// Constructor
public ConsoleRenderer(int xdim, int ydim, ConsolePixel bgPix)
{
this.xdim = xdim;
this.ydim = ydim;
this.bgPix = bgPix;
framePrev = new ConsolePixel[xdim, ydim];
frameNext = new ConsolePixel[xdim, ydim];
for (int y = 0; y < ydim; y++)
{
for (int x = 0; x < xdim; x++)
{
frameNext[x, y] = bgPix;
}
}
}
public ConsoleSprite(ConsolePixel[,] pixels)
{
this.pixels = new Dictionary <Vector2, ConsolePixel>();
for (int x = 0; x < pixels.GetLength(0); x++)
{
for (int y = 0; y < pixels.GetLength(1); y++)
{
ConsolePixel cpixel = pixels[x, y];
if (cpixel.IsRenderable)
{
this.pixels[new Vector2(x, y)] = cpixel;
}
}
}
}
// Renders the actual frame
private void RenderFrame()
{
// Background and foreground colors of each pixel
ConsoleColor fgColor, bgColor;
// Auxiliary frame variable for swapping buffers in the end
ConsolePixel[,] frameAux;
// Show frame in screen
Console.SetCursorPosition(0, 0);
fgColor = Console.ForegroundColor;
bgColor = Console.BackgroundColor;
for (int y = 0; y < ydim; y++)
{
for (int x = 0; x < xdim; x++)
{
// Get current and previous pixels for this position
ConsolePixel pix = frameNext[x, y];
ConsolePixel prevPix = framePrev[x, y];
// Clear pixel at previous frame
framePrev[x, y] = bgPix;
// If current pixel is not renderable, use background pixel
if (!pix.IsRenderable)
{
pix = bgPix;
}
// If current pixel is the same as previous pixel, don't
// draw it
if (pix.Equals(prevPix))
{
continue;
}
// Do we have to change the background and foreground
// colors for this pixel?
if (!pix.backgroundColor.Equals(bgColor))
{
bgColor = pix.backgroundColor;
Console.BackgroundColor = bgColor;
}
if (!pix.foregroundColor.Equals(fgColor))
{
fgColor = pix.foregroundColor;
Console.ForegroundColor = fgColor;
}
// Position cursor
Console.SetCursorPosition(x, y);
// Render pixel
Console.Write(pix.shape);
}
// New line
Console.WriteLine();
}
// Swap frame buffers
frameAux = frameNext;
frameNext = framePrev;
framePrev = frameAux;
}
