void InitializeIndex(Vector3 center, Vector3 scale, int count, int index)
{
var matrices = RandomUtils.Matrices(center, scale, count, index * 18f + 20f);
Matrices[index] = new SharedArray <Matrix4x4, float4x4>(matrices);
var colors = new SharedArray <Vector4, float4>(RandomUtils.Colors(count));
Colors[index] = colors;
var block = new MaterialPropertyBlock();
block.SetVectorArray(ColorShaderProperty, colors);
PropertyBlocks[index] = block;
}