Ahmed Adamjee / Mbed 2 deprecated SnakeVSBlock

Snake vs Block Game to be run upon K64F.

Dependencies:   mbed

SnakevsBlock/SnakevsBlock.cpp@44:cd10d07ea1e5, 2019-04-25 (annotated)

Committer:
AhmedPlaymaker
Date:
Thu Apr 25 21:43:07 2019 +0000
Revision:
44:cd10d07ea1e5
Parent:
43:233f93860d08
Child:
46:dc7dccae9f9e
I have created a class to display win/loose screen now.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AhmedPlaymaker 7:48ba87cd79b5 1 #include "SnakevsBlock.h"
AhmedPlaymaker 7:48ba87cd79b5 2
AhmedPlaymaker 7:48ba87cd79b5 3 SnakevsBlock::SnakevsBlock()
AhmedPlaymaker 7:48ba87cd79b5 4 {
AhmedPlaymaker 7:48ba87cd79b5 5
AhmedPlaymaker 7:48ba87cd79b5 6 }
AhmedPlaymaker 7:48ba87cd79b5 7
AhmedPlaymaker 7:48ba87cd79b5 8 SnakevsBlock::~SnakevsBlock()
AhmedPlaymaker 7:48ba87cd79b5 9 {
AhmedPlaymaker 7:48ba87cd79b5 10
AhmedPlaymaker 7:48ba87cd79b5 11 }
AhmedPlaymaker 7:48ba87cd79b5 12
AhmedPlaymaker 7:48ba87cd79b5 13 void SnakevsBlock::init()
AhmedPlaymaker 7:48ba87cd79b5 14 {
AhmedPlaymaker 41:4edac50f010d 15 //The level initialisation and all the other initial information passing will be done here
AhmedPlaymaker 19:05cc9f801468 16 level = 1;
AhmedPlaymaker 41:4edac50f010d 17 garbage = 0; //this is to allow the user to change the position of reference for motion control by saving the absolute angle.
AhmedPlaymaker 41:4edac50f010d 18 foodbuff = 0; //this makes the food fall at diffrent times when a particular level starts.
AhmedPlaymaker 42:973bb6036f81 19 send_block_number = 0;
AhmedPlaymaker 44:cd10d07ea1e5 20 blockgap = 300;
AhmedPlaymaker 32:3a3bdeffdf62 21 blockbuff = -50;
AhmedPlaymaker 22:ee698f66146f 22 for(int i=0; i<=14; i++) {
AhmedPlaymaker 22:ee698f66146f 23 b[i] = 1;
AhmedPlaymaker 22:ee698f66146f 24 }
AhmedPlaymaker 41:4edac50f010d 25 _l.init();
AhmedPlaymaker 25:e827f1a8fadc 26 _s.init();
AhmedPlaymaker 25:e827f1a8fadc 27 _f.init();
AhmedPlaymaker 25:e827f1a8fadc 28 _ff.init();
AhmedPlaymaker 25:e827f1a8fadc 29 _fff.init();
AhmedPlaymaker 25:e827f1a8fadc 30 _b.init();
AhmedPlaymaker 7:48ba87cd79b5 31 }
AhmedPlaymaker 7:48ba87cd79b5 32
AhmedPlaymaker 41:4edac50f010d 33 void SnakevsBlock::reset()
AhmedPlaymaker 41:4edac50f010d 34 {
AhmedPlaymaker 41:4edac50f010d 35 //This prepares the game for the next level by reseting certain variables.
