ELEC2645 (2019/20) / Mbed 2 deprecated ELEC2645_Project_el17oc1

Owen Cavender 201159294

Dependencies:   mbed Gamepad2

snake.cpp@9:a69a6a06dddf, 2020-05-28 (annotated)

Committer:
el17oc
Date:
Thu May 28 19:16:52 2020 +0000
Revision:
9:a69a6a06dddf
Parent:
8:997f90c88246
Child:
10:ee781d18e0f6
jj

Who changed what in which revision?

UserRevisionLine numberNew contents of line
el17oc 1:897160a1a3ae 1 #include "snake.h"
el17oc 1:897160a1a3ae 2
el17oc 1:897160a1a3ae 3 Snake::Snake()
el17oc 1:897160a1a3ae 4 {
el17oc 1:897160a1a3ae 5
el17oc 1:897160a1a3ae 6 }
el17oc 1:897160a1a3ae 7
el17oc 1:897160a1a3ae 8 Snake::~Snake()
el17oc 1:897160a1a3ae 9 {
el17oc 6:bf90044188d0 10 }
el17oc 6:bf90044188d0 11
el17oc 6:bf90044188d0 12
el17oc 6:bf90044188d0 13
el17oc 6:bf90044188d0 14 void Snake::init()
el17oc 6:bf90044188d0 15 {
el17oc 6:bf90044188d0 16 _x0 = 48;
el17oc 6:bf90044188d0 17 _x1 = 48;
el17oc 6:bf90044188d0 18 _x2 = 48;
el17oc 6:bf90044188d0 19 _x3 = 48;
el17oc 6:bf90044188d0 20
el17oc 6:bf90044188d0 21 _y0 = 20;
el17oc 6:bf90044188d0 22 _y1 = 19;
el17oc 6:bf90044188d0 23 _y2 = 18;
el17oc 6:bf90044188d0 24 _y3 = 17;
el17oc 6:bf90044188d0 25
el17oc 9:a69a6a06dddf 26 _apx = 48;
el17oc 9:a69a6a06dddf 27 _apy = 25;
el17oc 6:bf90044188d0 28 _gameover = false;
el17oc 6:bf90044188d0 29 _score = 0;
el17oc 6:bf90044188d0 30 _direction = up;
el17oc 7:0ce806455ef1 31 // Vector2D *_snakebody = new Vector2D [_length];
el17oc 6:bf90044188d0 32 }
el17oc 6:bf90044188d0 33
el17oc 9:a69a6a06dddf 34 Vector2D Snake::get_Snakehead()
el17oc 9:a69a6a06dddf 35 {
el17oc 9:a69a6a06dddf 36 Vector2D Snakehead;
el17oc 9:a69a6a06dddf 37 Snakehead.x = _x0;
el17oc 9:a69a6a06dddf 38 Snakehead.y = _y0;
el17oc 9:a69a6a06dddf 39
el17oc 9:a69a6a06dddf 40 return Snakehead;
el17oc 9:a69a6a06dddf 41
el17oc 9:a69a6a06dddf 42 }
el17oc 9:a69a6a06dddf 43
el17oc 6:bf90044188d0 44
el17oc 6:bf90044188d0 45
el17oc 9:a69a6a06dddf 46
el17oc 9:a69a6a06dddf 47
el17oc 9:a69a6a06dddf 48 void Snake::apple_collected(N5110 &lcd, Gamepad &pad, Timer &timer)
el17oc 8:997f90c88246 49 {
el17oc 9:a69a6a06dddf 50
el17oc 9:a69a6a06dddf 51 //need to code clear apple and make sure apple isnt spawning every time
el17oc 8:997f90c88246 52 if((_x0 == _apx) && (_y0 == _apy)) {
el17oc 9:a69a6a06dddf 53
el17oc 8:997f90c88246 54 _score++; //causes new apple position to be generated
el17oc 6:bf90044188d0 55 timer.reset();
el17oc 9:a69a6a06dddf 56 pad.tone(1500.0,0.5);
el17oc 8:997f90c88246 57 pad.led(2, 1);
el17oc 8:997f90c88246 58 pad.led(4, 1);
el17oc 6:bf90044188d0 59 wait(0.5);
el17oc 8:997f90c88246 60 pad.led(2, 0);
el17oc 8:997f90c88246 61 pad.led(4, 0);
