Ahmed Adamjee / Mbed 2 deprecated SnakeVSBlock

Snake vs Block Game to be run upon K64F.

Dependencies:   mbed

GameEngine/SnakevsBlock/SnakevsBlock.cpp@58:affb42c56cf8, 2019-04-28 (annotated)

Committer:
AhmedPlaymaker
Date:
Sun Apr 28 19:40:50 2019 +0000
Revision:
58:affb42c56cf8
Parent:
56:142e9fdb77a8
Child:
59:c65a2e933c47
added led feedback for motion control

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 56:142e9fdb77a8 19 send_block_number = 0; //this is 0 when there is no collision, thus block number isn't remembered for next set (which would lead to empty blocks).
AhmedPlaymaker 56:142e9fdb77a8 20 blockgap = 350; //this is the number of itterations the block will reccur after in the first level.
AhmedPlaymaker 49:441c32f6603e 21 for(int i=0; i<=14; i++) {b[i] = 1;} //makes all the snake beads move by default.
AhmedPlaymaker 49:441c32f6603e 22 SnakevsBlock::object_initialisations();
AhmedPlaymaker 7:48ba87cd79b5 23 }
AhmedPlaymaker 7:48ba87cd79b5 24
AhmedPlaymaker 41:4edac50f010d 25 void SnakevsBlock::reset()
AhmedPlaymaker 41:4edac50f010d 26 {
AhmedPlaymaker 41:4edac50f010d 27 //This prepares the game for the next level by reseting certain variables.
AhmedPlaymaker 41:4edac50f010d 28 foodbuff = 0;
AhmedPlaymaker 56:142e9fdb77a8 29 if(blockgap >= 50) {blockgap -= 30;} //to make progressive levels harder by making the blocks drop more frequently.
AhmedPlaymaker 49:441c32f6603e 30 SnakevsBlock::object_initialisations();
AhmedPlaymaker 49:441c32f6603e 31 }
AhmedPlaymaker 49:441c32f6603e 32
AhmedPlaymaker 49:441c32f6603e 33 void SnakevsBlock::object_initialisations()
AhmedPlaymaker 49:441c32f6603e 34 {
AhmedPlaymaker 49:441c32f6603e 35 _l.init(); //length calc object initialisation.
AhmedPlaymaker 49:441c32f6603e 36 _s.init(); //snake object initialisation.
AhmedPlaymaker 49:441c32f6603e 37 _f.init(); //food 1 object initialisation.
AhmedPlaymaker 49:441c32f6603e 38 _ff.init(); //food 2 object initialisation.
AhmedPlaymaker 49:441c32f6603e 39 _fff.init(); //food 3 object initialisation.
AhmedPlaymaker 49:441c32f6603e 40 _b.init(); //block object initialisation.
AhmedPlaymaker 41:4edac50f010d 41 }
AhmedPlaymaker 7:48ba87cd79b5 42
AhmedPlaymaker 39:210ac915e0a0 43 void SnakevsBlock::read_input(Gamepad &pad, FXOS8700CQ &device, int g_mode)
AhmedPlaymaker 7:48ba87cd79b5 44 {
AhmedPlaymaker 38:30e4e6191762 45 device.get_values();
AhmedPlaymaker 38:30e4e6191762 46 angle = -device.get_roll_angle();
AhmedPlaymaker 38:30e4e6191762 47 //if button A is pressed then reset that particular position to center
AhmedPlaymaker 38:30e4e6191762 48 if (pad.check_event(Gamepad::A_PRESSED) == true) {
AhmedPlaymaker 38:30e4e6191762 49 garbage = angle;
AhmedPlaymaker 38:30e4e6191762 50 }
AhmedPlaymaker 38:30e4e6191762 51 device.get_values();
AhmedPlaymaker 56:142e9fdb77a8 52 switch (g_mode) {
AhmedPlaymaker 56:142e9fdb77a8 53 case 1:
AhmedPlaymaker 38:30e4e6191762 54 _d = pad.get_direction(); //Obtains Direction pushed towards on Joystick.
AhmedPlaymaker 38:30e4e6191762 55 _mag = pad.get_mag(); //Obtains Magnitude of Joystick.
