// Explicit constructor since we need to populate the Range value
public LineElement(IndexLinePoint start, IndexLinePoint end)
{
Start = start;
End = end;
IsFirst = false;
IsLast = false;
Range = End.Position - Start.Position;
}
protected List <AnimationSample> CalculateElements()
{
List <AnimationSample> samplePoints = new List <AnimationSample>();
List <LineElement> lineElements = new List <LineElement>();
mGridElements.Clear();
for (int i = 0; i < mSamples.Count; ++i)
{
samplePoints.Add(new AnimationSample(mSamples[i].Animation, mSamples[i].Value));
}
if (samplePoints.Count > 1)
{
samplePoints.Sort((a, b) =>
{
if (a.Value.X > b.Value.X)
{
return(1);
}
if (a.Value.X == b.Value.X)
{
return(0);
}
else
{
return(-1);
}
});
for (int index = 0; index < samplePoints.Count - 1; ++index)
{
var endIndex = index + 1;
var startPoint = new IndexLinePoint(samplePoints[index].Value.X, index);
var endPoint = new IndexLinePoint(samplePoints[endIndex].Value.X, endIndex);
lineElements.Add(new LineElement(startPoint, endPoint));
}
lineElements[0].IsFirst = true;
lineElements[lineElements.Count - 1].IsLast = true;
}
var gridRange = mBlendAxises[0].Max - mBlendAxises[0].Min;
var gridSize = gridRange / mBlendAxises[0].GridNum;
for (int i = 0; i < mBlendAxises[0].GridNum + 1; ++i)
{
mGridElements.Add(new GridElement(3));
}
if (lineElements.Count == 0)
{
for (int i = 0; i < mGridElements.Count; ++i)
{
mGridElements[i].Indices[0] = 0;
mGridElements[i].Weights[0] = 1.0f;
}
}
else
{
for (int elementIndex = 0; elementIndex < mBlendAxises[0].GridNum + 1; ++elementIndex)
{
var element = mGridElements[elementIndex];
var posIngrid = gridSize * elementIndex + mBlendAxises[0].Min;
// Try and populate the editor element
bool bPopulatedElement = false;
for (int i = 0; i < lineElements.Count; ++i)
{
bPopulatedElement |= lineElements[i].PopulateElement(posIngrid, ref element);
if (bPopulatedElement)
{
break;
}
}
// Ensure that the editor element is populated using the available sample data
}
}
return(samplePoints);
}