AhmedPlaymaker 41:4edac50f010d 36 foodbuff = 0;
AhmedPlaymaker 44:cd10d07ea1e5 37 for(int i=0; i<=2; i++) {
AhmedPlaymaker 44:cd10d07ea1e5 38 food_pos[i].x = 0;
AhmedPlaymaker 44:cd10d07ea1e5 39 food_pos[i].y = 0;
AhmedPlaymaker 44:cd10d07ea1e5 40 }
AhmedPlaymaker 44:cd10d07ea1e5 41 _l.init();
AhmedPlaymaker 42:973bb6036f81 42 _s.init();
AhmedPlaymaker 41:4edac50f010d 43 _f.init();
AhmedPlaymaker 41:4edac50f010d 44 _ff.init();
AhmedPlaymaker 41:4edac50f010d 45 _fff.init();
AhmedPlaymaker 41:4edac50f010d 46 _b.init();
AhmedPlaymaker 41:4edac50f010d 47 }
AhmedPlaymaker 7:48ba87cd79b5 48
AhmedPlaymaker 39:210ac915e0a0 49 void SnakevsBlock::read_input(Gamepad &pad, FXOS8700CQ &device, int g_mode)
AhmedPlaymaker 7:48ba87cd79b5 50 {
AhmedPlaymaker 38:30e4e6191762 51 device.get_values();
AhmedPlaymaker 38:30e4e6191762 52 angle = -device.get_roll_angle();
AhmedPlaymaker 38:30e4e6191762 53 //if button A is pressed then reset that particular position to center
AhmedPlaymaker 38:30e4e6191762 54 if (pad.check_event(Gamepad::A_PRESSED) == true) {
AhmedPlaymaker 38:30e4e6191762 55 garbage = angle;
AhmedPlaymaker 38:30e4e6191762 56 }
AhmedPlaymaker 38:30e4e6191762 57 device.get_values();
AhmedPlaymaker 38:30e4e6191762 58 angle = -device.get_roll_angle() - garbage;
AhmedPlaymaker 39:210ac915e0a0 59 if(g_mode == 1) { //this condition returns the relevant working directions if we select joystick in StartScreen.
AhmedPlaymaker 38:30e4e6191762 60 _d = pad.get_direction(); //Obtains Direction pushed towards on Joystick.
AhmedPlaymaker 38:30e4e6191762 61 _mag = pad.get_mag(); //Obtains Magnitude of Joystick.
AhmedPlaymaker 38:30e4e6191762 62 }
AhmedPlaymaker 39:210ac915e0a0 63 else if(g_mode == 2) { //this condition returns the relevant working directions if we select motion control in StartScreen.
AhmedPlaymaker 38:30e4e6191762 64 if (angle >= 8) {
AhmedPlaymaker 38:30e4e6191762 65 _d = E;
AhmedPlaymaker 38:30e4e6191762 66 }
AhmedPlaymaker 38:30e4e6191762 67 else if (angle <= -8) {
AhmedPlaymaker 38:30e4e6191762 68 _d = W;
AhmedPlaymaker 38:30e4e6191762 69 }
AhmedPlaymaker 38:30e4e6191762 70 else {
AhmedPlaymaker 38:30e4e6191762 71 _d = CENTRE;
AhmedPlaymaker 38:30e4e6191762 72 }
AhmedPlaymaker 38:30e4e6191762 73 }
AhmedPlaymaker 38:30e4e6191762 74 device.get_values();
AhmedPlaymaker 38:30e4e6191762 75 //printf("%d",gm);
AhmedPlaymaker 38:30e4e6191762 76 //printf("%f",angle);
AhmedPlaymaker 38:30e4e6191762 77 //printf("%f",device.get_roll_angle());
AhmedPlaymaker 7:48ba87cd79b5 78 }
AhmedPlaymaker 7:48ba87cd79b5 79
AhmedPlaymaker 41:4edac50f010d 80 void SnakevsBlock::draw(N5110 &lcd, Gamepad &pad, SDFileSystem &sd) {
AhmedPlaymaker 41:4edac50f010d 81 _length = _l._getLength();
AhmedPlaymaker 41:4edac50f010d 82 _s.draw(pad, lcd, _length, level); //Draws the Snake. //Make these snake buffs relative to the snake drops which in turn relate to the game speed
AhmedPlaymaker 41:4edac50f010d 83 if(foodbuff >= 0) {
AhmedPlaymaker 36:dfdd619874ae 84 _f.draw(lcd, blockbuff); //Draws the first food.
AhmedPlaymaker 39:210ac915e0a0 85 }
AhmedPlaymaker 41:4edac50f010d 86 if(foodbuff >= 50) {
AhmedPlaymaker 39:210ac915e0a0 87 _ff.draw(lcd, blockbuff); //Draws the second food.
AhmedPlaymaker 9:d1d79d4ee673 88 }
AhmedPlaymaker 41:4edac50f010d 89 if(foodbuff >= 80) {
AhmedPlaymaker 39:210ac915e0a0 90 _fff.draw(lcd, blockbuff); //Draws the third food.
