ELEC2645 (2017/18)
/
ll13jrm
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Dependencies: mbed
Snake/Snake.cpp
- Committer:
- JRM1986
- Date:
- 2018-04-03
- Revision:
- 9:561e5681b7a6
- Parent:
- 2:ea90cec2489a
- Child:
- 10:62d8cb7742c3
File content as of revision 9:561e5681b7a6:
#include "Snake.h"
Snake::Snake()
{
}
Snake::~Snake()
{
}
void Snake::update(Direction d)
{
Vector2D values = get_snake_position();
_x = values.x;
_y = values.y;
}
void Snake::set_snake_direction(Direction input)
{
StateDirection sd;
int state = 1;
StateDirection fsm[4] = {
{N,{N,E,N,W}},
{E,{N,E,S,E}},
{S,{S,E,S,W}},
{W,{N,W,S,W}}
};
sd.output = fsm[state].output; // set ouput depending on current state
state = fsm[state].nextState[input]; // read input and update curent state
_direction = sd.output;
//_direction.nextState[state] = input;
}
Direction Snake::get_snake_direction()
{
Direction d = _direction;
return d;
}
void Snake::set_snake_position()
{
Direction v = get_snake_direction();
Vector2D p;
switch(v) {
case(N):
p.x = p.x;
--p.y;
break;
case(E):
++p.x;
p.y = p.y;
break;
case(S):
p.x = p.x;
++p.y;
break;
case(W):
--p.x;
p.y = p.y;
break;
default:
p.x = p.x;
p.y = p.y;
break;
}
_x = p.x;
_y = p.y;
}
Vector2D Snake::get_snake_position()
{
Vector2D pos = {_x, _y};
return pos;
}
/*
void Snake::set_next_dir(Direction next)
{
}
Vector2D Snake::move_snake()
{
Direction pre;
Direction next;
Vector2D i;
switch(pre) {
case(N):
switch(next) {
case(N):
i.x = i.x;
++i.y;
break;
case(E):
++i.x;
i.y = i.y;
break;
case(S):
i.x = i.x;
i.y = i.y;
break;
case(W):
--i.x;
i.y = i.y;
break;
case(CENTRE):
i.x = i.x;
++i.y;
break;
default:
i.x = i.x;
i.y = i.y;
break;
}
break;
case(E):
switch(next) {
case(N):
i.x = i.x;
++i.y;
break;
case(E):
++i.x;
i.y = i.y;
break;
case(S):
i.x = i.x;
i.y = i.y;
break;
case(W):
i.x = i.x;
i.y = i.y;
break;
case(CENTRE):
++i.x;
i.y = i.y;
break;
default:
i.x = i.x;
i.y = i.y;
break;
}
break;
case(S):
switch(next) {
case(N):
i.x = i.x;
i.y = i.y;
break;
case(E):
++i.x;
i.y = i.y;
break;
case(S):
i.x = i.x;
i.y = i.y;
break;
case(W):
--i.x;
i.y = i.y;
break;
case(CENTRE):
i.x = i.x;
--i.y;
break;
default:
i.x = i.x;
i.y = i.y;
break;
}
break;
case(W):
switch(next) {
case(N):
i.x = i.x;
++i.y;
break;
case(E):
i.x = i.x;
i.y = i.y;
break;
case(S):
i.x = i.x;
i.y = i.y;
break;
case(W):
--i.x;
i.y = i.y;
break;
case(CENTRE):
--i.x;
i.y = i.y;
break;
default:
i.x = i.x;
i.y = i.y;
break;
}
break;
}
return i;
}*/