static void Main(string[] args)
{
Mat img = new Mat(1000, 1000, MatType.CV_8UC3, new Scalar(0, 0, 0));
const int NumberOfAnimationIterations = 10;
const int NumberOfIterationsInAFrame = 3;
const int NumberOfFullRotations = 50;
var topLeftControlPoint = StrokeFactory.CreateInterpolatingStroke(
new SPoint[] { new SPoint(100, 100, red), new SPoint(900, 100, yellow) }, NumberOfAnimationIterations);
var topRightControlPoint = StrokeFactory.CreateInterpolatingStroke(
new SPoint[] { new SPoint(900, 100, blue), new SPoint(900, 900, blue) }, NumberOfAnimationIterations);
var bottomRightControlPoint = StrokeFactory.CreateInterpolatingStroke(
new SPoint[] { new SPoint(900, 900, yellow), new SPoint(100, 900, red) }, NumberOfAnimationIterations);
var bottomLeftControlPoint = StrokeFactory.CreateInterpolatingStroke(
new SPoint[] { new SPoint(100, 900, blue), new SPoint(100, 100, blue) }, NumberOfAnimationIterations);
var controlPointAnimation = new AnimationStroke();
controlPointAnimation.AddStrokeAsTimeDependentControlPoint(topLeftControlPoint);
controlPointAnimation.AddStrokeAsTimeDependentControlPoint(topRightControlPoint);
controlPointAnimation.AddStrokeAsTimeDependentControlPoint(bottomRightControlPoint);
controlPointAnimation.AddStrokeAsTimeDependentControlPoint(bottomLeftControlPoint);
controlPointAnimation.AddStrokeAsTimeDependentControlPoint(topLeftControlPoint);
controlPointAnimation.NumberOfIterations = NumberOfIterationsInAFrame;
var strokeToDraw = new RotatingStroke(
new InterpolatingStroke(controlPointAnimation), 2.0, 50.0);
var drawer = new Drawer();
while (controlPointAnimation.NextFrame())
{
img.SetTo(new Scalar(0, 0, 0));
strokeToDraw.AngularSpeed = CalculateAngularVelocity(strokeToDraw.Count(), NumberOfFullRotations);
drawer.Draw(img, strokeToDraw, true);
Cv2.ImShow("Spirograph", img.Clone());
if (Cv2.WaitKey(20) == Key_Esc)
{
break;
}
}
}
public void AnimateInterpolatingStroke()
{
SPoint StartPointInFrame0 = new SPoint(0, 0);
SPoint StartPointInFrame10 = new SPoint(0, 10);
SPoint EndPointInFrame0 = new SPoint(100, 0);
SPoint EndPointInFrame10 = new SPoint(100, 10);
var controlPointAnimation = new AnimationStroke();
var s1 = StrokeFactory.CreateInterpolatingStroke(new SPoint[] { StartPointInFrame0, StartPointInFrame10 });
controlPointAnimation.AddStrokeAsTimeDependentControlPoint(s1);
var s2 = StrokeFactory.CreateInterpolatingStroke(new SPoint[] { EndPointInFrame0, EndPointInFrame10 });
controlPointAnimation.AddStrokeAsTimeDependentControlPoint(s2);
var s = new InterpolatingStroke(controlPointAnimation);
for (int t = 0; t <= 10; t++)
{
Assert.IsTrue(controlPointAnimation.NextFrame());
var currentPoints = s.ToArray();
AssertAllPointsInHorizontalLine(currentPoints, t, 0, 100);
}
Assert.IsFalse(controlPointAnimation.NextFrame());
}
public void SimpleAnimation()
{
SPoint A1 = new SPoint(10, 10);
SPoint A2 = new SPoint(20, 10);
SPoint B1 = new SPoint(10, 50);
SPoint B2 = new SPoint(20, 50);
var anim = new AnimationStroke();
var s1 = new PolyStroke(new SPoint[] { A1, A2 });
anim.AddStrokeAsTimeDependentControlPoint(s1);
var s2 = new PolyStroke(new SPoint[] { B1, B2 });
anim.AddStrokeAsTimeDependentControlPoint(s2);
var hadMore = anim.NextFrame();
Assert.IsTrue(hadMore);
PointListsHelper.AssertPointPresence(anim,
new SPoint[] { A1, B1 });
hadMore = anim.NextFrame();
Assert.IsTrue(hadMore);
PointListsHelper.AssertPointPresence(anim,
new SPoint[] { A2, B2 });
Assert.IsFalse(anim.NextFrame());
}
