Ahmed Adamjee / Mbed 2 deprecated SnakeVSBlock

Snake vs Block Game to be run upon K64F.

Dependencies:   mbed

GameEngine/SnakevsBlock/SnakevsBlock.cpp@81:4c1641e10dcd, 2019-05-06 (annotated)

Committer:
AhmedPlaymaker
Date:
Mon May 06 09:05:09 2019 +0000
Revision:
81:4c1641e10dcd
Parent:
80:51ca38c5dcdf
Child:
82:c51ae8a501d1
Made Some Barriers, not sure about them tough

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 67:39b9ba6019b0 15 SnakevsBlock::object_initialisations();
AhmedPlaymaker 41:4edac50f010d 16 //The level initialisation and all the other initial information passing will be done here
AhmedPlaymaker 19:05cc9f801468 17 level = 1;
AhmedPlaymaker 59:c65a2e933c47 18 _maxLength = 10; // this makes us go to the next level if if maxLength is achieved;
AhmedPlaymaker 41:4edac50f010d 19 garbage = 0; //this is to allow the user to change the position of reference for motion control by saving the absolute angle.
AhmedPlaymaker 64:540aa1602372 20 _dropbuff = 0; //this makes the food fall at diffrent times when a particular level starts.
AhmedPlaymaker 56:142e9fdb77a8 21 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 59:c65a2e933c47 22 blockgap = 300; //this is the number of itterations the block will reccur after in the first level.
AhmedPlaymaker 70:7caab8069b9b 23
AhmedPlaymaker 74:7b6568bc16d5 24 //To make default motion of the snake free.
AhmedPlaymaker 71:4bd2b27693f3 25 for(int i=0; i<=9; i++) {
AhmedPlaymaker 70:7caab8069b9b 26 b[i] = 1;
AhmedPlaymaker 62:ebf6ecf8a6d5 27 }
AhmedPlaymaker 7:48ba87cd79b5 28 }
AhmedPlaymaker 7:48ba87cd79b5 29
AhmedPlaymaker 41:4edac50f010d 30 void SnakevsBlock::reset()
AhmedPlaymaker 41:4edac50f010d 31 {
AhmedPlaymaker 67:39b9ba6019b0 32 SnakevsBlock::object_initialisations();
AhmedPlaymaker 41:4edac50f010d 33 //This prepares the game for the next level by reseting certain variables.
AhmedPlaymaker 64:540aa1602372 34 _dropbuff = 0;
AhmedPlaymaker 67:39b9ba6019b0 35 if(blockgap >= 60) {
AhmedPlaymaker 62:ebf6ecf8a6d5 36 blockgap -= 10; //to make progressive levels harder by making the blocks drop more frequently.
AhmedPlaymaker 62:ebf6ecf8a6d5 37 }
AhmedPlaymaker 74:7b6568bc16d5 38 //To make default motion of the snake free.
AhmedPlaymaker 74:7b6568bc16d5 39 for(int i=0; i<=9; i++) {
AhmedPlaymaker 74:7b6568bc16d5 40 b[i] = 1;
AhmedPlaymaker 74:7b6568bc16d5 41 }
AhmedPlaymaker 49:441c32f6603e 42 }
AhmedPlaymaker 49:441c32f6603e 43
AhmedPlaymaker 49:441c32f6603e 44 void SnakevsBlock::object_initialisations()
AhmedPlaymaker 49:441c32f6603e 45 {
AhmedPlaymaker 49:441c32f6603e 46 _l.init(); //length calc object initialisation.
AhmedPlaymaker 68:b9cfd27987ac 47 _s.init(3,1); //snake object initialisation.
AhmedPlaymaker 49:441c32f6603e 48 _f.init(); //food 1 object initialisation.
AhmedPlaymaker 49:441c32f6603e 49 _ff.init(); //food 2 object initialisation.
AhmedPlaymaker 49:441c32f6603e 50 _fff.init(); //food 3 object initialisation.
AhmedPlaymaker 49:441c32f6603e 51 _b.init(); //block object initialisation.
AhmedPlaymaker 81:4c1641e10dcd 52 _barA.init(); //barrier A object initialisation.
AhmedPlaymaker 81:4c1641e10dcd 53 _barB.init(); //barrier B object initialisation.
AhmedPlaymaker 41:4edac50f010d 54 }
AhmedPlaymaker 7:48ba87cd79b5 55
AhmedPlaymaker 39:210ac915e0a0 56 void SnakevsBlock::read_input(Gamepad &pad, FXOS8700CQ &device, int g_mode)
AhmedPlaymaker 7:48ba87cd79b5 57 {
AhmedPlaymaker 63:205f0ca48473 58 SnakevsBlock::calculateTilt(pad, device);
AhmedPlaymaker 63:205f0ca48473 59
AhmedPlaymaker 56:142e9fdb77a8 60 switch (g_mode) {
AhmedPlaymaker 62:ebf6ecf8a6d5 61 case 1:
AhmedPlaymaker 62:ebf6ecf8a6d5 62 _d = pad.get_direction(); //Obtains Direction pushed towards on Joystick.
