ELEC2645 (2019/20) / Mbed 2 deprecated ELEC2645_Project_el17oc1

Owen Cavender 201159294

Dependencies:   mbed Gamepad2

snake.cpp@8:997f90c88246, 2020-05-28 (annotated)

Committer:
el17oc
Date:
Thu May 28 18:50:56 2020 +0000
Revision:
8:997f90c88246
Parent:
7:0ce806455ef1
Child:
9:a69a6a06dddf
GG

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