public sprite(Vector2 position_0, Vector2 velocity_0, texture texture_0, Vector2?size_0 = null, float zLevel = 0)
{
center = position_0;
velocity = velocity_0;
texture = texture_0;
z = zLevel;
frameDuration = 0;// since we won't have animation -- it is not animated
if (size_0 == null)
{
//if size_0 is not overriden, use texture size
size = texture.size;
}
updateVertices();
}
public static texture[] LoadTexture(string spritePath, bool transparentColor, Color alphaChan, int stripFrames)
{
List <texture> cache = new List <texture>();
texture t = new texture();
string path = spritePath;
if (String.IsNullOrEmpty(path))
{
throw new ArgumentException(path);
}
System.Drawing.Imaging.PixelFormat pixelForm;
if (IsLinux)
{
pixelForm = System.Drawing.Imaging.PixelFormat.Format32bppArgb;
}
else
{
pixelForm = System.Drawing.Imaging.PixelFormat.Format32bppPArgb;
}
for (int animationFrame = 0; animationFrame < stripFrames; animationFrame++)
{
GL.End();
int id = GL.GenTexture();
t.id = id;
GL.BindTexture(TextureTarget.Texture2D, id);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.Nearest);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Nearest);
using (Bitmap BMP = new Bitmap(path))
{
if (transparentColor)
{
BMP.MakeTransparent(alphaChan);
}
t.size = new Vector2(BMP.Width / stripFrames * Globals.Width, BMP.Height * Globals.Height);
BitmapData bmpData = BMP.LockBits(new Rectangle(0 + animationFrame * (BMP.Width / stripFrames), 0, BMP.Width / stripFrames, BMP.Height), ImageLockMode.ReadOnly, pixelForm);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba, bmpData.Width, bmpData.Height, 0, OpenTK.Graphics.OpenGL.PixelFormat.Bgra, PixelType.UnsignedByte, bmpData.Scan0);
BMP.UnlockBits(bmpData);
}
GL.Disable(EnableCap.Texture2D);
cache.Add(t);
}
return(cache.ToArray());
}
public override void update(double time)
{
this.center.X += this.velocity.X * (float)time; // 60.0f;
this.center.Y += this.velocity.Y * (float)time; // 60.0f;
if (frameDuration > 0) // then it is animated
{
frameTime += (float)time;
if (frameTime >= frameDuration)
{
frameTime = 0;
animationFrame += 1;
if (animationFrame > textures.Length - 1)
{
animationFrame = 0;
}
texture = textures[animationFrame];
}
}
updateVertices();
}