AhmedPlaymaker 62:ebf6ecf8a6d5 63 break;
AhmedPlaymaker 62:ebf6ecf8a6d5 64 case 2:
AhmedPlaymaker 80:51ca38c5dcdf 65 if (_tiltAngle >= 5) {
AhmedPlaymaker 62:ebf6ecf8a6d5 66 _d = E;
AhmedPlaymaker 80:51ca38c5dcdf 67 } else if (_tiltAngle <= -5) {
AhmedPlaymaker 62:ebf6ecf8a6d5 68 _d = W;
AhmedPlaymaker 62:ebf6ecf8a6d5 69 } else {
AhmedPlaymaker 62:ebf6ecf8a6d5 70 _d = CENTRE;
AhmedPlaymaker 62:ebf6ecf8a6d5 71 }
AhmedPlaymaker 62:ebf6ecf8a6d5 72 break;
AhmedPlaymaker 38:30e4e6191762 73 }
AhmedPlaymaker 63:205f0ca48473 74 SnakevsBlock::lightTheLEDS(pad); //This function ligths the LEDS dependent on the direction of travel.
AhmedPlaymaker 38:30e4e6191762 75 //printf("%d",gm);
AhmedPlaymaker 63:205f0ca48473 76 //printf("%f",_tiltAngle);
AhmedPlaymaker 63:205f0ca48473 77 //printf("%f",device.get_roll_angle());
AhmedPlaymaker 63:205f0ca48473 78 }
AhmedPlaymaker 63:205f0ca48473 79
AhmedPlaymaker 76:7fa91122907f 80 void SnakevsBlock::calculateTilt(Gamepad &pad, FXOS8700CQ &device) //this just reads the angle of tilt required for motion contol and also resets it if A is pressed.
AhmedPlaymaker 63:205f0ca48473 81 {
AhmedPlaymaker 63:205f0ca48473 82 device.get_values();
AhmedPlaymaker 63:205f0ca48473 83 _tiltAngle = -device.get_roll_angle();
AhmedPlaymaker 63:205f0ca48473 84 //if button A is pressed then reset that particular position to center
AhmedPlaymaker 63:205f0ca48473 85 if (pad.check_event(Gamepad::A_PRESSED) == true) {
AhmedPlaymaker 63:205f0ca48473 86 garbage = _tiltAngle;
AhmedPlaymaker 63:205f0ca48473 87 }
AhmedPlaymaker 63:205f0ca48473 88 _tiltAngle = -device.get_roll_angle() - garbage;
AhmedPlaymaker 63:205f0ca48473 89
AhmedPlaymaker 63:205f0ca48473 90 //device.get_values();
AhmedPlaymaker 63:205f0ca48473 91 //printf("%f",_tiltAngle);
AhmedPlaymaker 38:30e4e6191762 92 //printf("%f",device.get_roll_angle());
AhmedPlaymaker 7:48ba87cd79b5 93 }
AhmedPlaymaker 7:48ba87cd79b5 94
AhmedPlaymaker 63:205f0ca48473 95 void SnakevsBlock::lightTheLEDS(Gamepad &pad) //This function ligths the LEDS dependent on the direction of travel.
AhmedPlaymaker 63:205f0ca48473 96 {
AhmedPlaymaker 63:205f0ca48473 97 if (_d == E) {
AhmedPlaymaker 63:205f0ca48473 98 for(int led = 4; led <= 6; led++) {
AhmedPlaymaker 63:205f0ca48473 99 pad.led(led,1);
AhmedPlaymaker 63:205f0ca48473 100 }
AhmedPlaymaker 63:205f0ca48473 101 } else if (_d == W) {
AhmedPlaymaker 63:205f0ca48473 102 for(int led = 1; led <= 3; led++) {
AhmedPlaymaker 63:205f0ca48473 103 pad.led(led,1);
AhmedPlaymaker 63:205f0ca48473 104 }
AhmedPlaymaker 63:205f0ca48473 105 } else {
AhmedPlaymaker 63:205f0ca48473 106 for(int led = 1; led <= 6; led++) {
AhmedPlaymaker 63:205f0ca48473 107 pad.led(led,0);
AhmedPlaymaker 63:205f0ca48473 108 }
AhmedPlaymaker 63:205f0ca48473 109 }
AhmedPlaymaker 63:205f0ca48473 110 }
AhmedPlaymaker 63:205f0ca48473 111
AhmedPlaymaker 62:ebf6ecf8a6d5 112 void SnakevsBlock::draw(N5110 &lcd, Gamepad &pad)
AhmedPlaymaker 62:ebf6ecf8a6d5 113 {
AhmedPlaymaker 55:df0825049171 114 _length = _l._getLength(); //saves the snake length into a private variable.
