Ahmed Adamjee / Mbed 2 deprecated SnakeVSBlock

Snake vs Block Game to be run upon K64F.

Dependencies:   mbed

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

Committer:
AhmedPlaymaker
Date:
Thu Apr 25 18:12:17 2019 +0000
Revision:
43:233f93860d08
Parent:
42:973bb6036f81
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 "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 41:4edac50f010d 20 blockgap = 500;
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 42:973bb6036f81 37 _s.init();
AhmedPlaymaker 41:4edac50f010d 38 _f.init();
AhmedPlaymaker 41:4edac50f010d 39 _ff.init();
AhmedPlaymaker 41:4edac50f010d 40 _fff.init();
AhmedPlaymaker 41:4edac50f010d 41 _b.init();
AhmedPlaymaker 41:4edac50f010d 42 }
AhmedPlaymaker 7:48ba87cd79b5 43
AhmedPlaymaker 39:210ac915e0a0 44 void SnakevsBlock::read_input(Gamepad &pad, FXOS8700CQ &device, int g_mode)
AhmedPlaymaker 7:48ba87cd79b5 45 {
AhmedPlaymaker 38:30e4e6191762 46 device.get_values();
AhmedPlaymaker 38:30e4e6191762 47 angle = -device.get_roll_angle();
AhmedPlaymaker 38:30e4e6191762 48 //if button A is pressed then reset that particular position to center
AhmedPlaymaker 38:30e4e6191762 49 if (pad.check_event(Gamepad::A_PRESSED) == true) {
AhmedPlaymaker 38:30e4e6191762 50 garbage = angle;
AhmedPlaymaker 38:30e4e6191762 51 }
AhmedPlaymaker 38:30e4e6191762 52 device.get_values();
AhmedPlaymaker 38:30e4e6191762 53 angle = -device.get_roll_angle() - garbage;
AhmedPlaymaker 39:210ac915e0a0 54 if(g_mode == 1) { //this condition returns the relevant working directions if we select joystick in StartScreen.
AhmedPlaymaker 38:30e4e6191762 55 _d = pad.get_direction(); //Obtains Direction pushed towards on Joystick.
AhmedPlaymaker 38:30e4e6191762 56 _mag = pad.get_mag(); //Obtains Magnitude of Joystick.
AhmedPlaymaker 38:30e4e6191762 57 }
AhmedPlaymaker 39:210ac915e0a0 58 else if(g_mode == 2) { //this condition returns the relevant working directions if we select motion control in StartScreen.
AhmedPlaymaker 38:30e4e6191762 59 if (angle >= 8) {
AhmedPlaymaker 38:30e4e6191762 60 _d = E;
AhmedPlaymaker 38:30e4e6191762 61 }
AhmedPlaymaker 38:30e4e6191762 62 else if (angle <= -8) {
AhmedPlaymaker 38:30e4e6191762 63 _d = W;
AhmedPlaymaker 38:30e4e6191762 64 }
AhmedPlaymaker 38:30e4e6191762 65 else {
AhmedPlaymaker 38:30e4e6191762 66 _d = CENTRE;
AhmedPlaymaker 38:30e4e6191762 67 }
AhmedPlaymaker 38:30e4e6191762 68 }
AhmedPlaymaker 38:30e4e6191762 69 device.get_values();
AhmedPlaymaker 38:30e4e6191762 70 //printf("%d",gm);
AhmedPlaymaker 38:30e4e6191762 71 //printf("%f",angle);
AhmedPlaymaker 38:30e4e6191762 72 //printf("%f",device.get_roll_angle());
AhmedPlaymaker 7:48ba87cd79b5 73 }
AhmedPlaymaker 7:48ba87cd79b5 74
AhmedPlaymaker 41:4edac50f010d 75 void SnakevsBlock::draw(N5110 &lcd, Gamepad &pad, SDFileSystem &sd) {
AhmedPlaymaker 41:4edac50f010d 76 _length = _l._getLength();
AhmedPlaymaker 41:4edac50f010d 77 _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 78 if(foodbuff >= 0) {
AhmedPlaymaker 36:dfdd619874ae 79 _f.draw(lcd, blockbuff); //Draws the first food.
AhmedPlaymaker 39:210ac915e0a0 80 }
AhmedPlaymaker 41:4edac50f010d 81 if(foodbuff >= 50) {
AhmedPlaymaker 39:210ac915e0a0 82 _ff.draw(lcd, blockbuff); //Draws the second food.
