public static List <PolyLine> ToCache(PolyLine source, PolyLine target, double speed, IEasing easing, bool interpolateXAxis = true)
{
int steps = (int)(1 / speed);
double p = speed;
var cache = new List <PolyLine>(steps);
for (int i = 0; i < steps; i++)
{
var clone = source.Clone();
var easeP = easing.Ease(p);
To(clone, target, easeP, interpolateXAxis);
p += speed;
cache.Add(clone);
}
return(cache);
}
public static void To(PolyLine source, PolyLine target, double progress, bool interpolateXAxis)
{
if (source.XValues.Count < target.XValues.Count)
{
InterpolatePolyLine(
source.XValues.ToArray(),
source.YValues.ToArray(),
target.XValues.Count,
out var xValues,
out var yValues);
source.XValues = xValues;
source.YValues = yValues;
}
else if (source.XValues.Count > target.XValues.Count)
{
InterpolatePolyLine(
target.XValues.ToArray(),
target.YValues.ToArray(),
source.XValues.Count,
out var xValues,
out var yValues);
target.XValues = xValues;
target.YValues = yValues;
}
for (int j = 0; j < source.XValues.Count; j++)
{
if (!interpolateXAxis)
{
source.XValues[j] = target.XValues[j];
}
else
{
source.XValues[j] = Interpolate(source.XValues[j], target.XValues[j], progress);
}
source.YValues[j] = Interpolate(source.YValues[j], target.YValues[j], progress);
}
}