AhmedPlaymaker 70:7caab8069b9b 115 SnakevsBlock::makeVirtualLengthMaxTen(); //stops the length at 10 for collision and drawing purposes.
AhmedPlaymaker 79:35cb65c52d25 116 _s.draw(lcd, _virtualLength); //Draws the Snake and sends the value of length to the snake class, which is capped at 10.
AhmedPlaymaker 64:540aa1602372 117 if(_dropbuff >= 0) {
AhmedPlaymaker 64:540aa1602372 118 _f.draw(lcd); //Draws the first food after a loop delay of 0.
AhmedPlaymaker 39:210ac915e0a0 119 }
AhmedPlaymaker 64:540aa1602372 120 if(_dropbuff >= 50) {
AhmedPlaymaker 64:540aa1602372 121 _ff.draw(lcd); //Draws the first food after a loop delay of 50.
AhmedPlaymaker 9:d1d79d4ee673 122 }
AhmedPlaymaker 64:540aa1602372 123 if(_dropbuff >= 80) {
AhmedPlaymaker 64:540aa1602372 124 _fff.draw(lcd); //Draws the first food after a loop delay of 80.
AhmedPlaymaker 39:210ac915e0a0 125 }
AhmedPlaymaker 81:4c1641e10dcd 126 if(_dropbuff >= 22) {
AhmedPlaymaker 81:4c1641e10dcd 127 _barA.draw(lcd, b_pos.y); //Draws the first set of blocks after a loop delay of 8.
AhmedPlaymaker 81:4c1641e10dcd 128 }
AhmedPlaymaker 81:4c1641e10dcd 129 if(_dropbuff >= 40) {
AhmedPlaymaker 81:4c1641e10dcd 130 _barB.draw(lcd, b_pos.y); //Draws the first set of blocks after a loop delay of 8.
AhmedPlaymaker 81:4c1641e10dcd 131 }
AhmedPlaymaker 79:35cb65c52d25 132 if(_dropbuff >= 8) {
AhmedPlaymaker 79:35cb65c52d25 133 _b.draw(lcd, _length); //Draws the first set of blocks after a loop delay of 8.
AhmedPlaymaker 79:35cb65c52d25 134 }
AhmedPlaymaker 64:540aa1602372 135 _dropbuff +=1;
AhmedPlaymaker 79:35cb65c52d25 136 //Code to print length of snake on nokia screen.
AhmedPlaymaker 41:4edac50f010d 137 _l.print_length_on_screen(lcd);
AhmedPlaymaker 62:ebf6ecf8a6d5 138 }
AhmedPlaymaker 39:210ac915e0a0 139
AhmedPlaymaker 63:205f0ca48473 140 void SnakevsBlock::update(N5110 &lcd, Gamepad &pad) //Updates objects on screen.
AhmedPlaymaker 39:210ac915e0a0 141 {
AhmedPlaymaker 77:5c6bd659c32d 142 SnakevsBlock::MakeDefaultMotionFree(); //this makes the default motion of the snake freemoving before a collision is checked for, to forget the previous collision.
AhmedPlaymaker 76:7fa91122907f 143 send_block_number = 0; //this is for the game to decide wether to send the number on the block for the current itteration to the blaocks class.
AhmedPlaymaker 76:7fa91122907f 144 //we dont need to remember if it has already gone past the screen. The saved number in this changes if the snake collides with the block in CheckSnakeBlockCollision.
AhmedPlaymaker 63:205f0ca48473 145 SnakevsBlock::CheckSnakeFoodCollision(pad); //Function checks for when the snake collides with it's food.
AhmedPlaymaker 63:205f0ca48473 146 SnakevsBlock::CheckSnakeBlockCollision(pad); //Function checks for when the snake collides with any of the blocks.
AhmedPlaymaker 63:205f0ca48473 147 SnakevsBlock::CheckSnakeBlockSidesCollision(pad); //Function checks for when the snake collides with any of the blocks' sides.
AhmedPlaymaker 41:4edac50f010d 148 _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 149 _f.update();
AhmedPlaymaker 9:d1d79d4ee673 150 _ff.update();
AhmedPlaymaker 62:ebf6ecf8a6d5 151 _fff.update();
AhmedPlaymaker 48:d774bb162c61 152 _b.update(blocknum, blockgap, srn, send_block_number);
AhmedPlaymaker 81:4c1641e10dcd 153 _barA.update(blockgap);
AhmedPlaymaker 81:4c1641e10dcd 154 _barB.update(blockgap);
AhmedPlaymaker 63:205f0ca48473 155
AhmedPlaymaker 63:205f0ca48473 156 }
AhmedPlaymaker 63:205f0ca48473 157
AhmedPlaymaker 63:205f0ca48473 158 int SnakevsBlock::CheckGameProgression(N5110 &lcd, Gamepad &pad, SDFileSystem &sd)
AhmedPlaymaker 63:205f0ca48473 159 {
AhmedPlaymaker 63:205f0ca48473 160 //Function handles level progression and level failure operations by using the class WinLoose.