AhmedPlaymaker 9:d1d79d4ee673 83 }
AhmedPlaymaker 41:4edac50f010d 84 if(foodbuff >= 80) {
AhmedPlaymaker 39:210ac915e0a0 85 _fff.draw(lcd, blockbuff); //Draws the third food.
AhmedPlaymaker 39:210ac915e0a0 86 }
AhmedPlaymaker 39:210ac915e0a0 87 foodbuff +=1;
AhmedPlaymaker 41:4edac50f010d 88 if(foodbuff >= 8) {
AhmedPlaymaker 41:4edac50f010d 89 _b.draw(lcd, _length, blockgap);
AhmedPlaymaker 19:05cc9f801468 90 }
AhmedPlaymaker 36:dfdd619874ae 91 if(foodbuff == 8) {
AhmedPlaymaker 38:30e4e6191762 92 blockbuff = -10;
AhmedPlaymaker 13:9785f2404045 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 41:4edac50f010d 97 if(_length >= 20) {
AhmedPlaymaker 41:4edac50f010d 98 if(blockgap >= 50) { //to make progressive levels harder
AhmedPlaymaker 41:4edac50f010d 99 blockgap -= 40;
AhmedPlaymaker 41:4edac50f010d 100 }
AhmedPlaymaker 41:4edac50f010d 101 level += 1;
AhmedPlaymaker 41:4edac50f010d 102 _statset.write(level, sd);
AhmedPlaymaker 41:4edac50f010d 103 SnakevsBlock::reset();
AhmedPlaymaker 43:233f93860d08 104 food_pos[0].x = 0;
AhmedPlaymaker 43:233f93860d08 105 food_pos[0].y = 0;
AhmedPlaymaker 43:233f93860d08 106 food_pos[1].x = 0;
AhmedPlaymaker 43:233f93860d08 107 food_pos[1].y = 0;
AhmedPlaymaker 43:233f93860d08 108 food_pos[2].x = 0;
AhmedPlaymaker 43:233f93860d08 109 food_pos[2].y = 0;
AhmedPlaymaker 41:4edac50f010d 110 lcd.clear();
AhmedPlaymaker 41:4edac50f010d 111 lcd.printString("Level Complete",0,1);
AhmedPlaymaker 41:4edac50f010d 112 lcd.printString("Press Start",10,3);
AhmedPlaymaker 41:4edac50f010d 113 lcd.printString("to Proceed",12,4);
AhmedPlaymaker 41:4edac50f010d 114 lcd.refresh();
AhmedPlaymaker 41:4edac50f010d 115 while (pad.check_event(Gamepad::START_PRESSED) == false) {
AhmedPlaymaker 41:4edac50f010d 116 pad.leds_on();
AhmedPlaymaker 41:4edac50f010d 117 pad.tone(rand()%1001,0.1); //helps to set max freq for random sound
AhmedPlaymaker 41:4edac50f010d 118 wait(0.1);
AhmedPlaymaker 41:4edac50f010d 119 pad.leds_off();
AhmedPlaymaker 41:4edac50f010d 120 wait(0.1);
AhmedPlaymaker 41:4edac50f010d 121 }
AhmedPlaymaker 41:4edac50f010d 122 lcd.clear();
AhmedPlaymaker 41:4edac50f010d 123 sprintf(bufferlevel,"%d",level);
AhmedPlaymaker 41:4edac50f010d 124 lcd.printString("Level:",25,1);
AhmedPlaymaker 41:4edac50f010d 125 lcd.printString(bufferlevel,40,3);
AhmedPlaymaker 41:4edac50f010d 126 lcd.refresh();
AhmedPlaymaker 41:4edac50f010d 127 wait(2);
AhmedPlaymaker 41:4edac50f010d 128 _l._setLength(3);
AhmedPlaymaker 41:4edac50f010d 129 }
AhmedPlaymaker 41:4edac50f010d 130 }
AhmedPlaymaker 39:210ac915e0a0 131
AhmedPlaymaker 41:4edac50f010d 132 int SnakevsBlock::update(Gamepad &pad) //Updates objects on screen.
AhmedPlaymaker 39:210ac915e0a0 133 {
AhmedPlaymaker 42:973bb6036f81 134 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 135 //we dont need to remember if it has already gone past the screen.
