gov.nasa.worldwind.ogc.collada.impl

Class ColladaMeshShape

java.lang.Object

gov.nasa.worldwind.avlist.AVListImpl

gov.nasa.worldwind.WWObjectImpl

gov.nasa.worldwind.render.AbstractShape

gov.nasa.worldwind.render.AbstractGeneralShape

gov.nasa.worldwind.ogc.collada.impl.ColladaMeshShape

All Implemented Interfaces:

AVList, Draggable, MessageListener, Exportable, ExtentHolder, Movable, Movable2, Attributable, GeographicExtent, Highlightable, OrderedRenderable, PreRenderable, Renderable, Restorable, WWObject, java.beans.PropertyChangeListener, java.util.EventListener

public class ColladaMeshShape
extends AbstractGeneralShape

Shape to render a COLLADA line or triangle mesh. An instance of this shape can render any number of ColladaLines or ColladaTriangles, but a single instance cannot render both lines and triangles. New instances are created by createTriangleMesh and createLineMesh.

This shape supports only COLLADA line and triangle geometries.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected static class	ColladaMeshShape.ExtentCacheKey
protected static class	ColladaMeshShape.Geometry Geometry and attributes of a COLLADA triangles or lines element.
static class	ColladaMeshShape.OrderedMeshShape Class to represent an instance of the mesh to be drawn as an ordered renderable.
protected static class	ColladaMeshShape.ShapeData This class holds globe-specific data for this shape.

Nested classes/interfaces inherited from class gov.nasa.worldwind.render.AbstractShape

AbstractShape.AbstractShapeData

Field Summary

Fields

Modifier and Type	Field and Description
protected ColladaBindMaterial	bindMaterial Material applied to this mesh.
protected java.nio.FloatBuffer	coordBuffer The vertex data buffer for this shape data.
protected int	elementType OpenGL element type for this shape (GL.GL_LINES or GL.GL_TRIANGLES).
protected java.util.Map<ColladaMeshShape.ExtentCacheKey,Extent>	extentCache Cache of shape extents computed for different transform matrices.
protected java.util.List<ColladaMeshShape.Geometry>	geometries Geometry objects that describe different parts of the mesh.
protected java.nio.FloatBuffer	normalBuffer The slice of the coordBuffer that contains normals.
protected int	normalBufferPosition The index of the first normal in the coordBuffer.
protected int	shapeCount Total number of shapes (lines or triangles) in this mesh.
protected int	texCoordBufferPosition The index of the first texture coordinate in the coordBuffer.
protected java.nio.FloatBuffer	textureCoordsBuffer Texture coordinates for all geometries in this shape.
protected int	vertsPerShape Number of vertices per shape.

Fields inherited from class gov.nasa.worldwind.render.AbstractGeneralShape

heading, modelPosition, modelScale, pitch, resourceMap, roll

Fields inherited from class gov.nasa.worldwind.render.AbstractShape

activeAttributes, altitudeMode, BEogsh, currentData, DEFAULT_ALTITUDE_MODE, DEFAULT_GEOMETRY_GENERATION_INTERVAL, DEFAULT_HIGHLIGHT_MATERIAL, DEFAULT_INTERIOR_MATERIAL, DEFAULT_OUTLINE_MATERIAL, DEFAULT_OUTLINE_PICK_WIDTH, defaultAttributes, delegateOwner, dragEnabled, draggableSupport, enableBatchPicking, enableBatchRendering, enableDepthOffset, highlightAttrs, highlighted, maxExpiryTime, minExpiryTime, normalAttrs, outlinePickWidth, outlineShapeRenderer, pickLayer, pickSupport, referencePosition, sector, shapeDataCache, surfaceShape, VBO_THRESHOLD, viewDistanceExpiration, visible

Fields inherited from interface gov.nasa.worldwind.Exportable

FORMAT_NOT_SUPPORTED, FORMAT_PARTIALLY_SUPPORTED, FORMAT_SUPPORTED

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	ColladaMeshShape(java.util.List<? extends ColladaAbstractGeometry> geometries) Create an instance of the shape.

