private void Form1_Load(object sender, EventArgs e)
{
// Create graphics
g_demo = panel1.CreateGraphics();
g_curve = panel2.CreateGraphics();
// Bezier points
points[0] = new Point(10, 221);
points[1] = new Point(40, 31);
points[2] = new Point(310, 201);
points[3] = new Point(340, 11);
// Ease points
easePoints[0] = new Point(10, 221);
easePoints[1] = new Point(40, 31);
easePoints[2] = new Point(310, 201);
easePoints[3] = new Point(340, 11);
// Route bezier initialization
bezierRoute = new BezierRoute(points, 2000, 1, UniformBezierRouteCallBack);
bezierRoute.Tag = 1;
// Ease bezier demo points parameters
orignPoints[0] = new Point(0, panel1.Height / 2);
orignPoints[1] = new Point(-8, panel1.Height / 2);
orignPoints[2] = new Point(-16, panel1.Height / 2);
distance = panel1.Width;
pE[0] = new Point(orignPoints[0].X, orignPoints[0].Y);
pE[1] = new Point(orignPoints[1].X, orignPoints[1].Y);
pE[2] = new Point(orignPoints[2].X, orignPoints[2].Y);
brush[0] = new SolidBrush(Color.White);
brush[1] = new SolidBrush(Color.White);
brush[2] = new SolidBrush(Color.White);
bitmap = new Bitmap(panel1.Width, panel1.Height);
g_bitmap = Graphics.FromImage(bitmap);
// Ease bezier demo points initialization
bezierEase[0] = new BezierEase(easePoints, 2000, 1, UniformBezierEaseDemoCallBack);
bezierEase[0].Tag = 0;
bezierEase[1] = new BezierEase(easePoints, 2000, 1, UniformBezierEaseDemoCallBack);
bezierEase[1].Tag = 1;
bezierEase[2] = new BezierEase(easePoints, 2000, 1, UniformBezierEaseDemoCallBack);
bezierEase[2].Tag = 2;
}
private void UniformBezierEaseDemoCallBack(BezierEase bezierEase, double realRate, BezierEase.BezierStatus status)
{
// Draw demo panel
if (status == BezierEase.BezierStatus.Finished)
{
realRate = 1;
}
switch (status)
{
case BezierEase.BezierStatus.None:
break;
case BezierEase.BezierStatus.Motioning:
lock (this)
{
pE[bezierEase.Tag].X = (int)(orignPoints[bezierEase.Tag].X + distance * realRate);
}
break;
case BezierEase.BezierStatus.Finished:
DrawBezierCurve();
curvePointI = 0;
this.bezierEase[bezierEase.Tag].Start = true;
Console.WriteLine("Finished");
break;
default:
break;
}
// Update curve panel
if (0 == ++curvePointI % curvePointInterval)
{
UpdateCurvePanel(bezierEase.RealPoint);
}
}