AhmedPlaymaker 43:233f93860d08 136 CheckSnakeFoodCollision(pad); //Function checks for when the snake collides with it's food.
AhmedPlaymaker 18:b391caa5754c 137 CheckSnakeBlockCollision(pad); //Function checks for when the snake collides with any of the blocks.
AhmedPlaymaker 38:30e4e6191762 138 CheckSnakeBlockSidesCollision(pad); //Function checks for when the snake collides with any of the blocks' sides.
AhmedPlaymaker 41:4edac50f010d 139 _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 140 _f.update();
AhmedPlaymaker 9:d1d79d4ee673 141 _ff.update();
AhmedPlaymaker 9:d1d79d4ee673 142 _fff.update();
AhmedPlaymaker 42:973bb6036f81 143 _b.update(blocknum, srn, send_block_number);
AhmedPlaymaker 19:05cc9f801468 144 blockbuff++;
AhmedPlaymaker 41:4edac50f010d 145 if(blockbuff >= blockgap) { //this makes blockbuff reset every time the new set of blocks appear.
AhmedPlaymaker 36:dfdd619874ae 146 blockbuff = -11;
AhmedPlaymaker 19:05cc9f801468 147 }
AhmedPlaymaker 25:e827f1a8fadc 148 if(pad.check_event(Gamepad::BACK_PRESSED)){ //Waits for Back button to be pressed.
AhmedPlaymaker 25:e827f1a8fadc 149 back = 1;
AhmedPlaymaker 25:e827f1a8fadc 150 //add some warning here and use A as the button to confirm
AhmedPlaymaker 25:e827f1a8fadc 151 SnakevsBlock::init();
AhmedPlaymaker 25:e827f1a8fadc 152 }
AhmedPlaymaker 25:e827f1a8fadc 153 else {
AhmedPlaymaker 25:e827f1a8fadc 154 back = 0;
AhmedPlaymaker 25:e827f1a8fadc 155 }
AhmedPlaymaker 25:e827f1a8fadc 156 return back;
AhmedPlaymaker 7:48ba87cd79b5 157 }
AhmedPlaymaker 7:48ba87cd79b5 158
AhmedPlaymaker 7:48ba87cd79b5 159 void SnakevsBlock::get_pos()
AhmedPlaymaker 7:48ba87cd79b5 160 {
AhmedPlaymaker 7:48ba87cd79b5 161 //printf("player pos = %f %f \n", player_pos.x, player_pos.y); //top left of player sprite
AhmedPlaymaker 7:48ba87cd79b5 162 // 81.000000 0.000000 top right
AhmedPlaymaker 7:48ba87cd79b5 163 // 0.000000 0.000000 is top left
AhmedPlaymaker 7:48ba87cd79b5 164 // 81.000000 45.000000 bottom right
AhmedPlaymaker 43:233f93860d08 165 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 166 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 167 //printf("snakexy in GAME = %d %d \n", snakex, snakey);
AhmedPlaymaker 41:4edac50f010d 168 //Obtains all required coordinates.
AhmedPlaymaker 41:4edac50f010d 169 food_pos[0] = _f.get_pos();
AhmedPlaymaker 41:4edac50f010d 170 food_pos[1] = _ff.get_pos();
AhmedPlaymaker 41:4edac50f010d 171 food_pos[2] = _fff.get_pos();
AhmedPlaymaker 41:4edac50f010d 172 //obtains origin cordinates of block.
AhmedPlaymaker 41:4edac50f010d 173 b_pos = _b.get_pos();
AhmedPlaymaker 41:4edac50f010d 174 //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 175 snake_pos[0] = _s.get_pos(); //gets the position of the top beed and saves in array.
AhmedPlaymaker 41:4edac50f010d 176 snake_pos[1] = _s.get_pos_before1(); //gets the position of the second beed and saves in array.
AhmedPlaymaker 41:4edac50f010d 177 snake_pos[2] = _s.get_pos_before2(); //gets the position of the third beed and saves in array.
AhmedPlaymaker 41:4edac50f010d 178 snake_pos[3] = _s.get_pos_before3(); //gets the position of the fourth beed and saves in array.
AhmedPlaymaker 41:4edac50f010d 179 snake_pos[4] = _s.get_pos_before4(); //gets the position of the fifth beed and saves in array.