AhmedPlaymaker 49:441c32f6603e 161 if(_length == 0) {
AhmedPlaymaker 49:441c32f6603e 162 _wl.GameOver(lcd,pad);
AhmedPlaymaker 49:441c32f6603e 163 }
AhmedPlaymaker 63:205f0ca48473 164 if((pad.check_event(Gamepad::BACK_PRESSED))||(_length == 0)) { //Waits for Back button to be pressed or the length to reach 0.
AhmedPlaymaker 25:e827f1a8fadc 165 back = 1;
AhmedPlaymaker 25:e827f1a8fadc 166 SnakevsBlock::init();
AhmedPlaymaker 62:ebf6ecf8a6d5 167 } else {
AhmedPlaymaker 25:e827f1a8fadc 168 back = 0;
AhmedPlaymaker 25:e827f1a8fadc 169 }
AhmedPlaymaker 52:c2faa96cf293 170 //printf("%d\n",_length);
AhmedPlaymaker 59:c65a2e933c47 171 if(_length >= _maxLength) {
AhmedPlaymaker 59:c65a2e933c47 172 _maxLength++;
AhmedPlaymaker 50:3cf9a94a264e 173 level = _wl.LevelComplete(lcd, pad, level);
AhmedPlaymaker 50:3cf9a94a264e 174 _Setstats.write(level, sd);
AhmedPlaymaker 63:205f0ca48473 175 //_statset.read(sd); //to read the currently stored value.
AhmedPlaymaker 63:205f0ca48473 176 SnakevsBlock::reset(); //reset prepares the game for the next level.
AhmedPlaymaker 50:3cf9a94a264e 177 }
AhmedPlaymaker 63:205f0ca48473 178 //_statset.read(sd); //to read the currently stored value.
AhmedPlaymaker 25:e827f1a8fadc 179 return back;
AhmedPlaymaker 7:48ba87cd79b5 180 }
AhmedPlaymaker 7:48ba87cd79b5 181
AhmedPlaymaker 7:48ba87cd79b5 182 void SnakevsBlock::get_pos()
AhmedPlaymaker 7:48ba87cd79b5 183 {
AhmedPlaymaker 7:48ba87cd79b5 184 //printf("player pos = %f %f \n", player_pos.x, player_pos.y); //top left of player sprite
AhmedPlaymaker 7:48ba87cd79b5 185 // 81.000000 0.000000 top right
AhmedPlaymaker 7:48ba87cd79b5 186 // 0.000000 0.000000 is top left
AhmedPlaymaker 7:48ba87cd79b5 187 // 81.000000 45.000000 bottom right
AhmedPlaymaker 70:7caab8069b9b 188 snakex = _s.get_pos(0).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 70:7caab8069b9b 189 snakey = _s.get_pos(0).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 190 //printf("snakexy in GAME = %d %d \n", snakex, snakey);
AhmedPlaymaker 41:4edac50f010d 191 //Obtains all required coordinates.
AhmedPlaymaker 41:4edac50f010d 192 food_pos[0] = _f.get_pos();
AhmedPlaymaker 41:4edac50f010d 193 food_pos[1] = _ff.get_pos();
AhmedPlaymaker 41:4edac50f010d 194 food_pos[2] = _fff.get_pos();
AhmedPlaymaker 41:4edac50f010d 195 //obtains origin cordinates of block.
AhmedPlaymaker 41:4edac50f010d 196 b_pos = _b.get_pos();
AhmedPlaymaker 41:4edac50f010d 197 //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 71:4bd2b27693f3 198 for(int i = 0; i <= 9; i++) {
AhmedPlaymaker 71:4bd2b27693f3 199 snake_pos[i] = _s.get_pos(i); //gets the position of the each beed from the snake class and saves in array.
AhmedPlaymaker 71:4bd2b27693f3 200 }
AhmedPlaymaker 62:ebf6ecf8a6d5 201 }
AhmedPlaymaker 62:ebf6ecf8a6d5 202
AhmedPlaymaker 9:d1d79d4ee673 203
AhmedPlaymaker 62:ebf6ecf8a6d5 204 void SnakevsBlock::CheckSnakeFoodCollision(Gamepad &pad)
AhmedPlaymaker 62:ebf6ecf8a6d5 205 {
AhmedPlaymaker 32:3a3bdeffdf62 206 //If statements check if the snake sprite has collided with any
AhmedPlaymaker 32:3a3bdeffdf62 207 //of the three food sprites, if so then the food location is reset and
AhmedPlaymaker 32:3a3bdeffdf62 208 //length of the snake is increased using the length variable.
AhmedPlaymaker 65:2872ca289b49 209
AhmedPlaymaker 79:35cb65c52d25 210 for(int food_sr=0; food_sr<=2; food_sr++) { //this loop runs 3 times to detect collision with all the three food objects.
