C#

bool Game::Respond()
{
	// Poll for SDL events
	SDL_Event event;
	while (SDL_PollEvent(&event))
	{
		switch (event.type)
		{
			// Key presses
		case SDL_KEYDOWN:
			switch (event.key.keysym.sym)
			{
				// Arrows
			case SDLK_LEFT:
				this->gLtKey = 1;
				break;
			case SDLK_RIGHT:
				this->gRtKey = 1;
				break;
			case SDLK_UP:
				this->gUpKey = 1;
				break;
			case SDLK_DOWN:
				this->gDnKey = 1;
				break;
				// Press Shift to start running
			case SDLK_LSHIFT:
				this->gRun	 = 1;
				break;
			default:
                break;
			}
			break;

			// Key releases
		case SDL_KEYUP:
			switch (event.key.keysym.sym)
			{
				// Quit key
			case SDLK_ESCAPE:
				exit(0);
				// Arrows
			case SDLK_LEFT:
				this->gLtKey = 0;
				break;
			case SDLK_RIGHT:
				this->gRtKey = 0;
				break;
			case SDLK_UP:
				this->gUpKey = 0;
				break;
			case SDLK_DOWN:
				this->gDnKey = 0;
				break;
			// Release Shift to stop running
			case SDLK_LSHIFT:
				this->gRun	 = 0;
				break;
			default:
                break;
			}
			break;
		case SDL_QUIT:
			exit(0);
		}
	}
}

Windows Calculator told me I will die at 28.

private void OnKeyboardDown(object sender, KeyboardEventArgs e)
{
    // Don't do anything if we can't process input
    if (!canRespond) return;

    switch (e.Key)
    {
        // Arrows
        case Key.LeftArrow:
            this.lKey = true;
            break;
        case Key.RightArrow:
            this.rKey = true;
            break;
        case Key.UpArrow:
            this.uKey = true;
            break;
        case Key.DownArrow:
            this.dKey = true;
            break;

            // Press Shift to start running
        case Key.LeftShift:
            this.running = true;
            break;
    }
}

private void OnKeyboardUp(object sender, KeyboardEventArgs e)
{
    // Don't do anything if we can't process input
    if (!canRespond) return;

    switch (e.Key)
    {
        // Arrows
        case Key.LeftArrow:
            this.lKey = false;
            break;
        case Key.RightArrow:
            this.rKey = false;
            break;
        case Key.UpArrow:
            this.uKey = false;
            break;
        case Key.DownArrow:
            this.dKey = false;
            break;

        // Release Shift to stop running
        case Key.LeftShift:
            this.running = false;
            break;

        // Press Esc to quit
        case Key.Escape:
            On = false;
            break;
    }
}

public void Loop()
{
    while (On)
    {
        float t = 0.0f;
        const float dt = 30;
        float currentTime = 0.0f;
        float accumulator = 0.0f;

        // Get the current time
        float newTime = SdlDotNet.Timer.TicksElapsed;

        float deltaTime = newTime - currentTime;
        currentTime = newTime;

        accumulator += deltaTime;

        while (accumulator >= dt)
        {
            canRespond = true;
            t += dt;
            accumulator -= dt;
        }
        canRespond = false;

        Render();

        // Sleep a bit so we don't use 100% CPU
        Thread.Sleep(10);
    }

    Quit(null, null);
}

Windows Calculator told me I will die at 28.

void Loop()
{
    while (On)
    {
        Render();

        // Sleep a bit so we don't use 100% CPU
        Thread.Sleep(10);
    }

    Quit(null, null);
}

void Render()
{
    if (lKey) mainPlayer.Pos.X -= (int)Game.WALK_SPEED;
    if (rKey) mainPlayer.Pos.X += (int)Game.WALK_SPEED;
    if (uKey) mainPlayer.Pos.Y -= (int)Game.WALK_SPEED;
    if (dKey) mainPlayer.Pos.Y += (int)Game.WALK_SPEED;

    // Check out-of-bounds for x-axis
    if (mainPlayer.Pos.X < 0)
        mainPlayer.Pos.X = 0;
    else if (mainPlayer.Pos.X > Game.SCR_WIDTH - Game.TILE_WIDTH - 1)
        mainPlayer.Pos.X = Game.SCR_WIDTH - Game.TILE_WIDTH - 1;

    // Check out-of-bounds for y-axis
    if (mainPlayer.Pos.Y < 0)
        mainPlayer.Pos.Y = 0;
    else if (mainPlayer.Pos.Y > Game.SCR_HEIGHT - Game.TILE_HEIGHT - 1)
        mainPlayer.Pos.Y = Game.SCR_HEIGHT - Game.TILE_HEIGHT - 1;

    // Place player
    Video.Screen.Blit(mainPlayer.Surf, mainPlayer.Pos);

    // Update whole screen
    Video.Screen.Update();

    return;
}

Windows Calculator told me I will die at 28.

void Loop()
{
    while (On)
    {
        Render();

        Thread.Sleep(1000/20);
    }

    Quit(null, null);
}

Windows Calculator told me I will die at 28.

Lord Kixdemp wrote:

But now in C# they have events, so I can't do that...

md_nada wrote:

i would like to add a computed column in this table

md_nada wrote:

to calculate 2 fields

Regards