/// <summary>
/// Resets the position of the line.
/// </summary>
/// <param name="r">Random number generator.</param>
/// <param name="matrixCode">Base MatrixCode object.</param>
/// <param name="min">Lowest y coordinate that we can reset to.</param>
private void Reset(Random r, MatrixCode matrixCode, int min = 0)
{
int length = r.Next(3, matrixCode.WINDOW_HEIGHT / 2);
this.Start = -r.Next(min);
this.Middle = this.Start - length;
this.End = this.Middle - length;
}
/// <summary>
/// Performs one tick on the line.
/// </summary>
/// <param name="charGrid">Grid of characters.</param>
/// <param name="matrixCode">Base Matrix Code object.</param>
public void Tick(char[,] charGrid, MatrixCode matrixCode)
{
Start++;
Middle++;
End++;
if (Start < 0)
{
return;
}
if (End >= matrixCode.WINDOW_HEIGHT)
{
Reset(new Random(), matrixCode);
return;
}
if (Start <= matrixCode.WINDOW_HEIGHT)
{
if (Start < matrixCode.WINDOW_HEIGHT)
{
CharUpdateEvent?.Invoke(XPos, Start, charGrid[XPos, Start], matrixCode.CurrentColor.c1);
}
if (Start > 0)
{
CharUpdateEvent?.Invoke(XPos, Start - 1, charGrid[XPos, Start - 1], matrixCode.CurrentColor.c2);
}
}
if (Middle < 0)
{
return;
}
if (Middle < matrixCode.WINDOW_HEIGHT)
{
CharUpdateEvent?.Invoke(XPos, Middle, charGrid[XPos, Middle], matrixCode.CurrentColor.c3);
}
if (End < 0)
{
return;
}
CharUpdateEvent?.Invoke(XPos, End, charGrid[XPos, End], -1);
}
/// <summary>
/// Constructor for a Matrix Line.
/// </summary>
/// <param name="x">X position of the line.</param>
/// <param name="matrixCode">Base MatrixCode object.</param>
/// <param name="r">Random number generator.</param>
public MatrixLine(int x, MatrixCode matrixCode, Random r)
{
this.XPos = x;
Reset(r, matrixCode, matrixCode.WINDOW_HEIGHT);
}