AhmedPlaymaker 56:142e9fdb77a8 56 break;
AhmedPlaymaker 56:142e9fdb77a8 57 case 2:
AhmedPlaymaker 56:142e9fdb77a8 58 angle = -device.get_roll_angle() - garbage;
AhmedPlaymaker 56:142e9fdb77a8 59 if (angle >= 6) {
AhmedPlaymaker 38:30e4e6191762 60 _d = E;
AhmedPlaymaker 58:affb42c56cf8 61 for(int led = 4; led <= 6; led++) { pad.led(led,1); }
AhmedPlaymaker 38:30e4e6191762 62 }
AhmedPlaymaker 56:142e9fdb77a8 63 else if (angle <= -6) {
AhmedPlaymaker 38:30e4e6191762 64 _d = W;
AhmedPlaymaker 58:affb42c56cf8 65 for(int led = 1; led <= 3; led++) { pad.led(led,1); }
AhmedPlaymaker 38:30e4e6191762 66 }
AhmedPlaymaker 38:30e4e6191762 67 else {
AhmedPlaymaker 38:30e4e6191762 68 _d = CENTRE;
AhmedPlaymaker 58:affb42c56cf8 69 for(int led = 1; led <= 6; led++) { pad.led(led,0); }
AhmedPlaymaker 38:30e4e6191762 70 }
AhmedPlaymaker 56:142e9fdb77a8 71 break;
AhmedPlaymaker 38:30e4e6191762 72 }
AhmedPlaymaker 38:30e4e6191762 73 //printf("%d",gm);
AhmedPlaymaker 38:30e4e6191762 74 //printf("%f",angle);
AhmedPlaymaker 38:30e4e6191762 75 //printf("%f",device.get_roll_angle());
AhmedPlaymaker 7:48ba87cd79b5 76 }
AhmedPlaymaker 7:48ba87cd79b5 77
AhmedPlaymaker 49:441c32f6603e 78 void SnakevsBlock::draw(N5110 &lcd, Gamepad &pad) {
AhmedPlaymaker 55:df0825049171 79 _length = _l._getLength(); //saves the snake length into a private variable.
AhmedPlaymaker 53:527cf297b088 80 _s.draw(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 81 if(foodbuff >= 0) {
AhmedPlaymaker 56:142e9fdb77a8 82 _f.draw(lcd); //Draws the first food.
AhmedPlaymaker 39:210ac915e0a0 83 }
AhmedPlaymaker 41:4edac50f010d 84 if(foodbuff >= 50) {
AhmedPlaymaker 56:142e9fdb77a8 85 _ff.draw(lcd); //Draws the second food.
AhmedPlaymaker 9:d1d79d4ee673 86 }
AhmedPlaymaker 41:4edac50f010d 87 if(foodbuff >= 80) {
AhmedPlaymaker 56:142e9fdb77a8 88 _fff.draw(lcd); //Draws the third food.
AhmedPlaymaker 39:210ac915e0a0 89 }
AhmedPlaymaker 39:210ac915e0a0 90 foodbuff +=1;
AhmedPlaymaker 41:4edac50f010d 91 if(foodbuff >= 8) {
AhmedPlaymaker 48:d774bb162c61 92 _b.draw(lcd, _length);
AhmedPlaymaker 19:05cc9f801468 93 }
AhmedPlaymaker 7:48ba87cd79b5 94 //Code to print length on game screen.
AhmedPlaymaker 41:4edac50f010d 95 _l.print_length_on_screen(lcd);
AhmedPlaymaker 41:4edac50f010d 96 }
AhmedPlaymaker 39:210ac915e0a0 97
AhmedPlaymaker 49:441c32f6603e 98 int SnakevsBlock::update(N5110 &lcd, Gamepad &pad, SDFileSystem &sd) //Updates objects on screen.
AhmedPlaymaker 39:210ac915e0a0 99 {
AhmedPlaymaker 42:973bb6036f81 100 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 101 //we dont need to remember if it has already gone past the screen.
AhmedPlaymaker 43:233f93860d08 102 CheckSnakeFoodCollision(pad); //Function checks for when the snake collides with it's food.
AhmedPlaymaker 18:b391caa5754c 103 CheckSnakeBlockCollision(pad); //Function checks for when the snake collides with any of the blocks.
AhmedPlaymaker 38:30e4e6191762 104 CheckSnakeBlockSidesCollision(pad); //Function checks for when the snake collides with any of the blocks' sides.