AhmedPlaymaker 79:35cb65c52d25 211 SnakevsBlock::CheckSnakeFoodYCollision(pad, food_sr);
AhmedPlaymaker 79:35cb65c52d25 212 }
AhmedPlaymaker 65:2872ca289b49 213
AhmedPlaymaker 29:c6358c39a70e 214 _f.set_pos(food_pos[0]);
AhmedPlaymaker 29:c6358c39a70e 215 _ff.set_pos(food_pos[1]);
AhmedPlaymaker 29:c6358c39a70e 216 _fff.set_pos(food_pos[2]);
AhmedPlaymaker 29:c6358c39a70e 217 }
AhmedPlaymaker 62:ebf6ecf8a6d5 218
AhmedPlaymaker 79:35cb65c52d25 219 void SnakevsBlock::CheckSnakeFoodYCollision(Gamepad &pad, int food_sr)
AhmedPlaymaker 65:2872ca289b49 220 {
AhmedPlaymaker 79:35cb65c52d25 221 for(int y=0; y<=2; y++) { //this loop automatically detects for each collision of food and snake in the y axis.
AhmedPlaymaker 65:2872ca289b49 222
AhmedPlaymaker 79:35cb65c52d25 223 if(
AhmedPlaymaker 79:35cb65c52d25 224 ((snakey + y == food_pos[food_sr].y) ||
AhmedPlaymaker 79:35cb65c52d25 225 (snakey + y == food_pos[food_sr].y + 1) ||
AhmedPlaymaker 79:35cb65c52d25 226 (snakey + y == food_pos[food_sr].y + 2))
AhmedPlaymaker 79:35cb65c52d25 227 ) {
AhmedPlaymaker 79:35cb65c52d25 228 SnakevsBlock::CheckSnakeFoodXCollision(pad, food_sr); //checks X collision only if Y collisison satisfies.
AhmedPlaymaker 79:35cb65c52d25 229 }
AhmedPlaymaker 65:2872ca289b49 230 }
AhmedPlaymaker 65:2872ca289b49 231
AhmedPlaymaker 65:2872ca289b49 232 }
AhmedPlaymaker 65:2872ca289b49 233
AhmedPlaymaker 79:35cb65c52d25 234 void SnakevsBlock::CheckSnakeFoodXCollision(Gamepad &pad, int food_sr)
AhmedPlaymaker 65:2872ca289b49 235 {
AhmedPlaymaker 79:35cb65c52d25 236
AhmedPlaymaker 79:35cb65c52d25 237 for(int x=0; x<=2; x++) { //this loop automatically detects for each collision of food and snake in the x axis.
AhmedPlaymaker 79:35cb65c52d25 238 if(
AhmedPlaymaker 65:2872ca289b49 239 ((snakex + x == food_pos[food_sr].x) ||
AhmedPlaymaker 65:2872ca289b49 240 (snakex + x == food_pos[food_sr].x + 1) ||
AhmedPlaymaker 65:2872ca289b49 241 (snakex + x == food_pos[food_sr].x + 2))
AhmedPlaymaker 65:2872ca289b49 242 ) {
AhmedPlaymaker 79:35cb65c52d25 243 SnakevsBlock::ImplementSnakeFoodCollision(pad, food_sr);
AhmedPlaymaker 65:2872ca289b49 244 }
AhmedPlaymaker 79:35cb65c52d25 245
AhmedPlaymaker 65:2872ca289b49 246 }
AhmedPlaymaker 65:2872ca289b49 247
AhmedPlaymaker 65:2872ca289b49 248 }
AhmedPlaymaker 65:2872ca289b49 249
AhmedPlaymaker 79:35cb65c52d25 250 void SnakevsBlock::ImplementSnakeFoodCollision(Gamepad &pad, int food_sr)
AhmedPlaymaker 79:35cb65c52d25 251 {
AhmedPlaymaker 79:35cb65c52d25 252 //printf("snake feast working \n");
AhmedPlaymaker 79:35cb65c52d25 253 //audio feedback
AhmedPlaymaker 79:35cb65c52d25 254 pad.tone(786.0,0.1);
AhmedPlaymaker 79:35cb65c52d25 255 _l.PlusLength();
AhmedPlaymaker 79:35cb65c52d25 256
AhmedPlaymaker 79:35cb65c52d25 257 ////////////RESET FOOD POSITION////////////
AhmedPlaymaker 79:35cb65c52d25 258 food_pos[food_sr].x = (rand() % 82); //this makes the food pop up at a random, unspecified location in the x axis.
