ELEC2645 (2019/20)
/
ELEC2645_Project_el18lg
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Dependencies: mbed
Head/Head.cpp@3:beb0cc405b1e, 2020-05-27 (annotated)
- Committer:
- el18lg
- Date:
- Wed May 27 16:14:56 2020 +0000
- Revision:
- 3:beb0cc405b1e
- Child:
- 4:748b3e0062f6
Snake movement;
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| el18lg | 3:beb0cc405b1e | 1 | #include "Head.h" |
| el18lg | 3:beb0cc405b1e | 2 | |
| el18lg | 3:beb0cc405b1e | 3 | // nothing doing in the constructor and destructor |
| el18lg | 3:beb0cc405b1e | 4 | Head::Head() |
| el18lg | 3:beb0cc405b1e | 5 | { |
| el18lg | 3:beb0cc405b1e | 6 | |
| el18lg | 3:beb0cc405b1e | 7 | } |
| el18lg | 3:beb0cc405b1e | 8 | |
| el18lg | 3:beb0cc405b1e | 9 | Head::~Head() |
| el18lg | 3:beb0cc405b1e | 10 | { |
| el18lg | 3:beb0cc405b1e | 11 | |
| el18lg | 3:beb0cc405b1e | 12 | } |
| el18lg | 3:beb0cc405b1e | 13 | |
| el18lg | 3:beb0cc405b1e | 14 | void Head::init(int length, int speed) |
| el18lg | 3:beb0cc405b1e | 15 | { |
| el18lg | 3:beb0cc405b1e | 16 | |
| el18lg | 3:beb0cc405b1e | 17 | _length = length; |
| el18lg | 3:beb0cc405b1e | 18 | _speed = speed; |
| el18lg | 3:beb0cc405b1e | 19 | srand(time(NULL)); |
| el18lg | 3:beb0cc405b1e | 20 | _x = WIDTH/2 - _length/2; // snake spawns in random position |
| el18lg | 3:beb0cc405b1e | 21 | _y = HEIGHT/2 - _length/2; |
| el18lg | 3:beb0cc405b1e | 22 | int direction = N; // set the direction of snake to north |
| el18lg | 3:beb0cc405b1e | 23 | |
| el18lg | 3:beb0cc405b1e | 24 | } |
| el18lg | 3:beb0cc405b1e | 25 | void Head::draw(N5110 &lcd) { |
| el18lg | 3:beb0cc405b1e | 26 | |
| el18lg | 3:beb0cc405b1e | 27 | lcd.drawCircle(_x,_y,_length,FILL_BLACK); |
| el18lg | 3:beb0cc405b1e | 28 | } |
| el18lg | 3:beb0cc405b1e | 29 | |
| el18lg | 3:beb0cc405b1e | 30 | |
| el18lg | 3:beb0cc405b1e | 31 | void Head::update(Direction d) |
| el18lg | 3:beb0cc405b1e | 32 | { |
| el18lg | 3:beb0cc405b1e | 33 | // update y value depending on direction of movement |
| el18lg | 3:beb0cc405b1e | 34 | // North is decrement as origin is at the top-left so decreasing moves up |
| el18lg | 3:beb0cc405b1e | 35 | |
| el18lg | 3:beb0cc405b1e | 36 | if (pad.X_pressed()){ |
| el18lg | 3:beb0cc405b1e | 37 | d == N; |
| el18lg | 3:beb0cc405b1e | 38 | } |
| el18lg | 3:beb0cc405b1e | 39 | if (pad.B_pressed()){ |
| el18lg | 3:beb0cc405b1e | 40 | d == S; |
| el18lg | 3:beb0cc405b1e | 41 | } |
| el18lg | 3:beb0cc405b1e | 42 | if (pad.Y_pressed()){ |
| el18lg | 3:beb0cc405b1e | 43 | d == W; |
| el18lg | 3:beb0cc405b1e | 44 | } |
| el18lg | 3:beb0cc405b1e | 45 | if (pad.A_pressed()){ |
| el18lg | 3:beb0cc405b1e | 46 | d == E; |
| el18lg | 3:beb0cc405b1e | 47 | } |
| el18lg | 3:beb0cc405b1e | 48 | } |
| el18lg | 3:beb0cc405b1e | 49 | |
| el18lg | 3:beb0cc405b1e | 50 | |
| el18lg | 3:beb0cc405b1e | 51 | // The head changes to the new position |
| el18lg | 3:beb0cc405b1e | 52 | |
| el18lg | 3:beb0cc405b1e | 53 | |
| el18lg | 3:beb0cc405b1e | 54 | |
| el18lg | 3:beb0cc405b1e | 55 | Vector2D Head::get_pos() { |
| el18lg | 3:beb0cc405b1e | 56 | Vector2D pos = {_x,_y}; |
| el18lg | 3:beb0cc405b1e | 57 | return pos; |
| el18lg | 3:beb0cc405b1e | 58 | } |