/// <summary>
/// Return a new CSG solid representing the union of this csg and the specified csgs.
/// </summary>
///
/// <b>Note:</b> Neither this csg nor the specified csg are weighted.
///
/// <blockquote><pre>
/// A.union(B)
///
/// +-------+ +-------+
/// | | | |
/// | A | | |
/// | +--+----+ = | +----+
/// +----+--+ | +----+ |
/// | B | | |
/// | | | |
/// +-------+ +-------+
/// </pre></blockquote>
///
///
/// <param name="csgs">other csgs</param>
///
/// <returns>union of this csg and the specified csgs</returns>
///
public CSG union(List <CSG> csgs)
{
CSG result = this;
foreach (CSG csg in csgs)
{
result = result.union(csg);
}
return(result);
}
/// <summary>
/// Return a new CSG solid representing the intersection of this csg and the specified csgs.
/// </summary>
///
/// <b>Note:</b> Neither this csg nor the specified csgs are weighted.
///
/// <code>
/// A.intersect(B)
///
/// +-------+
/// | |
/// | A |
/// | +--+----+ = +--+
/// +----+--+ | +--+
/// | B |
/// | |
/// +-------+
/// }
/// </code>
///
/// <param name="csgs">other csgs</param>
/// <returns>intersection of this csg and the specified csgs</returns>
///
public CSG intersect(List <CSG> csgs)
{
if (csgs.Count == 0)
{
return(this.clone());
}
CSG csgsUnion = csgs[0];
for (int i = 1; i < csgs.Count; i++)
{
csgsUnion = csgsUnion.union(csgs[i]);
}
return(intersect(csgsUnion));
}
public List <Polygon> toPolygons()
{
CSG spherePrototype
= new Sphere(getCornerRadius(), getResolution() * 2, getResolution()).toCSG();
double x = dimensions.x() / 2.0 - getCornerRadius();
double y = dimensions.y() / 2.0 - getCornerRadius();
double z = dimensions.z() / 2.0 - getCornerRadius();
CSG sphere1 = spherePrototype.transformed(Transform.unity().translate(-x, -y, -z));
CSG sphere2 = spherePrototype.transformed(Transform.unity().translate(x, -y, -z));
CSG sphere3 = spherePrototype.transformed(Transform.unity().translate(x, y, -z));
CSG sphere4 = spherePrototype.transformed(Transform.unity().translate(-x, y, -z));
CSG sphere5 = spherePrototype.transformed(Transform.unity().translate(-x, -y, z));
CSG sphere6 = spherePrototype.transformed(Transform.unity().translate(x, -y, z));
CSG sphere7 = spherePrototype.transformed(Transform.unity().translate(x, y, z));
CSG sphere8 = spherePrototype.transformed(Transform.unity().translate(-x, y, z));
List <Polygon> result = sphere1.union(
sphere2, sphere3, sphere4,
sphere5, sphere6, sphere7, sphere8).hull().getPolygons();
Transform locTransform = Transform.unity().translate(center);
foreach (Polygon p in result)
{
p.transform(locTransform);
}
if (!centered)
{
Transform centerTransform = Transform.unity().
translate(dimensions.x() / 2.0,
dimensions.y() / 2.0,
dimensions.z() / 2.0);
foreach (Polygon p in result)
{
p.transform(centerTransform);
}
}
return(result);
}
