Ahmed Adamjee / Mbed 2 deprecated SnakeVSBlock

Snake vs Block Game to be run upon K64F.

Dependencies:   mbed

GameObjects/Snake/Snake.cpp@83:329da564799a, 2019-05-06 (annotated)

Committer:
AhmedPlaymaker
Date:
Mon May 06 14:28:35 2019 +0000
Revision:
83:329da564799a
Parent:
81:4c1641e10dcd
Child:
87:871d9fecb593
Now, I have put gamepad and lcd objects from the main() in a pointer, so that i can declare them in init() in every class i use them in and use them as global objects for each class, without having to send their addresses to all of the functions.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AhmedPlaymaker 7:48ba87cd79b5 1 #include "Snake.h"
AhmedPlaymaker 7:48ba87cd79b5 2
AhmedPlaymaker 7:48ba87cd79b5 3 Snake::Snake()
AhmedPlaymaker 7:48ba87cd79b5 4 {
AhmedPlaymaker 7:48ba87cd79b5 5
AhmedPlaymaker 7:48ba87cd79b5 6 }
AhmedPlaymaker 7:48ba87cd79b5 7
AhmedPlaymaker 7:48ba87cd79b5 8 Snake::~Snake()
AhmedPlaymaker 7:48ba87cd79b5 9 {
AhmedPlaymaker 7:48ba87cd79b5 10
AhmedPlaymaker 7:48ba87cd79b5 11 }
AhmedPlaymaker 7:48ba87cd79b5 12
AhmedPlaymaker 7:48ba87cd79b5 13 //The Snake Sprite.
AhmedPlaymaker 8:890b986b16a4 14 int snake_sprite[3][3] = {
AhmedPlaymaker 8:890b986b16a4 15 {0,1,0},
AhmedPlaymaker 8:890b986b16a4 16 {1,0,1},
AhmedPlaymaker 8:890b986b16a4 17 {0,1,0},
AhmedPlaymaker 9:d1d79d4ee673 18 };
AhmedPlaymaker 7:48ba87cd79b5 19
AhmedPlaymaker 83:329da564799a 20 void Snake::init(N5110 *lcd)
AhmedPlaymaker 83:329da564799a 21 {
AhmedPlaymaker 83:329da564799a 22 _lcd = lcd;
AhmedPlaymaker 83:329da564799a 23 _speed = 1;
AhmedPlaymaker 83:329da564799a 24 reset = 0; //Variable used to allow a starting location for the player.
AhmedPlaymaker 83:329da564799a 25 }
AhmedPlaymaker 83:329da564799a 26
AhmedPlaymaker 83:329da564799a 27 void Snake::_setLength(int length)
AhmedPlaymaker 7:48ba87cd79b5 28 {
AhmedPlaymaker 68:b9cfd27987ac 29 _length = length;
AhmedPlaymaker 71:4bd2b27693f3 30 if(length >= 10) {
AhmedPlaymaker 71:4bd2b27693f3 31 _length = 10; //to stop the snake length virtually at 10 when it goes past it.
AhmedPlaymaker 71:4bd2b27693f3 32 }
AhmedPlaymaker 7:48ba87cd79b5 33 }
AhmedPlaymaker 7:48ba87cd79b5 34
AhmedPlaymaker 83:329da564799a 35 void Snake::_setSpeed(int speed)
AhmedPlaymaker 83:329da564799a 36 {
AhmedPlaymaker 83:329da564799a 37 _speed = speed;
AhmedPlaymaker 83:329da564799a 38 }
AhmedPlaymaker 7:48ba87cd79b5 39
AhmedPlaymaker 83:329da564799a 40 void Snake::draw()
AhmedPlaymaker 33:249cf423fb18 41 {
AhmedPlaymaker 81:4c1641e10dcd 42 if(reset == 0) {
AhmedPlaymaker 70:7caab8069b9b 43
AhmedPlaymaker 68:b9cfd27987ac 44 Vector2D p = {WIDTH/2, HEIGHT - 3}; //Spawns player sprite near the middle of the screen.
AhmedPlaymaker 68:b9cfd27987ac 45 Snake::set_pos(p);
AhmedPlaymaker 63:205f0ca48473 46
AhmedPlaymaker 81:4c1641e10dcd 47 reset = reset+1;
AhmedPlaymaker 22:ee698f66146f 48 }
AhmedPlaymaker 63:205f0ca48473 49 //printf("SPRITE %d %d \n", _x[0], _y[0]);
AhmedPlaymaker 63:205f0ca48473 50
AhmedPlaymaker 70:7caab8069b9b 51 for(int i=0; i<=_length-1; i++) {
AhmedPlaymaker 83:329da564799a 52 _lcd->drawSprite(_x[i],_y[i],3,3,(int *)snake_sprite); //Function used to draw the sprite.
