private void BezierRatioDrawer_MouseMove(object sender, MouseEventArgs e)
{
float x = e.X, y = e.Y;
if (x < 0)
{
x = 0;
}
if (x > this.Width)
{
x = this.Width;
}
if (y < 0)
{
y = 0;
}
if (y > this.Height)
{
y = this.Height;
}
var mousepos = new PointF(x, y);
if (selected != null)
{
if (selected == bcps[0])
{
var f = new PointF(mousepos.X - selected.Second.X, mousepos.Y - selected.Second.Y);
var nv = BezierCaliculate.GetNormalizePoint(f);
selected.ThirdDirection = nv;
selected.ThirdLength = GetLength(f);
IsLinear = false;
DrawandRefresh();
}
else if (selected == bcps[1])
{
var f = new PointF(mousepos.X - selected.Second.X, mousepos.Y - selected.Second.Y);
var nv = BezierCaliculate.GetNormalizePoint(f);
selected.FirstDirection = nv;
selected.FirstLength = GetLength(f);
IsLinear = false;
DrawandRefresh();
}
}
}
private PointF GetNormalizePoint(PointF p1, PointF p2)
{
var temp = new PointF(p1.X + p2.X, p1.Y + p2.Y);
return(BezierCaliculate.GetNormalizePoint(temp));
}