drt 0:a8bc3aac5f69 324 randY4=0;
el13drt 0:a8bc3aac5f69 325
el13drt 0:a8bc3aac5f69 326 if (randY5>=48)
el13drt 0:a8bc3aac5f69 327 randY5=0;
el13drt 0:a8bc3aac5f69 328
el13drt 0:a8bc3aac5f69 329 // each time the objects loop, a new pseudo random value
el13drt 0:a8bc3aac5f69 330 // is assigned to the global variables (randX) to
el13drt 0:a8bc3aac5f69 331 // randomise their positions
el13drt 0:a8bc3aac5f69 332
el13drt 0:a8bc3aac5f69 333 if (randY6>=48) {
el13drt 0:a8bc3aac5f69 334 randY6=0;
el13drt 0:a8bc3aac5f69 335
el13drt 0:a8bc3aac5f69 336 randX1 = rand() % 74 + 5;// psuedo random number
el13drt 0:a8bc3aac5f69 337 randX2 = rand() % 74 + 5;// between 5 and 74
el13drt 0:a8bc3aac5f69 338 randX3 = rand() % 74 + 5;
el13drt 0:a8bc3aac5f69 339 randX4 = rand() % 74 + 5;
el13drt 0:a8bc3aac5f69 340 randX5 = rand() % 74 + 5;
el13drt 0:a8bc3aac5f69 341 randX6 = rand() % 74 + 5;
el13drt 0:a8bc3aac5f69 342 }
el13drt 0:a8bc3aac5f69 343
el13drt 0:a8bc3aac5f69 344 }
el13drt 0:a8bc3aac5f69 345
el13drt 0:a8bc3aac5f69 346 // clears old pixels and keeps set pixels
el13drt 0:a8bc3aac5f69 347 void startrek()
el13drt 0:a8bc3aac5f69 348 {
el13drt 0:a8bc3aac5f69 349 for (int i=3; i<81; i++)// loops through rows
el13drt 0:a8bc3aac5f69 350 for (int j=0; j<47; j++)
el13drt 0:a8bc3aac5f69 351 if (cells[i][j]) {// if there's a pixel then keep it
el13drt 0:a8bc3aac5f69 352 lcd.setPixel(i,j);
el13drt 0:a8bc3aac5f69 353 } else {
el13drt 0:a8bc3aac5f69 354 lcd.clearPixel(i,j);// else remove the old ones
el13drt 0:a8bc3aac5f69 355 }
el13drt 0:a8bc3aac5f69 356 lcd.refresh();
el13drt 0:a8bc3aac5f69 357 }
el13drt 0:a8bc3aac5f69 358
el13drt 0:a8bc3aac5f69 359 int main()
el13drt 0:a8bc3aac5f69 360 {
el13drt 0:a8bc3aac5f69 361 //////// set initial values - configurate joystick /////////////////////////////////
el13drt 0:a8bc3aac5f69 362
el13drt 0:a8bc3aac5f69 363 // initialize random seed:
el13drt 0:a8bc3aac5f69 364 srand (time(NULL));
el13drt 0:a8bc3aac5f69 365
el13drt 0:a8bc3aac5f69 366 // generate random x co-ordinates for falling hazards
el13drt 0:a8bc3aac5f69 367 // (initial values only)
el13drt 0:a8bc3aac5f69 368 // value between 3 and 76
el13drt 0:a8bc3aac5f69 369 randX1 = rand() % 74 + 5;
el13drt 0:a8bc3aac5f69 370 randX2 = rand() % 74 + 5;
el13drt 0:a8bc3aac5f69 371 randX3 = rand() % 74 + 5;
el13drt 0:a8bc3aac5f69 372 randX4 = rand() % 74 + 5;
el13drt 0:a8bc3aac5f69 373 randX5 = rand() % 74 + 5;
el13drt 0:a8bc3aac5f69 374 randX6 = rand() % 74 + 5;
el13drt 0:a8bc3aac5f69 375
el13drt 0:a8bc3aac5f69 376 calibrateJoystick(); // get centred values of joystick
el13drt 0:a8bc3aac5f69 377 pollJoystick.attach(&updateJoystick,1.0/10.0); // read joystick 10 times per second
el13drt 0:a8bc3aac5f69 378
el13drt 0:a8bc3aac5f69 379 /////// initiate game //////////////////////////////////////////////////////////////
el13drt 0:a8bc3aac5f69 380
el13drt 0:a8bc3aac5f69 381 lcd.init();//initialise screen
el13drt 0:a8bc3aac5f69 382 welcome();//welcome screen
el13drt 0:a8bc3aac5f69 383 lcd.clear();//clear pixels
el13drt 0:a8bc3aac5f69 384 mainMenu();//menu screen