AhmedPlaymaker 41:4edac50f010d 180 snake_pos[5] = _s.get_pos_before5(); //gets the position of the sixth beed and saves in array.
AhmedPlaymaker 41:4edac50f010d 181 snake_pos[6] = _s.get_pos_before6(); //gets the position of the seventh beed and saves in array.
AhmedPlaymaker 41:4edac50f010d 182 snake_pos[7] = _s.get_pos_before7(); //gets the position of the eight beed and saves in array.
AhmedPlaymaker 41:4edac50f010d 183 snake_pos[8] = _s.get_pos_before8(); //gets the position of the ninth beed and saves in array.
AhmedPlaymaker 41:4edac50f010d 184 snake_pos[9] = _s.get_pos_before9(); //gets the position of the last beed and saves in array.
AhmedPlaymaker 7:48ba87cd79b5 185 }
AhmedPlaymaker 7:48ba87cd79b5 186
AhmedPlaymaker 9:d1d79d4ee673 187
AhmedPlaymaker 27:3b4775a0d0bb 188 void SnakevsBlock::CheckSnakeFoodCollision(Gamepad &pad) {
AhmedPlaymaker 32:3a3bdeffdf62 189 //If statements check if the snake sprite has collided with any
AhmedPlaymaker 32:3a3bdeffdf62 190 //of the three food sprites, if so then the food location is reset and
AhmedPlaymaker 32:3a3bdeffdf62 191 //length of the snake is increased using the length variable.
AhmedPlaymaker 29:c6358c39a70e 192 for(int y=0; y<=2; y++) { //this loop automatically detects each combination of collision in the y postion
AhmedPlaymaker 29:c6358c39a70e 193 for(int x=0; x<=2; x++) { //this loop automatically detects each combination of collision in the x postion
AhmedPlaymaker 29:c6358c39a70e 194 for(int food_sr=0; food_sr<=2; food_sr++) { //this loop automatically detects which food we are interacting with.
AhmedPlaymaker 29:c6358c39a70e 195 if (
AhmedPlaymaker 41:4edac50f010d 196 ((snakey + y == food_pos[food_sr].y) ||
AhmedPlaymaker 41:4edac50f010d 197 (snakey + y == food_pos[food_sr].y + 1) ||
AhmedPlaymaker 41:4edac50f010d 198 (snakey + y == food_pos[food_sr].y + 2)) &&
AhmedPlaymaker 41:4edac50f010d 199 ((snakex + x == food_pos[food_sr].x) ||
AhmedPlaymaker 41:4edac50f010d 200 (snakex + x == food_pos[food_sr].x + 1) ||
AhmedPlaymaker 41:4edac50f010d 201 (snakex + x == food_pos[food_sr].x + 2))
AhmedPlaymaker 29:c6358c39a70e 202 ) {
AhmedPlaymaker 29:c6358c39a70e 203 //printf("snake feast working \n");
AhmedPlaymaker 29:c6358c39a70e 204 //audio feedback
AhmedPlaymaker 29:c6358c39a70e 205 pad.tone(1000.0,0.1);
AhmedPlaymaker 38:30e4e6191762 206 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 207 food_pos[food_sr].y = -3;
AhmedPlaymaker 41:4edac50f010d 208 _l.PlusLength();
AhmedPlaymaker 29:c6358c39a70e 209 }
AhmedPlaymaker 25:e827f1a8fadc 210 }
AhmedPlaymaker 25:e827f1a8fadc 211 }
AhmedPlaymaker 9:d1d79d4ee673 212 }
AhmedPlaymaker 29:c6358c39a70e 213 _f.set_pos(food_pos[0]);
AhmedPlaymaker 29:c6358c39a70e 214 _ff.set_pos(food_pos[1]);
AhmedPlaymaker 29:c6358c39a70e 215 _fff.set_pos(food_pos[2]);
AhmedPlaymaker 29:c6358c39a70e 216 }
AhmedPlaymaker 12:1e601b176437 217
AhmedPlaymaker 39:210ac915e0a0 218 void SnakevsBlock::CheckSnakeBlockCollision(Gamepad &pad) {
AhmedPlaymaker 41:4edac50f010d 219 //Obtains the numbers inside the block.
