public override void Update(TimeSpan elapsed)
{
base.Update(elapsed);
mSecondsSinceUpdate += (float)elapsed.TotalSeconds;
if (mSecondsSinceUpdate >= SecondsPerFrame)
{
mSecondsSinceUpdate -= SecondsPerFrame;
mFlipImage = (mFlipImage == GsImageFlip.None) ? GsImageFlip.Horizontal : GsImageFlip.None;
}
}
public override void Update(TimeSpan elapsed)
{
this.UpdateTimeToLive(elapsed);
mSecondsSinceUpdate += (float)elapsed.TotalSeconds;
if (mSecondsSinceUpdate >= SecondsPerFrame)
{
mSecondsSinceUpdate -= SecondsPerFrame;
effects = (effects == GsImageFlip.None ? GsImageFlip.Horizontal : GsImageFlip.None);
}
}
public static SpriteEffects ToSpriteEffects(this GsImageFlip flip)
{
switch (flip)
{
case GsImageFlip.Both:
return(SpriteEffects.FlipBoth);
case GsImageFlip.Horizontal:
return(SpriteEffects.FlipHorizontally);
case GsImageFlip.Vertical:
return(SpriteEffects.FlipVertically);
}
return(SpriteEffects.None);
}
public void DrawImage(GsImage image, GsRectangle dest, GsRectangle?source, GsVector origin, float angle, GsImageFlip flip, GsColor tint)
{
DrawSprite(image.Data as TextureData, dest, source, origin, angle, flip, tint);
}
private void DrawSprite(TextureData data, GsRectangle dst, GsRectangle?source, GsVector origin, float rotation, GsImageFlip flip, GsColor color)
{
if (color.A <= 0)
{
return;
}
GsSize texSize = new GsSize(data.Bitmap.Width, data.Bitmap.Height);
GsRectangle src = source.GetValueOrDefault(
new GsRectangle(GsVector.Zero, texSize));
using (data.Bind())
{
GL.Color4(color.R, color.G, color.B, color.A);
// Setup the matrix
GL.PushMatrix();
if ((dst.X != 0) || (dst.Y != 0))
{
GL.Translate(dst.X, dst.Y, 0f);
}
if (rotation != 0)
{
GL.Rotate(MathHelper.RadiansToDegrees(rotation), 0, 0, 1);
}
if ((dst.Width != 0 && origin.X != 0) || (dst.Height != 0 && origin.Y != 0))
{
GL.Translate(
-origin.X * (float)dst.Width / (float)src.Width,
-origin.Y * (float)dst.Height / (float)src.Height, 0f);
}
// Calculate the points on the texture
float x = src.X / texSize.Width;
float y = src.Y / texSize.Height;
float twidth = src.Width / texSize.Width;
float theight = src.Height / texSize.Height;
Vector2[] tx = new Vector2[]
{
new Vector2(x, y + theight),
new Vector2(x + twidth, y + theight),
new Vector2(x + twidth, y),
new Vector2(x, y),
};
var tcs = texCoords[flip];
int t = 0;
GL.Begin(PrimitiveType.Quads);
GL.TexCoord2(tx[tcs[t++]]);
GL.Vertex2(0f, dst.Height);
GL.TexCoord2(tx[tcs[t++]]);
GL.Vertex2(dst.Width, dst.Height);
GL.TexCoord2(tx[tcs[t++]]);
GL.Vertex2(dst.Width, 0f);
GL.TexCoord2(tx[tcs[t++]]);
GL.Vertex2(0f, 0f);
GL.End();
GL.PopMatrix();
}
}
public void DrawImage(GsImage image, GsRectangle dest, GsRectangle?source, GsVector origin, float angle, GsImageFlip flip, GsColor tint)
{
SwitchMode(Mode.Sprites);
Rectangle?src = null;
if (source.HasValue)
{
var s = source.Value;
src = new Rectangle((int)s.X, (int)s.Y, (int)s.Width, (int)s.Height);
}
var dst = new RectangleF(dest.X, dest.Y, dest.Width, dest.Height);
spriteBatch.Draw(image.Data as Texture2D,
dst, src, tint.ToColor(), angle, new Vector2(origin.X, origin.Y), flip.ToSpriteEffects(), 0f);
}
public static void DrawImage(this IGsGraphics graphics, ImageParams data, GsColor color, GsVector offset, float rotation, GsImageFlip flip)
{
var size = data.ImageSize.ToVector() * data.Scale;
var dest = new GsRectangle(data.Position + offset, size.ToSize());
graphics.DrawImage(data.Image, dest, null, data.Origin, rotation, flip, color);
}