AhmedPlaymaker 41:4edac50f010d 105 _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 106 _f.update();
AhmedPlaymaker 9:d1d79d4ee673 107 _ff.update();
AhmedPlaymaker 9:d1d79d4ee673 108 _fff.update();
AhmedPlaymaker 48:d774bb162c61 109 _b.update(blocknum, blockgap, srn, send_block_number);
AhmedPlaymaker 49:441c32f6603e 110 //_statset.read(sd); //to read the currently stored value.
AhmedPlaymaker 49:441c32f6603e 111 if(_length == 0) {
AhmedPlaymaker 49:441c32f6603e 112 _wl.GameOver(lcd,pad);
AhmedPlaymaker 49:441c32f6603e 113 }
AhmedPlaymaker 49:441c32f6603e 114 if((pad.check_event(Gamepad::BACK_PRESSED))||(_length == 0)){ //Waits for Back button to be pressed.
AhmedPlaymaker 25:e827f1a8fadc 115 back = 1;
AhmedPlaymaker 25:e827f1a8fadc 116 SnakevsBlock::init();
AhmedPlaymaker 25:e827f1a8fadc 117 }
AhmedPlaymaker 25:e827f1a8fadc 118 else {
AhmedPlaymaker 25:e827f1a8fadc 119 back = 0;
AhmedPlaymaker 25:e827f1a8fadc 120 }
AhmedPlaymaker 52:c2faa96cf293 121 //printf("%d\n",_length);
AhmedPlaymaker 50:3cf9a94a264e 122 if(_length >= 20) {
AhmedPlaymaker 50:3cf9a94a264e 123 level = _wl.LevelComplete(lcd, pad, level);
AhmedPlaymaker 50:3cf9a94a264e 124 _Setstats.write(level, sd);
AhmedPlaymaker 50:3cf9a94a264e 125 SnakevsBlock::reset();
AhmedPlaymaker 50:3cf9a94a264e 126 }
AhmedPlaymaker 25:e827f1a8fadc 127 return back;
AhmedPlaymaker 7:48ba87cd79b5 128 }
AhmedPlaymaker 7:48ba87cd79b5 129
AhmedPlaymaker 7:48ba87cd79b5 130 void SnakevsBlock::get_pos()
AhmedPlaymaker 7:48ba87cd79b5 131 {
AhmedPlaymaker 7:48ba87cd79b5 132 //printf("player pos = %f %f \n", player_pos.x, player_pos.y); //top left of player sprite
AhmedPlaymaker 7:48ba87cd79b5 133 // 81.000000 0.000000 top right
AhmedPlaymaker 7:48ba87cd79b5 134 // 0.000000 0.000000 is top left
AhmedPlaymaker 7:48ba87cd79b5 135 // 81.000000 45.000000 bottom right
AhmedPlaymaker 43:233f93860d08 136 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 137 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 138 //printf("snakexy in GAME = %d %d \n", snakex, snakey);
AhmedPlaymaker 41:4edac50f010d 139 //Obtains all required coordinates.
AhmedPlaymaker 41:4edac50f010d 140 food_pos[0] = _f.get_pos();
AhmedPlaymaker 41:4edac50f010d 141 food_pos[1] = _ff.get_pos();
AhmedPlaymaker 41:4edac50f010d 142 food_pos[2] = _fff.get_pos();
AhmedPlaymaker 41:4edac50f010d 143 //obtains origin cordinates of block.
AhmedPlaymaker 41:4edac50f010d 144 b_pos = _b.get_pos();
AhmedPlaymaker 41:4edac50f010d 145 //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 146 snake_pos[0] = _s.get_pos(); //gets the position of the top beed and saves in array.
AhmedPlaymaker 41:4edac50f010d 147 snake_pos[1] = _s.get_pos_before1(); //gets the position of the second beed and saves in array.
AhmedPlaymaker 41:4edac50f010d 148 snake_pos[2] = _s.get_pos_before2(); //gets the position of the third beed and saves in array.
AhmedPlaymaker 41:4edac50f010d 149 snake_pos[3] = _s.get_pos_before3(); //gets the position of the fourth beed and saves in array.
AhmedPlaymaker 41:4edac50f010d 150 snake_pos[4] = _s.get_pos_before4(); //gets the position of the fifth beed and saves in array.
AhmedPlaymaker 41:4edac50f010d 151 snake_pos[5] = _s.get_pos_before5(); //gets the position of the sixth beed and saves in array.
AhmedPlaymaker 41:4edac50f010d 152 snake_pos[6] = _s.get_pos_before6(); //gets the position of the seventh beed and saves in array.
