//TODO: Simplify method to translate point without using point geometries.
public static SphereNode BoundingSphereNode(SphereNode sphere1, SphereNode sphere2)
{
SphereNode minSp = (sphere1.radius < sphere2.radius) ? sphere1 : sphere2;
SphereNode maxSp = (sphere1.radius < sphere2.radius) ? sphere2 : sphere1;
double centersDistance = DistanceBetweenCenters(minSp, maxSp);
double[] vectorCoord = minSp.center.Zip(maxSp.center, (sp1, sp2) => sp2 - sp1).ToArray();
using (Point minCenter = SphereNode.Center(minSp))
using (Point maxCenter = SphereNode.Center(maxSp))
{
Vector v = Vector.ByTwoPoints(minCenter, maxCenter);
double translationDist = (centersDistance + (maxSp.radius - minSp.radius)) * 0.5;
Point center = (Point)minCenter.Translate(v, translationDist);
double radius = (centersDistance + minSp.radius + maxSp.radius) * 0.5;
return(new SphereNode(new double[3] {
center.X, center.Y, center.Z
}, radius));
}
}
public void Tessellate(IRenderPackage package, TessellationParameters parameters)
{
package.RequiresPerVertexColoration = true;
Point center = SphereNode.Center(this);
Autodesk.DesignScript.Geometry.Geometry geometry = Sphere.ByCenterPointRadius(center, this.radius);
byte[] color = new byte[] { 0, 200, 200, 50 };
// As you add more data to the render package, you need
// to keep track of the index where this coloration will
// start from.
geometry.Tessellate(package, parameters);
if (package.MeshVertexCount > 0)
{
package.ApplyMeshVertexColors(CreateColorByteArrayOfSize(package.MeshVertexCount, color[0], color[1], color[2], color[3]));
}
center.Dispose();
geometry.Dispose();
}
