Ahmed Adamjee / Mbed 2 deprecated SnakeVSBlock

Snake vs Block Game to be run upon K64F.

Dependencies:   mbed

Snake/Snake.cpp@43:233f93860d08, 2019-04-25 (annotated)

Committer:
AhmedPlaymaker
Date:
Thu Apr 25 18:12:17 2019 +0000
Revision:
43:233f93860d08
Parent:
41:4edac50f010d
Child:
44:cd10d07ea1e5
fixed a problem relating to snake not detecting blocks when it has just increased in length.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AhmedPlaymaker 7:48ba87cd79b5 1 #include "Snake.h"
AhmedPlaymaker 7:48ba87cd79b5 2
AhmedPlaymaker 7:48ba87cd79b5 3 Snake::Snake()
AhmedPlaymaker 7:48ba87cd79b5 4 {
AhmedPlaymaker 7:48ba87cd79b5 5
AhmedPlaymaker 7:48ba87cd79b5 6 }
AhmedPlaymaker 7:48ba87cd79b5 7
AhmedPlaymaker 7:48ba87cd79b5 8 Snake::~Snake()
AhmedPlaymaker 7:48ba87cd79b5 9 {
AhmedPlaymaker 7:48ba87cd79b5 10
AhmedPlaymaker 7:48ba87cd79b5 11 }
AhmedPlaymaker 7:48ba87cd79b5 12
AhmedPlaymaker 7:48ba87cd79b5 13 //The Snake Sprite.
AhmedPlaymaker 8:890b986b16a4 14 int snake_sprite[3][3] = {
AhmedPlaymaker 8:890b986b16a4 15 {0,1,0},
AhmedPlaymaker 8:890b986b16a4 16 {1,0,1},
AhmedPlaymaker 8:890b986b16a4 17 {0,1,0},
AhmedPlaymaker 9:d1d79d4ee673 18 };
AhmedPlaymaker 7:48ba87cd79b5 19
AhmedPlaymaker 7:48ba87cd79b5 20 void Snake::init()
AhmedPlaymaker 7:48ba87cd79b5 21 {
AhmedPlaymaker 18:b391caa5754c 22 _speed = 1;// change this according to the options selected
AhmedPlaymaker 30:461231877c89 23 m = 0; //Variable used to allow a starting location for the player.
AhmedPlaymaker 7:48ba87cd79b5 24 }
AhmedPlaymaker 7:48ba87cd79b5 25
AhmedPlaymaker 7:48ba87cd79b5 26
AhmedPlaymaker 41:4edac50f010d 27 void Snake::draw(Gamepad &pad, N5110 &lcd, int length, int level)
AhmedPlaymaker 33:249cf423fb18 28 {
AhmedPlaymaker 41:4edac50f010d 29 _length = length;
AhmedPlaymaker 7:48ba87cd79b5 30 if(m == 0){
AhmedPlaymaker 21:e41126528cc6 31 _x[0] = WIDTH/2; //Spawns player sprite near the middle of the screen.
AhmedPlaymaker 33:249cf423fb18 32 _y[0] = HEIGHT - 3;
AhmedPlaymaker 22:ee698f66146f 33
AhmedPlaymaker 22:ee698f66146f 34 for(int i=0; i<=13; i++) {
AhmedPlaymaker 22:ee698f66146f 35 _x[i+1] = _x[i];
AhmedPlaymaker 22:ee698f66146f 36 _y[i+1] = _y[i] - 3;
AhmedPlaymaker 22:ee698f66146f 37 b[i] = 1;
AhmedPlaymaker 22:ee698f66146f 38 }
AhmedPlaymaker 33:249cf423fb18 39 b[14] = 1;
AhmedPlaymaker 33:249cf423fb18 40 m = m+1;
AhmedPlaymaker 22:ee698f66146f 41 }
AhmedPlaymaker 21:e41126528cc6 42 //printf("SPRITE %d %d \n", _x[0], _y[0]);
AhmedPlaymaker 41:4edac50f010d 43 if(_length == 0) {
AhmedPlaymaker 32:3a3bdeffdf62 44 pad.init();
AhmedPlaymaker 16:7b474f873683 45 while ((pad.check_event(Gamepad::BACK_PRESSED) == false)) {
AhmedPlaymaker 16:7b474f873683 46 lcd.clear();
AhmedPlaymaker 16:7b474f873683 47 lcd.printString("Game",33,1);
AhmedPlaymaker 16:7b474f873683 48 lcd.printString("Over",33,3);
AhmedPlaymaker 16:7b474f873683 49 lcd.printString("Press Back",14,5); //Function used to promt the user to Restart.
