public Bitmap DrawIt(IFigure figure, Pen pen)
{
_tmpBitmap = (Bitmap)_mainBitmap.Clone();
_graphics = Graphics.FromImage(_tmpBitmap); //графикс рисует на временном битмапе
figure.Painter.DrawFigure(pen, _graphics, figure.GetPoints());
if (figure.IsFilled == true)
{
figure.Filler.FillFigure(pen, _graphics, figure.GetPoints());
}
return(_tmpBitmap);
}
/// <summary> Проверка на коллизию </summary>
public bool CheckCollision(IFigure figureA, IFigure figureB)
{
// нашли пересечение отрезков
List <string> linesA = new List <string>()
{
};
for (int i = 0; i < figureA.GetPoints().Count - 1; i++)
{
linesA.Add(figureA.GetPoints()[i].X + "," + figureA.GetPoints()[i].Y + ";" + figureA.GetPoints()[i + 1].X + "," + figureA.GetPoints()[i + 1].Y + ";");
}
List <string> linesB = new List <string>()
{
};
for (int i = 0; i < figureB.GetPoints().Count - 1; i++)
{
linesB.Add(figureB.GetPoints()[i].X + "," + figureB.GetPoints()[i].Y + ";" + figureB.GetPoints()[i + 1].X + "," + figureB.GetPoints()[i + 1].Y + ";");
}
bool collision = false;
linesA.ForEach(_A => {
linesB.ForEach(_B => {
PointF startA = new PointF(int.Parse(_A.Split(';')[0].Split(',')[0]), int.Parse(_A.Split(';')[0].Split(',')[1]));
PointF endA = new PointF(int.Parse(_A.Split(';')[1].Split(',')[0]), int.Parse(_A.Split(';')[1].Split(',')[1]));
PointF startB = new PointF(int.Parse(_B.Split(';')[0].Split(',')[0]), int.Parse(_B.Split(';')[0].Split(',')[1]));
PointF endB = new PointF(int.Parse(_B.Split(';')[1].Split(',')[0]), int.Parse(_B.Split(';')[1].Split(',')[1]));
if (CheckCollisionLines(startA, endA, startB, endB))
{
collision = true;
}
});
});
if (collision)
{
return(true);
}
return(false);
}
private void pictureBox1_MouseMove(object sender, MouseEventArgs e)
{
if (_mD)
{
_tmpbmp.Dispose();
_tmpbmp = (Bitmap)_bitmap.Clone();
_graphics = Graphics.FromImage(_tmpbmp);
_crntFigure.Draw(_graphics, _pen, _crntFigure.GetPoints(new Point[] { _prev, e.Location }, checkBox1.Checked));
pictureBox1.Image = _tmpbmp;
}
}