public MaterialSet ProvideNext(ProviderContext context)
{
var materialSet = currentIndex % 2 == 0 ? MaterialSet1 : MaterialSet2;
currentIndex++;
return(materialSet);
}
public MaterialSet ProvideNext(ProviderContext context)
{
if (currentIndex > context.CycleLength)
{
currentIndex = 0;
}
var position = 1.0 / context.CycleLength * currentIndex;
var gradientStepSpan = GradientStepData.Sum(step => step.Offset);
var additivestepPercentage = 0d;
MaterialSet interpolatedMaterialSet = Palette.Red;
if (position >= 1)
{
currentIndex++;
return(GradientStepData.Last().MaterialSet);
}
for (var x = 0; x <= GradientStepData.Count - 2; x++)
{
var stepPercentage = GradientStepData[x].Offset / gradientStepSpan;
var stepProgression = position - additivestepPercentage;
var stepProgressionPercentage = stepProgression / stepPercentage;
if (position >= additivestepPercentage && position < (additivestepPercentage + stepPercentage))
{
interpolatedMaterialSet = MediaExtensions.Interpolate(GradientStepData[x].MaterialSet,
GradientStepData[x + 1].MaterialSet, stepProgressionPercentage);
break;
}
additivestepPercentage += stepPercentage;
}
currentIndex++;
return(interpolatedMaterialSet);
}
public IMaterialProvider ProvideNext(ProviderContext context)
{
switch (CyclicalMode)
{
case CyclicalBehavior.Repeat:
{
if (currentIndex > MaterialProviderSequence.Count - 1)
{
currentIndex = 0;
}
if (currentIndex < 0)
{
currentIndex = MaterialProviderSequence.Count - 1;
}
var currentSet = MaterialProviderSequence[currentIndex];
if (Reverse)
{
currentIndex--;
}
else
{
currentIndex++;
}
return(currentSet);
}
case CyclicalBehavior.Mirror:
{
if (currentIndex > MaterialProviderSequence.Count - 1)
{
currentIndex = MaterialProviderSequence.Count - 2;
mirrorDirection = MirrorDirection.Backward;
}
else if (currentIndex < 0)
{
currentIndex = 1;
mirrorDirection = MirrorDirection.Forward;
}
var currentSet = MaterialProviderSequence[currentIndex];
switch (mirrorDirection)
{
case MirrorDirection.Forward:
currentIndex++;
break;
case MirrorDirection.Backward:
currentIndex--;
break;
}
return(currentSet);
}
default:
throw new NotSupportedException($"Cyclical Mode {CyclicalMode} is not supported.");
}
}
public void Reset(ProviderContext context)
{
if (Reverse)
{
currentIndex = context.CycleLength - 1;
}
else
{
currentIndex = 0;
}
}
public void Reset(ref ProviderContext context)
{
if (Reverse)
{
context.ProviderIndex = context.CycleLength - 1;
}
else
{
context.ProviderIndex = 0;
}
}
public void Reset(ProviderContext context)
{
currentIndex = 0;
}
public MaterialSet ProvideNext(ProviderContext context)
{
throw new NotSupportedException(
"ProvideNext cannot be used on a IDataAwareMaterialProvider. Use ProvideNextDataAware.");
}
public void Reset(ProviderContext context)
{
}
public MaterialSet ProvideNext(ProviderContext context)
{
return(MaterialSet);
}