objects
Class HalfSpace

java.lang.Object
  objects.Object
      objects.HalfSpace

All Implemented Interfaces:

IObject

public class HalfSpace
extends Object

Field Summary

Fields inherited from class objects.Object

trans

Constructor Summary

HalfSpace(double a_, double b_, double c_, double d_)
constructor

HalfSpace(double a_, double b_, double c_, double d_, double ut, double vt)
constructor

HalfSpace(double a_, double b_, double c_, double d_, double ut, double vt, Vector2D bias)
constructor

Method Summary

IntersectionInfo	calcIntersection(Ray ray) calculates the intersection with an ray
void	calculateTextureCoordinates(IntersectionInfo ri) calculates the coordinates at ri.nextPosition
double	getArea()
IObject	getCopy()
boolean	isInside(Point3D p)
Vector3D	normal(Point3D p) calculate normal via gradient
double	q(Point3D p) calculate the value of the quadric at point p
void	transform(TransformationMatrix4x4 m) transforms the object with the matrix m

Methods inherited from class objects.Object

assignMap, assignMaterial, getMap, getMaterial, getTransformationMatrix, move, rotate, rotateAroundX, rotateAroundY, rotateAroundZ, scale, scale, setTransformationMatrix, UniformRandomPoint

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

HalfSpace

public HalfSpace(double a_,
                 double b_,
                 double c_,
                 double d_)

constructor

Parameters:

a_ -

b_ -

c_ -

d_ -

HalfSpace

public HalfSpace(double a_,
                 double b_,
                 double c_,
                 double d_,
                 double ut,
                 double vt)

constructor

Parameters:

a_ -

b_ -

c_ -

d_ -

ut - the tiling for texturing in u-direction

vt - the tiling for texturing in v-direction

HalfSpace

public HalfSpace(double a_,
                 double b_,
                 double c_,
                 double d_,
                 double ut,
                 double vt,
                 Vector2D bias)

constructor

Parameters:

a_ -

b_ -

c_ -

d_ -

ut - the tiling for texturing in u-direction

vt - the tiling for texturing in v-direction

bias - the bias of the tiling

Method Detail

calcIntersection

public IntersectionInfo calcIntersection(Ray ray)

Description copied from interface: IObject

calculates the intersection with an ray

Returns:

the intersection info

q

public double q(Point3D p)

Description copied from interface: IObject

calculate the value of the quadric at point p

Parameters:

p - point

Returns:

the value at point p, q(p)<=0 -> inside

isInside

public boolean isInside(Point3D p)

Returns:

is the point inside the object

normal

public Vector3D normal(Point3D p)

Description copied from interface: IObject

calculate normal via gradient

Parameters:

p - the point

Returns:

normal at p

transform

public void transform(TransformationMatrix4x4 m)

Description copied from interface: IObject

transforms the object with the matrix m

Parameters:

m - the transformation matrix

calculateTextureCoordinates

public void calculateTextureCoordinates(IntersectionInfo ri)

Description copied from interface: IObject

calculates the coordinates at ri.nextPosition

Parameters:

ri - intersection information

getArea

public double getArea()

Specified by:

getArea in interface IObject

Overrides:

getArea in class Object

Returns:

the area of the object

getCopy

public IObject getCopy()

Returns:

the area of the object