Examples of com.jme3.scene.Spatial

com.jme3.scene.Spatial
Spatial defines the base class for scene graph nodes. It maintains a link to a parent, it's local transforms and the world's transforms. All other scene graph elements, such as {@link Node} and{@link Geometry} are subclasses of Spatial. @author Mark Powell @author Joshua Slack @version $Revision: 4075 $, $Data$

    }


    protected synchronized void reIndexPages(HashMap<String,UpdatedTerrainPatch> updated, boolean usesVariableLod) {
        if (children != null) {
            for (int i = children.size(); --i >= 0;) {
                Spatial child = children.get(i);
                if (child instanceof TerrainQuad) {
                    ((TerrainQuad) child).reIndexPages(updated, usesVariableLod);
                } else if (child instanceof TerrainPatch) {
                    ((TerrainPatch) child).reIndexGeometry(updated, usesVariableLod);
                }

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    }


    public void generateDebugTangents(Material mat) {
        for (int x = children.size(); --x >= 0;) {
            Spatial child = children.get(x);
            if (child instanceof TerrainQuad) {
                ((TerrainQuad)child).generateDebugTangents(mat);
            } else if (child instanceof TerrainPatch) {
                Geometry debug = new Geometry( "Debug " + name,
                    TangentBinormalGenerator.genTbnLines( ((TerrainPatch)child).getMesh(), 0.8f));
                attachChild(debug);
                debug.setLocalTranslation(child.getLocalTranslation());
                debug.setCullHint(CullHint.Never);
                debug.setMaterial(mat);
            }
        }
    }

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    protected float getHeightmapHeight(int x, int z) {
        int quad = findQuadrant(x, z);
        int split = (size + 1) >> 1;
        if (children != null) {
            for (int i = children.size(); --i >= 0;) {
                Spatial spat = children.get(i);
                int col = x;
                int row = z;
                boolean match = false;


                // get the childs quadrant

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    protected Vector3f getMeshNormal(int x, int z) {
        int quad = findQuadrant(x, z);
        int split = (size + 1) >> 1;
        if (children != null) {
            for (int i = children.size(); --i >= 0;) {
                Spatial spat = children.get(i);
                int col = x;
                int row = z;
                boolean match = false;


                // get the childs quadrant

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    private QuadrantChild findMatchingChild(int x, int z) {
        int quad = findQuadrant(x, z);
        int split = (size + 1) >> 1;
        if (children != null) {
            for (int i = children.size(); --i >= 0;) {
                Spatial spat = children.get(i);
                int col = x;
                int row = z;
                boolean match = false;


                // get the childs quadrant

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        List<LocationHeight> quadLH1 = new ArrayList<LocationHeight>();
        List<LocationHeight> quadLH2 = new ArrayList<LocationHeight>();
        List<LocationHeight> quadLH3 = new ArrayList<LocationHeight>();
        List<LocationHeight> quadLH4 = new ArrayList<LocationHeight>();
        Spatial quad1 = null;
        Spatial quad2 = null;
        Spatial quad3 = null;
        Spatial quad4 = null;


        // get the child quadrants
        for (int i = children.size(); --i >= 0;) {
            Spatial spat = children.get(i);
            int childQuadrant = 0;
            if (spat instanceof TerrainQuad) {
                childQuadrant = ((TerrainQuad) spat).getQuadrant();
            } else if (spat instanceof TerrainPatch) {
                childQuadrant = ((TerrainPatch) spat).getQuadrant();

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    protected TerrainPatch getPatch(int quad) {
        if (children != null)
            for (int x = children.size(); --x >= 0;) {
                Spatial child = children.get(x);
                if (child instanceof TerrainPatch) {
                    TerrainPatch tb = (TerrainPatch) child;
                    if (tb.getQuadrant() == quad)
                        return tb;
                }

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    protected TerrainQuad getQuad(int quad) {
        if (quad == 0)
            return this;
        if (children != null)
            for (int x = children.size(); --x >= 0;) {
                Spatial child = children.get(x);
                if (child instanceof TerrainQuad) {
                    TerrainQuad tq = (TerrainQuad) child;
                    if (tq.getQuadrant() == quad)
                        return tq;
                }

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            return;


        // go through the children and see if they collide with the affectedAreaBBox
        // if they do, then update their normals
        for (int x = children.size(); --x >= 0;) {
            Spatial child = children.get(x);
            if (child instanceof TerrainQuad) {
                if (affectedArea != null && affectedArea.intersects(((TerrainQuad) child).getWorldBound()) )
                    ((TerrainQuad) child).fixNormals(affectedArea);
            } else if (child instanceof TerrainPatch) {
                if (affectedArea != null && affectedArea.intersects(((TerrainPatch) child).getWorldBound()) )

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    protected void fixNormalEdges(BoundingBox affectedArea) {
        if (children == null)
            return;


        for (int x = children.size(); --x >= 0;) {
            Spatial child = children.get(x);
            if (child instanceof TerrainQuad) {
                if (affectedArea != null && affectedArea.intersects(((TerrainQuad) child).getWorldBound()) )
                    ((TerrainQuad) child).fixNormalEdges(affectedArea);
            } else if (child instanceof TerrainPatch) {
                if (affectedArea != null && !affectedArea.intersects(((TerrainPatch) child).getWorldBound()) ) // if doesn't intersect, continue

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