Method Summary

Modifier and Type	Method and Description
protected void	addOrderedRenderable(DrawContext dc) Adds this shape to the draw context's ordered renderable list.
protected void	applyMaterial(DrawContext dc, Material material) Apply a material to the active draw context.
protected OGLStackHandler	beginDrawing(DrawContext dc, int attrMask) Establish the OpenGL state needed to draw this shape.
protected Extent	computeExtent(DrawContext dc) Compute the shape's extent, using the active orientation matrix.
protected double	computeEyeDistance(DrawContext dc) Computes the minimum distance between this shape and the eye point.
protected Vec4	computeReferenceCenter(DrawContext dc) Computes this shape's reference center.
protected Matrix	computeRenderMatrix(DrawContext dc) Computes the transform to use during rendering to orient the model.
protected AbstractShape.AbstractShapeData	createCacheEntry(DrawContext dc) Creates and returns a new cache entry specific to the subclass.
protected void	createFullGeometry(DrawContext dc) Create full geometry for the shape, including normals and texture coordinates.
static ColladaMeshShape	createLineMesh(java.util.List<ColladaLines> geometries, ColladaBindMaterial bindMaterial) Create a line mesh shape.
protected void	createMinimalGeometry(DrawContext dc, ColladaMeshShape.ShapeData shapeData) Compute enough geometry to determine this shape's extent, reference point and eye distance.
protected void	createNormals() Create this shape's vertex normals.
protected void	createTexCoords() Create this shape's texture coordinates.
static ColladaMeshShape	createTriangleMesh(java.util.List<ColladaTriangles> geometries, ColladaBindMaterial bindMaterial) Create a triangle mesh shape.
protected void	createVertexCoords(DrawContext dc) Create the shape's vertex coordinates.
protected void	doDrawInterior(DrawContext dc) Draws this shape's interior.
protected void	doDrawInteriorVA(DrawContext dc, ColladaMeshShape.Geometry geometry) Draw one geometry in the mesh interior using vertex arrays.
protected void	doDrawInteriorVBO(DrawContext dc, ColladaMeshShape.Geometry geometry, int[] vboIds) Draw one geometry in the mesh interior using vertex buffer objects.
protected void	doDrawOrderedRenderable(DrawContext dc, PickSupport pickCandidates, Matrix matrix) Draw the shape as an OrderedRenderable, using the specified transform matrix.
protected void	doDrawOutline(DrawContext dc) Draws this shape's outline.
protected boolean	doMakeOrderedRenderable(DrawContext dc) Produces the geometry and other state necessary to represent this shape as an ordered renderable.
protected void	drawBatched(DrawContext dc) Draws this ordered renderable and all subsequent Path ordered renderables in the ordered renderable list.
protected void	fillVBO(DrawContext dc) Fill this shape's vertex buffer objects.
protected ColladaEffect	getEffect(ColladaAbstractGeometry geometry) Indicates the effect applied to a geometry.
protected java.lang.String	getImageRef(ColladaEffect effect, ColladaTexture texture) Indicates the reference string for an image.
protected ColladaInstanceMaterial	getInstanceMaterial(ColladaMeshShape.Geometry geometry) Indicates the instance_material element for a geometry.
Box	getLocalExtent(ColladaTraversalContext tc)
protected Material	getMaterial(ColladaMeshShape.Geometry geometry) Indicates the material applied to a geometry.
protected java.lang.String	getTexCoordSemantic(ColladaMeshShape.Geometry geometry) Indicates the semantic that identifies texture coordinates.
protected WWTexture	getTexture(ColladaMeshShape.Geometry geometry) Indicates the texture applied to this shape.
protected java.lang.String	getTextureSource(ColladaAbstractGeometry geometry) Indicates the source (file path or URL) of the texture applied to a geometry.
java.util.List<Intersection>	intersect(Line line, Terrain terrain) Compute the intersections of a specified line with this shape.
protected boolean	isDoubleSided(ColladaAbstractGeometry geometry) Indicates whether or not a geometry is double sided.
protected boolean	isOrderedRenderableValid(DrawContext dc) Determines whether this shape's ordered renderable state is valid and can be rendered.
protected boolean	mustApplyTexture(ColladaMeshShape.Geometry geometry) Indicates whether or not a texture must be applied to a geometry.
protected boolean	mustApplyTexture(DrawContext dc) Indicates whether texture should be applied to this shape.
void	pick(DrawContext dc, java.awt.Point pickPoint, Matrix matrix) Pick the mesh in a given orientation.
void	render(DrawContext dc, Matrix matrix) Render the mesh in a given orientation.
void	setModelPosition(Position modelPosition) Specifies this shape's geographic position.
protected void	setModelViewMatrix(DrawContext dc) Called during drawing to set the modelview matrix to apply the correct position, scale and orientation for this shape.

