orientedshape3d.java

JAVA3D矩陈的相关类

    }


    /**
     * Retrieves the alignment mode.
     *
     * @return one of: ROTATE_ABOUT_AXIS, ROTATE_ABOUT_POINT,
     * or ROTATE_NONE
     *
     * @exception CapabilityNotSetException if appropriate capability is 
     * not set and this object is part of live or compiled scene graph
     */
    public int getAlignmentMode() {
        if (isLiveOrCompiled())
            if (!this.getCapability(ALLOW_MODE_READ))
                throw new CapabilityNotSetException(J3dI18N.getString("OrientedShape3D1"));
        return((OrientedShape3DRetained)retained).getAlignmentMode();
    }


    /**
     * Sets the new alignment axis.  This is the ray about which this
     * OrientedShape3D rotates when the mode is ROTATE_ABOUT_AXIS.
     * The specified axis must not be parallel to the <i>Z</i>
     * axis--(0,0,<i>z</i>) for any value of <i>z</i>.  It is not
     * possible for the +<i>Z</i> axis to point at the viewer's eye
     * position by rotating about itself.  The target transform will
     * be set to the identity if the axis is (0,0,<i>z</i>).
     *
     * @param axis the new alignment axis
     *
     * @exception CapabilityNotSetException if appropriate capability is 
     * not set and this object is part of live or compiled scene graph
     */
    public void setAlignmentAxis(Vector3f axis) {
        if (isLiveOrCompiled())
            if (!this.getCapability(ALLOW_AXIS_WRITE))
                throw new CapabilityNotSetException(J3dI18N.getString("OrientedShape3D2"));
        if (isLive())
            ((OrientedShape3DRetained)retained).setAlignmentAxis(axis);
	else
            ((OrientedShape3DRetained)retained).initAlignmentAxis(axis);
    }


    /**
     * Sets the new alignment axis.  This is the ray about which this
     * OrientedShape3D rotates when the mode is ROTATE_ABOUT_AXIS.
     * The specified axis must not be parallel to the <i>Z</i>
     * axis--(0,0,<i>z</i>) for any value of <i>z</i>.  It is not
     * possible for the +<i>Z</i> axis to point at the viewer's eye
     * position by rotating about itself.  The target transform will
     * be set to the identity if the axis is (0,0,<i>z</i>).
     *
     * @param x the x component of the alignment axis
     * @param y the y component of the alignment axis
     * @param z the z component of the alignment axis
     *
     * @exception CapabilityNotSetException if appropriate capability is 
     * not set and this object is part of live or compiled scene graph
     */
    public void setAlignmentAxis(float x, float y, float z) {
        if (isLiveOrCompiled())
            if (!this.getCapability(ALLOW_AXIS_WRITE))
                throw new CapabilityNotSetException(J3dI18N.getString("OrientedShape3D2"));
        if (isLive())
            ((OrientedShape3DRetained)retained).setAlignmentAxis(x,y,z);
	else
            ((OrientedShape3DRetained)retained).initAlignmentAxis(x,y,z);
    }


    /**
     * Retrieves the alignment axis of this OrientedShape3D node,
     * and copies it into the specified vector.
     *
     * @param axis the vector that will contain the alignment axis
     *
     * @exception CapabilityNotSetException if appropriate capability is 
     * not set and this object is part of live or compiled scene graph
     */
    public void getAlignmentAxis(Vector3f axis)  {
        if (isLiveOrCompiled())
            if (!this.getCapability(ALLOW_AXIS_READ))
                throw new CapabilityNotSetException(J3dI18N.getString("OrientedShape3D3"));
        ((OrientedShape3DRetained)retained).getAlignmentAxis(axis);
    }

    /**
     * Sets the new rotation point.  This is the point about which the
     * OrientedShape3D rotates when the mode is ROTATE_ABOUT_POINT.
     *
     * @param point the new rotation point
     *
     * @exception CapabilityNotSetException if appropriate capability is 
     * not set and this object is part of live or compiled scene graph
     */
    public void setRotationPoint(Point3f point) {
        if (isLiveOrCompiled())
            if (!this.getCapability(ALLOW_POINT_WRITE))
                throw new CapabilityNotSetException(J3dI18N.getString("OrientedShape3D4"));
        if (isLive())
            ((OrientedShape3DRetained)retained).setRotationPoint(point);
	else
            ((OrientedShape3DRetained)retained).initRotationPoint(point);
    }