AhmedPlaymaker 79:35cb65c52d25 259 food_pos[food_sr].y = -3;
AhmedPlaymaker 79:35cb65c52d25 260
AhmedPlaymaker 79:35cb65c52d25 261 }
AhmedPlaymaker 79:35cb65c52d25 262
AhmedPlaymaker 62:ebf6ecf8a6d5 263 void SnakevsBlock::CheckSnakeBlockCollision(Gamepad &pad)
AhmedPlaymaker 62:ebf6ecf8a6d5 264 {
AhmedPlaymaker 41:4edac50f010d 265 //Obtains the numbers inside the block.
AhmedPlaymaker 39:210ac915e0a0 266 b_number = _b.get_number();
AhmedPlaymaker 39:210ac915e0a0 267 //If statements check if the snake sprite has collided with any
AhmedPlaymaker 39:210ac915e0a0 268 //of the blocks which are a maximum of 5, if so then the snake length reduces and the block number reduces
AhmedPlaymaker 39:210ac915e0a0 269 //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 270 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 271 if (((snakey == b_pos.y + 11)||
AhmedPlaymaker 62:ebf6ecf8a6d5 272 (snakey == b_pos.y + 10)||
AhmedPlaymaker 62:ebf6ecf8a6d5 273 (snakey == b_pos.y + 9)||
AhmedPlaymaker 62:ebf6ecf8a6d5 274 (snakey == b_pos.y + 8))&&
AhmedPlaymaker 62:ebf6ecf8a6d5 275 (snakex + 1 == b_pos.x + block)) {
AhmedPlaymaker 43:233f93860d08 276 //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 277 //printf("snake collision working \n");
AhmedPlaymaker 39:210ac915e0a0 278 //audio feedback
AhmedPlaymaker 39:210ac915e0a0 279 srn = CheckBlock(block); //this tells us which of the 5 blocks we are colliding with
AhmedPlaymaker 63:205f0ca48473 280 blocknum = b_number[srn]; //this saves the number inside the colliding block into blocknum.
AhmedPlaymaker 65:2872ca289b49 281 ImplementSnakeBlockCollision(pad); //this implements the collision once the conditions are met.
AhmedPlaymaker 65:2872ca289b49 282 SnakevsBlock::_setVelocity(srn); //sets the block and foods free or frezes them depending on snake length.
AhmedPlaymaker 12:1e601b176437 283 }
AhmedPlaymaker 39:210ac915e0a0 284 }
AhmedPlaymaker 39:210ac915e0a0 285 }
AhmedPlaymaker 62:ebf6ecf8a6d5 286
AhmedPlaymaker 65:2872ca289b49 287 void SnakevsBlock::_setVelocity(int srn)
AhmedPlaymaker 62:ebf6ecf8a6d5 288 {
AhmedPlaymaker 65:2872ca289b49 289 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 65:2872ca289b49 290 velocity = 0; //the block and food have to stop as if length of snake is 15 and it reaches 10 one by one, it stays at the same place, as max virtual length
AhmedPlaymaker 65:2872ca289b49 291 } else { //is 10.
AhmedPlaymaker 65:2872ca289b49 292 velocity = 1;
AhmedPlaymaker 65:2872ca289b49 293 }
AhmedPlaymaker 39:210ac915e0a0 294 _b.velocity.y = velocity;
AhmedPlaymaker 39:210ac915e0a0 295 _f.velocity.y = velocity;
AhmedPlaymaker 39:210ac915e0a0 296 _ff.velocity.y = velocity;
AhmedPlaymaker 39:210ac915e0a0 297 _fff.velocity.y = velocity;
AhmedPlaymaker 27:3b4775a0d0bb 298 }
AhmedPlaymaker 62:ebf6ecf8a6d5 299
AhmedPlaymaker 62:ebf6ecf8a6d5 300 int SnakevsBlock::CheckBlock(int block)
AhmedPlaymaker 62:ebf6ecf8a6d5 301 {
AhmedPlaymaker 29:c6358c39a70e 302 int srn;
AhmedPlaymaker 62:ebf6ecf8a6d5 303 if((block>=0)&&(block<=18)) {
AhmedPlaymaker 62:ebf6ecf8a6d5 304 srn = 0;
AhmedPlaymaker 62:ebf6ecf8a6d5 305 }
AhmedPlaymaker 62:ebf6ecf8a6d5 306 if((block>=19)&&(block<=34)) {
AhmedPlaymaker 62:ebf6ecf8a6d5 307 srn = 1;
AhmedPlaymaker 62:ebf6ecf8a6d5 308 }
AhmedPlaymaker 62:ebf6ecf8a6d5 309 if((block>=35)&&(block<=50)) {
AhmedPlaymaker 62:ebf6ecf8a6d5 310 srn = 2;
AhmedPlaymaker 62:ebf6ecf8a6d5 311 }
AhmedPlaymaker 62:ebf6ecf8a6d5 312 if((block>=51)&&(block<=66)) {
