byte[] GetVertexColorBytes(MeshVertexColorList vertexColors, out Color4f min, out Color4f max)
{
float [] minArr = new float[] { float.PositiveInfinity, float.PositiveInfinity, float.PositiveInfinity, float.PositiveInfinity };
float [] maxArr = new float[] { float.NegativeInfinity, float.NegativeInfinity, float.NegativeInfinity, float.NegativeInfinity };
List <float> colors = new List <float>(vertexColors.Count * 4);
for (int i = 0; i < vertexColors.Count; i++)
{
Color4f color = new Color4f(vertexColors[i]);
colors.AddRange(color.ToFloatArray());
minArr[0] = Math.Min(minArr[0], color.R);
minArr[1] = Math.Min(minArr[1], color.G);
minArr[2] = Math.Min(minArr[2], color.B);
minArr[3] = Math.Min(minArr[3], color.A);
maxArr[0] = Math.Max(maxArr[0], color.R);
maxArr[1] = Math.Max(maxArr[1], color.G);
maxArr[2] = Math.Max(maxArr[2], color.B);
maxArr[3] = Math.Max(maxArr[3], color.A);
}
min = new Color4f(minArr[0], minArr[1], minArr[2], minArr[3]);
max = new Color4f(maxArr[0], maxArr[1], maxArr[2], maxArr[3]);
IEnumerable <byte> bytesEnumerable = colors.SelectMany(value => BitConverter.GetBytes(value));
return(bytesEnumerable.ToArray());
}
int CreateSolidColorMaterial(Color4f color)
{
glTFLoader.Schema.Material material = new glTFLoader.Schema.Material()
{
PbrMetallicRoughness = new MaterialPbrMetallicRoughness()
{
BaseColorFactor = color.ToFloatArray(),
}
};
return(dummy.Materials.AddAndReturnIndex(material));
}