AhmedPlaymaker 41:4edac50f010d 153 snake_pos[7] = _s.get_pos_before7(); //gets the position of the eight beed and saves in array.
AhmedPlaymaker 41:4edac50f010d 154 snake_pos[8] = _s.get_pos_before8(); //gets the position of the ninth beed and saves in array.
AhmedPlaymaker 41:4edac50f010d 155 snake_pos[9] = _s.get_pos_before9(); //gets the position of the last beed and saves in array.
AhmedPlaymaker 7:48ba87cd79b5 156 }
AhmedPlaymaker 7:48ba87cd79b5 157
AhmedPlaymaker 9:d1d79d4ee673 158
AhmedPlaymaker 27:3b4775a0d0bb 159 void SnakevsBlock::CheckSnakeFoodCollision(Gamepad &pad) {
AhmedPlaymaker 32:3a3bdeffdf62 160 //If statements check if the snake sprite has collided with any
AhmedPlaymaker 32:3a3bdeffdf62 161 //of the three food sprites, if so then the food location is reset and
AhmedPlaymaker 32:3a3bdeffdf62 162 //length of the snake is increased using the length variable.
AhmedPlaymaker 29:c6358c39a70e 163 for(int y=0; y<=2; y++) { //this loop automatically detects each combination of collision in the y postion
AhmedPlaymaker 29:c6358c39a70e 164 for(int x=0; x<=2; x++) { //this loop automatically detects each combination of collision in the x postion
AhmedPlaymaker 29:c6358c39a70e 165 for(int food_sr=0; food_sr<=2; food_sr++) { //this loop automatically detects which food we are interacting with.
AhmedPlaymaker 29:c6358c39a70e 166 if (
AhmedPlaymaker 41:4edac50f010d 167 ((snakey + y == food_pos[food_sr].y) ||
AhmedPlaymaker 41:4edac50f010d 168 (snakey + y == food_pos[food_sr].y + 1) ||
AhmedPlaymaker 41:4edac50f010d 169 (snakey + y == food_pos[food_sr].y + 2)) &&
AhmedPlaymaker 41:4edac50f010d 170 ((snakex + x == food_pos[food_sr].x) ||
AhmedPlaymaker 41:4edac50f010d 171 (snakex + x == food_pos[food_sr].x + 1) ||
AhmedPlaymaker 41:4edac50f010d 172 (snakex + x == food_pos[food_sr].x + 2))
AhmedPlaymaker 29:c6358c39a70e 173 ) {
AhmedPlaymaker 29:c6358c39a70e 174 //printf("snake feast working \n");
AhmedPlaymaker 29:c6358c39a70e 175 //audio feedback
AhmedPlaymaker 46:dc7dccae9f9e 176 pad.tone(786.0,0.1);
AhmedPlaymaker 38:30e4e6191762 177 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 178 food_pos[food_sr].y = -3;
AhmedPlaymaker 41:4edac50f010d 179 _l.PlusLength();
AhmedPlaymaker 29:c6358c39a70e 180 }
AhmedPlaymaker 25:e827f1a8fadc 181 }
AhmedPlaymaker 25:e827f1a8fadc 182 }
AhmedPlaymaker 9:d1d79d4ee673 183 }
AhmedPlaymaker 29:c6358c39a70e 184 _f.set_pos(food_pos[0]);
AhmedPlaymaker 29:c6358c39a70e 185 _ff.set_pos(food_pos[1]);
AhmedPlaymaker 29:c6358c39a70e 186 _fff.set_pos(food_pos[2]);
AhmedPlaymaker 29:c6358c39a70e 187 }
AhmedPlaymaker 12:1e601b176437 188
AhmedPlaymaker 39:210ac915e0a0 189 void SnakevsBlock::CheckSnakeBlockCollision(Gamepad &pad) {
AhmedPlaymaker 41:4edac50f010d 190 //Obtains the numbers inside the block.