AhmedPlaymaker 62:ebf6ecf8a6d5 313 srn = 3;
AhmedPlaymaker 62:ebf6ecf8a6d5 314 }
AhmedPlaymaker 62:ebf6ecf8a6d5 315 if((block>=67)&&(block<=83)) {
AhmedPlaymaker 62:ebf6ecf8a6d5 316 srn = 4;
AhmedPlaymaker 62:ebf6ecf8a6d5 317 }
AhmedPlaymaker 29:c6358c39a70e 318 return srn;
AhmedPlaymaker 29:c6358c39a70e 319 }
AhmedPlaymaker 62:ebf6ecf8a6d5 320
AhmedPlaymaker 65:2872ca289b49 321 void SnakevsBlock::ImplementSnakeBlockCollision(Gamepad &pad)
AhmedPlaymaker 62:ebf6ecf8a6d5 322 {
AhmedPlaymaker 42:973bb6036f81 323 send_block_number = 1;
AhmedPlaymaker 44:cd10d07ea1e5 324 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 325 _l.MinusLength();
AhmedPlaymaker 63:205f0ca48473 326 pad.tone(432.0,0.1);
AhmedPlaymaker 29:c6358c39a70e 327 wait(0.04);
AhmedPlaymaker 12:1e601b176437 328 }
AhmedPlaymaker 44:cd10d07ea1e5 329 blocknum-=1;
AhmedPlaymaker 13:9785f2404045 330 }
AhmedPlaymaker 13:9785f2404045 331
AhmedPlaymaker 38:30e4e6191762 332 void SnakevsBlock::CheckSnakeBlockSidesCollision(Gamepad &pad)
AhmedPlaymaker 42:973bb6036f81 333 {
AhmedPlaymaker 42:973bb6036f81 334 //If statements check if the snake sprite has collided with any
AhmedPlaymaker 42:973bb6036f81 335 //of the blocks' sides and then stop the snake moving in x axis
AhmedPlaymaker 63:205f0ca48473 336
AhmedPlaymaker 63:205f0ca48473 337 for(int i=0; i<=9; i++) { //i checks for all possible collisions with the snake respective to it's length.
AhmedPlaymaker 65:2872ca289b49 338 SnakevsBlock::CheckSnakeBlockSidesYCollision(i); //checks if the snake and the block are at the same position in y axis.
AhmedPlaymaker 63:205f0ca48473 339 }
AhmedPlaymaker 63:205f0ca48473 340
AhmedPlaymaker 63:205f0ca48473 341 }
AhmedPlaymaker 63:205f0ca48473 342
AhmedPlaymaker 63:205f0ca48473 343 void SnakevsBlock::MakeDefaultMotionFree() //this makes the default motion of the snake freemoving before a collision is checked for, to forget the previous collision.
AhmedPlaymaker 63:205f0ca48473 344 {
AhmedPlaymaker 42:973bb6036f81 345 for(int i=0; i<=9; i++) {
AhmedPlaymaker 42:973bb6036f81 346 b[i] = 1;
AhmedPlaymaker 42:973bb6036f81 347 }
AhmedPlaymaker 62:ebf6ecf8a6d5 348 }
AhmedPlaymaker 62:ebf6ecf8a6d5 349
AhmedPlaymaker 65:2872ca289b49 350 void SnakevsBlock::CheckSnakeBlockSidesYCollision(int i) //i is the index of the snake beed and checks for all possible collisions with the snake respective to it's length.
AhmedPlaymaker 62:ebf6ecf8a6d5 351 {
AhmedPlaymaker 62:ebf6ecf8a6d5 352 //This code checks if the snake and the block overlap in the Y axis.
AhmedPlaymaker 79:35cb65c52d25 353 for(int Y=0; Y<=10; Y++) { //this carries out the next stage if the Y axis collision criterion is met.
AhmedPlaymaker 62:ebf6ecf8a6d5 354 if (
AhmedPlaymaker 79:35cb65c52d25 355 (snake_pos[i].y == b_pos.y + Y) ||
AhmedPlaymaker 79:35cb65c52d25 356 (snake_pos[i].y + 1 == b_pos.y + Y) ||
AhmedPlaymaker 79:35cb65c52d25 357 (snake_pos[i].y + 2 == b_pos.y + Y)) {
AhmedPlaymaker 62:ebf6ecf8a6d5 358
AhmedPlaymaker 65:2872ca289b49 359 SnakevsBlock::CheckSnakeBlockSidesXCollision(i); //checks if the snake and the block are at the same position in x axis.
AhmedPlaymaker 62:ebf6ecf8a6d5 360
AhmedPlaymaker 62:ebf6ecf8a6d5 361 }
AhmedPlaymaker 62:ebf6ecf8a6d5 362 }
AhmedPlaymaker 62:ebf6ecf8a6d5 363 }
AhmedPlaymaker 62:ebf6ecf8a6d5 364
AhmedPlaymaker 65:2872ca289b49 365 void SnakevsBlock::CheckSnakeBlockSidesXCollision(int i) //i is the index of the snake beed and checks for all possible collisions with the snake respective to it's length.
