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Dependencies:   mbed

snake_engine/snake_engine.cpp@15:47ea86f1ed70, 2018-05-07 (annotated)

Committer:
weiway
Date:
Mon May 07 11:57:22 2018 +0000
Revision:
15:47ea86f1ed70
Parent:
13:4026781772cb
Child:
17:7c8cf5f7878c
the game runs well but the fruit reborn outside of the screen. and the snake would not die even if hit the wall

Who changed what in which revision?

UserRevisionLine numberNew contents of line
weiway 13:4026781772cb 1 #include "snake_engine.h"
weiway 12:d45bc5d878ad 2
weiway 12:d45bc5d878ad 3 snake_engine::snake_engine()
weiway 12:d45bc5d878ad 4 {
weiway 15:47ea86f1ed70 5
weiway 12:d45bc5d878ad 6 }
weiway 12:d45bc5d878ad 7
weiway 12:d45bc5d878ad 8 snake_engine::~snake_engine()
weiway 12:d45bc5d878ad 9 {
weiway 12:d45bc5d878ad 10 }
weiway 12:d45bc5d878ad 11
weiway 13:4026781772cb 12 void snake_engine::init()
weiway 12:d45bc5d878ad 13 {
weiway 12:d45bc5d878ad 14 s.init();
weiway 12:d45bc5d878ad 15
weiway 12:d45bc5d878ad 16 }
weiway 12:d45bc5d878ad 17
weiway 13:4026781772cb 18 void snake_engine::draw(N5110 &lcd)
weiway 12:d45bc5d878ad 19 {
weiway 12:d45bc5d878ad 20 lcd.refresh();
weiway 12:d45bc5d878ad 21 lcd.clear();
weiway 12:d45bc5d878ad 22 lcd.drawRect(0,8,WIDTH ,HEIGHT -8,FILL_TRANSPARENT);
weiway 12:d45bc5d878ad 23
weiway 12:d45bc5d878ad 24 s.draw(lcd);
weiway 12:d45bc5d878ad 25 f.draw(lcd);
weiway 15:47ea86f1ed70 26 printpoint(lcd);
weiway 12:d45bc5d878ad 27 }
weiway 12:d45bc5d878ad 28
weiway 15:47ea86f1ed70 29
weiway 13:4026781772cb 30 void snake_engine::update(Gamepad &pad, N5110 &lcd)
weiway 12:d45bc5d878ad 31 {
weiway 12:d45bc5d878ad 32 s.update(_d,_mag);
weiway 15:47ea86f1ed70 33
weiway 12:d45bc5d878ad 34
weiway 15:47ea86f1ed70 35 if(getfruit(pad)) {
weiway 15:47ea86f1ed70 36 f.reborn();
weiway 15:47ea86f1ed70 37 s.point();
weiway 15:47ea86f1ed70 38
weiway 12:d45bc5d878ad 39 }
weiway 12:d45bc5d878ad 40 }
weiway 12:d45bc5d878ad 41
weiway 12:d45bc5d878ad 42
weiway 13:4026781772cb 43 void snake_engine::read_input(Gamepad &pad)
weiway 13:4026781772cb 44 {
weiway 13:4026781772cb 45 _d = pad.get_direction();
weiway 13:4026781772cb 46 _mag = pad.get_mag();
weiway 13:4026781772cb 47 }
weiway 12:d45bc5d878ad 48
weiway 12:d45bc5d878ad 49
weiway 15:47ea86f1ed70 50 bool snake_engine::getfruit(Gamepad &pad)
weiway 15:47ea86f1ed70 51 {
weiway 15:47ea86f1ed70 52 Vector2D _f_pos = f.get_pos();
weiway 15:47ea86f1ed70 53 Vector2D _s_pos = s.get_pos();
weiway 15:47ea86f1ed70 54
weiway 15:47ea86f1ed70 55 if ((_f_pos.y >= _s_pos.y || _f_pos.y == _s_pos.y-1) &&
weiway 15:47ea86f1ed70 56 (_f_pos.y <= _s_pos.y || _f_pos.y+1 == _s_pos.y-1) &&
weiway 15:47ea86f1ed70 57 (_f_pos.x >= _s_pos.x || _f_pos.x+1 >= _s_pos.x || _f_pos.x+1 >= _s_pos.x ) &&
weiway 15:47ea86f1ed70 58 (_f_pos.x <= _s_pos.x || _f_pos.x+1 <= _s_pos.x)) {
weiway 15:47ea86f1ed70 59
weiway 15:47ea86f1ed70 60 return true;
weiway 15:47ea86f1ed70 61 } else {
weiway 15:47ea86f1ed70 62 return false;
weiway 15:47ea86f1ed70 63 }
weiway 15:47ea86f1ed70 64 }
weiway 15:47ea86f1ed70 65
weiway 15:47ea86f1ed70 66
weiway 15:47ea86f1ed70 67
weiway 15:47ea86f1ed70 68 void snake_engine::printpoint(N5110 &lcd)
weiway 15:47ea86f1ed70 69 {
weiway 15:47ea86f1ed70 70 int snakepoint = s.get_point();
weiway 15:47ea86f1ed70 71 char buffer[14];
weiway 15:47ea86f1ed70 72 sprintf(buffer,"%2d",snakepoint);
weiway 15:47ea86f1ed70 73 lcd.printString(buffer,WIDTH/2 - 40,0);
weiway 15:47ea86f1ed70 74 }
weiway 15:47ea86f1ed70 75