el17oc 6:bf90044188d0 62
el17oc 6:bf90044188d0 63 }
el17oc 1:897160a1a3ae 64
el17oc 1:897160a1a3ae 65 }
el17oc 1:897160a1a3ae 66
el17oc 1:897160a1a3ae 67
el17oc 6:bf90044188d0 68 void Snake::check_collisions() //code where it hits itself
el17oc 1:897160a1a3ae 69 {
el17oc 6:bf90044188d0 70 if (_x0 == 0 ||_x0 == 84 || _y0 == 0 || _y1 == 42) { //how do i access snakehead.headx
el17oc 1:897160a1a3ae 71
el17oc 6:bf90044188d0 72 _gameover = true;
el17oc 8:997f90c88246 73 }
el17oc 8:997f90c88246 74 if ((_x0 == _x1 && _y0 == _y1) || (_x0 == _x2 && _y0 == _x2) || (_x0 == _x2 && _y0 == _y2)) {
el17oc 9:a69a6a06dddf 75 _gameover = true;
el17oc 9:a69a6a06dddf 76 } //|| (_x0 == _x4 && _y0 == _y4))
el17oc 9:a69a6a06dddf 77 else {
el17oc 6:bf90044188d0 78 _gameover = _gameover;
el17oc 1:897160a1a3ae 79 }
el17oc 1:897160a1a3ae 80 }
el17oc 1:897160a1a3ae 81
el17oc 1:897160a1a3ae 82
el17oc 1:897160a1a3ae 83
el17oc 2:44e4a6ecdbef 84
el17oc 8:997f90c88246 85 void Snake::render(N5110 &lcd)
el17oc 1:897160a1a3ae 86 {
el17oc 1:897160a1a3ae 87
el17oc 9:a69a6a06dddf 88 //apple
el17oc 8:997f90c88246 89 lcd.setPixel(_apx, _apy,1);
el17oc 1:897160a1a3ae 90
el17oc 8:997f90c88246 91 lcd.drawRect(0, 0, 84, 42, FILL_TRANSPARENT); //game
el17oc 8:997f90c88246 92
el17oc 9:a69a6a06dddf 93
el17oc 8:997f90c88246 94 lcd.setPixel(_x0, _y0,1); //snake
el17oc 6:bf90044188d0 95 lcd.setPixel(_x1, _y1,1);
el17oc 6:bf90044188d0 96 lcd.setPixel(_x2, _y2,1);
el17oc 6:bf90044188d0 97 lcd.setPixel(_x3, _y3,1);
el17oc 9:a69a6a06dddf 98
el17oc 1:897160a1a3ae 99
el17oc 8:997f90c88246 100 lcd.refresh();
el17oc 6:bf90044188d0 101
el17oc 5:d716013c6a18 102 }
el17oc 5:d716013c6a18 103
el17oc 8:997f90c88246 104
el17oc 8:997f90c88246 105 void Snake::get_direction(Gamepad &pad)
el17oc 6:bf90044188d0 106 {
el17oc 6:bf90044188d0 107 Directions direction = _direction;
el17oc 6:bf90044188d0 108 if(direction != left) {
el17oc 6:bf90044188d0 109 if (pad.A_pressed()) {
el17oc 6:bf90044188d0 110
el17oc 6:bf90044188d0 111 _direction = right;
el17oc 6:bf90044188d0 112 }
el17oc 6:bf90044188d0 113 }
el17oc 6:bf90044188d0 114 if(direction != right) {
el17oc 6:bf90044188d0 115 if (pad.B_pressed()) {
el17oc 6:bf90044188d0 116
el17oc 6:bf90044188d0 117 _direction = left;
el17oc 6:bf90044188d0 118 } //check these are orrecrt
el17oc 6:bf90044188d0 119 }
el17oc 6:bf90044188d0 120 if(direction != down) {
el17oc 6:bf90044188d0 121 if (pad.X_pressed()) {
el17oc 6:bf90044188d0 122
el17oc 6:bf90044188d0 123 _direction = up;
el17oc 6:bf90044188d0 124 }
el17oc 6:bf90044188d0 125 }
el17oc 6:bf90044188d0 126 if(direction != up) {