AhmedPlaymaker 39:210ac915e0a0 91 }
AhmedPlaymaker 39:210ac915e0a0 92 foodbuff +=1;
AhmedPlaymaker 41:4edac50f010d 93 if(foodbuff >= 8) {
AhmedPlaymaker 41:4edac50f010d 94 _b.draw(lcd, _length, blockgap);
AhmedPlaymaker 19:05cc9f801468 95 }
AhmedPlaymaker 36:dfdd619874ae 96 if(foodbuff == 8) {
AhmedPlaymaker 38:30e4e6191762 97 blockbuff = -10;
AhmedPlaymaker 13:9785f2404045 98 }
AhmedPlaymaker 7:48ba87cd79b5 99 //Code to print length on game screen.
AhmedPlaymaker 41:4edac50f010d 100 _l.print_length_on_screen(lcd);
AhmedPlaymaker 41:4edac50f010d 101
AhmedPlaymaker 41:4edac50f010d 102 if(_length >= 20) {
AhmedPlaymaker 41:4edac50f010d 103 _statset.write(level, sd);
AhmedPlaymaker 41:4edac50f010d 104 SnakevsBlock::reset();
AhmedPlaymaker 44:cd10d07ea1e5 105 _wl.LevelComplete(lcd, pad, food_pos, level, blockgap);
AhmedPlaymaker 44:cd10d07ea1e5 106 }
AhmedPlaymaker 44:cd10d07ea1e5 107 if(_length == 0) {
AhmedPlaymaker 44:cd10d07ea1e5 108 _wl.GameOver(lcd,pad);
AhmedPlaymaker 44:cd10d07ea1e5 109 }
AhmedPlaymaker 41:4edac50f010d 110 }
AhmedPlaymaker 39:210ac915e0a0 111
AhmedPlaymaker 41:4edac50f010d 112 int SnakevsBlock::update(Gamepad &pad) //Updates objects on screen.
AhmedPlaymaker 39:210ac915e0a0 113 {
AhmedPlaymaker 42:973bb6036f81 114 send_block_number = 0; //this is for the game to decide wether to remember the number on the block for the current itteration.
AhmedPlaymaker 42:973bb6036f81 115 //we dont need to remember if it has already gone past the screen.
AhmedPlaymaker 43:233f93860d08 116 CheckSnakeFoodCollision(pad); //Function checks for when the snake collides with it's food.
AhmedPlaymaker 18:b391caa5754c 117 CheckSnakeBlockCollision(pad); //Function checks for when the snake collides with any of the blocks.
AhmedPlaymaker 38:30e4e6191762 118 CheckSnakeBlockSidesCollision(pad); //Function checks for when the snake collides with any of the blocks' sides.
AhmedPlaymaker 41:4edac50f010d 119 _s.update(_d, b); //_d is the direction of joystick and b controls the motion of a section of the snake relative to obstruction
AhmedPlaymaker 9:d1d79d4ee673 120 _f.update();
AhmedPlaymaker 9:d1d79d4ee673 121 _ff.update();
AhmedPlaymaker 9:d1d79d4ee673 122 _fff.update();
AhmedPlaymaker 42:973bb6036f81 123 _b.update(blocknum, srn, send_block_number);
AhmedPlaymaker 19:05cc9f801468 124 blockbuff++;
AhmedPlaymaker 41:4edac50f010d 125 if(blockbuff >= blockgap) { //this makes blockbuff reset every time the new set of blocks appear.
AhmedPlaymaker 36:dfdd619874ae 126 blockbuff = -11;
AhmedPlaymaker 19:05cc9f801468 127 }
AhmedPlaymaker 25:e827f1a8fadc 128 if(pad.check_event(Gamepad::BACK_PRESSED)){ //Waits for Back button to be pressed.