AhmedPlaymaker 39:210ac915e0a0 220 b_number = _b.get_number();
AhmedPlaymaker 39:210ac915e0a0 221 //If statements check if the snake sprite has collided with any
AhmedPlaymaker 39:210ac915e0a0 222 //of the blocks which are a maximum of 5, if so then the snake length reduces and the block number reduces
AhmedPlaymaker 39:210ac915e0a0 223 //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 224 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 225 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 226 //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 227 //printf("snake collision working \n");
AhmedPlaymaker 39:210ac915e0a0 228 //audio feedback
AhmedPlaymaker 39:210ac915e0a0 229 if(blocknum > 0) {b_pos.y = 0;} //change this to speed y = 0 when length = 10.
AhmedPlaymaker 39:210ac915e0a0 230 srn = CheckBlock(block); //this tells us which of the 5 blocks we are colliding with
AhmedPlaymaker 39:210ac915e0a0 231 blocknum = b_number[srn];
AhmedPlaymaker 39:210ac915e0a0 232 ImplementCollision(pad);
AhmedPlaymaker 41:4edac50f010d 233 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 234 velocity = 0;
AhmedPlaymaker 33:249cf423fb18 235 }
AhmedPlaymaker 39:210ac915e0a0 236 else {
AhmedPlaymaker 39:210ac915e0a0 237 velocity = 1;
AhmedPlaymaker 39:210ac915e0a0 238 }
AhmedPlaymaker 39:210ac915e0a0 239 SnakevsBlock::_set_velocity();
AhmedPlaymaker 12:1e601b176437 240 }
AhmedPlaymaker 39:210ac915e0a0 241 }
AhmedPlaymaker 39:210ac915e0a0 242 }
AhmedPlaymaker 39:210ac915e0a0 243
AhmedPlaymaker 39:210ac915e0a0 244 void SnakevsBlock::_set_velocity() {
AhmedPlaymaker 39:210ac915e0a0 245 _b.velocity.y = velocity;
AhmedPlaymaker 39:210ac915e0a0 246 _f.velocity.y = velocity;
AhmedPlaymaker 39:210ac915e0a0 247 _ff.velocity.y = velocity;
AhmedPlaymaker 39:210ac915e0a0 248 _fff.velocity.y = velocity;
AhmedPlaymaker 27:3b4775a0d0bb 249 }
AhmedPlaymaker 29:c6358c39a70e 250
AhmedPlaymaker 29:c6358c39a70e 251 int SnakevsBlock::CheckBlock(int block) {
AhmedPlaymaker 29:c6358c39a70e 252 int srn;
AhmedPlaymaker 29:c6358c39a70e 253 if((block>=0)&&(block<=18)) {srn = 0;}
AhmedPlaymaker 29:c6358c39a70e 254 if((block>=19)&&(block<=34)) {srn = 1;}
AhmedPlaymaker 29:c6358c39a70e 255 if((block>=35)&&(block<=50)) {srn = 2;}
AhmedPlaymaker 29:c6358c39a70e 256 if((block>=51)&&(block<=66)) {srn = 3;}
AhmedPlaymaker 29:c6358c39a70e 257 if((block>=67)&&(block<=83)) {srn = 4;}
AhmedPlaymaker 29:c6358c39a70e 258 return srn;
AhmedPlaymaker 29:c6358c39a70e 259 }
AhmedPlaymaker 27:3b4775a0d0bb 260
AhmedPlaymaker 27:3b4775a0d0bb 261 void SnakevsBlock::ImplementCollision(Gamepad &pad) {
AhmedPlaymaker 42:973bb6036f81 262 send_block_number = 1;
AhmedPlaymaker 27:3b4775a0d0bb 263 blocknum-=1;
AhmedPlaymaker 41:4edac50f010d 264 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 265 _l.MinusLength();
AhmedPlaymaker 27:3b4775a0d0bb 266 pad.tone(1000.0,0.1);
AhmedPlaymaker 29:c6358c39a70e 267 wait(0.04);
AhmedPlaymaker 12:1e601b176437 268 }
AhmedPlaymaker 13:9785f2404045 269 }
AhmedPlaymaker 13:9785f2404045 270
AhmedPlaymaker 38:30e4e6191762 271 void SnakevsBlock::CheckSnakeBlockSidesCollision(Gamepad &pad)
AhmedPlaymaker 42:973bb6036f81 272 {
AhmedPlaymaker 42:973bb6036f81 273 //If statements check if the snake sprite has collided with any
AhmedPlaymaker 42:973bb6036f81 274 //of the blocks' sides and then stop the snake moving in x axis
AhmedPlaymaker 13:9785f2404045 275
AhmedPlaymaker 42:973bb6036f81 276 if(_length>=10) {_length = 10;} //to stop the snake length virtually at 10 when it goes past it.