el17oc 6:bf90044188d0 127 if (pad.Y_pressed()) {
el17oc 6:bf90044188d0 128
el17oc 6:bf90044188d0 129 _direction = down;
el17oc 9:a69a6a06dddf 130 }
el17oc 9:a69a6a06dddf 131 }
el17oc 9:a69a6a06dddf 132 else {
el17oc 6:bf90044188d0 133 _direction = direction;
el17oc 6:bf90044188d0 134 }
el17oc 9:a69a6a06dddf 135 }
el17oc 9:a69a6a06dddf 136
el17oc 9:a69a6a06dddf 137
el17oc 9:a69a6a06dddf 138 void Snake::move_snake() {
el17oc 6:bf90044188d0 139 if (_direction == up) { // /-/
el17oc 6:bf90044188d0 140 _x3 = _x2;
el17oc 6:bf90044188d0 141 _y3 = _y2;
el17oc 6:bf90044188d0 142 _x2 = _x1;
el17oc 6:bf90044188d0 143 _y2 = _y1;
el17oc 6:bf90044188d0 144 _x1 = _x0;
el17oc 6:bf90044188d0 145 _y1 = _y0;
el17oc 5:d716013c6a18 146
el17oc 6:bf90044188d0 147 _x0 = _x0;
el17oc 6:bf90044188d0 148 _y0 = _y0 + 1;
el17oc 6:bf90044188d0 149 }
el17oc 6:bf90044188d0 150 if (_direction == down) {
el17oc 6:bf90044188d0 151 _x3 = _x2;
el17oc 6:bf90044188d0 152 _y3 = _y2;
el17oc 6:bf90044188d0 153 _x2 = _x1;
el17oc 6:bf90044188d0 154 _y2 = _y1;
el17oc 6:bf90044188d0 155 _x1 = _x0;
el17oc 6:bf90044188d0 156 _y1 = _y0;
el17oc 5:d716013c6a18 157
el17oc 6:bf90044188d0 158 _x0 = _x0;
el17oc 6:bf90044188d0 159 _y0 = _y0 - 1;
el17oc 6:bf90044188d0 160
el17oc 6:bf90044188d0 161 }
el17oc 6:bf90044188d0 162 if (_direction == left) {
el17oc 6:bf90044188d0 163
el17oc 6:bf90044188d0 164 _x3 = _x2;
el17oc 6:bf90044188d0 165 _y3 = _y2;
el17oc 6:bf90044188d0 166 _x2 = _x1;
el17oc 6:bf90044188d0 167 _y2 = _y1;
el17oc 6:bf90044188d0 168 _x1 = _x0;
el17oc 6:bf90044188d0 169 _y1 = _y0;
el17oc 6:bf90044188d0 170
el17oc 6:bf90044188d0 171 _x0 = _x0 - 1;
el17oc 6:bf90044188d0 172 _y0 = _y0;
el17oc 1:897160a1a3ae 173
el17oc 5:d716013c6a18 174
el17oc 5:d716013c6a18 175
el17oc 5:d716013c6a18 176 }
el17oc 5:d716013c6a18 177
el17oc 5:d716013c6a18 178 if (_direction == right) {
el17oc 6:bf90044188d0 179 _x3 = _x2;
el17oc 6:bf90044188d0 180 _y3 = _y2;
el17oc 6:bf90044188d0 181 _x2 = _x1;
el17oc 6:bf90044188d0 182 _y2 = _y1;
el17oc 6:bf90044188d0 183 _x1 = _x0;
el17oc 6:bf90044188d0 184 _y1 = _y0;
el17oc 5:d716013c6a18 185
el17oc 6:bf90044188d0 186 _x0 = _x0 + 1;
el17oc 6:bf90044188d0 187 _y0 = _y0;
el17oc 6:bf90044188d0 188
el17oc 6:bf90044188d0 189
el17oc 5:d716013c6a18 190 }
el17oc 5:d716013c6a18 191
el17oc 5:d716013c6a18 192 }
el17oc 6:bf90044188d0 193
el17oc 9:a69a6a06dddf 194
el17oc 6:bf90044188d0 195
el17oc 9:a69a6a06dddf 196 void Snake::render_clear_tail(N5110 &lcd)
el17oc 9:a69a6a06dddf 197 {
el17oc 9:a69a6a06dddf 198 lcd.clearPixel(_x3, _y3);
el17oc 9:a69a6a06dddf 199 }
el17oc 6:bf90044188d0 200
el17oc 8:997f90c88246 201 bool Snake::get_gameover()