AhmedPlaymaker 16:7b474f873683 50 lcd.refresh();
AhmedPlaymaker 16:7b474f873683 51 wait(0.1);
AhmedPlaymaker 16:7b474f873683 52 }
AhmedPlaymaker 16:7b474f873683 53 NVIC_SystemReset(); //Software Reset. //change this condition to loosing screen.
AhmedPlaymaker 8:890b986b16a4 54 }
AhmedPlaymaker 24:1c118b071430 55
AhmedPlaymaker 37:ee47699915b8 56 for(int a=1; a<=10; a++) {
AhmedPlaymaker 41:4edac50f010d 57 if(_length == a) {
AhmedPlaymaker 41:4edac50f010d 58 for(int i=0; i<=a-1; i++) {
AhmedPlaymaker 41:4edac50f010d 59 lcd.drawSprite(_x[i],_y[i],3,3,(int *)snake_sprite); //Function used to draw the sprite.
AhmedPlaymaker 41:4edac50f010d 60 }
AhmedPlaymaker 41:4edac50f010d 61 }
AhmedPlaymaker 41:4edac50f010d 62 }
AhmedPlaymaker 41:4edac50f010d 63 if(_length >= 10) {
AhmedPlaymaker 41:4edac50f010d 64 for(int a=1; a<=10; a++) {
AhmedPlaymaker 24:1c118b071430 65 for(int i=0; i<=a-1; i++) {
AhmedPlaymaker 24:1c118b071430 66 lcd.drawSprite(_x[i],_y[i],3,3,(int *)snake_sprite); //Function used to draw the sprite.
AhmedPlaymaker 24:1c118b071430 67 }
AhmedPlaymaker 24:1c118b071430 68 }
AhmedPlaymaker 8:890b986b16a4 69 }
AhmedPlaymaker 7:48ba87cd79b5 70 }
AhmedPlaymaker 19:05cc9f801468 71
AhmedPlaymaker 24:1c118b071430 72
AhmedPlaymaker 41:4edac50f010d 73 Vector2D Snake::get_pos()
AhmedPlaymaker 7:48ba87cd79b5 74 {
AhmedPlaymaker 37:ee47699915b8 75 for(int i=1; i<=10; i++) {
AhmedPlaymaker 41:4edac50f010d 76 if(_length == i) {
AhmedPlaymaker 24:1c118b071430 77 Vector2D snakepos = {_x[i-1],_y[i-1]}; //Obtains the snake position.
AhmedPlaymaker 24:1c118b071430 78 return snakepos;
AhmedPlaymaker 24:1c118b071430 79 }
AhmedPlaymaker 9:d1d79d4ee673 80 }
AhmedPlaymaker 41:4edac50f010d 81 if(_length >= 10) {
AhmedPlaymaker 37:ee47699915b8 82 Vector2D snakepos = {_x[9],_y[9]}; //Obtains the snake position.
AhmedPlaymaker 37:ee47699915b8 83 return snakepos;
AhmedPlaymaker 37:ee47699915b8 84 }
AhmedPlaymaker 24:1c118b071430 85 Vector2D snakepos = {-20,-20}; //Obtains the snake position.
AhmedPlaymaker 24:1c118b071430 86 return snakepos;
AhmedPlaymaker 7:48ba87cd79b5 87 //printf("snakepos from player = %f %f \n", snakepos.x, snakepos.y);
AhmedPlaymaker 13:9785f2404045 88 }
AhmedPlaymaker 13:9785f2404045 89
AhmedPlaymaker 41:4edac50f010d 90 Vector2D Snake::get_pos_before1() //this sends data of following sprites.
AhmedPlaymaker 13:9785f2404045 91 {
AhmedPlaymaker 37:ee47699915b8 92 for(int i=2; i<=10; i++) {
AhmedPlaymaker 41:4edac50f010d 93 if(_length == i) {
AhmedPlaymaker 24:1c118b071430 94 Vector2D snakepos_b1 = {_x[i-2],_y[i-2]}; //Obtains the snake position.
AhmedPlaymaker 24:1c118b071430 95 return snakepos_b1;
AhmedPlaymaker 24:1c118b071430 96 }
AhmedPlaymaker 13:9785f2404045 97 }
AhmedPlaymaker 41:4edac50f010d 98 if(_length >= 10) {
AhmedPlaymaker 37:ee47699915b8 99 Vector2D snakepos_b1 = {_x[8],_y[8]}; //Obtains the snake position.
