public static void DrawLine(glRenderTarget target,
Vector2 A, Vector2 B, glColor color)
{
int x0 = (int)A.X;
int y0 = (int)A.Y;
int x1 = (int)B.X;
int y1 = (int)B.Y;
var dx = Math.Abs(x1 - x0);
var dy = Math.Abs(y1 - y0);
var sx = (x0 < x1) ? 1 : -1;
var sy = (y0 < y1) ? 1 : -1;
var err = dx - dy;
int scanline_offset = y0 * target.Width;
while (true)
{
if (x0 >= 0 && y0 >= 0
&& x0 < target.Width
&& y0 < target.Height)
{
target.Data[x0 + scanline_offset] = color;
}
if ((x0 == x1) && (y0 == y1))
break;
var e2 = 2 * err;
if (e2 > -dy)
{
err -= dy;
x0 += sx;
}
if (e2 < dx)
{
err += dx;
y0 += sy;
scanline_offset = y0 * target.Width;
}
}
}
public void SetPixel(int x, int y, int z, glColor value)
{
CheckDisposed();
CheckUnLocked();
Data[x + Width * (y + Height * z)] = value;
}