AhmedPlaymaker 8:890b986b16a4 53 }
AhmedPlaymaker 7:48ba87cd79b5 54 }
AhmedPlaymaker 19:05cc9f801468 55
AhmedPlaymaker 24:1c118b071430 56
AhmedPlaymaker 68:b9cfd27987ac 57 void Snake::set_pos(Vector2D p)
AhmedPlaymaker 68:b9cfd27987ac 58 {
AhmedPlaymaker 68:b9cfd27987ac 59 _x[0] = p.x; //Spawns player sprite near the middle of the screen.
AhmedPlaymaker 68:b9cfd27987ac 60 _y[0] = p.y;
AhmedPlaymaker 68:b9cfd27987ac 61
AhmedPlaymaker 79:35cb65c52d25 62 for(int i=0; i<=8; i++) {
AhmedPlaymaker 68:b9cfd27987ac 63 _x[i+1] = _x[i];
AhmedPlaymaker 68:b9cfd27987ac 64 _y[i+1] = _y[i] - 3;
AhmedPlaymaker 68:b9cfd27987ac 65 }
AhmedPlaymaker 68:b9cfd27987ac 66 }
AhmedPlaymaker 68:b9cfd27987ac 67
AhmedPlaymaker 70:7caab8069b9b 68 Vector2D Snake::get_pos(int snakeIndex)
AhmedPlaymaker 7:48ba87cd79b5 69 {
AhmedPlaymaker 70:7caab8069b9b 70 Vector2D snakepos; //Stores the snake position.
AhmedPlaymaker 71:4bd2b27693f3 71
AhmedPlaymaker 70:7caab8069b9b 72 for(int i = (snakeIndex + 1); i<=10; i++) {
AhmedPlaymaker 41:4edac50f010d 73 if(_length == i) {
AhmedPlaymaker 70:7caab8069b9b 74 snakepos.x = _x[i - (snakeIndex + 1)];
AhmedPlaymaker 70:7caab8069b9b 75 snakepos.y = _y[i - (snakeIndex + 1)];
AhmedPlaymaker 24:1c118b071430 76 return snakepos;
AhmedPlaymaker 24:1c118b071430 77 }
AhmedPlaymaker 9:d1d79d4ee673 78 }
AhmedPlaymaker 41:4edac50f010d 79 if(_length >= 10) {
AhmedPlaymaker 70:7caab8069b9b 80 snakepos.x = _x[9 - snakeIndex];
AhmedPlaymaker 70:7caab8069b9b 81 snakepos.y = _y[9 - snakeIndex];
AhmedPlaymaker 63:205f0ca48473 82 return snakepos;
AhmedPlaymaker 37:ee47699915b8 83 }
AhmedPlaymaker 70:7caab8069b9b 84 snakepos.x = NULL;
AhmedPlaymaker 70:7caab8069b9b 85 snakepos.y = NULL;
AhmedPlaymaker 24:1c118b071430 86 return snakepos;
AhmedPlaymaker 7:48ba87cd79b5 87 //printf("snakepos from player = %f %f \n", snakepos.x, snakepos.y);
AhmedPlaymaker 13:9785f2404045 88 }
AhmedPlaymaker 13:9785f2404045 89
AhmedPlaymaker 41:4edac50f010d 90 void Snake::update(Direction d, int* b)
AhmedPlaymaker 13:9785f2404045 91 {
AhmedPlaymaker 71:4bd2b27693f3 92 Snake::chainSnakeTogether(b);
AhmedPlaymaker 71:4bd2b27693f3 93
AhmedPlaymaker 71:4bd2b27693f3 94 Snake::mooveSnake(d, b);
AhmedPlaymaker 63:205f0ca48473 95
AhmedPlaymaker 71:4bd2b27693f3 96 Snake::_setSnakeLimits();
AhmedPlaymaker 71:4bd2b27693f3 97 }
AhmedPlaymaker 71:4bd2b27693f3 98
AhmedPlaymaker 71:4bd2b27693f3 99 void Snake::chainSnakeTogether(int* b)
AhmedPlaymaker 71:4bd2b27693f3 100 {
AhmedPlaymaker 25:e827f1a8fadc 101 //this makes all of the snake beeds chained together by making the lower ones drag towards where the top one was in the previous loop
AhmedPlaymaker 43:233f93860d08 102 //the b[i] makes sure that the snake beed doesn't move if that beed is deactivated by colliding with a barrier. b[i] also signifies the specific beed number by i.