Methods inherited from class gov.nasa.worldwind.render.AbstractGeneralShape

computeEyeDistance, computeReferencePoint, doExportAsKML, getCurrent, getHeading, getModelPosition, getModelScale, getPitch, getReferencePosition, getResourceMap, getRoll, getSector, initialize, moveTo, setHeading, setModelScale, setPitch, setResourceMap, setRoll

Methods inherited from class gov.nasa.worldwind.render.AbstractShape

checkViewDistanceExpiration, clearCachedVbos, computeExtentFromPositions, computePoint, computePoint, countTriangleVertices, createPickedObject, createSurfaceShape, determineActiveAttributes, doDrag, doDrawOrderedRenderable, doGetRestorableState, doRestoreState, drag, drawInterior, drawOrderedRenderable, drawOutline, endDrawing, export, exportAsKML, getActiveAttributes, getAltitudeMode, getAttributes, getCurrentData, getDelegateOwner, getDistanceFromEye, getExtent, getExtent, getGeometryRegenerationInterval, getHighlightAttributes, getOutlinePickWidth, getReferencePoint, getRestorableState, getVboIds, intersectsFrustum, isDragEnabled, isEnableBatchPicking, isEnableBatchRendering, isEnableDepthOffset, isExportFormatSupported, isHighlighted, isTerrainDependent, isViewDistanceExpiration, isVisible, makeOrderedRenderable, makeTexture, move, moveTo, mustApplyLighting, mustApplyLighting, mustCreateNormals, mustCreateNormals, mustDrawInterior, mustDrawOutline, mustRegenerateGeometry, pick, prepareToDrawInterior, prepareToDrawOutline, preRender, render, reset, restoreState, setAltitudeMode, setAttributes, setDelegateOwner, setDragEnabled, setEnableBatchPicking, setEnableBatchRendering, setEnableDepthOffset, setGeometryRegenerationInterval, setHighlightAttributes, setHighlighted, setOutlinePickWidth, setReferencePosition, setViewDistanceExpiration, setVisible, shouldUseVBOs, updateSurfaceShape

Methods inherited from class gov.nasa.worldwind.WWObjectImpl

onMessage, propertyChange

Methods inherited from class gov.nasa.worldwind.avlist.AVListImpl

addPropertyChangeListener, addPropertyChangeListener, clearList, copy, firePropertyChange, firePropertyChange, getBooleanValue, getBooleanValue, getChangeSupport, getDoubleValue, getDoubleValue, getEntries, getIntegerValue, getIntegerValue, getLongValue, getLongValue, getRestorableStateForAVPair, getStringValue, getStringValue, getStringValue, getValue, getValues, hasKey, removeKey, removePropertyChangeListener, removePropertyChangeListener, setValue, setValues

Methods inherited from class java.lang.Object

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

Methods inherited from interface gov.nasa.worldwind.avlist.AVList

addPropertyChangeListener, addPropertyChangeListener, clearList, copy, firePropertyChange, firePropertyChange, getEntries, getStringValue, getValue, getValues, hasKey, removeKey, removePropertyChangeListener, removePropertyChangeListener, setValue, setValues