AhmedPlaymaker 39:210ac915e0a0 191 b_number = _b.get_number();
AhmedPlaymaker 39:210ac915e0a0 192 //If statements check if the snake sprite has collided with any
AhmedPlaymaker 39:210ac915e0a0 193 //of the blocks which are a maximum of 5, if so then the snake length reduces and the block number reduces
AhmedPlaymaker 39:210ac915e0a0 194 //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 195 for(int block=0; block<=83; block+=1) { //this loop automatically detects for each section of block and each combination of collision
AhmedPlaymaker 54:20abd16c7d74 196 if (((snakey == b_pos.y + 11)||
AhmedPlaymaker 54:20abd16c7d74 197 (snakey == b_pos.y + 10)||
AhmedPlaymaker 54:20abd16c7d74 198 (snakey == b_pos.y + 9)||
AhmedPlaymaker 54:20abd16c7d74 199 (snakey == b_pos.y + 8))&&
AhmedPlaymaker 54:20abd16c7d74 200 (snakex + 1 == b_pos.x + block)) {
AhmedPlaymaker 43:233f93860d08 201 //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 202 //printf("snake collision working \n");
AhmedPlaymaker 39:210ac915e0a0 203 //audio feedback
AhmedPlaymaker 39:210ac915e0a0 204 if(blocknum > 0) {b_pos.y = 0;} //change this to speed y = 0 when length = 10.
AhmedPlaymaker 39:210ac915e0a0 205 srn = CheckBlock(block); //this tells us which of the 5 blocks we are colliding with
AhmedPlaymaker 39:210ac915e0a0 206 blocknum = b_number[srn];
AhmedPlaymaker 41:4edac50f010d 207 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 208 velocity = 0;
AhmedPlaymaker 33:249cf423fb18 209 }
AhmedPlaymaker 39:210ac915e0a0 210 else {
AhmedPlaymaker 39:210ac915e0a0 211 velocity = 1;
AhmedPlaymaker 39:210ac915e0a0 212 }
AhmedPlaymaker 47:b448ffd073e7 213 ImplementCollision(pad);
AhmedPlaymaker 39:210ac915e0a0 214 SnakevsBlock::_set_velocity();
AhmedPlaymaker 12:1e601b176437 215 }
AhmedPlaymaker 39:210ac915e0a0 216 }
AhmedPlaymaker 39:210ac915e0a0 217 }
AhmedPlaymaker 39:210ac915e0a0 218
AhmedPlaymaker 39:210ac915e0a0 219 void SnakevsBlock::_set_velocity() {
AhmedPlaymaker 39:210ac915e0a0 220 _b.velocity.y = velocity;
AhmedPlaymaker 39:210ac915e0a0 221 _f.velocity.y = velocity;
AhmedPlaymaker 39:210ac915e0a0 222 _ff.velocity.y = velocity;
AhmedPlaymaker 39:210ac915e0a0 223 _fff.velocity.y = velocity;
AhmedPlaymaker 27:3b4775a0d0bb 224 }
AhmedPlaymaker 29:c6358c39a70e 225
AhmedPlaymaker 29:c6358c39a70e 226 int SnakevsBlock::CheckBlock(int block) {
AhmedPlaymaker 29:c6358c39a70e 227 int srn;
AhmedPlaymaker 29:c6358c39a70e 228 if((block>=0)&&(block<=18)) {srn = 0;}
AhmedPlaymaker 29:c6358c39a70e 229 if((block>=19)&&(block<=34)) {srn = 1;}
AhmedPlaymaker 29:c6358c39a70e 230 if((block>=35)&&(block<=50)) {srn = 2;}
AhmedPlaymaker 29:c6358c39a70e 231 if((block>=51)&&(block<=66)) {srn = 3;}
AhmedPlaymaker 29:c6358c39a70e 232 if((block>=67)&&(block<=83)) {srn = 4;}
AhmedPlaymaker 29:c6358c39a70e 233 return srn;
AhmedPlaymaker 29:c6358c39a70e 234 }
AhmedPlaymaker 27:3b4775a0d0bb 235
AhmedPlaymaker 27:3b4775a0d0bb 236 void SnakevsBlock::ImplementCollision(Gamepad &pad) {
AhmedPlaymaker 42:973bb6036f81 237 send_block_number = 1;
AhmedPlaymaker 44:cd10d07ea1e5 238 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 239 _l.MinusLength();
AhmedPlaymaker 27:3b4775a0d0bb 240 pad.tone(1000.0,0.1);
AhmedPlaymaker 29:c6358c39a70e 241 wait(0.04);
AhmedPlaymaker 12:1e601b176437 242 }
AhmedPlaymaker 44:cd10d07ea1e5 243 blocknum-=1;
AhmedPlaymaker 13:9785f2404045 244 }
AhmedPlaymaker 13:9785f2404045 245
AhmedPlaymaker 38:30e4e6191762 246 void SnakevsBlock::CheckSnakeBlockSidesCollision(Gamepad &pad)
AhmedPlaymaker 42:973bb6036f81 247 {
AhmedPlaymaker 42:973bb6036f81 248 //If statements check if the snake sprite has collided with any
AhmedPlaymaker 42:973bb6036f81 249 //of the blocks' sides and then stop the snake moving in x axis
AhmedPlaymaker 50:3cf9a94a264e 250 int length = _length;
AhmedPlaymaker 50:3cf9a94a264e 251 if(_length>=10) {length = 10;} //to stop the snake length virtually at 10 when it goes past it.