AhmedPlaymaker 37:ee47699915b8 100 return snakepos_b1;
AhmedPlaymaker 37:ee47699915b8 101 }
AhmedPlaymaker 24:1c118b071430 102 Vector2D snakepos_b1 = {-20,-20}; //Obtains the snake position.
AhmedPlaymaker 24:1c118b071430 103 return snakepos_b1;
AhmedPlaymaker 24:1c118b071430 104 //printf("snakepos_b1 from player = %f %f \n", snakepos_b1.x, snakepos_b1.y);
AhmedPlaymaker 13:9785f2404045 105 }
AhmedPlaymaker 13:9785f2404045 106
AhmedPlaymaker 41:4edac50f010d 107 Vector2D Snake::get_pos_before2() //this sends data of following sprites.
AhmedPlaymaker 13:9785f2404045 108 {
AhmedPlaymaker 37:ee47699915b8 109 for(int i=3; i<=10; i++) {
AhmedPlaymaker 41:4edac50f010d 110 if(_length == i) {
AhmedPlaymaker 24:1c118b071430 111 Vector2D snakepos_b2 = {_x[i-3],_y[i-3]}; //Obtains the snake position.
AhmedPlaymaker 24:1c118b071430 112 return snakepos_b2;
AhmedPlaymaker 24:1c118b071430 113 }
AhmedPlaymaker 13:9785f2404045 114 }
AhmedPlaymaker 41:4edac50f010d 115 if(_length >= 10) {
AhmedPlaymaker 37:ee47699915b8 116 Vector2D snakepos_b2 = {_x[7],_y[7]}; //Obtains the snake position.
AhmedPlaymaker 37:ee47699915b8 117 return snakepos_b2;
AhmedPlaymaker 37:ee47699915b8 118 }
AhmedPlaymaker 24:1c118b071430 119 Vector2D snakepos_b2 = {-20,-20}; //Obtains the snake position.
AhmedPlaymaker 24:1c118b071430 120 return snakepos_b2;
AhmedPlaymaker 24:1c118b071430 121 //printf("snakepos_b2 from player = %f %f \n", snakepos_b2.x, snakepos_b2.y);
AhmedPlaymaker 13:9785f2404045 122 }
AhmedPlaymaker 13:9785f2404045 123
AhmedPlaymaker 41:4edac50f010d 124 Vector2D Snake::get_pos_before3() //this sends data of following sprites.
AhmedPlaymaker 13:9785f2404045 125 {
AhmedPlaymaker 37:ee47699915b8 126 for(int i=4; i<=10; i++) {
AhmedPlaymaker 41:4edac50f010d 127 if(_length == i) {
AhmedPlaymaker 24:1c118b071430 128 Vector2D snakepos_b3 = {_x[i-4],_y[i-4]}; //Obtains the snake position.
AhmedPlaymaker 24:1c118b071430 129 return snakepos_b3;
AhmedPlaymaker 24:1c118b071430 130 }
AhmedPlaymaker 13:9785f2404045 131 }
AhmedPlaymaker 41:4edac50f010d 132 if(_length >= 10) {
AhmedPlaymaker 37:ee47699915b8 133 Vector2D snakepos_b3 = {_x[6],_y[6]}; //Obtains the snake position.
AhmedPlaymaker 37:ee47699915b8 134 return snakepos_b3;
AhmedPlaymaker 37:ee47699915b8 135 }
AhmedPlaymaker 24:1c118b071430 136 Vector2D snakepos_b3 = {-20,-20}; //Obtains the snake position.
AhmedPlaymaker 24:1c118b071430 137 return snakepos_b3;
AhmedPlaymaker 24:1c118b071430 138 //printf("snakepos_b3 from player = %f %f \n", snakepos_b3.x, snakepos_b3.y);
AhmedPlaymaker 13:9785f2404045 139 }
AhmedPlaymaker 13:9785f2404045 140
AhmedPlaymaker 41:4edac50f010d 141 Vector2D Snake::get_pos_before4() //this sends data of following sprites.
AhmedPlaymaker 13:9785f2404045 142 {
AhmedPlaymaker 37:ee47699915b8 143 for(int i=5; i<=10; i++) {
AhmedPlaymaker 41:4edac50f010d 144 if(_length == i) {
AhmedPlaymaker 24:1c118b071430 145 Vector2D snakepos_b4 = {_x[i-5],_y[i-5]}; //Obtains the snake position.