Field Detail

bindMaterial

protected ColladaBindMaterial bindMaterial

Material applied to this mesh.

coordBuffer

protected java.nio.FloatBuffer coordBuffer

The vertex data buffer for this shape data. The first part contains vertex coordinates, the second part contains normals, and the third part contains texture coordinates.

elementType

protected int elementType

OpenGL element type for this shape (GL.GL_LINES or GL.GL_TRIANGLES).

extentCache

protected java.util.Map<ColladaMeshShape.ExtentCacheKey,Extent> extentCache

Cache of shape extents computed for different transform matrices.

geometries

protected java.util.List<ColladaMeshShape.Geometry> geometries

Geometry objects that describe different parts of the mesh.

normalBuffer

protected java.nio.FloatBuffer normalBuffer

The slice of the coordBuffer that contains normals.

normalBufferPosition

protected int normalBufferPosition

The index of the first normal in the coordBuffer.

shapeCount

protected int shapeCount

Total number of shapes (lines or triangles) in this mesh. Equal to the sum of the shapes in each geometry.

texCoordBufferPosition

protected int texCoordBufferPosition

The index of the first texture coordinate in the coordBuffer.

textureCoordsBuffer

protected java.nio.FloatBuffer textureCoordsBuffer

Texture coordinates for all geometries in this shape.

vertsPerShape

protected int vertsPerShape

Number of vertices per shape. Two in the case of a line mesh, three in the case of a triangle mesh.

Constructor Detail

ColladaMeshShape

protected ColladaMeshShape(java.util.List<? extends ColladaAbstractGeometry> geometries)

Create an instance of the shape.

Parameters:

geometries - Geometries to render. All geometries must be of the same type (either ColladaTriangles or ColladaLines.

Method Detail

addOrderedRenderable

protected void addOrderedRenderable(DrawContext dc)

Adds this shape to the draw context's ordered renderable list. Overridden because this shape uses ColladaMeshShape.OrderedMeshShape to represent this drawn instance of the mesh in the ordered renderable queue.

Overrides:

addOrderedRenderable in class AbstractShape

Parameters:

dc - the current draw context.

applyMaterial

protected void applyMaterial(DrawContext dc,
                             Material material)

Apply a material to the active draw context.

Parameters:

dc - Current draw context.

material - Material to apply.

beginDrawing

protected OGLStackHandler beginDrawing(DrawContext dc,
                                       int attrMask)

Description copied from class: AbstractShape

Establish the OpenGL state needed to draw this shape.

A AbstractShape.AbstractShapeData must be current when this method is called.

Overrides:

beginDrawing in class AbstractShape

Parameters:

dc - the current draw context.

attrMask - an attribute mask indicating state the caller will set. This base class implementation sets GL_CURRENT_BIT, GL_LINE_BIT, GL_HINT_BIT, GL_POLYGON_BIT, GL_COLOR_BUFFER_BIT, and GL_TRANSFORM_BIT.

Returns:

the stack handler used to set the OpenGL state. Callers should use this to set additional state, especially state indicated in the attribute mask argument.

computeExtent

protected Extent computeExtent(DrawContext dc)

Compute the shape's extent, using the active orientation matrix.

Parameters:

dc - Current draw context.

Returns:

The spatial extent of the shape, or null if the extent cannot be determined.

computeEyeDistance

protected double computeEyeDistance(DrawContext dc)

Computes the minimum distance between this shape and the eye point.

A AbstractShape.AbstractShapeData must be current when this method is called.

Parameters:

dc - the current draw context.

Returns:

the minimum distance from the shape to the eye point.

computeReferenceCenter

protected Vec4 computeReferenceCenter(DrawContext dc)

Computes this shape's reference center.

Parameters:

dc - the current draw context.

