// /////////////////////////////////////////////////////////////////////////////////
// /////////////////////////////////////////////////////////////////////////////////
/// <summary>
/// Construct a Pigment given foreground and background colors and background flag.
/// </summary>
public Pigment(long foreground, long background, TCODBackgroundFlag bgFlag)
: this(new Color(foreground), new Color(background), bgFlag)
{
}
/// <summary>
/// Returns a new Pigment by replacing the background flag. This isntance remains
/// unchanged.
/// </summary>
/// <param name="newBGFlag"></param>
/// <returns></returns>
public Pigment ReplaceBGFlag(TCODBackgroundFlag newBGFlag)
{
return(new Pigment(Foreground, Background, newBGFlag));
}
// /////////////////////////////////////////////////////////////////////////////////
/// <summary>
/// Construct a Pigment given foreground and background colors and background flag
/// </summary>
/// <param name="foreground"></param>
/// <param name="background"></param>
/// <param name="bgFlag"></param>
public Pigment(Color foreground, Color background, TCODBackgroundFlag bgFlag)
{
fgColor = foreground;
bgColor = background;
this.bgFlag = bgFlag;
}
/// <summary>
/// Returns a new Pigment by replacing the background flag. This isntance remains
/// unchanged.
/// </summary>
/// <param name="newBGFlag"></param>
/// <returns></returns>
public Pigment ReplaceBGFlag(TCODBackgroundFlag newBGFlag)
{
return new Pigment(Foreground, Background, newBGFlag);
}
// /////////////////////////////////////////////////////////////////////////////////
// /////////////////////////////////////////////////////////////////////////////////
/// <summary>
/// Construct a Pigment given foreground and background colors and background flag.
/// </summary>
public Pigment(long foreground, long background, TCODBackgroundFlag bgFlag)
: this(new Color(foreground), new Color(background), bgFlag)
{
}
// /////////////////////////////////////////////////////////////////////////////////
/// <summary>
/// Construct a Pigment given foreground and background colors and background flag
/// </summary>
/// <param name="foreground"></param>
/// <param name="background"></param>
/// <param name="bgFlag"></param>
public Pigment(Color foreground, Color background, TCODBackgroundFlag bgFlag)
{
fgColor = foreground;
bgColor = background;
this.bgFlag = bgFlag;
}
void render_lines(bool first, TCODKey key)
{
sampleConsole.clear();
if (key.KeyCode == TCODKeyCode.Enter || key.KeyCode == TCODKeyCode.KeypadEnter)
{
// switch to the next blending mode
if (libtcod.libtcod.TCODBackgroundAlphaMask(line_bkFlag) == TCODBackgroundFlag.Alpha)
line_bkFlag = TCODBackgroundFlag.None;
else
line_bkFlag++;
}
if (libtcod.libtcod.TCODBackgroundAlphaMask(line_bkFlag) == TCODBackgroundFlag.Alpha)
{
// for the alpha mode, update alpha every frame
double alpha = (1.0f + Math.Cos(TCODSystem.getElapsedSeconds() * 2)) / 2.0f;
line_bkFlag = TCODCBackgroundHelpers.CreateAlphaBackground((float)alpha);
}
else if (libtcod.libtcod.TCODBackgroundAlphaMask(line_bkFlag) == TCODBackgroundFlag.AddAlpha)
{
// for the add alpha mode, update alpha every frame
double alpha = (1.0f + Math.Cos(TCODSystem.getElapsedSeconds() * 2)) / 2.0f;
line_bkFlag = TCODCBackgroundHelpers.CreateAddAlphaBackground((float)alpha);
}
if (!line_init)
{
// initialize the colored background
for (int x = 0; x < SAMPLE_SCREEN_WIDTH; x++)
{
for (int y = 0; y < SAMPLE_SCREEN_HEIGHT; y++)
{
TCODColor col = new TCODColor((byte)(x * 255 / (SAMPLE_SCREEN_WIDTH - 1)),
(byte)((x + y) * 255 / (SAMPLE_SCREEN_WIDTH - 1 + SAMPLE_SCREEN_HEIGHT - 1)),
(byte)(y * 255 / (SAMPLE_SCREEN_HEIGHT - 1)));
line_bk.setCharBackground(x, y, col, TCODBackgroundFlag.Set);
}
}
line_init = true;
}
if (first)
{
TCODSystem.setFps(30); // fps limited to 30
sampleConsole.setForegroundColor(TCODColor.white);
}
// blit the background
TCODConsole.blit(line_bk, 0, 0, SAMPLE_SCREEN_WIDTH, SAMPLE_SCREEN_HEIGHT, sampleConsole, 0, 0);
// render the gradient
int recty = (int)((SAMPLE_SCREEN_HEIGHT - 2) * ((1.0f + Math.Cos(TCODSystem.getElapsedSeconds())) / 2.0f));
for (int x = 0; x < SAMPLE_SCREEN_WIDTH; x++)
{
TCODColor col = new TCODColor((byte)(x * 255 / SAMPLE_SCREEN_WIDTH),
(byte)(x * 255 / SAMPLE_SCREEN_WIDTH),
(byte)(x * 255 / SAMPLE_SCREEN_WIDTH));
sampleConsole.setCharBackground(x, recty, col, line_bkFlag);
sampleConsole.setCharBackground(x, recty + 1, col, line_bkFlag);
sampleConsole.setCharBackground(x, recty + 2, col, line_bkFlag);
}
// calculate the segment ends
float angle = TCODSystem.getElapsedSeconds() * 2.0f;
float cosAngle = (float)Math.Cos(angle);
float sinAngle = (float)Math.Sin(angle);
int xo = (int)(SAMPLE_SCREEN_WIDTH / 2 * (1 + cosAngle));
int yo = (int)(SAMPLE_SCREEN_HEIGHT / 2 + sinAngle * SAMPLE_SCREEN_WIDTH / 2);
int xd = (int)(SAMPLE_SCREEN_WIDTH / 2 * (1 - cosAngle));
int yd = (int)(SAMPLE_SCREEN_HEIGHT / 2 - sinAngle * SAMPLE_SCREEN_WIDTH / 2);
// render the line
int xx = xo, yy = yo;
TCODLine.init(xx, yy, xd, yd);
do
{
if (xx >= 0 && yy >= 0 && xx < SAMPLE_SCREEN_WIDTH && yy < SAMPLE_SCREEN_HEIGHT)
{
sampleConsole.setCharBackground(xx, yy, TCODColor.blue, line_bkFlag);
}
}
while (!TCODLine.step(ref xx, ref yy));
// print the current flag
sampleConsole.print(2, 2, libtcod.libtcod.TCODBackgroundAlphaMask(line_bkFlag).ToString() + " (ENTER to change)");
}