el13drt 0:a8bc3aac5f69 385
el13drt 0:a8bc3aac5f69 386 wait (3.0);
el13drt 0:a8bc3aac5f69 387 lcd.clear();
el13drt 0:a8bc3aac5f69 388
el13drt 0:a8bc3aac5f69 389 backGround();//display background
el13drt 0:a8bc3aac5f69 390
el13drt 0:a8bc3aac5f69 391 /////// Menu Selection ////////////////////////////////////////////////////////////
el13drt 0:a8bc3aac5f69 392
el13drt 0:a8bc3aac5f69 393 int option = 0;
el13drt 0:a8bc3aac5f69 394
el13drt 0:a8bc3aac5f69 395 // Option up
el13drt 0:a8bc3aac5f69 396 if (joystick.direction == UP) {
el13drt 0:a8bc3aac5f69 397 serial.printf(" UP\n");
el13drt 0:a8bc3aac5f69 398 option = option++;
el13drt 0:a8bc3aac5f69 399 }
el13drt 0:a8bc3aac5f69 400
el13drt 0:a8bc3aac5f69 401 // Option down
el13drt 0:a8bc3aac5f69 402 if (joystick.direction == DOWN) {
el13drt 0:a8bc3aac5f69 403 serial.printf(" DOWN\n");
el13drt 0:a8bc3aac5f69 404 option = option--;
el13drt 0:a8bc3aac5f69 405 }
el13drt 0:a8bc3aac5f69 406
el13drt 0:a8bc3aac5f69 407 if (option == 0){
el13drt 0:a8bc3aac5f69 408 //present options
el13drt 0:a8bc3aac5f69 409 lcd.printString("Play Game",3,4);
el13drt 0:a8bc3aac5f69 410 }
el13drt 0:a8bc3aac5f69 411 if (option == 1){
el13drt 0:a8bc3aac5f69 412 lcd.printString("options",3,4);
el13drt 0:a8bc3aac5f69 413 }
el13drt 0:a8bc3aac5f69 414
el13drt 0:a8bc3aac5f69 415 // while(1) {
el13drt 0:a8bc3aac5f69 416 //
el13drt 0:a8bc3aac5f69 417 // pixelNinja();
el13drt 0:a8bc3aac5f69 418 // hazards();// initiates hazards
el13drt 0:a8bc3aac5f69 419 // hazardFall();// increments hazards towards floor
el13drt 0:a8bc3aac5f69 420 //
el13drt 0:a8bc3aac5f69 421 // if (printFlag) { // if flag set, clear flag and print joystick values to serial port
el13drt 0:a8bc3aac5f69 422 // printFlag = 0;
el13drt 0:a8bc3aac5f69 423 // serial.printf("x = %f y = %f button = %d ",joystick.x,joystick.y,joystick.button);
el13drt 0:a8bc3aac5f69 424 //
el13drt 0:a8bc3aac5f69 425 // // check joystick direction
el13drt 0:a8bc3aac5f69 426 // if (joystick.direction == UP) {
el13drt 0:a8bc3aac5f69 427 // serial.printf(" UP\n");
el13drt 0:a8bc3aac5f69 428 // }
el13drt 0:a8bc3aac5f69 429 // if (joystick.direction == DOWN) {
el13drt 0:a8bc3aac5f69 430 // serial.printf(" DOWN\n");
el13drt 0:a8bc3aac5f69 431 // }
el13drt 0:a8bc3aac5f69 432 // if (joystick.direction == LEFT) {
el13drt 0:a8bc3aac5f69 433 // serial.printf(" LEFT\n");
el13drt 0:a8bc3aac5f69 434 // a1 = a1-=2;
el13drt 0:a8bc3aac5f69 435 // a2 = a2-=2;
el13drt 0:a8bc3aac5f69 436 // a3 = a3-=2;
el13drt 0:a8bc3aac5f69 437 // a4 = a4-=2;
el13drt 0:a8bc3aac5f69 438 // a5 = a5-=2;
el13drt 0:a8bc3aac5f69 439 // a6 = a6-=2;
el13drt 0:a8bc3aac5f69 440 // a7 = a7-=2;
el13drt 0:a8bc3aac5f69 441 // a8 = a8-=2;
el13drt 0:a8bc3aac5f69 442 // }
el13drt 0:a8bc3aac5f69 443 // if (joystick.direction == RIGHT) {
el13drt 0:a8bc3aac5f69 444 // serial.printf(" RIGHT\n");
el13drt 0:a8bc3aac5f69 445 // a1 = a1+=2;
el13drt 0:a8bc3aac5f69 446 // a2 = a2+=2;
el13drt 0:a8bc3aac5f69 447 // a3 = a3+=2;
el13drt 0:a8bc3aac5f69 448 // a4 = a4+=2;
el13drt 0:a8bc3aac5f69 449 // a5 = a5+=2;