Returns:

the computed reference center, or null if it cannot be computed.

computeRenderMatrix

protected Matrix computeRenderMatrix(DrawContext dc)

Computes the transform to use during rendering to orient the model.

Parameters:

dc - the current draw context

Returns:

the modelview transform for this shape.

createCacheEntry

protected AbstractShape.AbstractShapeData createCacheEntry(DrawContext dc)

Creates and returns a new cache entry specific to the subclass.

Specified by:

createCacheEntry in class AbstractShape

Parameters:

dc - the current draw context.

Returns:

a data cache entry for the state in the specified draw context.

createFullGeometry

protected void createFullGeometry(DrawContext dc)

Create full geometry for the shape, including normals and texture coordinates.

Parameters:

dc - Current draw context.

createLineMesh

public static ColladaMeshShape createLineMesh(java.util.List<ColladaLines> geometries,
                                              ColladaBindMaterial bindMaterial)

Create a line mesh shape.

Parameters:

geometries - COLLADA elements that defines geometry for this shape. Must contain at least one element.

bindMaterial - Material applied to the mesh. May be null.

Returns:

A Collada mesh shape.

createMinimalGeometry

protected void createMinimalGeometry(DrawContext dc,
                                     ColladaMeshShape.ShapeData shapeData)

Compute enough geometry to determine this shape's extent, reference point and eye distance.

A AbstractShape.AbstractShapeData must be current when this method is called.

Parameters:

dc - the current draw context.

shapeData - the current shape data for this shape.

createNormals

protected void createNormals()

Create this shape's vertex normals. The normals are stored in normalBuffer.

createTexCoords

protected void createTexCoords()

Create this shape's texture coordinates. The texture coordinates are stored in textureCoordsBuffer.

createTriangleMesh

public static ColladaMeshShape createTriangleMesh(java.util.List<ColladaTriangles> geometries,
                                                  ColladaBindMaterial bindMaterial)

Create a triangle mesh shape.

Parameters:

geometries - COLLADA elements that defines geometry for this shape. Must contain at least one element.

bindMaterial - Material applied to the mesh. May be null.

Returns:

A triangle mesh shape.

createVertexCoords

protected void createVertexCoords(DrawContext dc)

Create the shape's vertex coordinates. The coordinates are stored in coordBuffer.

Parameters:

dc - Current draw context.

doDrawInterior

protected void doDrawInterior(DrawContext dc)

Draws this shape's interior. Called immediately after calling AbstractShape.prepareToDrawInterior(DrawContext, ShapeAttributes, ShapeAttributes), which establishes OpenGL state for lighting, blending, pick color and interior attributes. Subclasses should execute the drawing commands specific to the type of shape.

A AbstractShape.AbstractShapeData must be current when this method is called.

Specified by:

doDrawInterior in class AbstractShape

Parameters:

dc - the current draw context.

doDrawInteriorVA

protected void doDrawInteriorVA(DrawContext dc,
                                ColladaMeshShape.Geometry geometry)

Draw one geometry in the mesh interior using vertex arrays.

Parameters:

dc - Current draw context.

geometry - Geometry to draw.

doDrawInteriorVBO

protected void doDrawInteriorVBO(DrawContext dc,
                                 ColladaMeshShape.Geometry geometry,
                                 int[] vboIds)

Draw one geometry in the mesh interior using vertex buffer objects.

Parameters:

dc - Current draw context.

geometry - Geometry to draw.

vboIds - Array of vertex buffer identifiers. The first element of the array identifies the buffer that contains vertex coordinates and normal vectors.

doDrawOrderedRenderable

protected void doDrawOrderedRenderable(DrawContext dc,
                                       PickSupport pickCandidates,
                                       Matrix matrix)

Draw the shape as an OrderedRenderable, using the specified transform matrix.