AhmedPlaymaker 25:e827f1a8fadc 129 back = 1;
AhmedPlaymaker 25:e827f1a8fadc 130 //add some warning here and use A as the button to confirm
AhmedPlaymaker 25:e827f1a8fadc 131 SnakevsBlock::init();
AhmedPlaymaker 25:e827f1a8fadc 132 }
AhmedPlaymaker 25:e827f1a8fadc 133 else {
AhmedPlaymaker 25:e827f1a8fadc 134 back = 0;
AhmedPlaymaker 25:e827f1a8fadc 135 }
AhmedPlaymaker 25:e827f1a8fadc 136 return back;
AhmedPlaymaker 7:48ba87cd79b5 137 }
AhmedPlaymaker 7:48ba87cd79b5 138
AhmedPlaymaker 7:48ba87cd79b5 139 void SnakevsBlock::get_pos()
AhmedPlaymaker 7:48ba87cd79b5 140 {
AhmedPlaymaker 7:48ba87cd79b5 141 //printf("player pos = %f %f \n", player_pos.x, player_pos.y); //top left of player sprite
AhmedPlaymaker 7:48ba87cd79b5 142 // 81.000000 0.000000 top right
AhmedPlaymaker 7:48ba87cd79b5 143 // 0.000000 0.000000 is top left
AhmedPlaymaker 7:48ba87cd79b5 144 // 81.000000 45.000000 bottom right
AhmedPlaymaker 43:233f93860d08 145 snakex = _s.get_pos().x; //this could be snake_pos[0].x or simply snake_pos[0] to represent both x&y but as it is used the most, it improves readability.
AhmedPlaymaker 43:233f93860d08 146 snakey = _s.get_pos().y; //this could be snake_pos[0].y or simply snake_pos[0] to represent both x&y but as it is used the most, it improves readability.
AhmedPlaymaker 7:48ba87cd79b5 147 //printf("snakexy in GAME = %d %d \n", snakex, snakey);
AhmedPlaymaker 41:4edac50f010d 148 //Obtains all required coordinates.
AhmedPlaymaker 41:4edac50f010d 149 food_pos[0] = _f.get_pos();
AhmedPlaymaker 41:4edac50f010d 150 food_pos[1] = _ff.get_pos();
AhmedPlaymaker 41:4edac50f010d 151 food_pos[2] = _fff.get_pos();
AhmedPlaymaker 41:4edac50f010d 152 //obtains origin cordinates of block.
AhmedPlaymaker 41:4edac50f010d 153 b_pos = _b.get_pos();
AhmedPlaymaker 41:4edac50f010d 154 //this saves the positions of each snake beed (the first to the last) in a single array. Element[0] is the top beed and soo on.
AhmedPlaymaker 41:4edac50f010d 155 snake_pos[0] = _s.get_pos(); //gets the position of the top beed and saves in array.
AhmedPlaymaker 41:4edac50f010d 156 snake_pos[1] = _s.get_pos_before1(); //gets the position of the second beed and saves in array.
AhmedPlaymaker 41:4edac50f010d 157 snake_pos[2] = _s.get_pos_before2(); //gets the position of the third beed and saves in array.
AhmedPlaymaker 41:4edac50f010d 158 snake_pos[3] = _s.get_pos_before3(); //gets the position of the fourth beed and saves in array.
AhmedPlaymaker 41:4edac50f010d 159 snake_pos[4] = _s.get_pos_before4(); //gets the position of the fifth beed and saves in array.
AhmedPlaymaker 41:4edac50f010d 160 snake_pos[5] = _s.get_pos_before5(); //gets the position of the sixth beed and saves in array.
AhmedPlaymaker 41:4edac50f010d 161 snake_pos[6] = _s.get_pos_before6(); //gets the position of the seventh beed and saves in array.
AhmedPlaymaker 41:4edac50f010d 162 snake_pos[7] = _s.get_pos_before7(); //gets the position of the eight beed and saves in array.
AhmedPlaymaker 41:4edac50f010d 163 snake_pos[8] = _s.get_pos_before8(); //gets the position of the ninth beed and saves in array.
AhmedPlaymaker 41:4edac50f010d 164 snake_pos[9] = _s.get_pos_before9(); //gets the position of the last beed and saves in array.
AhmedPlaymaker 7:48ba87cd79b5 165 }
AhmedPlaymaker 7:48ba87cd79b5 166
AhmedPlaymaker 9:d1d79d4ee673 167
AhmedPlaymaker 27:3b4775a0d0bb 168 void SnakevsBlock::CheckSnakeFoodCollision(Gamepad &pad) {
AhmedPlaymaker 32:3a3bdeffdf62 169 //If statements check if the snake sprite has collided with any
AhmedPlaymaker 32:3a3bdeffdf62 170 //of the three food sprites, if so then the food location is reset and
AhmedPlaymaker 32:3a3bdeffdf62 171 //length of the snake is increased using the length variable.
