Package rayrangers.raytracer.world

Class Face

java.lang.Object

rayrangers.raytracer.world.Face

All Implemented Interfaces:

Hittable

Direct Known Subclasses:

Triangle

public abstract class Face
extends Object
implements Hittable

Represents a face described by a Wavefront OBJ file. OBJ file: f v ... f v/vt ... f v//vn f v/vt/vn ...

Field Summary

Fields

Modifier and Type	Field	Description
protected Material	material	Material of the face.
protected String	smoothingGroup	Smoothing group the face belongs to.

Constructor Summary

Constructors

Constructor	Description
Face(Material material, String smoothingGroup)	Constructs a face with the given material and smoothing group.

Method Summary

Modifier and Type	Method	Description
abstract Vertex3D[]	getAllVert()	Returns all vertices of the face in an array.
abstract Vertex3D	getCenter()	Calculates the center point of a face.
Material	getMaterial()	Returns the material of the face.
String	getSmoothingGroup()	Returns the smoothing group of the face.
boolean	isInSameSmoothinggroup(Face otherFace)	Checks if another face is in the same smoothing group.

Methods inherited from class java.lang.Object

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

Methods inherited from interface rayrangers.raytracer.world.Hittable

hit

Field Details

material

protected Material material

Material of the face.

smoothingGroup

protected String smoothingGroup

Smoothing group the face belongs to. OBJ file: s smoothing-group

Constructor Details

Face

public Face(Material material,
 String smoothingGroup)

Constructs a face with the given material and smoothing group.

Parameters:

material - material

smoothingGroup - smoothing group, parser will pass Integer.MIN_VALUE if not specified

Method Details

getMaterial

public Material getMaterial()

Returns the material of the face.

Returns:

material

getSmoothingGroup

public String getSmoothingGroup()

Returns the smoothing group of the face.

Returns:

smoothing group

isInSameSmoothinggroup

public boolean isInSameSmoothinggroup(Face otherFace)

Checks if another face is in the same smoothing group.

Parameters:

otherFace - face to compare

Returns:

boolean result

getAllVert

public abstract Vertex3D[] getAllVert()

Returns all vertices of the face in an array.

Returns:

vertices

getCenter

public abstract Vertex3D getCenter()

Calculates the center point of a face.

Returns:

center point