AhmedPlaymaker 24:1c118b071430 146 return snakepos_b4;
AhmedPlaymaker 24:1c118b071430 147 }
AhmedPlaymaker 13:9785f2404045 148 }
AhmedPlaymaker 41:4edac50f010d 149 if(_length >= 10) {
AhmedPlaymaker 37:ee47699915b8 150 Vector2D snakepos_b4 = {_x[5],_y[5]}; //Obtains the snake position.
AhmedPlaymaker 37:ee47699915b8 151 return snakepos_b4;
AhmedPlaymaker 37:ee47699915b8 152 }
AhmedPlaymaker 24:1c118b071430 153 Vector2D snakepos_b4 = {-20,-20}; //Obtains the snake position.
AhmedPlaymaker 24:1c118b071430 154 return snakepos_b4;
AhmedPlaymaker 24:1c118b071430 155 //printf("snakepos_b4 from player = %f %f \n", snakepos_b4.x, snakepos_b4.y);
AhmedPlaymaker 13:9785f2404045 156 }
AhmedPlaymaker 13:9785f2404045 157
AhmedPlaymaker 41:4edac50f010d 158 Vector2D Snake::get_pos_before5() //this sends data of following sprites.
AhmedPlaymaker 13:9785f2404045 159 {
AhmedPlaymaker 37:ee47699915b8 160 for(int i=6; i<=10; i++) {
AhmedPlaymaker 41:4edac50f010d 161 if(_length == i) {
AhmedPlaymaker 24:1c118b071430 162 Vector2D snakepos_b5 = {_x[i-6],_y[i-6]}; //Obtains the snake position.
AhmedPlaymaker 24:1c118b071430 163 return snakepos_b5;
AhmedPlaymaker 24:1c118b071430 164 }
AhmedPlaymaker 13:9785f2404045 165 }
AhmedPlaymaker 41:4edac50f010d 166 if(_length >= 10) {
AhmedPlaymaker 37:ee47699915b8 167 Vector2D snakepos_b5 = {_x[4],_y[4]}; //Obtains the snake position.
AhmedPlaymaker 37:ee47699915b8 168 return snakepos_b5;
AhmedPlaymaker 37:ee47699915b8 169 }
AhmedPlaymaker 24:1c118b071430 170 Vector2D snakepos_b5 = {-20,-20}; //Obtains the snake position.
AhmedPlaymaker 24:1c118b071430 171 return snakepos_b5;
AhmedPlaymaker 24:1c118b071430 172 //printf("snakepos_b5 from player = %f %f \n", snakepos_b5.x, snakepos_b5.y);
AhmedPlaymaker 13:9785f2404045 173 }
AhmedPlaymaker 13:9785f2404045 174
AhmedPlaymaker 41:4edac50f010d 175 Vector2D Snake::get_pos_before6() //this sends data of following sprites.
AhmedPlaymaker 13:9785f2404045 176 {
AhmedPlaymaker 37:ee47699915b8 177 for(int i=7; i<=10; i++) {
AhmedPlaymaker 41:4edac50f010d 178 if(_length == i) {
AhmedPlaymaker 24:1c118b071430 179 Vector2D snakepos_b6 = {_x[i-7],_y[i-7]}; //Obtains the snake position.
AhmedPlaymaker 24:1c118b071430 180 return snakepos_b6;
AhmedPlaymaker 24:1c118b071430 181 }
AhmedPlaymaker 13:9785f2404045 182 }
AhmedPlaymaker 41:4edac50f010d 183 if(_length >= 10) {
AhmedPlaymaker 37:ee47699915b8 184 Vector2D snakepos_b6 = {_x[3],_y[3]}; //Obtains the snake position.
AhmedPlaymaker 37:ee47699915b8 185 return snakepos_b6;
AhmedPlaymaker 37:ee47699915b8 186 }
AhmedPlaymaker 24:1c118b071430 187 Vector2D snakepos_b6 = {-20,-20}; //Obtains the snake position.
AhmedPlaymaker 24:1c118b071430 188 return snakepos_b6;
AhmedPlaymaker 24:1c118b071430 189 //printf("snakepos_b6 from player = %f %f \n", snakepos_b6.x, snakepos_b6.y);
AhmedPlaymaker 13:9785f2404045 190 }
AhmedPlaymaker 13:9785f2404045 191
AhmedPlaymaker 41:4edac50f010d 192 Vector2D Snake::get_pos_before7() //this sends data of following sprites.