AhmedPlaymaker 29:c6358c39a70e 172 for(int y=0; y<=2; y++) { //this loop automatically detects each combination of collision in the y postion
AhmedPlaymaker 29:c6358c39a70e 173 for(int x=0; x<=2; x++) { //this loop automatically detects each combination of collision in the x postion
AhmedPlaymaker 29:c6358c39a70e 174 for(int food_sr=0; food_sr<=2; food_sr++) { //this loop automatically detects which food we are interacting with.
AhmedPlaymaker 29:c6358c39a70e 175 if (
AhmedPlaymaker 41:4edac50f010d 176 ((snakey + y == food_pos[food_sr].y) ||
AhmedPlaymaker 41:4edac50f010d 177 (snakey + y == food_pos[food_sr].y + 1) ||
AhmedPlaymaker 41:4edac50f010d 178 (snakey + y == food_pos[food_sr].y + 2)) &&
AhmedPlaymaker 41:4edac50f010d 179 ((snakex + x == food_pos[food_sr].x) ||
AhmedPlaymaker 41:4edac50f010d 180 (snakex + x == food_pos[food_sr].x + 1) ||
AhmedPlaymaker 41:4edac50f010d 181 (snakex + x == food_pos[food_sr].x + 2))
AhmedPlaymaker 29:c6358c39a70e 182 ) {
AhmedPlaymaker 29:c6358c39a70e 183 //printf("snake feast working \n");
AhmedPlaymaker 29:c6358c39a70e 184 //audio feedback
AhmedPlaymaker 29:c6358c39a70e 185 pad.tone(1000.0,0.1);
AhmedPlaymaker 38:30e4e6191762 186 food_pos[food_sr].x = (rand() % 82); //this makes the food pop up at a random, unspecified location in the x axis.
AhmedPlaymaker 38:30e4e6191762 187 food_pos[food_sr].y = -3;
AhmedPlaymaker 41:4edac50f010d 188 _l.PlusLength();
AhmedPlaymaker 29:c6358c39a70e 189 }
AhmedPlaymaker 25:e827f1a8fadc 190 }
AhmedPlaymaker 25:e827f1a8fadc 191 }
AhmedPlaymaker 9:d1d79d4ee673 192 }
AhmedPlaymaker 29:c6358c39a70e 193 _f.set_pos(food_pos[0]);
AhmedPlaymaker 29:c6358c39a70e 194 _ff.set_pos(food_pos[1]);
AhmedPlaymaker 29:c6358c39a70e 195 _fff.set_pos(food_pos[2]);
AhmedPlaymaker 29:c6358c39a70e 196 }
AhmedPlaymaker 12:1e601b176437 197
AhmedPlaymaker 39:210ac915e0a0 198 void SnakevsBlock::CheckSnakeBlockCollision(Gamepad &pad) {
AhmedPlaymaker 41:4edac50f010d 199 //Obtains the numbers inside the block.
AhmedPlaymaker 39:210ac915e0a0 200 b_number = _b.get_number();
AhmedPlaymaker 39:210ac915e0a0 201 //If statements check if the snake sprite has collided with any
AhmedPlaymaker 39:210ac915e0a0 202 //of the blocks which are a maximum of 5, if so then the snake length reduces and the block number reduces
AhmedPlaymaker 39:210ac915e0a0 203 //the block has to move slower and come down after every 2/3 iterations(dependent on the snake size.(think about this)
AhmedPlaymaker 39:210ac915e0a0 204 for(int block=0; block<=83; block+=1) { //this loop automatically detects for each section of block and each combination of collision
AhmedPlaymaker 43:233f93860d08 205 if (((snakey == b_pos.y + 11)||(snakey == b_pos.y + 10)||(snakey == b_pos.y + 9)) && (snakex + 1 == b_pos.x + block)) {
AhmedPlaymaker 43:233f93860d08 206 //the or for the block's y position is due to the fact the exact y co-ordinate might not be collided if the snake's length has increased in the same itteration.