AhmedPlaymaker 37:ee47699915b8 277
AhmedPlaymaker 42:973bb6036f81 278 for(int i=0; i<=9; i++) {
AhmedPlaymaker 42:973bb6036f81 279 b[i] = 1;
AhmedPlaymaker 42:973bb6036f81 280 }
AhmedPlaymaker 37:ee47699915b8 281 for(int i=0; i<=9; i++) { //i checks for all possible collisions with the snake respective to it's length.
AhmedPlaymaker 36:dfdd619874ae 282 for(int b_y_combination=0; b_y_combination<=10; b_y_combination++) {
AhmedPlaymaker 26:3495f7b0ede7 283 if (
AhmedPlaymaker 36:dfdd619874ae 284 (snake_pos[i].y == b_pos.y + b_y_combination) ||
AhmedPlaymaker 36:dfdd619874ae 285 (snake_pos[i].y + 1 == b_pos.y + b_y_combination) ||
AhmedPlaymaker 36:dfdd619874ae 286 (snake_pos[i].y + 2 == b_pos.y + b_y_combination)) {
AhmedPlaymaker 36:dfdd619874ae 287 for(int b_x_combination=2; b_x_combination<=82; b_x_combination+=16) {
AhmedPlaymaker 36:dfdd619874ae 288 //For West side of walls
AhmedPlaymaker 36:dfdd619874ae 289 if(
AhmedPlaymaker 36:dfdd619874ae 290 ((snake_pos[i].x == b_pos.x + b_x_combination+2) || //W
AhmedPlaymaker 38:30e4e6191762 291 (snake_pos[i].x + 1 == b_x_combination+2))&&(_d != E)&&(_length > i) //W
AhmedPlaymaker 36:dfdd619874ae 292 ) {
AhmedPlaymaker 36:dfdd619874ae 293 //code makes sure that the colliding part doesn't move in x axis.
AhmedPlaymaker 37:ee47699915b8 294 for(int snake_beed_num=0; snake_beed_num<=10; snake_beed_num++) {
AhmedPlaymaker 37:ee47699915b8 295 if(_length == snake_beed_num + i) {
AhmedPlaymaker 36:dfdd619874ae 296 b[snake_beed_num - 1] = 0;
AhmedPlaymaker 36:dfdd619874ae 297 }
AhmedPlaymaker 26:3495f7b0ede7 298 }
AhmedPlaymaker 25:e827f1a8fadc 299 }
AhmedPlaymaker 36:dfdd619874ae 300 //for East side of walls
AhmedPlaymaker 36:dfdd619874ae 301 else if (
AhmedPlaymaker 36:dfdd619874ae 302 ((snake_pos[i].x + 1 == b_x_combination) || //E
AhmedPlaymaker 38:30e4e6191762 303 (snake_pos[i].x + 2 == b_x_combination))&&(_d != W)&&(_length > i) //E
AhmedPlaymaker 36:dfdd619874ae 304 ) {
AhmedPlaymaker 36:dfdd619874ae 305 //code makes sure that the colliding part doesn't move in x axis.
AhmedPlaymaker 37:ee47699915b8 306 for(int snake_beed_num=0; snake_beed_num<=10; snake_beed_num++) {
AhmedPlaymaker 37:ee47699915b8 307 if(_length == snake_beed_num + i) {
AhmedPlaymaker 36:dfdd619874ae 308 b[snake_beed_num - 1] = 0;
AhmedPlaymaker 36:dfdd619874ae 309 }
AhmedPlaymaker 32:3a3bdeffdf62 310 }
AhmedPlaymaker 32:3a3bdeffdf62 311 }
AhmedPlaymaker 26:3495f7b0ede7 312 }
AhmedPlaymaker 25:e827f1a8fadc 313 }
AhmedPlaymaker 24:1c118b071430 314 }
AhmedPlaymaker 15:f4d069da093d 315 }
AhmedPlaymaker 22:ee698f66146f 316 }