    /**
     * Sets the new rotation point.  This is the point about which the
     * OrientedShape3D rotates when the mode is ROTATE_ABOUT_POINT.
     *
     * @param x the x component of the rotation point
     * @param y the y component of the rotation point
     * @param z the z component of the rotation point
     *
     * @exception CapabilityNotSetException if appropriate capability is 
     * not set and this object is part of live or compiled scene graph
     */
    public void setRotationPoint(float x, float y, float z) {
        if (isLiveOrCompiled())
            if (!this.getCapability(ALLOW_POINT_WRITE))
                throw new CapabilityNotSetException(J3dI18N.getString("OrientedShape3D4"));
        if (isLive())
            ((OrientedShape3DRetained)retained).setRotationPoint(x,y,z);
	else
            ((OrientedShape3DRetained)retained).initRotationPoint(x,y,z);
    }


    /**
     * Retrieves the rotation point of this OrientedShape3D node,
     * and copies it into the specified vector.
     *
     * @param point the point that will contain the rotation point
     *
     * @exception CapabilityNotSetException if appropriate capability is 
     * not set and this object is part of live or compiled scene graph
     */
    public void getRotationPoint(Point3f point)  {
        if (isLiveOrCompiled())
            if (!this.getCapability(ALLOW_POINT_READ))
                throw new CapabilityNotSetException(J3dI18N.getString("OrientedShape3D5"));
        ((OrientedShape3DRetained)retained).getRotationPoint(point);
    }


    /**
     * Sets the constant scale enable flag.
     *
     * @param constantScaleEnable a flag indicating whether to enable
     * constant scale
     *
     * @exception CapabilityNotSetException if appropriate capability is 
     * not set and this object is part of live or compiled scene graph
     *
     * @since Java 3D 1.3
     */
    public void setConstantScaleEnable(boolean constantScaleEnable) {
        if (isLiveOrCompiled())
            if (!this.getCapability(ALLOW_SCALE_WRITE))
                throw new CapabilityNotSetException(J3dI18N.getString("OrientedShape3D6"));

        if (isLive())
	    ((OrientedShape3DRetained)retained).
		setConstantScaleEnable(constantScaleEnable);
	else
	    ((OrientedShape3DRetained)retained).
		initConstantScaleEnable(constantScaleEnable);
    }


    /**
     * Retrieves the constant scale enable flag.
     *
     * @return the current constant scale enable flag
     *
     * @exception CapabilityNotSetException if appropriate capability is 
     * not set and this object is part of live or compiled scene graph
     *
     * @since Java 3D 1.3
     */
    public boolean getConstantScaleEnable() {
        if (isLiveOrCompiled())
            if (!this.getCapability(ALLOW_SCALE_READ))
                throw new CapabilityNotSetException(J3dI18N.getString("OrientedShape3D7"));

	return ((OrientedShape3DRetained)retained).getConstantScaleEnable();
    }


    /**
     * Sets the scale for this OrientedShape3D.  This scale is used when
     * the constant scale enable flag is set to true.
     *
     * @param scale the scale value
     *
     * @exception CapabilityNotSetException if appropriate capability is 
     * not set and this object is part of live or compiled scene graph
     *
     * @since Java 3D 1.3
     */
    public void setScale(double scale) {
        if (isLiveOrCompiled())
            if (!this.getCapability(ALLOW_SCALE_WRITE))
                throw new CapabilityNotSetException(J3dI18N.getString("OrientedShape3D8"));

        if (isLive())
	    ((OrientedShape3DRetained)retained).setScale(scale);
	else
	    ((OrientedShape3DRetained)retained).initScale(scale);
    }