AhmedPlaymaker 39:210ac915e0a0 207 //printf("snake collision working \n");
AhmedPlaymaker 39:210ac915e0a0 208 //audio feedback
AhmedPlaymaker 39:210ac915e0a0 209 if(blocknum > 0) {b_pos.y = 0;} //change this to speed y = 0 when length = 10.
AhmedPlaymaker 39:210ac915e0a0 210 srn = CheckBlock(block); //this tells us which of the 5 blocks we are colliding with
AhmedPlaymaker 39:210ac915e0a0 211 blocknum = b_number[srn];
AhmedPlaymaker 39:210ac915e0a0 212 ImplementCollision(pad);
AhmedPlaymaker 41:4edac50f010d 213 if((_length>=10)&&(b_number[srn]>0)) { //this makes the block stop moving down if it's length is more than 10 and still collides.
AhmedPlaymaker 39:210ac915e0a0 214 velocity = 0;
AhmedPlaymaker 33:249cf423fb18 215 }
AhmedPlaymaker 39:210ac915e0a0 216 else {
AhmedPlaymaker 39:210ac915e0a0 217 velocity = 1;
AhmedPlaymaker 39:210ac915e0a0 218 }
AhmedPlaymaker 39:210ac915e0a0 219 SnakevsBlock::_set_velocity();
AhmedPlaymaker 12:1e601b176437 220 }
AhmedPlaymaker 39:210ac915e0a0 221 }
AhmedPlaymaker 39:210ac915e0a0 222 }
AhmedPlaymaker 39:210ac915e0a0 223
AhmedPlaymaker 39:210ac915e0a0 224 void SnakevsBlock::_set_velocity() {
AhmedPlaymaker 39:210ac915e0a0 225 _b.velocity.y = velocity;
AhmedPlaymaker 39:210ac915e0a0 226 _f.velocity.y = velocity;
AhmedPlaymaker 39:210ac915e0a0 227 _ff.velocity.y = velocity;
AhmedPlaymaker 39:210ac915e0a0 228 _fff.velocity.y = velocity;
AhmedPlaymaker 27:3b4775a0d0bb 229 }
AhmedPlaymaker 29:c6358c39a70e 230
AhmedPlaymaker 29:c6358c39a70e 231 int SnakevsBlock::CheckBlock(int block) {
AhmedPlaymaker 29:c6358c39a70e 232 int srn;
AhmedPlaymaker 29:c6358c39a70e 233 if((block>=0)&&(block<=18)) {srn = 0;}
AhmedPlaymaker 29:c6358c39a70e 234 if((block>=19)&&(block<=34)) {srn = 1;}
AhmedPlaymaker 29:c6358c39a70e 235 if((block>=35)&&(block<=50)) {srn = 2;}
AhmedPlaymaker 29:c6358c39a70e 236 if((block>=51)&&(block<=66)) {srn = 3;}
AhmedPlaymaker 29:c6358c39a70e 237 if((block>=67)&&(block<=83)) {srn = 4;}
AhmedPlaymaker 29:c6358c39a70e 238 return srn;
AhmedPlaymaker 29:c6358c39a70e 239 }
AhmedPlaymaker 27:3b4775a0d0bb 240
AhmedPlaymaker 27:3b4775a0d0bb 241 void SnakevsBlock::ImplementCollision(Gamepad &pad) {
AhmedPlaymaker 42:973bb6036f81 242 send_block_number = 1;
AhmedPlaymaker 44:cd10d07ea1e5 243 if(blocknum > 0) { // to make sure that snake doesn't decrease in _length if number on the block is less than 1;
AhmedPlaymaker 41:4edac50f010d 244 _l.MinusLength();
AhmedPlaymaker 27:3b4775a0d0bb 245 pad.tone(1000.0,0.1);
AhmedPlaymaker 29:c6358c39a70e 246 wait(0.04);
AhmedPlaymaker 12:1e601b176437 247 }
AhmedPlaymaker 44:cd10d07ea1e5 248 blocknum-=1;
AhmedPlaymaker 13:9785f2404045 249 }
AhmedPlaymaker 13:9785f2404045 250
AhmedPlaymaker 38:30e4e6191762 251 void SnakevsBlock::CheckSnakeBlockSidesCollision(Gamepad &pad)
AhmedPlaymaker 42:973bb6036f81 252 {
AhmedPlaymaker 42:973bb6036f81 253 //If statements check if the snake sprite has collided with any
AhmedPlaymaker 42:973bb6036f81 254 //of the blocks' sides and then stop the snake moving in x axis
AhmedPlaymaker 13:9785f2404045 255
AhmedPlaymaker 42:973bb6036f81 256 if(_length>=10) {_length = 10;} //to stop the snake length virtually at 10 when it goes past it.