AhmedPlaymaker 13:9785f2404045 193 {
AhmedPlaymaker 37:ee47699915b8 194 for(int i=8; i<=10; i++) {
AhmedPlaymaker 41:4edac50f010d 195 if(_length == i) {
AhmedPlaymaker 24:1c118b071430 196 Vector2D snakepos_b7 = {_x[i-8],_y[i-8]}; //Obtains the snake position.
AhmedPlaymaker 24:1c118b071430 197 return snakepos_b7;
AhmedPlaymaker 24:1c118b071430 198 }
AhmedPlaymaker 13:9785f2404045 199 }
AhmedPlaymaker 41:4edac50f010d 200 if(_length >= 10) {
AhmedPlaymaker 37:ee47699915b8 201 Vector2D snakepos_b7 = {_x[2],_y[2]}; //Obtains the snake position.
AhmedPlaymaker 37:ee47699915b8 202 return snakepos_b7;
AhmedPlaymaker 37:ee47699915b8 203 }
AhmedPlaymaker 24:1c118b071430 204 Vector2D snakepos_b7 = {-20,-20}; //Obtains the snake position.
AhmedPlaymaker 24:1c118b071430 205 return snakepos_b7;
AhmedPlaymaker 24:1c118b071430 206 //printf("snakepos_b7 from player = %f %f \n", snakepos_b7.x, snakepos_b7.y);
AhmedPlaymaker 7:48ba87cd79b5 207 }
AhmedPlaymaker 7:48ba87cd79b5 208
AhmedPlaymaker 41:4edac50f010d 209 Vector2D Snake::get_pos_before8() //this sends data of following sprites.
AhmedPlaymaker 13:9785f2404045 210 {
AhmedPlaymaker 37:ee47699915b8 211 for(int i=9; i<=10; i++) {
AhmedPlaymaker 41:4edac50f010d 212 if(_length == i) {
AhmedPlaymaker 24:1c118b071430 213 Vector2D snakepos_b8 = {_x[i-9],_y[i-9]}; //Obtains the snake position.
AhmedPlaymaker 24:1c118b071430 214 return snakepos_b8;
AhmedPlaymaker 24:1c118b071430 215 }
AhmedPlaymaker 13:9785f2404045 216 }
AhmedPlaymaker 41:4edac50f010d 217 if(_length >= 10) {
AhmedPlaymaker 37:ee47699915b8 218 Vector2D snakepos_b8 = {_x[1],_y[1]}; //Obtains the snake position.
AhmedPlaymaker 37:ee47699915b8 219 return snakepos_b8;
AhmedPlaymaker 37:ee47699915b8 220 }
AhmedPlaymaker 24:1c118b071430 221 Vector2D snakepos_b8 = {-20,-20}; //Obtains the snake position.
AhmedPlaymaker 24:1c118b071430 222 return snakepos_b8;
AhmedPlaymaker 24:1c118b071430 223 //printf("snakepos_b8 from player = %f %f \n", snakepos_b8.x, snakepos_b8.y);
AhmedPlaymaker 13:9785f2404045 224 }
AhmedPlaymaker 7:48ba87cd79b5 225
AhmedPlaymaker 41:4edac50f010d 226 Vector2D Snake::get_pos_before9() //this sends data of following sprites.
AhmedPlaymaker 13:9785f2404045 227 {
AhmedPlaymaker 37:ee47699915b8 228 for(int i=10; i<=10; i++) {
AhmedPlaymaker 41:4edac50f010d 229 if(_length == i) {
AhmedPlaymaker 24:1c118b071430 230 Vector2D snakepos_b9 = {_x[i-10],_y[i-10]}; //Obtains the snake position.
AhmedPlaymaker 24:1c118b071430 231 return snakepos_b9;
AhmedPlaymaker 24:1c118b071430 232 }
AhmedPlaymaker 13:9785f2404045 233 }
AhmedPlaymaker 41:4edac50f010d 234 if(_length >= 10) {
AhmedPlaymaker 37:ee47699915b8 235 Vector2D snakepos_b9 = {_x[0],_y[0]}; //Obtains the snake position.
AhmedPlaymaker 37:ee47699915b8 236 return snakepos_b9;
AhmedPlaymaker 37:ee47699915b8 237 }
AhmedPlaymaker 24:1c118b071430 238 Vector2D snakepos_b9 = {-20,-20}; //Obtains the snake position.