el17oc 8:997f90c88246 202 {
el17oc 8:997f90c88246 203 return _gameover;
el17oc 8:997f90c88246 204 }
el17oc 8:997f90c88246 205 int Snake::get_score()
el17oc 8:997f90c88246 206 {
el17oc 8:997f90c88246 207 return _score;
el17oc 8:997f90c88246 208 }
el17oc 6:bf90044188d0 209
el17oc 6:bf90044188d0 210
el17oc 6:bf90044188d0 211
el17oc 8:997f90c88246 212 void Snake::get_Apple_position(N5110 &lcd)
el17oc 9:a69a6a06dddf 213 {
el17oc 9:a69a6a06dddf 214 int appleposx;
el17oc 9:a69a6a06dddf 215 int appleposy;
el17oc 8:997f90c88246 216 if(_score++) {
el17oc 9:a69a6a06dddf 217 appleposx = rand()%84;
el17oc 9:a69a6a06dddf 218 appleposy = rand()%48; //ROB apparently rand() is seeded so will generate same position each time - do you know any other random methods to put here?
el17oc 9:a69a6a06dddf 219 }
el17oc 6:bf90044188d0 220
el17oc 8:997f90c88246 221 if(lcd.getPixel(appleposx, appleposy)==1) { // this pixel is set -- 'if it is already filled on lcd, pick new position'
el17oc 8:997f90c88246 222 appleposx = rand()%84;
el17oc 8:997f90c88246 223 appleposy = rand()%48; // making sure the apple doesnt spawn inside the snakes body or wall which would increase the score
el17oc 9:a69a6a06dddf 224 }
el17oc 6:bf90044188d0 225
el17oc 8:997f90c88246 226
el17oc 9:a69a6a06dddf 227 _apx = appleposx; //i and j are fed into applepos.x/y -- those values are then fed into set_applepos which assigngs that value to _appleposx/y which then is fed into get_applepos where it is stored and returned
el17oc 9:a69a6a06dddf 228 _apy = appleposy; //alters value of private variable - this can then be accessed by get_Applepos
el17oc 8:997f90c88246 229
el17oc 8:997f90c88246 230 }
el17oc 8:997f90c88246 231
el17oc 8:997f90c88246 232 void Snake::get_time(Timer &timer)
el17oc 6:bf90044188d0 233 {
el17oc 9:a69a6a06dddf 234
el17oc 6:bf90044188d0 235 _realtime = timer.read();
el17oc 6:bf90044188d0 236 _display_time = (Reset_value - _realtime);
el17oc 1:897160a1a3ae 237
el17oc 6:bf90044188d0 238 if(_realtime == Reset_value) {
el17oc 1:897160a1a3ae 239 _gameover = true;
el17oc 6:bf90044188d0 240 }
el17oc 6:bf90044188d0 241
el17oc 6:bf90044188d0 242 if (0 <= _score && _score < 10) {
el17oc 6:bf90044188d0 243 Reset_value = 12;
el17oc 6:bf90044188d0 244 }
el17oc 6:bf90044188d0 245 if (10 <= _score && _score < 15) {
el17oc 6:bf90044188d0 246 Reset_value = 10;
el17oc 6:bf90044188d0 247 }
el17oc 6:bf90044188d0 248 if (15 <= _score && _score < 20) {
el17oc 6:bf90044188d0 249 Reset_value = 8;
el17oc 1:897160a1a3ae 250 } else {
el17oc 6:bf90044188d0 251 Reset_value = 6;
el17oc 6:bf90044188d0 252 }
el17oc 6:bf90044188d0 253 }