private void CheckCollisions(Rectangle rect, MovementHandler mvh, int nIndex)
{
int nMidX = this.Width / 2, nMidY = this.Height / 2;
if ((rect.X < 30) ||
(rect.Y < 30) ||
(rect.TopRight().X > this.Width - 100) ||
(rect.Bottom > this.Height - 100))
{
mvh.ImposeTurn(Math.Atan2(nMidY - mvh.Y, nMidX - mvh.X) * 180 / Math.PI);
}
else
{
/* 1 2 *
* *
* *
* *
* 4 3 *
*/
int nFirstIndex = this.m_bmpDetector.GetPixel(rect.Location.X,
rect.Location.Y).R;
int nSecondIndex = this.m_bmpDetector.GetPixel(rect.TopRight().X,
rect.TopRight().Y).R;
int nThirdIndex = this.m_bmpDetector.GetPixel(rect.BottomRight().X,
rect.BottomRight().Y).R;
int nFourthIndex = this.m_bmpDetector.GetPixel(rect.BottomLeft().X,
rect.BottomLeft().Y).R;
if (nFirstIndex != 255)
{
mvh.ImposeTurn(Math.Atan2(rect.Y - (((MovementHandler)this.m_lstItems[nFirstIndex][2]).Y),
rect.X - (((MovementHandler)this.m_lstItems[nFirstIndex][2]).X)) *
180 / Math.PI);
}
else if (nSecondIndex != 255)
{
mvh.ImposeTurn(Math.Atan2(rect.Y - (((MovementHandler)this.m_lstItems[nSecondIndex][2]).Y),
rect.X - (((MovementHandler)this.m_lstItems[nSecondIndex][2]).X)) *
180 / Math.PI);
}
else if (nThirdIndex != 255)
{
mvh.ImposeTurn(Math.Atan2(rect.Y - (((MovementHandler)this.m_lstItems[nThirdIndex][2]).Y),
rect.X - (((MovementHandler)this.m_lstItems[nThirdIndex][2]).X)) *
180 / Math.PI);
}
else if (nFourthIndex != 255)
{
mvh.ImposeTurn(Math.Atan2(rect.Y - (((MovementHandler)this.m_lstItems[nFourthIndex][2]).Y),
rect.X - (((MovementHandler)this.m_lstItems[nFourthIndex][2]).X)) *
180 / Math.PI);
}
}
}
public void AddFSItem(FileSystemItem fsiItem)
{
const int SPEED = 1;
Image img = CreateItemIcon(fsiItem);
Point pLoc =
new Point(this.m_rRand.Next(0, this.Width - img.Width - 10),
this.m_rRand.Next(0, this.Height - img.Height - 10));
MovementHandler mvh =
new MovementHandler(this.m_rRand.Next(360), SPEED, 12, pLoc);
this.m_lstItems.Add(new object[] { fsiItem, img, mvh });
fsiItem.ContainingViewer = this;
this.m_dictObjects.Add(fsiItem.Name, this.m_lstItems.Count - 1);
}
private void HaveFun()
{
const int WAIT_TIME = 20;
Graphics g = this.CreateGraphics();
Graphics gDetect = Graphics.FromImage(this.m_bmpDetector);
gDetect.Clear(Color.White);
while (this.Visible)
{
object[] arrObjs;
Rectangle rect, rectNew;
for (int i = 0; i < this.m_lstItems.Count; i++)
{
arrObjs = this.m_lstItems[i];
MovementHandler mvh = (MovementHandler)arrObjs[2];
Image img = (Image)arrObjs[1];
int oldx = mvh.X, oldy = mvh.Y;
rect = new Rectangle(mvh.X, mvh.Y, img.Width, img.Height);
//g.FillRectangle(new SolidBrush(this.BackColor), rect);
gDetect.FillRectangle(Brushes.White, rect);
mvh.Ping();
Bitmap bmp = new Bitmap(img.Width + Math.Abs(oldx - mvh.X),
img.Height + Math.Abs(oldy - mvh.Y));
Graphics gBmp = Graphics.FromImage(bmp);
gBmp.Clear(this.BackColor);
gBmp.DrawImage(img, Math.Max(0, Math.Abs(mvh.X - oldx)),
Math.Max(0, Math.Abs(mvh.Y - oldy)));
rectNew = new Rectangle(mvh.X, mvh.Y, img.Width, img.Height);
if (mvh.Collides)
{
CheckCollisions(rectNew, mvh, i);
}
gDetect.FillRectangle(new SolidBrush(Color.FromArgb(i, i, i)),
rectNew);
//g.DrawImage(img, mvh.X, mvh.Y);
g.DrawImage(bmp, Math.Min(oldx, mvh.X), Math.Min(oldy, mvh.Y));
}
System.Threading.Thread.Sleep(WAIT_TIME);
}
}
