j3d.org Aviatrix3D

org.j3d.renderer.aviatrix3d.nodes
Class TriangleStripArray

java.lang.Object
  extended byorg.j3d.aviatrix3d.SceneGraphObject
      extended byorg.j3d.aviatrix3d.NodeComponent
          extended byorg.j3d.aviatrix3d.Geometry
              extended byorg.j3d.renderer.aviatrix3d.nodes.BufferGeometry
                  extended byorg.j3d.renderer.aviatrix3d.nodes.TriangleStripArray
All Implemented Interfaces:
PickableObject, Renderable, RenderableObject

public class TriangleStripArray
extends BufferGeometry

An OpenGL TriangleStripArray.

Version:
$Revision: 1.1 $
Author:
Justin Couch

Field Summary
 
Fields inherited from class org.j3d.renderer.aviatrix3d.nodes.BufferGeometry
ATTRIB_CLEAR, ATTRIB_MASK, attribIds, ATTRIBS, attributes, COLOR_3, COLOR_4, COLOR_CLEAR, COLOR_MASK, COLOR2, COLOR2_CLEAR, COLOR2_MASK, color2Buffer, colorBuffer, COORDINATE_2, COORDINATE_3, COORDINATE_4, COORDINATE_CLEAR, COORDINATE_MASK, EDGE_CLEAR, EDGE_MASK, EDGES, FOG, FOG_CLEAR, FOG_MASK, fogBuffer, NORMAL_CLEAR, normalBuffer, NORMALS, numCoords, numTextureArrays, numTextureSets, TEXTURE_CLEAR, TEXTURE_COORDINATE_1, TEXTURE_COORDINATE_2, TEXTURE_COORDINATE_3, TEXTURE_COORDINATE_4, TEXTURE_COORDINATE_MULTI, TEXTURE_COORDINATE_SINGLE, TEXTURE_MASK, TEXTURE_SET_AVAILABLE, TEXTURE_SET_CLEAR, textureBuffer, textureSets, textureTypes, vertexBuffer, vertexFormat, wkPolygon
 
Fields inherited from class org.j3d.aviatrix3d.Geometry
bounds, implicitBounds, internalUpdater, lastParentList, parentList, pickFlags, validAlpha
 
Fields inherited from class org.j3d.aviatrix3d.NodeComponent
lastParent, liveCount
 
Fields inherited from class org.j3d.aviatrix3d.SceneGraphObject
alive, updateHandler, WRITE_TIMING_MSG
 
Fields inherited from interface org.j3d.aviatrix3d.PickableObject
COLLIDABLE_OBJECT, GENERAL_OBJECT, PROXIMITY_OBJECT, VISIBLE_OBJECT
 
Constructor Summary
TriangleStripArray()
          Constructs a TriangleStripArray with default values.
 
Method Summary
 void getStripCount(int[] values)
          Get the sizes of the valid strips.
 int getValidStripCount()
          Get the number of valid strips that are defined for this geometry.
 boolean pickLineRay(float[] origin, float[] direction, boolean findAny, float[] dataOut, int dataOutFlags)
          Check for all intersections against this geometry using a line ray and return the exact distance away of the closest picking point.
 boolean pickLineSegment(float[] start, float[] end, boolean findAny, float[] dataOut, int dataOutFlags)
          Check for all intersections against this geometry using a line segment and return the exact distance away of the closest picking point.
 void postRender(net.java.games.jogl.GL gl, net.java.games.jogl.GLU glu)
          Restore all openGL state.
 void render(net.java.games.jogl.GL gl, net.java.games.jogl.GLU glu)
          Issue ogl commands needed for this renderable object.
 void setStripCount(int[] counts, int num)
          Set the number of valid strips to use.
 
