hmi.graphics.collada
Class LookAt

java.lang.Object
  hmi.xml.XMLStructureAdapter
      hmi.graphics.collada.ColladaElement
          hmi.graphics.collada.TransformNode
              hmi.graphics.collada.LookAt

All Implemented Interfaces:

XMLStructure

public class LookAt
extends TransformNode

LookAt defines a transform matrix, specified by a 9-vector containg: eye position, center (or "interest point"), and up-vector, in that order.

Author:

Job Zwiers

Field Summary

private float[]	center
private float[]	eyepos
private static int	FLOATSPERROW
private float[]	upvec
private static String	XMLTAG

Fields inherited from class hmi.graphics.collada.ColladaElement

COLLADANAMESPACE

Fields inherited from class hmi.xml.XMLStructureAdapter

ATTRIBUTE_TOKEN_DELIMITERS, COMMA_SEPARATOR, DECODEDARRAYSIZE, DEFAULT_RECOVER_MODE, NEWLINE, SYSTEMNEWLINE, TAB, TAB_STRING

Constructor Summary

LookAt()

LookAt(Collada collada, XMLTokenizer tokenizer)

Method Summary

StringBuilder	appendContent(StringBuilder buf, XMLFormatting fmt) Appends a String to buf that encodes the contents for the XML encoding.
void	decodeContent(XMLTokenizer tokenizer) decodes the XML contents, i.e. the XML between the STag and ETag of the encoding.
float[]	getLookAtRotation4f() returns the rotation part of the LookAt matrix, in quaternion form
float[]	getLookAtTranslation3f() returns the translation part of the LookAt matrix
float[]	getMat4f() Returns the 4X4 OpenGL style lookat matrix, in row-major order.
String	getXMLTag() returns the XML Stag for XML encoding
static String	xmlTag() The XML Stag for XML encoding

Methods inherited from class hmi.graphics.collada.TransformNode

setMat4f

Methods inherited from class hmi.graphics.collada.ColladaElement

addColladaNode, addColladaNodes, addToIdMap, appendAttributes, decodeAttributes, getCollada, getColladaNodes, getId, getIdMap, getIdOrName, getIds, getName, getNamespace, getRecursiveColladaNodes, getRecursiveColladaNodes, getResources, getSid, report, reportNode, setCollada, setId, setName, setSid, urlToId

Methods inherited from class hmi.xml.XMLStructureAdapter

appendAttribute, appendAttribute, appendAttribute, appendAttribute, appendAttribute, appendAttribute, appendAttribute, appendAttribute, appendAttribute, appendAttribute, appendAttribute, appendAttribute, appendAttribute, appendAttribute, appendAttribute, appendAttribute, appendAttribute, appendAttribute, appendAttribute, appendAttribute, appendAttribute, appendAttribute, appendAttribute, appendAttribute, appendAttribute, appendAttribute, appendAttribute, appendAttribute, appendAttribute, appendAttribute, appendAttributes, appendAttributeString, appendAttributeString, appendBooleans, appendCloseEmptyTag, appendCloseSTag, appendComment, appendContent, appendDoubleElement, appendEmptyTag, appendEmptyTag, appendEmptyTag, appendEmptyTag, appendEmptyTag, appendEmptyTag, appendETag, appendETag, appendFloatArrayElement, appendFloatElement, appendFloats, appendIntArrayElement, appendIntElement, appendInts, appendLongElement, appendNewLine, appendNewLine, appendNewLine, appendOpenSTag, appendOptionalDoubleElement, appendOptionalFloatElement, appendOptionalIntElement, appendOptionalLongElement, appendSpaces, appendSpaces, appendSTag, appendSTag, appendSTag, appendStringArrayElement, appendStrings, appendSystemNewLine, appendTab, appendTextElement, appendXML, appendXML, appendXML, appendXML, appendXML, appendXMLStructure, appendXMLStructureList, appendXMLTextElementList, countTokens, countTokens, decodeAttribute, decodeAttribute, decodeBoolean, decodeBooleanArray, decodeBooleanArray, decodeBooleanArray, decodeBooleanArray, decodeDouble, decodeDoubleArray, decodeDoubleArray, decodeDoubleArray, decodeDoubleArray, decodeFloat, decodeFloatArray, decodeFloatArray, decodeFloatArray, decodeFloatArray, decodeInt, decodeIntArray, decodeIntArray, decodeIntArray, decodeIntArray, decodeLong, decodeStringArray, decodeStringArray, decodeStringArray, decodeStringArray, decodeXMLStructureList, decodeXMLValueElement, getOptionalAttribute, getOptionalAttribute, getOptionalBooleanAttribute, getOptionalDoubleAttribute, getOptionalFloatAttribute, getOptionalIntAttribute, getOptionalLongAttribute, getRequiredAttribute, getRequiredBooleanAttribute, getRequiredDoubleAttribute, getRequiredFloatAttribute, getRequiredIntAttribute, getRequiredLongAttribute, getTagLine, hasContent, parseXMLElement, postProcess, preProcess, readXML, readXML, readXML, setConsoleAttributeEnabled, setDefaultRecoverMode, setRecoverMode, spaces, toString, toXMLString, toXMLString, toXMLString, toXMLString, toXMLString, toXMLString, writeXML, writeXML, writeXML, writeXML

Methods inherited from class java.lang.Object

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

Field Detail

eyepos

private float[] eyepos

center

private float[] center

upvec

private float[] upvec

FLOATSPERROW

private static final int FLOATSPERROW

See Also:

Constant Field Values

XMLTAG

private static final String XMLTAG

See Also:

Constant Field Values

Constructor Detail

LookAt

public LookAt()

LookAt

public LookAt(Collada collada,
              XMLTokenizer tokenizer)
       throws IOException

Throws:

IOException

Method Detail

getMat4f

public float[] getMat4f()

Returns the 4X4 OpenGL style lookat matrix, in row-major order.

Overrides:

getMat4f in class TransformNode

getLookAtRotation4f

public float[] getLookAtRotation4f()

returns the rotation part of the LookAt matrix, in quaternion form

getLookAtTranslation3f

public float[] getLookAtTranslation3f()

returns the translation part of the LookAt matrix

appendContent

public StringBuilder appendContent(StringBuilder buf,
                                   XMLFormatting fmt)

Description copied from class: XMLStructureAdapter

Appends a String to buf that encodes the contents for the XML encoding. MUST BE OVERWRITTEN BY IMPLEMENTATIONS. (The default implementation appends nothing). The encoding should start on a new line, using indentation equal to tab. There should be no newline after the encoding.

Overrides:

appendContent in class XMLStructureAdapter

decodeContent

public void decodeContent(XMLTokenizer tokenizer)
                   throws IOException

Description copied from class: XMLStructureAdapter

decodes the XML contents, i.e. the XML between the STag and ETag of the encoding. MUST BE OVERWRITTEN BY IMPLEMENTATIONS.

Overrides:

decodeContent in class XMLStructureAdapter

Throws:

IOException

xmlTag

public static String xmlTag()

The XML Stag for XML encoding

getXMLTag

public String getXMLTag()

returns the XML Stag for XML encoding

Specified by:

getXMLTag in interface XMLStructure

Overrides:

getXMLTag in class XMLStructureAdapter