AhmedPlaymaker 37:ee47699915b8 252
AhmedPlaymaker 42:973bb6036f81 253 for(int i=0; i<=9; i++) {
AhmedPlaymaker 42:973bb6036f81 254 b[i] = 1;
AhmedPlaymaker 42:973bb6036f81 255 }
AhmedPlaymaker 37:ee47699915b8 256 for(int i=0; i<=9; i++) { //i checks for all possible collisions with the snake respective to it's length.
AhmedPlaymaker 36:dfdd619874ae 257 for(int b_y_combination=0; b_y_combination<=10; b_y_combination++) {
AhmedPlaymaker 26:3495f7b0ede7 258 if (
AhmedPlaymaker 36:dfdd619874ae 259 (snake_pos[i].y == b_pos.y + b_y_combination) ||
AhmedPlaymaker 36:dfdd619874ae 260 (snake_pos[i].y + 1 == b_pos.y + b_y_combination) ||
AhmedPlaymaker 36:dfdd619874ae 261 (snake_pos[i].y + 2 == b_pos.y + b_y_combination)) {
AhmedPlaymaker 36:dfdd619874ae 262 for(int b_x_combination=2; b_x_combination<=82; b_x_combination+=16) {
AhmedPlaymaker 36:dfdd619874ae 263 //For West side of walls
AhmedPlaymaker 36:dfdd619874ae 264 if(
AhmedPlaymaker 36:dfdd619874ae 265 ((snake_pos[i].x == b_pos.x + b_x_combination+2) || //W
AhmedPlaymaker 50:3cf9a94a264e 266 (snake_pos[i].x + 1 == b_x_combination+2))&&(_d != E)&&(length > i) //W
AhmedPlaymaker 36:dfdd619874ae 267 ) {
AhmedPlaymaker 36:dfdd619874ae 268 //code makes sure that the colliding part doesn't move in x axis.
AhmedPlaymaker 37:ee47699915b8 269 for(int snake_beed_num=0; snake_beed_num<=10; snake_beed_num++) {
AhmedPlaymaker 50:3cf9a94a264e 270 if(length == snake_beed_num + i) {
AhmedPlaymaker 36:dfdd619874ae 271 b[snake_beed_num - 1] = 0;
AhmedPlaymaker 36:dfdd619874ae 272 }
AhmedPlaymaker 26:3495f7b0ede7 273 }
AhmedPlaymaker 25:e827f1a8fadc 274 }
AhmedPlaymaker 36:dfdd619874ae 275 //for East side of walls
AhmedPlaymaker 36:dfdd619874ae 276 else if (
AhmedPlaymaker 36:dfdd619874ae 277 ((snake_pos[i].x + 1 == b_x_combination) || //E
AhmedPlaymaker 50:3cf9a94a264e 278 (snake_pos[i].x + 2 == b_x_combination))&&(_d != W)&&(length > i) //E
AhmedPlaymaker 36:dfdd619874ae 279 ) {
AhmedPlaymaker 36:dfdd619874ae 280 //code makes sure that the colliding part doesn't move in x axis.
AhmedPlaymaker 37:ee47699915b8 281 for(int snake_beed_num=0; snake_beed_num<=10; snake_beed_num++) {
AhmedPlaymaker 50:3cf9a94a264e 282 if(length == snake_beed_num + i) {
AhmedPlaymaker 36:dfdd619874ae 283 b[snake_beed_num - 1] = 0;
AhmedPlaymaker 36:dfdd619874ae 284 }
AhmedPlaymaker 32:3a3bdeffdf62 285 }
AhmedPlaymaker 32:3a3bdeffdf62 286 }
AhmedPlaymaker 26:3495f7b0ede7 287 }
AhmedPlaymaker 25:e827f1a8fadc 288 }
AhmedPlaymaker 24:1c118b071430 289 }
AhmedPlaymaker 15:f4d069da093d 290 }
AhmedPlaymaker 22:ee698f66146f 291 }