Parameters:

dc - Current draw context.

pickCandidates - Pick candidates for this frame.

matrix - Transform matrix to apply before trying shape. m

doDrawOutline

protected void doDrawOutline(DrawContext dc)

Draws this shape's outline. Called immediately after calling AbstractShape.prepareToDrawOutline(DrawContext, ShapeAttributes, ShapeAttributes), which establishes OpenGL state for lighting, blending, pick color and line attributes. Subclasses should execute the drawing commands specific to the type of shape.

A AbstractShape.AbstractShapeData must be current when this method is called. Does nothing, all drawing is performed by doDrawInterior(gov.nasa.worldwind.render.DrawContext).

Specified by:

doDrawOutline in class AbstractShape

Parameters:

dc - the current draw context.

doMakeOrderedRenderable

protected boolean doMakeOrderedRenderable(DrawContext dc)

Produces the geometry and other state necessary to represent this shape as an ordered renderable. Places this shape on the draw context's ordered renderable list for subsequent rendering. This method is called during AbstractShape.pick(DrawContext, java.awt.Point) and AbstractShape.render(DrawContext) when it's been determined that the shape is likely to be visible.

Specified by:

doMakeOrderedRenderable in class AbstractShape

Parameters:

dc - the current draw context.

Returns:

true if the ordered renderable state was successfully computed, otherwise false, in which case the current pick or render pass is terminated for this shape. Subclasses should return false if it is not possible to create the ordered renderable state.

See Also:

AbstractShape.pick(DrawContext, java.awt.Point), AbstractShape.render(DrawContext)

drawBatched

protected void drawBatched(DrawContext dc)

Draws this ordered renderable and all subsequent Path ordered renderables in the ordered renderable list. If the current pick mode is true, only shapes within the same layer are drawn as a batch.

A AbstractShape.AbstractShapeData must be current when this method is called. Overridden because ColladaMeshShape uses OrderedMeshShape instead of adding itself to the ordered renderable queue.

Overrides:

drawBatched in class AbstractShape

Parameters:

dc - the current draw context.

fillVBO

protected void fillVBO(DrawContext dc)

Fill this shape's vertex buffer objects. If the vertex buffer object resource IDs don't yet exist, create them.

A AbstractShape.AbstractShapeData must be current when this method is called.

Specified by:

fillVBO in class AbstractShape

Parameters:

dc - the current draw context.

getEffect

protected ColladaEffect getEffect(ColladaAbstractGeometry geometry)

Indicates the effect applied to a geometry.

Parameters:

geometry - Geometry for which to find effect.

Returns:

Effect applied to the specified geometry, or null if no effect is defined, or the effect is not available.

getImageRef

protected java.lang.String getImageRef(ColladaEffect effect,
                                       ColladaTexture texture)

Indicates the reference string for an image. The image reference identifies an image element in this, or another COLLADA file. For example, "#myImage".

Parameters:

effect - Effect that defines the texture.

texture - Texture for which to find the image reference.

Returns:

The image reference, or null if it cannot be resolved.

getInstanceMaterial

protected ColladaInstanceMaterial getInstanceMaterial(ColladaMeshShape.Geometry geometry)

Indicates the instance_material element for a geometry.

Parameters:

geometry - Geometry for which to find material.

Returns:

Material for the specified geometry, or null if the material cannot be resolved.

getLocalExtent

public Box getLocalExtent(ColladaTraversalContext tc)

getMaterial

protected Material getMaterial(ColladaMeshShape.Geometry geometry)

Indicates the material applied to a geometry.

Parameters:

geometry - Geometry for which to find material.

Returns:

Material to apply to the geometry. If the COLLADA document does not define a material, this method return a default material.

getTexCoordSemantic

protected java.lang.String getTexCoordSemantic(ColladaMeshShape.Geometry geometry)

Indicates the semantic that identifies texture coordinates. This may be specified for each material using a bind_vertex_input element.

Parameters:

geometry - Geometry for which to find semantic.

Returns:

The semantic string that identifies the texture coordinates, or null if the geometry does not define the semantic.

getTexture

protected WWTexture getTexture(ColladaMeshShape.Geometry geometry)

Indicates the texture applied to this shape.

