public MaterialSetOLD 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;
MaterialSetOLD interpolatedMaterialSet = MaterialPalette.Sets.BrownBrushSet;
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 static MaterialSetOLD Interpolate(MaterialSetOLD a, MaterialSetOLD b, double p)
{
var materials = new List <Material>();
var mc = a.Materials.Count.Smallest(b.Materials.Count);
if (mc < 1)
{
throw new Exception("materialset no materials to interpolate");
}
for (var x = 0; x < mc; x++)
{
var materialA = a.Materials[x];
var materialB = b.Materials[x];
var colorMixed = Interpolate(materialA.Color, materialB.Color, p);
if (materialA.Luminosity == null)
{
throw new Exception("luminosity must not be null");
}
if (!Equals(materialA.Luminosity, materialB.Luminosity))
{
throw new Exception("luminosity must be the same.");
}
materials.Add(new Material(colorMixed.Color, materialA.Luminosity, "interpolated"));
}
return(new MaterialSetOLD(materials.ToArray()));
}
public override Material GetMaterial(MaterialSetOLD materialSet)
{
return materialSet.GetMaterial(Luminosity).WithOpacity(Opacity);
}
public AlternatingMaterialProvider(MaterialSetOLD materialSet1, MaterialSetOLD materialSet2)
{
MaterialSet1 = materialSet1;
MaterialSet2 = materialSet2;
}
public override Material GetMaterial(MaterialSetOLD materialSet)
{
return(materialSet.GetMaterial(Luminosity).WithOpacity(Opacity));
}
public abstract Material GetMaterial(MaterialSetOLD materialSet);
public override Material GetMaterial(MaterialSetOLD materialSet) => LiteralMaterial.WithOpacity(Opacity);
public override Material GetMaterial(MaterialSetOLD materialSet) => LiteralMaterial.WithOpacity(Opacity);
public GradientMaterialStop(MaterialSetOLD materialSet, double offset = 1)
{
MaterialSet = materialSet;
Offset = offset;
}
public abstract Material GetMaterial(MaterialSetOLD materialSet);
public AlternatingMaterialProvider(MaterialSetOLD materialSet1, MaterialSetOLD materialSet2)
{
MaterialSet1 = materialSet1;
MaterialSet2 = materialSet2;
}