AhmedPlaymaker 62:ebf6ecf8a6d5 366 {
AhmedPlaymaker 79:35cb65c52d25 367 for(int X=3; X<=83; X+=16) { //this creates a loop in which each barrier is checked for in each loop using the following functions, by running loops
AhmedPlaymaker 79:35cb65c52d25 368 //in relation to where the sides of the blocks are situated in the X axis.
AhmedPlaymaker 62:ebf6ecf8a6d5 369
AhmedPlaymaker 79:35cb65c52d25 370 SnakevsBlock::CheckSnakeBlockSidesEastWestCollision(X, i); //checks if the colliding wall is on east side or west side.
AhmedPlaymaker 79:35cb65c52d25 371 //X is sent because every barrier is in a diffrent position and W/E collision happen at either side of these and therefore cannot have a common X collision.
AhmedPlaymaker 62:ebf6ecf8a6d5 372 }
AhmedPlaymaker 62:ebf6ecf8a6d5 373 }
AhmedPlaymaker 62:ebf6ecf8a6d5 374
AhmedPlaymaker 79:35cb65c52d25 375 void SnakevsBlock::CheckSnakeBlockSidesEastWestCollision(int X, int i) //i checks for all possible collisions with the snake respective to it's length.
AhmedPlaymaker 62:ebf6ecf8a6d5 376 {
AhmedPlaymaker 70:7caab8069b9b 377 //For West side of walls
AhmedPlaymaker 62:ebf6ecf8a6d5 378 if(
AhmedPlaymaker 79:35cb65c52d25 379 ((snake_pos[i].x == X + 1) || //W
AhmedPlaymaker 79:35cb65c52d25 380 (snake_pos[i].x + 1 == X + 1))&&(_d != E)&&(_virtualLength > i) //W
AhmedPlaymaker 62:ebf6ecf8a6d5 381 ) {
AhmedPlaymaker 65:2872ca289b49 382 SnakevsBlock::ImplementSnakeBlockSidesCollision(i);
AhmedPlaymaker 62:ebf6ecf8a6d5 383 }
AhmedPlaymaker 62:ebf6ecf8a6d5 384 //for East side of walls
AhmedPlaymaker 62:ebf6ecf8a6d5 385 else if (
AhmedPlaymaker 79:35cb65c52d25 386 ((snake_pos[i].x + 1 == X - 1) || //E
AhmedPlaymaker 79:35cb65c52d25 387 (snake_pos[i].x + 2 == X - 1))&&(_d != W)&&(_virtualLength > i) //E
AhmedPlaymaker 62:ebf6ecf8a6d5 388 ) {
AhmedPlaymaker 65:2872ca289b49 389 SnakevsBlock::ImplementSnakeBlockSidesCollision(i);
AhmedPlaymaker 62:ebf6ecf8a6d5 390 }
AhmedPlaymaker 62:ebf6ecf8a6d5 391 }
AhmedPlaymaker 62:ebf6ecf8a6d5 392
AhmedPlaymaker 64:540aa1602372 393 void SnakevsBlock::makeVirtualLengthMaxTen()
AhmedPlaymaker 64:540aa1602372 394 {
AhmedPlaymaker 64:540aa1602372 395 //this makes the virtual length -> 10 for the side collision implementation because if the length is fifteen and the last beed collides, it still is the 10th beed
AhmedPlaymaker 64:540aa1602372 396 //on screen.
AhmedPlaymaker 64:540aa1602372 397 _virtualLength = _length;
AhmedPlaymaker 71:4bd2b27693f3 398 if(_length >= 10) {
AhmedPlaymaker 64:540aa1602372 399 _virtualLength = 10; //to stop the snake length virtually at 10 when it goes past it.
AhmedPlaymaker 64:540aa1602372 400 }
AhmedPlaymaker 64:540aa1602372 401 }
AhmedPlaymaker 64:540aa1602372 402
AhmedPlaymaker 65:2872ca289b49 403 void SnakevsBlock::ImplementSnakeBlockSidesCollision(int i) //i is the index of the snake beed and checks for all possible collisions with the snake respective to it's length.
AhmedPlaymaker 62:ebf6ecf8a6d5 404 {
AhmedPlaymaker 62:ebf6ecf8a6d5 405 //code makes sure that the colliding part doesn't move in x axis.
AhmedPlaymaker 62:ebf6ecf8a6d5 406 for(int snake_beed_num=0; snake_beed_num<=10; snake_beed_num++) {
AhmedPlaymaker 64:540aa1602372 407 if(_virtualLength == snake_beed_num + i) {
AhmedPlaymaker 62:ebf6ecf8a6d5 408 b[snake_beed_num - 1] = 0;
AhmedPlaymaker 24:1c118b071430 409 }
AhmedPlaymaker 15:f4d069da093d 410 }
AhmedPlaymaker 22:ee698f66146f 411 }