de.javagl.swogl.geometry
Class AbstractGeometry

java.lang.Object
  de.javagl.swogl.geometry.AbstractGeometry

All Implemented Interfaces:

Geometry

public class AbstractGeometry
extends java.lang.Object
implements Geometry

Abstract base implementation of a Geometry

Constructor Summary

protected

AbstractGeometry() Creates a new AbytractGeometry

Method Summary

protected void	addNormal(javax.vecmath.Tuple3f normal) Adds copy of the given normal to this geometry
protected void	addTexCoord(javax.vecmath.TexCoord2f texCoord) Add copy of the given texture coordinate to this geometry
protected void	addTriangle(int i0, int i1, int i2) Add the triangle consisting of the given indices to this geometry.
protected void	addVertex(javax.vecmath.Tuple3f vertex) Add a copy of the given vertex to this geometry.
boolean	areTexCoordsModified() Returns whether the texture coordinates have been modified
boolean	areVerticesModified() Returns whether the vertices have been modified
void	getNormal(int index, javax.vecmath.Tuple3f normal) Stores the normal with the given index in the given argument
int	getNumTriangles() Returns the number of triangles in this Geometry
int	getNumVertices() Returns the number of vertices in this Geometry
void	getTexCoord(int index, javax.vecmath.Tuple2f texCoord) Stores the texture coordinates of the vertex with the given index in the given argument
void	getVertex(int index, javax.vecmath.Tuple3f vertex) Stores the vertex with the given index in the given argument
int	getVertexIndex(int index) Returns the specified vertex index.
void	setNormal(int index, javax.vecmath.Tuple3f normal) Sets the normal of the vertex with the given index After modifying vertices, setVerticesModified(true) should be called, so that the rendering may take the modified data into account.
void	setTexCoord(int index, javax.vecmath.Tuple2f texCoord) Set the texture coordinates of the vertex with the given index After modifying coordinates, setTexCoordsModified(true) should be called, so that the rendering may take the modified data into account.
void	setTexCoordsModified(boolean modified) Set the flag which indicates that the texture coordinates of this geometry have been modified, and should be updated by the renderer before the next rendering pass.
void	setVertex(int index, javax.vecmath.Tuple3f vertex) Set the coordinates of the vertex with the specified index.
void	setVerticesModified(boolean modified) Set the flag which indicates that the vertex positions of this geometry have been modified, and should be updated by the renderer before the next rendering pass.

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractGeometry

protected AbstractGeometry()

Creates a new AbytractGeometry

Method Detail

addVertex

protected void addVertex(javax.vecmath.Tuple3f vertex)

Add a copy of the given vertex to this geometry.

Parameters:

vertex - The vertex

addTexCoord

protected void addTexCoord(javax.vecmath.TexCoord2f texCoord)

Add copy of the given texture coordinate to this geometry

Parameters:

texCoord - The texture coordinate

addNormal

protected void addNormal(javax.vecmath.Tuple3f normal)

Adds copy of the given normal to this geometry

Parameters:

normal - The normal

addTriangle

protected void addTriangle(int i0,
                           int i1,
                           int i2)

Add the triangle consisting of the given indices to this geometry.

Parameters:

i0 - The first index

i1 - The second index

i2 - The third index

setVerticesModified

public void setVerticesModified(boolean modified)

Description copied from interface: Geometry

Set the flag which indicates that the vertex positions of this geometry have been modified, and should be updated by the renderer before the next rendering pass.

Specified by:

setVerticesModified in interface Geometry

Parameters:

modified - Whether the vertices have been modified

areVerticesModified

public boolean areVerticesModified()

Description copied from interface: Geometry

Returns whether the vertices have been modified

Specified by:

areVerticesModified in interface Geometry

Returns:

Whether the vertices have been modified

setTexCoordsModified

public void setTexCoordsModified(boolean modified)

Description copied from interface: Geometry

Set the flag which indicates that the texture coordinates of this geometry have been modified, and should be updated by the renderer before the next rendering pass.

Specified by:

setTexCoordsModified in interface Geometry

Parameters:

modified - Whether the texture coordinates have been modified

areTexCoordsModified

public boolean areTexCoordsModified()

Description copied from interface: Geometry

Returns whether the texture coordinates have been modified

Specified by:

areTexCoordsModified in interface Geometry

Returns:

Whether the texture coordinates have been modified

getNumTriangles

public int getNumTriangles()

Description copied from interface: Geometry

Returns the number of triangles in this Geometry

Specified by:

getNumTriangles in interface Geometry

Returns:

The number of triangles in this Geometry

getVertexIndex

public int getVertexIndex(int index)

Description copied from interface: Geometry

Returns the specified vertex index. Three consecutive indices are the indices of the vertices of a single triangle

Specified by:

getVertexIndex in interface Geometry

Parameters:

index - The number of the index to return

Returns:

The index

getNumVertices

public int getNumVertices()

Description copied from interface: Geometry

Returns the number of vertices in this Geometry

Specified by:

getNumVertices in interface Geometry

Returns:

The number of vertices in this Geometry

getVertex

public void getVertex(int index,
                      javax.vecmath.Tuple3f vertex)

Description copied from interface: Geometry

Stores the vertex with the given index in the given argument

Specified by:

getVertex in interface Geometry

Parameters:

index - The index of the vertex

vertex - Will store the vertex

setVertex

public void setVertex(int index,
                      javax.vecmath.Tuple3f vertex)

Description copied from interface: Geometry

Set the coordinates of the vertex with the specified index. After modifying vertices, setVerticesModified(true) should be called, so that the rendering may take the modified data into account.

Specified by:

setVertex in interface Geometry

Parameters:

index - The index of the vertex

vertex - The coordinates the vertex should have

getNormal

public void getNormal(int index,
                      javax.vecmath.Tuple3f normal)

Description copied from interface: Geometry

Stores the normal with the given index in the given argument

Specified by:

getNormal in interface Geometry

Parameters:

index - The index of the vertex whose normal should be obtained

normal - Will store the normal

setNormal

public void setNormal(int index,
                      javax.vecmath.Tuple3f normal)

Description copied from interface: Geometry

Sets the normal of the vertex with the given index After modifying vertices, setVerticesModified(true) should be called, so that the rendering may take the modified data into account.

Specified by:

setNormal in interface Geometry

Parameters:

index - The index of the vertex whose normal should be set

normal - The normal to set for the vertex

getTexCoord

public void getTexCoord(int index,
                        javax.vecmath.Tuple2f texCoord)

Description copied from interface: Geometry

Stores the texture coordinates of the vertex with the given index in the given argument

Specified by:

getTexCoord in interface Geometry

Parameters:

index - The index of the vertex whose texture coordinates should be obtained

texCoord - Will store the texture coordinates

setTexCoord

public void setTexCoord(int index,
                        javax.vecmath.Tuple2f texCoord)

Description copied from interface: Geometry

Set the texture coordinates of the vertex with the given index After modifying coordinates, setTexCoordsModified(true) should be called, so that the rendering may take the modified data into account.

Specified by:

setTexCoord in interface Geometry

Parameters:

index - The index of the vertex whose texture coordinates should be set

texCoord - The texture coordinates to set