vxtPolygon

class vxtPolygon : public vxtPlanarObject

Polygonal patch.

Public Methods
vxtPolygon(Vector3D const *v, int n, int s=-1, int m = VXT_SURFACE, RGBColor cc=RGBColor(1)): Constructor -- if s >=0, skip the s-th vertex
vxtPolygon(float const *v[3], int n, int m = VXT_SURFACE, RGBColor cc=RGBColor(1)): Constructor
vxtPolygon(void): Default constructor (to enable arrays of polygons )
vxtPolygon(vxtPolygon const &other): copy constructor
~vxtPolygon(): destructor
vxtPolygon const& operator=(vxtPolygon const &other): overloaded assignment
virtual vxtObject3D* Dup() const: duplicate the object
virtual void Voxelize(vxtGrid3D& gr, const csgOp op=VXT_OR) const: Voxelize the object
int getNVert(void) const: get number of vertices
Vector3D& getVert(int i) const: get i-th vertex of the polygon
virtual void Describe() const: Print out object properties

Public
Basic methods

vxtPrimitive(const RGBColor& v)
Constructor
virtual void Describe() const
Print out object properties
Color manipulation

void setColor(RGBColor const& c)
set object color
RGBColor const& getColor(void) const
get object color
Implementation of GSC operations

vxtAggregate operator+(const vxtObject3D& b) const
Create an aggregate by addition - OR of two objects
vxtAggregate operator-(const vxtObject3D& b) const
Create an aggregate by subtracting two objects
vxtAggregate operator*(const vxtObject3D& b) const
Create an aggregate by multiplication - AND of two objects

Public
Methods dealing with object transformations

void Transform(Matrix const& tm, Vector3D const& P)
Object transformation with respect to a Point P
void Transform(Matrix const& tm)
Object transformation with respect to (0,0,0)
void Transform(const vxtObject3D& o)
Apply transformation matrix of some other object
Vector3D obj2world(Vector3D const &p) const
Transform point from object coordinates to world coordinates
Vector3D world2obj(Vector3D const &p) const
Transform point from world coordinates to object coordinates
void printMatrix(void) const
print transformation matrix
Virtual methods to be implemented by descendants

virtual void Voxelize(vxtGrid3D& gr, const csgOp op) const
Voxelize the object and add it to the grid gr
virtual vxtObject3D* Dup() const
Duplicate the object
virtual Vector3D minBBox()
get minimal corner of a bounding box
virtual Vector3D maxBBox()
get maximal corner of a bounding box
virtual void Describe() const
Print out object properties