Parameters:

geometry - Geometry to apply.

Returns:

The texture that must be applied to the shape, or null if there is no texture, or the texture is not available.

getTextureSource

protected java.lang.String getTextureSource(ColladaAbstractGeometry geometry)

Indicates the source (file path or URL) of the texture applied to a geometry.

Parameters:

geometry - Geometry for which to find texture source.

Returns:

The source of the texture, or null if it cannot be resolved.

intersect

public java.util.List<Intersection> intersect(Line line,
                                              Terrain terrain)
                                       throws java.lang.InterruptedException

Compute the intersections of a specified line with this shape. If the shape's altitude mode is other than WorldWind.ABSOLUTE, the shape's geometry is created relative to the specified terrain rather than the terrain used during rendering, which may be at lower level of detail than required for accurate intersection determination.

COLLADA shapes do not support intersection tests because the shape may be rendered multiple times with different transform matrices. It's not possible to determine intersection without the transform matrix applied when the shape is rendered.

Specified by:

intersect in class AbstractShape

Parameters:

line - the line to intersect.

terrain - the Terrain to use when computing the shape's geometry.

Returns:

Always returns null.

Throws:

java.lang.InterruptedException - if the operation is interrupted.

See Also:

Terrain

isDoubleSided

protected boolean isDoubleSided(ColladaAbstractGeometry geometry)

Indicates whether or not a geometry is double sided. A geometry is double sided if its effect element contains a technique for the profile "GOOGLEEARTH", and the technique includes a double_sided field. The double_sided field is not part of the COLLADA specification, but many COLLADA models packaged in KML include the element.

Parameters:

geometry - Geometry to test.

Returns:

True if the geometry is marked as double sided. Otherwise false.

isOrderedRenderableValid

protected boolean isOrderedRenderableValid(DrawContext dc)

Determines whether this shape's ordered renderable state is valid and can be rendered. Called by AbstractShape.makeOrderedRenderable(DrawContext)just prior to adding the shape to the ordered renderable list.

Specified by:

isOrderedRenderableValid in class AbstractShape

Parameters:

dc - the current draw context.

Returns:

true if this shape is ready to be rendered as an ordered renderable.

mustApplyTexture

protected boolean mustApplyTexture(ColladaMeshShape.Geometry geometry)

Indicates whether or not a texture must be applied to a geometry.

Parameters:

geometry - Geometry to test.

Returns:

True if the specified geometry includes a texture.

mustApplyTexture

protected boolean mustApplyTexture(DrawContext dc)

Indicates whether texture should be applied to this shape. Called during rendering to determine whether texture state should be established during preparation for interior drawing.

Note: This method always returns false during the pick pass.

Specified by:

mustApplyTexture in class AbstractShape

Parameters:

dc - the current draw context

Returns:

True if any geometry in this shape includes a texture.

pick

public void pick(DrawContext dc,
                 java.awt.Point pickPoint,
                 Matrix matrix)

Pick the mesh in a given orientation.

Parameters:

dc - Current draw context.

pickPoint - Current pick point.

matrix - Matrix to multiply with the current modelview matrix to orient the mesh.

render

public void render(DrawContext dc,
                   Matrix matrix)

Render the mesh in a given orientation.

Parameters:

dc - Current draw context.

matrix - Matrix to be multiply with the current modelview matrix to orient the mesh.

setModelPosition

public void setModelPosition(Position modelPosition)

Specifies this shape's geographic position. The position's altitude is relative to this shape's altitude mode. Overridden to invalidate cached geometry when the model position is changed.

Overrides:

setModelPosition in class AbstractGeneralShape

Parameters:

modelPosition - this shape's geographic position.

setModelViewMatrix

protected void setModelViewMatrix(DrawContext dc)

Called during drawing to set the modelview matrix to apply the correct position, scale and orientation for this shape.

Parameters:

dc - the current DrawContext

Throws:

java.lang.IllegalArgumentException - if draw context is null or the draw context GL is null