el13drt 0:a8bc3aac5f69 450 // a6 = a6+=2;
el13drt 0:a8bc3aac5f69 451 // a7 = a7+=2;
el13drt 0:a8bc3aac5f69 452 // a8 = a8+=2;
el13drt 0:a8bc3aac5f69 453 // }
el13drt 0:a8bc3aac5f69 454 // if (joystick.direction == CENTRE)
el13drt 0:a8bc3aac5f69 455 // serial.printf(" CENTRE\n");
el13drt 0:a8bc3aac5f69 456 // if (joystick.direction == UNKNOWN)
el13drt 0:a8bc3aac5f69 457 // serial.printf(" Unsupported direction\n");
el13drt 0:a8bc3aac5f69 458 //
el13drt 0:a8bc3aac5f69 459 // endGame();
el13drt 0:a8bc3aac5f69 460 // startrek();// clears unset pixels, keeps set pixels
el13drt 0:a8bc3aac5f69 461 //
el13drt 0:a8bc3aac5f69 462 // }
el13drt 0:a8bc3aac5f69 463 // }
el13drt 0:a8bc3aac5f69 464
el13drt 0:a8bc3aac5f69 465 }
el13drt 0:a8bc3aac5f69 466
el13drt 0:a8bc3aac5f69 467 // read default positions of the joystick to calibrate later readings
el13drt 0:a8bc3aac5f69 468 void calibrateJoystick()
el13drt 0:a8bc3aac5f69 469 {
el13drt 0:a8bc3aac5f69 470 button.mode(PullDown);
el13drt 0:a8bc3aac5f69 471 // must not move during calibration
el13drt 0:a8bc3aac5f69 472 joystick.x0 = xPot; // initial positions in the range 0.0 to 1.0 (0.5 if centred exactly)
el13drt 0:a8bc3aac5f69 473 joystick.y0 = yPot;
el13drt 0:a8bc3aac5f69 474 }
el13drt 0:a8bc3aac5f69 475
el13drt 0:a8bc3aac5f69 476 void updateJoystick()
el13drt 0:a8bc3aac5f69 477 {
el13drt 0:a8bc3aac5f69 478 // read current joystick values relative to calibrated values (in range -0.5 to 0.5, 0.0 is centred)
el13drt 0:a8bc3aac5f69 479 joystick.x = xPot - joystick.x0;
el13drt 0:a8bc3aac5f69 480 joystick.y = yPot - joystick.y0;
el13drt 0:a8bc3aac5f69 481 // read button state
el13drt 0:a8bc3aac5f69 482 joystick.button = button;
el13drt 0:a8bc3aac5f69 483
el13drt 0:a8bc3aac5f69 484 // calculate direction depending on x,y values
el13drt 0:a8bc3aac5f69 485 // tolerance allows a little lee-way in case joystick not exactly in the stated direction
el13drt 0:a8bc3aac5f69 486 if ( fabs(joystick.y) < DIRECTION_TOLERANCE && fabs(joystick.x) < DIRECTION_TOLERANCE) {
el13drt 0:a8bc3aac5f69 487 joystick.direction = CENTRE;
el13drt 0:a8bc3aac5f69 488 } else if ( joystick.y > DIRECTION_TOLERANCE && fabs(joystick.x) < DIRECTION_TOLERANCE) {
el13drt 0:a8bc3aac5f69 489 joystick.direction = UP;
el13drt 0:a8bc3aac5f69 490 } else if ( joystick.y < DIRECTION_TOLERANCE && fabs(joystick.x) < DIRECTION_TOLERANCE) {
el13drt 0:a8bc3aac5f69 491 joystick.direction = DOWN;
el13drt 0:a8bc3aac5f69 492 } else if ( joystick.x > DIRECTION_TOLERANCE && fabs(joystick.y) < DIRECTION_TOLERANCE) {
el13drt 0:a8bc3aac5f69 493 joystick.direction = RIGHT;
el13drt 0:a8bc3aac5f69 494 } else if ( joystick.x < DIRECTION_TOLERANCE && fabs(joystick.y) < DIRECTION_TOLERANCE) {
el13drt 0:a8bc3aac5f69 495 joystick.direction = LEFT;
el13drt 0:a8bc3aac5f69 496 } else {
el13drt 0:a8bc3aac5f69 497 joystick.direction = UNKNOWN;
el13drt 0:a8bc3aac5f69 498 }
el13drt 0:a8bc3aac5f69 499
el13drt 0:a8bc3aac5f69 500 // set flag for printing
el13drt 0:a8bc3aac5f69 501 printFlag = 1;
el13drt 0:a8bc3aac5f69 502 }
el13drt 0:a8bc3aac5f69 503
el13drt 0:a8bc3aac5f69 504