public void Update(GameEngine engine, LinkedList <SnakeChain> snake)
{
lastX = x;
lastY = y;
lastVector = vector;
if (Input.IsKeyDown(Keys.LEFT) && vector != SnakeChainVector.Right)
{
x -= engine.GetPixel();
vector = SnakeChainVector.Left;
}
else if (Input.IsKeyDown(Keys.RIGHT) && vector != SnakeChainVector.Left)
{
x += engine.GetPixel();
vector = SnakeChainVector.Right;
}
else if (Input.IsKeyDown(Keys.UP) && vector != SnakeChainVector.Down)
{
y -= engine.GetPixel();
vector = SnakeChainVector.Up;
}
else if (Input.IsKeyDown(Keys.DOWN) && vector != SnakeChainVector.Up)
{
y += engine.GetPixel();
vector = SnakeChainVector.Down;
}
else
{
SnakeChainVector checkedVector;
if (isFirst == true)
{
checkedVector = vector;
}
else
{
checkedVector = lastVector;
}
switch (checkedVector)
{
case SnakeChainVector.Left:
x -= engine.GetPixel();
break;
case SnakeChainVector.Right:
x += engine.GetPixel();
break;
case SnakeChainVector.Up:
y -= engine.GetPixel();
break;
case SnakeChainVector.Down:
y += engine.GetPixel();
break;
}
}
}
public void SetVector(SnakeChainVector newVector)
{
vector = newVector;
}