AhmedPlaymaker 79:35cb65c52d25 103 for(int i=1; i<=9; i++) {
AhmedPlaymaker 71:4bd2b27693f3 104 if((_length > i)&&(_x[i-1] != _x[i])) {
AhmedPlaymaker 71:4bd2b27693f3 105 if ((_x[i-1] > _x[i])&&(b[i] == 1)&&(b[i-1] == 1)) {
AhmedPlaymaker 71:4bd2b27693f3 106 _x[i-1]-=_speed;
AhmedPlaymaker 8:890b986b16a4 107 }
AhmedPlaymaker 71:4bd2b27693f3 108 if ((_x[i-1] < _x[i])&&(b[i] == 1)&&(b[i-1] == 1)) {
AhmedPlaymaker 71:4bd2b27693f3 109 _x[i-1]+=_speed;
AhmedPlaymaker 22:ee698f66146f 110 }
AhmedPlaymaker 21:e41126528cc6 111 }
AhmedPlaymaker 21:e41126528cc6 112 }
AhmedPlaymaker 71:4bd2b27693f3 113 }
AhmedPlaymaker 71:4bd2b27693f3 114
AhmedPlaymaker 71:4bd2b27693f3 115 void Snake::mooveSnake(Direction d, int* b)
AhmedPlaymaker 71:4bd2b27693f3 116 {
AhmedPlaymaker 63:205f0ca48473 117 //this makes the controls of W/E directions only exclusive to the top beed in the snake
AhmedPlaymaker 79:35cb65c52d25 118 for(int i=0; i<=9; i++) {
AhmedPlaymaker 63:205f0ca48473 119 if((_length == i+1)&&(b[i] == 1)) {
AhmedPlaymaker 63:205f0ca48473 120
AhmedPlaymaker 63:205f0ca48473 121 if (d == E) {
AhmedPlaymaker 63:205f0ca48473 122 _x[i]+= _speed;
AhmedPlaymaker 22:ee698f66146f 123 }
AhmedPlaymaker 63:205f0ca48473 124
AhmedPlaymaker 63:205f0ca48473 125 if (d == W) {
AhmedPlaymaker 63:205f0ca48473 126 _x[i]-= _speed;
AhmedPlaymaker 63:205f0ca48473 127 }
AhmedPlaymaker 63:205f0ca48473 128
AhmedPlaymaker 63:205f0ca48473 129 }
AhmedPlaymaker 7:48ba87cd79b5 130 }
AhmedPlaymaker 71:4bd2b27693f3 131 }
AhmedPlaymaker 7:48ba87cd79b5 132
AhmedPlaymaker 71:4bd2b27693f3 133 void Snake::_setSnakeLimits()
AhmedPlaymaker 71:4bd2b27693f3 134 {
AhmedPlaymaker 71:4bd2b27693f3 135 // the following makes sure that when the length is increased, the snake stays where it was when it ate food.
AhmedPlaymaker 7:48ba87cd79b5 136
AhmedPlaymaker 79:35cb65c52d25 137 for(int i=1; i<=9; i++) {
AhmedPlaymaker 63:205f0ca48473 138
AhmedPlaymaker 79:35cb65c52d25 139 if(_length < (i+1)) {
AhmedPlaymaker 79:35cb65c52d25 140 _x[i] = _x[i-1];
AhmedPlaymaker 63:205f0ca48473 141 }
AhmedPlaymaker 9:d1d79d4ee673 142 }
AhmedPlaymaker 63:205f0ca48473 143
AhmedPlaymaker 25:e827f1a8fadc 144 //Limits set so that the snake does not travel off the screen.
AhmedPlaymaker 79:35cb65c52d25 145 for(int i=0; i<=9; i++) {
AhmedPlaymaker 63:205f0ca48473 146
AhmedPlaymaker 63:205f0ca48473 147 if (_x[i] <= 0) {
AhmedPlaymaker 63:205f0ca48473 148 _x[i] = 0;
AhmedPlaymaker 63:205f0ca48473 149 }
AhmedPlaymaker 63:205f0ca48473 150
AhmedPlaymaker 63:205f0ca48473 151 if (_x[i] > 81) {
AhmedPlaymaker 63:205f0ca48473 152 _x[i] = 81;
AhmedPlaymaker 63:205f0ca48473 153 }
AhmedPlaymaker 8:890b986b16a4 154 }
AhmedPlaymaker 70:7caab8069b9b 155 }