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Dependencies:   mbed

Snake/Snake.cpp@21:e8d66c5f68cc, 2020-06-05 (annotated)

Committer:
Psy1990
Date:
Fri Jun 05 22:57:33 2020 +0000
Revision:
21:e8d66c5f68cc
Parent:
14:8d12bc972cb1 
Final Submission. I have read and agreed with Statement of Academic Integrity.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Psy1990 8:32825d724856 1 #include "Snake.h"
Psy1990 8:32825d724856 2
Psy1990 8:32825d724856 3 // nothing doing in the constructor and destructor
Psy1990 8:32825d724856 4 Snake::Snake()
Psy1990 8:32825d724856 5 {
Psy1990 8:32825d724856 6
Psy1990 8:32825d724856 7 }
Psy1990 8:32825d724856 8
Psy1990 8:32825d724856 9 Snake::~Snake()
Psy1990 8:32825d724856 10 {
Psy1990 8:32825d724856 11
Psy1990 8:32825d724856 12 }
Psy1990 8:32825d724856 13
Psy1990 13:c20acb3b1adf 14 void Snake::init(int x,int y, int score, int speed, int snakeheight, int snakewidth) //Initial values for the snake
Psy1990 8:32825d724856 15 {
Psy1990 10:3e37b58e8600 16 _x = WIDTH/2; // Sets the position to be in the middle of the screen
Psy1990 9:25597bc0cecc 17 _y = HEIGHT/2;
Psy1990 14:8d12bc972cb1 18 _score = score;
Psy1990 10:3e37b58e8600 19 _speed = speed; // The value that holds the speed of the snake
Psy1990 13:c20acb3b1adf 20 _snakewidth = snakewidth;
Psy1990 13:c20acb3b1adf 21 _snakeheight = snakeheight;
Psy1990 10:3e37b58e8600 22
Psy1990 8:32825d724856 23
Psy1990 8:32825d724856 24 }
Psy1990 8:32825d724856 25
Psy1990 8:32825d724856 26 void Snake::draw(N5110 &lcd)
Psy1990 8:32825d724856 27 {
Psy1990 10:3e37b58e8600 28
Psy1990 8:32825d724856 29 // draw Snake in screen buffer.
Psy1990 13:c20acb3b1adf 30 lcd.drawRect(_x,_y,_snakewidth,_snakeheight,FILL_BLACK); // Draws the initial snake head is a 5x5 Square matches well with the cirlce of the apple when set to 2
Psy1990 8:32825d724856 31
Psy1990 8:32825d724856 32 }
Psy1990 8:32825d724856 33
Psy1990 10:3e37b58e8600 34
Psy1990 10:3e37b58e8600 35 void Snake::update(Direction d,float mag)
Psy1990 10:3e37b58e8600 36 {
Psy1990 10:3e37b58e8600 37
Psy1990 10:3e37b58e8600 38 _x += _move.x; //Needed to move in the x-axis
Psy1990 10:3e37b58e8600 39 _y += _move.y; //Needed to move in the y-axis
Psy1990 10:3e37b58e8600 40 _speed = int(mag*1.5f); // Sets the scaling for the speed the snake moves, by adjusting this you can change the speed of the snake.
Psy1990 10:3e37b58e8600 41
Psy1990 10:3e37b58e8600 42 //When moving the thubstick this is read by the game and controls the movement of the snake,
Psy1990 10:3e37b58e8600 43 //moving it a small ammount will make the snake move slowly holding down for too long and your snake will get some speed!