    /**
     * Retrieves the scale value for this OrientedShape3D.
     *
     * @return the current scale value
     *
     * @exception CapabilityNotSetException if appropriate capability is 
     * not set and this object is part of live or compiled scene graph
     *
     * @since Java 3D 1.3
     */
    public double getScale() {
        if (isLiveOrCompiled())
            if (!this.getCapability(ALLOW_SCALE_READ))
                throw new CapabilityNotSetException(J3dI18N.getString("OrientedShape3D9"));

	return ((OrientedShape3DRetained)retained).getScale();
    }


    /**
     * Used to create a new instance of the node.  This routine is called
     * by <code>cloneTree</code> to duplicate the current node.
     * <code>cloneNode</code> should be overridden by any user subclassed
     * objects.  All subclasses must have their <code>cloneNode</code>
     * method consist of the following lines:
     * <P><blockquote><pre>
     *     public Node cloneNode(boolean forceDuplicate) {
     *         UserSubClass usc = new UserSubClass();
     *         usc.duplicateNode(this, forceDuplicate);
     *         return usc;
     *     }
     * </pre></blockquote>
     * @param forceDuplicate when set to <code>true</code>, causes the
     *  <code>duplicateOnCloneTree</code> flag to be ignored.  When
     *  <code>false</code>, the value of each node's
     *  <code>duplicateOnCloneTree</code> variable determines whether
     *  NodeComponent data is duplicated or copied.
     *
     * @see Node#cloneTree
     * @see Node#duplicateNode
     * @see NodeComponent#setDuplicateOnCloneTree
     */
    public Node cloneNode(boolean forceDuplicate) {
        OrientedShape3D s = new OrientedShape3D();
        s.duplicateNode(this, forceDuplicate);
        return s;
    }

    /**
     * Copies all node information from <code>originalNode</code> into
     * the current node.  This method is called from the
     * <code>cloneNode</code> method which is, in turn, called by the
     * <code>cloneTree</code> method.
     * <P>
     * For any <code>NodeComponent</code> objects
     * contained by the object being duplicated, each <code>NodeComponent</code>
     * object's <code>duplicateOnCloneTree</code> value is used to determine
     * whether the <code>NodeComponent</code> should be duplicated in the new node
     * or if just a reference to the current node should be placed in the
     * new node.  This flag can be overridden by setting the
     * <code>forceDuplicate</code> parameter in the <code>cloneTree</code>
     * method to <code>true</code>.
     * <br>
     * NOTE: Applications should <i>not</i> call this method directly.
     * It should only be called by the cloneNode method.
     *
     * @param originalNode the original node to duplicate.
     * @param forceDuplicate when set to <code>true</code>, causes the
     *  <code>duplicateOnCloneTree</code> flag to be ignored.  When
     *  <code>false</code>, the value of each node's
     *  <code>duplicateOnCloneTree</code> variable determines whether
     *  NodeComponent data is duplicated or copied.
     * @exception ClassCastException if originalNode is not an instance of 
     *  <code>Shape3D</code>
     *
     * @see Node#cloneTree
     * @see Node#cloneNode
     * @see NodeComponent#setDuplicateOnCloneTree
     */
    public void duplicateNode(Node originalNode, boolean forceDuplicate) {
	checkDuplicateNode(originalNode, forceDuplicate);       
    }



   /**
     * Copies all Shape3D information from
     * <code>originalNode</code> into
     * the current node.  This method is called from the
     * <code>cloneNode</code> method which is, in turn, called by the
     * <code>cloneTree</code> method.<P>
     *
     * @param originalNode the original node to duplicate.
     * @param forceDuplicate when set to <code>true</code>, causes the
     *  <code>duplicateOnCloneTree</code> flag to be ignored.  When
     *  <code>false</code>, the value of each node's
     *  <code>duplicateOnCloneTree</code> variable determines whether
     *  NodeComponent data is duplicated or copied.
     *
     * @exception RestrictedAccessException if this object is part of a live
     *  or compiled scenegraph.
     *
     * @see Node#duplicateNode
     * @see Node#cloneTree
     * @see NodeComponent#setDuplicateOnCloneTree
     */
    void duplicateAttributes(Node originalNode, boolean forceDuplicate) {
  
	super.duplicateAttributes(originalNode, forceDuplicate);
	OrientedShape3DRetained attr = (OrientedShape3DRetained) 
						originalNode.retained;
	OrientedShape3DRetained rt = (OrientedShape3DRetained) retained;

	rt.setAlignmentMode(attr.getAlignmentMode());
	Vector3f axis = new Vector3f();
	attr.getAlignmentAxis(axis);
	rt.setAlignmentAxis(axis);
	Point3f point = new Point3f();
	attr.getRotationPoint(point);
	rt.setRotationPoint(point);
    }
}