Example 3: Source Rectangle

10MB

2020-06-06 22-12-58.mp4

Open

result.mp4

boy.png

using System;
using odl;

namespace TestNamespace
{
    class Program
    {
        public static void Main(string[] args)
        {
            Graphics.Start();

            Window win = new Window();
            win.Initialize(true, true);

            Viewport vp = new Viewport(0, 0, win.Width, win.Height);

            Sprite s = new Sprite(vp);
            s.Bitmap = new Bitmap("boy");
            s.SrcRect.Width = s.Bitmap.Width / 4;
            s.SrcRect.Height = s.Bitmap.Height / 4;

            int dir = 0;
            int frame = 0;

            win.Show();

            while (Graphics.CanUpdate())
            {
                if (Input.Press(SDL2.SDL.SDL_Keycode.SDLK_DOWN))
                {
                    dir = 0;
                    s.Y += 3;
                    frame++;
                }
                else if (Input.Press(SDL2.SDL.SDL_Keycode.SDLK_LEFT))
                {
                    dir = 1;
                    s.X -= 3;
                    frame++;
                }
                else if (Input.Press(SDL2.SDL.SDL_Keycode.SDLK_RIGHT))
                {
                    dir = 2;
                    s.X += 3;
                    frame++;
                }
                else if (Input.Press(SDL2.SDL.SDL_Keycode.SDLK_UP))
                {
                    dir = 3;
                    s.Y -= 3;
                    frame++;
                }
                else
                {
                    frame = 0;
                }
                dir %= 4;
                s.SrcRect.X = ((frame / 10) % 4) * s.SrcRect.Width;
                s.SrcRect.Y = dir * s.SrcRect.Height;
                Graphics.Update();
            }

            if (!vp.Disposed) vp.Dispose();

            Graphics.Stop();
        }
    }
}