Psy1990 10:3e37b58e8600 44 if (d == N){
Psy1990 10:3e37b58e8600 45 _move.y -=_speed; // Snake Moves Up
Psy1990 10:3e37b58e8600 46 _move.x = 0; // Makes it so the snake can only go in compass directions (N,E,S,W) same for all directions
Psy1990 10:3e37b58e8600 47 }
Psy1990 10:3e37b58e8600 48 if (d == S){
Psy1990 10:3e37b58e8600 49 _move.y +=_speed; // Snake moves Down
Psy1990 10:3e37b58e8600 50 _move.x = 0;
Psy1990 10:3e37b58e8600 51 }
Psy1990 10:3e37b58e8600 52 if (d == E){
Psy1990 10:3e37b58e8600 53 _move.y = 0;
Psy1990 10:3e37b58e8600 54 _move.x +=_speed; // Snake moves right
Psy1990 10:3e37b58e8600 55 }
Psy1990 10:3e37b58e8600 56 if (d == W){
Psy1990 10:3e37b58e8600 57 _move.y = 0;
Psy1990 10:3e37b58e8600 58 _move.x -=_speed; // Snake moves Left
Psy1990 10:3e37b58e8600 59 }
Psy1990 10:3e37b58e8600 60
Psy1990 12:8eb40a18f15d 61
Psy1990 12:8eb40a18f15d 62 /* Deadly Wall turned on
Psy1990 12:8eb40a18f15d 63
Psy1990 12:8eb40a18f15d 64 //Uncomment this and comment the section in SnakeEngine.cpp if you want the snake to not die when he touches the edges as this will keep
Psy1990 12:8eb40a18f15d 65 //him in safely in the game area
Psy1990 12:8eb40a18f15d 66
Psy1990 12:8eb40a18f15d 67
Psy1990 11:ba20e1b516a1 68 // Check that the Snakes coordinates aren't greater the the size of the screen which
Psy1990 11:ba20e1b516a1 69 // would mean the snake has gone off the screen
Psy1990 11:ba20e1b516a1 70 if (_x>=(WIDTH-6)) { // 5 pixles for snake and 1 pixle for border
Psy1990 11:ba20e1b516a1 71 _x=(WIDTH-6);
Psy1990 11:ba20e1b516a1 72 }
Psy1990 11:ba20e1b516a1 73 if (_x<=1) { // 1 pixle offset due to border
Psy1990 11:ba20e1b516a1 74 _x = 1;
Psy1990 11:ba20e1b516a1 75 }
Psy1990 11:ba20e1b516a1 76 if (_y >=(HEIGHT-6)) { // 5 pixles for snake and 1 pixle for border
Psy1990 11:ba20e1b516a1 77 _y=(HEIGHT-6);
Psy1990 11:ba20e1b516a1 78 }
Psy1990 14:8d12bc972cb1 79 if (_y<=9) { // Checks that its in the game area as there is a line (8 pixels missing due to scoredisplay and 1 pixle due to border)
Psy1990 11:ba20e1b516a1 80 _y=9;
Psy1990 11:ba20e1b516a1 81 }
Psy1990 12:8eb40a18f15d 82
Psy1990 12:8eb40a18f15d 83 // End of Save wall Section */
Psy1990 12:8eb40a18f15d 84
Psy1990 12:8eb40a18f15d 85
Psy1990 10:3e37b58e8600 86 }
Psy1990 10:3e37b58e8600 87
Psy1990 10:3e37b58e8600 88 void Snake::add_score() // Not in use yet but will add to score when apple is ate by the snake
Psy1990 8:32825d724856 89 {
Psy1990 8:32825d724856 90 _score++;
Psy1990 8:32825d724856 91 }
Psy1990 10:3e37b58e8600 92 int Snake::get_score() //Allows the game to get the value of the score
Psy1990 8:32825d724856 93 {
Psy1990 8:32825d724856 94 return _score;
Psy1990 8:32825d724856 95 }
Psy1990 8:32825d724856 96
Psy1990 10:3e37b58e8600 97 Vector2D Snake::get_move() { // Allows the game to see the value stored in the movement(m) which shows how fast the snake will move
Psy1990 10:3e37b58e8600 98
Psy1990 10:3e37b58e8600 99 Vector2D m = {_move.x, _move.y};
Psy1990 10:3e37b58e8600 100 return m;
Psy1990 10:3e37b58e8600 101 }
Psy1990 8:32825d724856 102
Psy1990 10:3e37b58e8600 103
Psy1990 10:3e37b58e8600 104 Vector2D Snake::get_pos() { //Gets the position of the snake this will be used for collision detection soon
Psy1990 13:c20acb3b1adf 105 Vector2D p = {_x,_y};
Psy1990 13:c20acb3b1adf 106 return p;
Psy1990 8:32825d724856 107 }