public Flakedata Next()
{
Flakedata ret = new Flakedata();
dX += dSpeed * Math.Cos(dAngle);
dY += dSpeed * Math.Sin(dAngle);
if (dX > szPic.X || dY > szPic.Y)
{
Random r = new Random();
dX = r.Next(-iMaxHMov, szPic.X) - iSize;
dY = -iSize; while (dX < -iSize)
{
dX += dSpeed * Math.Cos(dAngle);
dY += dSpeed * Math.Sin(dAngle);
}
}
iFrame++;
if (iFrame >= iFrameT)
{
iFrame = 0;
}
ret.pt = new Point(
(int)Math.Round(dX),
(int)Math.Round(dY));
ret.sz = iSize;
ret.fr = iFrame;
return(ret);
}
private void go_Click(object sender, EventArgs e)
{
Point n = new Point(
Convert.ToInt32(Amount_min.Text),
Convert.ToInt32(Amount_max.Text));
Point sz = new Point(
Convert.ToInt32(Size_min.Text),
Convert.ToInt32(Size_max.Text));
Point spd = new Point(
Convert.ToInt32(Speed_min.Text),
Convert.ToInt32(Speed_max.Text));
Point ang = new Point(
Convert.ToInt32(Angle_min.Text),
Convert.ToInt32(Angle_max.Text));
Point psz = (Point)bSrc.Size;
int iCnt = rnd.Next(n.X, n.Y);
Snowflake[] flakes = new Snowflake[iCnt];
for (int a = 0; a < flakes.Length; a++)
{
flakes[a] = new Snowflake(
new Point(rnd.Next(0, psz.X), rnd.Next(0, psz.Y)),
psz, rnd.Next(0, gif.im.Length), gif.im.Length,
rnd.Next(sz.X, sz.Y), rnd.Next(ang.X, ang.Y),
rnd.NextDouble() * (spd.Y - spd.X) + spd.X);
}
string s = go.Text;
int iGenCnt = Convert.ToInt32(txtFrames.Text);
for (int a = 0; a < iGenCnt; a++)
{
go.Text = "Frame " + a + " of " + iGenCnt;
Application.DoEvents();
Bitmap bOut = new Bitmap(psz.X, psz.Y);
using (Graphics g = Graphics.FromImage(bOut))
{
g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
g.PixelOffsetMode = System.Drawing.Drawing2D.PixelOffsetMode.HighQuality;
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
g.DrawImage(bSrc, Point.Empty);
for (int b = 0; b < flakes.Length; b++)
{
Flakedata fd = flakes[b].Next();
ColorMatrix matrix = new ColorMatrix();
ImageAttributes attr = new ImageAttributes();
matrix.Matrix20 = 1.2f;
matrix.Matrix21 = 1.3f;
matrix.Matrix12 = 2f;
attr.SetColorMatrix(matrix);
g.DrawImage(gif.im[fd.fr], new Rectangle(fd.pt, new Size(fd.sz, fd.sz)), 0, 0,
gif.im[fd.fr].Width, gif.im[fd.fr].Height, GraphicsUnit.Pixel, attr);
}
}
bOut.Save("sn0w-" + a.ToString("d4") + ".png");
}
go.Text = s;
}