AhmedPlaymaker 24:1c118b071430 239 return snakepos_b9;
AhmedPlaymaker 24:1c118b071430 240 //printf("snakepos_b9 from player = %f %f \n", snakepos_b9.x, snakepos_b9.y);
AhmedPlaymaker 13:9785f2404045 241 }
AhmedPlaymaker 13:9785f2404045 242
AhmedPlaymaker 41:4edac50f010d 243 void Snake::update(Direction d, int* b)
AhmedPlaymaker 13:9785f2404045 244 {
AhmedPlaymaker 41:4edac50f010d 245 if(_length >= 10) {_length = 10;} //to stop the snake length virtually at 10 when it goes past it.
AhmedPlaymaker 41:4edac50f010d 246
AhmedPlaymaker 25:e827f1a8fadc 247 //this makes all of the snake beeds chained together by making the lower ones drag towards where the top one was in the previous loop
AhmedPlaymaker 43:233f93860d08 248 //the b[i] makes sure that the snake beed doesn't move if that beed is deactivated by colliding with a barrier. b[i] also signifies the specific beed number by i.
AhmedPlaymaker 22:ee698f66146f 249 for(int i=0; i<=13; i++) {
AhmedPlaymaker 37:ee47699915b8 250 if((_length > i+1)&&(_x[i] != _x[i+1])) {
AhmedPlaymaker 22:ee698f66146f 251 if ((_x[i] > _x[i+1])&&(b[i+1] == 1)&&(b[i] == 1)) {
AhmedPlaymaker 22:ee698f66146f 252 _x[i]-=_speed;
AhmedPlaymaker 8:890b986b16a4 253 }
AhmedPlaymaker 22:ee698f66146f 254 if ((_x[i] < _x[i+1])&&(b[i+1] == 1)&&(b[i] == 1)) {
AhmedPlaymaker 22:ee698f66146f 255 _x[i]+=_speed;
AhmedPlaymaker 22:ee698f66146f 256 }
AhmedPlaymaker 21:e41126528cc6 257 }
AhmedPlaymaker 21:e41126528cc6 258 }
AhmedPlaymaker 25:e827f1a8fadc 259 //this makes the controls of W/E directions only exclusive to the top beed in the snake
AhmedPlaymaker 22:ee698f66146f 260 for(int i=14; i>=0; i--) {
AhmedPlaymaker 37:ee47699915b8 261 if((_length == i+1)&&(b[i] == 1)) {
AhmedPlaymaker 32:3a3bdeffdf62 262
AhmedPlaymaker 32:3a3bdeffdf62 263 if (d == E) {_x[i]+= _speed;}
AhmedPlaymaker 32:3a3bdeffdf62 264
AhmedPlaymaker 32:3a3bdeffdf62 265 if (d == W) {_x[i]-= _speed;}
AhmedPlaymaker 32:3a3bdeffdf62 266
AhmedPlaymaker 22:ee698f66146f 267 }
AhmedPlaymaker 7:48ba87cd79b5 268 }
AhmedPlaymaker 7:48ba87cd79b5 269
AhmedPlaymaker 9:d1d79d4ee673 270 // the following makes sure that when the length is increased, the snake stays where it was when it ate food.
AhmedPlaymaker 7:48ba87cd79b5 271
AhmedPlaymaker 32:3a3bdeffdf62 272 for(int i=2; i<=15; i++) {
AhmedPlaymaker 32:3a3bdeffdf62 273
AhmedPlaymaker 37:ee47699915b8 274 if(_length < i) {_x[i-1] = _x[i-2];}
AhmedPlaymaker 9:d1d79d4ee673 275 }
AhmedPlaymaker 9:d1d79d4ee673 276
AhmedPlaymaker 25:e827f1a8fadc 277 //Limits set so that the snake does not travel off the screen.
AhmedPlaymaker 22:ee698f66146f 278 for(int i=0; i<=14; i++) {
AhmedPlaymaker 32:3a3bdeffdf62 279
AhmedPlaymaker 32:3a3bdeffdf62 280 if (_x[i] <= 0) {_x[i] = 0;}
AhmedPlaymaker 32:3a3bdeffdf62 281
AhmedPlaymaker 32:3a3bdeffdf62 282 if (_x[i] > 81) {_x[i] = 81;}
AhmedPlaymaker 8:890b986b16a4 283 }
AhmedPlaymaker 7:48ba87cd79b5 284 }
AhmedPlaymaker 7:48ba87cd79b5 285