Methods inherited from class org.j3d.renderer.aviatrix3d.nodes.BufferGeometry
clearVertexState, getColors, getFogCoordinates, getNormals, getSecondaryColors, getTextureCoordinates, getValidVertexCount, getVertexType, getVertices, initPolygonDetails, ray3DQuadChecked, ray3DTriangleChecked, recomputeBounds, setAttributes, setAttributes, setAttributes, setAttributes, setAttributes, setColors, setFogCoordinates, setLive, setNormals, setSecondaryColors, setTextureCoordinates, setTextureCoordinates, setTextureCoordinates, setTextureSetMap, setTextureSetMap, setValidVertexCount, setVertexState, setVertices, setVertices, updateBounds
 
Methods inherited from class org.j3d.aviatrix3d.Geometry
addParent, boundsChanged, getBounds, getPickMask, hasTransparency, markBoundsDirty, pickBatch, pickSingle, removeParent, setBounds, setPickMask
 
Methods inherited from class org.j3d.aviatrix3d.NodeComponent
addParent, getParents, hasChanged, numParents, removeParent
 
Methods inherited from class org.j3d.aviatrix3d.SceneGraphObject
checkForCyclicChild, checkForCyclicParent, dataChanged, getUserData, isLive, setUpdateHandler, setUserData
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

TriangleStripArray

public TriangleStripArray()
Constructs a TriangleStripArray with default values.

Method Detail

setStripCount

public void setStripCount(int[] counts,
                          int num)
                   throws InvalidWriteTimingException
Set the number of valid strips to use. A check is performed to make sure that the number of vertices high enough to support the total of all the strip counts so make sure to call setVertex() with the required array length before calling this method. Each strip must be a minumum length of three.

Parameters:
counts - The array of counts
num - The number of valid items to read from the array
Throws:
java.lang.IllegalArgumentException - Invalid total strip count or individual strip count < 3
InvalidWriteTimingException - An attempt was made to write outside of the NodeUpdateListener callback method

getValidStripCount

public int getValidStripCount()
Get the number of valid strips that are defined for this geometry.

Returns:
a positive number

getStripCount

public void getStripCount(int[] values)
Get the sizes of the valid strips. The passed array must be big enough to contain all the strips.

Parameters:
values - An array to copy the strip values into

render

public void render(net.java.games.jogl.GL gl,
                   net.java.games.jogl.GLU glu)
Issue ogl commands needed for this renderable object.

Parameters:
gl - The gl context to draw with
glu - The utility context to draw with

postRender

public void postRender(net.java.games.jogl.GL gl,
                       net.java.games.jogl.GLU glu)
Restore all openGL state.

Parameters:
gl - The gl context to draw with
glu - The utility context to draw with

pickLineSegment

public boolean pickLineSegment(float[] start,
                               float[] end,
                               boolean findAny,
                               float[] dataOut,
                               int dataOutFlags)
                        throws NotPickableException
Check for all intersections against this geometry using a line segment and return the exact distance away of the closest picking point. Default implementation always returns false indicating that nothing was found. Derived classes should override and provide a real implementation.

Overrides:
pickLineSegment in class BufferGeometry
Parameters:
start - The start point of the segment
end - The end point of the segment
findAny - True if it only has to find a single intersection and can exit as soon as it finds the first intersection. False if it must find the closest polygon
dataOut - An array to put the data in for the intersection. Exact format is described by the flags
dataOutFlags - A set of derived-class specific flags describing what data should be included in the output array
Returns:
True if an intersection was found according to the input request
Throws:
NotPickableException - This object has been marked as non pickable, but you decided to try to call the method anyway

pickLineRay

public boolean pickLineRay(float[] origin,
                           float[] direction,
                           boolean findAny,
                           float[] dataOut,
                           int dataOutFlags)
                    throws NotPickableException
Check for all intersections against this geometry using a line ray and return the exact distance away of the closest picking point. Default implementation always returns false indicating that nothing was found. Derived classes should override and provide a real implementation.

Overrides:
pickLineRay in class BufferGeometry
Parameters:
origin - The start point of the ray
direction - The direction vector of the ray
findAny - True if it only has to find a single intersection and can exit as soon as it finds the first intersection. False if it must find the closest polygon
dataOut - An array to put the data in for the intersection. Exact format is described by the flags
dataOutFlags - A set of derived-class specific flags describing what data should be included in the output array
Returns:
True if an intersection was found according to the input request
Throws:
NotPickableException - This object has been marked as non pickable, but you decided to try to call the method anyway

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