AhmedPlaymaker 37:ee47699915b8 257
AhmedPlaymaker 42:973bb6036f81 258 for(int i=0; i<=9; i++) {
AhmedPlaymaker 42:973bb6036f81 259 b[i] = 1;
AhmedPlaymaker 42:973bb6036f81 260 }
AhmedPlaymaker 37:ee47699915b8 261 for(int i=0; i<=9; i++) { //i checks for all possible collisions with the snake respective to it's length.
AhmedPlaymaker 36:dfdd619874ae 262 for(int b_y_combination=0; b_y_combination<=10; b_y_combination++) {
AhmedPlaymaker 26:3495f7b0ede7 263 if (
AhmedPlaymaker 36:dfdd619874ae 264 (snake_pos[i].y == b_pos.y + b_y_combination) ||
AhmedPlaymaker 36:dfdd619874ae 265 (snake_pos[i].y + 1 == b_pos.y + b_y_combination) ||
AhmedPlaymaker 36:dfdd619874ae 266 (snake_pos[i].y + 2 == b_pos.y + b_y_combination)) {
AhmedPlaymaker 36:dfdd619874ae 267 for(int b_x_combination=2; b_x_combination<=82; b_x_combination+=16) {
AhmedPlaymaker 36:dfdd619874ae 268 //For West side of walls
AhmedPlaymaker 36:dfdd619874ae 269 if(
AhmedPlaymaker 36:dfdd619874ae 270 ((snake_pos[i].x == b_pos.x + b_x_combination+2) || //W
AhmedPlaymaker 38:30e4e6191762 271 (snake_pos[i].x + 1 == b_x_combination+2))&&(_d != E)&&(_length > i) //W
AhmedPlaymaker 36:dfdd619874ae 272 ) {
AhmedPlaymaker 36:dfdd619874ae 273 //code makes sure that the colliding part doesn't move in x axis.
AhmedPlaymaker 37:ee47699915b8 274 for(int snake_beed_num=0; snake_beed_num<=10; snake_beed_num++) {
AhmedPlaymaker 37:ee47699915b8 275 if(_length == snake_beed_num + i) {
AhmedPlaymaker 36:dfdd619874ae 276 b[snake_beed_num - 1] = 0;
AhmedPlaymaker 36:dfdd619874ae 277 }
AhmedPlaymaker 26:3495f7b0ede7 278 }
AhmedPlaymaker 25:e827f1a8fadc 279 }
AhmedPlaymaker 36:dfdd619874ae 280 //for East side of walls
AhmedPlaymaker 36:dfdd619874ae 281 else if (
AhmedPlaymaker 36:dfdd619874ae 282 ((snake_pos[i].x + 1 == b_x_combination) || //E
AhmedPlaymaker 38:30e4e6191762 283 (snake_pos[i].x + 2 == b_x_combination))&&(_d != W)&&(_length > i) //E
AhmedPlaymaker 36:dfdd619874ae 284 ) {
AhmedPlaymaker 36:dfdd619874ae 285 //code makes sure that the colliding part doesn't move in x axis.
AhmedPlaymaker 37:ee47699915b8 286 for(int snake_beed_num=0; snake_beed_num<=10; snake_beed_num++) {
AhmedPlaymaker 37:ee47699915b8 287 if(_length == snake_beed_num + i) {
AhmedPlaymaker 36:dfdd619874ae 288 b[snake_beed_num - 1] = 0;
AhmedPlaymaker 36:dfdd619874ae 289 }
AhmedPlaymaker 32:3a3bdeffdf62 290 }
AhmedPlaymaker 32:3a3bdeffdf62 291 }
AhmedPlaymaker 26:3495f7b0ede7 292 }
AhmedPlaymaker 25:e827f1a8fadc 293 }
AhmedPlaymaker 24:1c118b071430 294 }
AhmedPlaymaker 15:f4d069da093d 295 }
AhmedPlaymaker 22:ee698f66146f 296 }