Examples of com.ardor3d.bounding.BoundingBox

com.ardor3d.bounding.BoundingBox
BoundingBox defines an axis-aligned cube that defines a container for a group of vertices of a particular piece of geometry. This box defines a center and extents from that center along the x, y and z axis.

A typical usage is to allow the class define the center and radius by calling either containAABB or averagePoints. A call to computeFramePoint in turn calls containAABB.


        UIComponent.setUseTransparency(true);


        // Add a spinning 3D box to show behind UI.
        final Box box = new Box("Box", new Vector3(0, 0, 0), 5, 5, 5);
        box.setModelBound(new BoundingBox());
        box.setTranslation(new Vector3(0, 0, -15));
        box.addController(new SpatialController<Box>() {
            private final Matrix3 rotate = new Matrix3();
            private double angle = 0;
            private final Vector3 axis = new Vector3(1, 1, 0.5f).normalizeLocal();

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        block.numOfVertices = voxelCounter;


        Vector3 center = basePosition;
        double halfSize = pool.getLevel().getScale() * VoxelWorld.BLOCK_SIZE / 2.0;
        center.addLocal(halfSize, halfSize, halfSize);
        mesh.setModelBound(new BoundingBox(center, halfSize, halfSize, halfSize));


        block.getVoxelNode().attachChild(mesh);
        
        //////////GRASS///////////////////
        if (pool.getLevel().getLevelID() == 0) {
            int numOfGrasses = verticesWithGrass.size();


            Mesh grassMesh = new Mesh();
            MeshData grassMeshData = grassMesh.getMeshData();


            FloatBuffer grassVertexBuffer = BufferUtils.createVector3Buffer(numOfGrasses * 4);
            IntBuffer grassIndexBuffer = BufferUtils.createIntBuffer(numOfGrasses * 6);
            FloatBuffer grassNormalBuffer = BufferUtils.createVector3Buffer(numOfGrasses * 4);
            FloatBuffer grassTexCoordBuffer = BufferUtils.createVector2Buffer(numOfGrasses * 4);
            //FloatBuffer grassBasePositionBuffer = BufferUtils.createVector2Buffer(numOfGrasses * 4);
            for (int i=0, size = verticesWithGrass.size(); i<size; i++) {


                int i3 = verticesWithGrass.get(i) * 3;
                int i4 = i * 4;


                float topY = 2.5f + (float) Math.random();
                float bottomY = -0.1f;
                float halfEidth = 1.5f + (float) Math.random();


                //double alpha = Math.random()*Math.PI;
                //float offsetX = (FastMath.sin(alpha) * halfEidth);
                //float offsetZ = (float)(FastMath.cos(alpha) * halfEidth);
 
                float offsetX = (float)Math.random()-0.5f;
                float offsetZ = (float)Math.random()-0.5f;
 
                grassVertexBuffer.put(vertexBuffer.get(i3 +0) + offsetX);
                grassVertexBuffer.put(vertexBuffer.get(i3 +1) + bottomY);
                grassVertexBuffer.put(vertexBuffer.get(i3 +2) + offsetZ);


                grassVertexBuffer.put(vertexBuffer.get(i3 +0) + offsetX);
                grassVertexBuffer.put(vertexBuffer.get(i3 +1) + topY);
                grassVertexBuffer.put(vertexBuffer.get(i3 +2) + offsetZ);


                grassVertexBuffer.put(vertexBuffer.get(i3 +0) + offsetX);
                grassVertexBuffer.put(vertexBuffer.get(i3 +1) + topY);
                grassVertexBuffer.put(vertexBuffer.get(i3 +2) + offsetZ);


                grassVertexBuffer.put(vertexBuffer.get(i3 +0) + offsetX);
                grassVertexBuffer.put(vertexBuffer.get(i3 +1) + bottomY);
                grassVertexBuffer.put(vertexBuffer.get(i3 +2) + offsetZ);
                
                /*grassVertexBuffer.put(vertexBuffer.get(i3 +0) + offsetX);
                grassVertexBuffer.put(vertexBuffer.get(i3 +1) + bottomY);
                grassVertexBuffer.put(vertexBuffer.get(i3 +2) + offsetZ);


                grassVertexBuffer.put(vertexBuffer.get(i3 +0) + offsetX);
                grassVertexBuffer.put(vertexBuffer.get(i3 +1) + topY);
                grassVertexBuffer.put(vertexBuffer.get(i3 +2) + offsetZ);


                grassVertexBuffer.put(vertexBuffer.get(i3 +0) - offsetX);
                grassVertexBuffer.put(vertexBuffer.get(i3 +1) + topY);
                grassVertexBuffer.put(vertexBuffer.get(i3 +2) - offsetZ);


                grassVertexBuffer.put(vertexBuffer.get(i3 +0) - offsetX);
                grassVertexBuffer.put(vertexBuffer.get(i3 +1) + bottomY);
                grassVertexBuffer.put(vertexBuffer.get(i3 +2) - offsetZ);*/


                float nx = normalBuffer.get(i3 +0);
                float ny = normalBuffer.get(i3 +1);
                float nz = normalBuffer.get(i3 +2);


                grassNormalBuffer.put(nx);
                grassNormalBuffer.put(ny);
                grassNormalBuffer.put(nz);  
                grassNormalBuffer.put(nx);
                grassNormalBuffer.put(ny);
                grassNormalBuffer.put(nz);  
                grassNormalBuffer.put(nx);
                grassNormalBuffer.put(ny);
                grassNormalBuffer.put(nz);  
                grassNormalBuffer.put(nx);
                grassNormalBuffer.put(ny);
                grassNormalBuffer.put(nz);  




                grassTexCoordBuffer.put(0);
                grassTexCoordBuffer.put(0);
                grassTexCoordBuffer.put(0);
                grassTexCoordBuffer.put(1);
                grassTexCoordBuffer.put(1);
                grassTexCoordBuffer.put(1);
                grassTexCoordBuffer.put(1);
                grassTexCoordBuffer.put(0);


                grassIndexBuffer.put(i4);
                grassIndexBuffer.put(i4+1);
                grassIndexBuffer.put(i4+2);
                grassIndexBuffer.put(i4);
                grassIndexBuffer.put(i4+2);
                grassIndexBuffer.put(i4+3);           
            }


            //grassIndexBuffer.rewind();
            //colorBuffer.flip();


            grassMeshData.setVertexBuffer(grassVertexBuffer);
            grassMeshData.setIndexBuffer(grassIndexBuffer);
            grassMeshData.setNormalBuffer(grassNormalBuffer);
            grassMeshData.setTextureBuffer(grassTexCoordBuffer,0);


            grassMesh.setModelBound(new BoundingBox(center, halfSize, halfSize, halfSize));


            block.getGrassNode().attachChild(grassMesh);            
        }

View Full Code Here

    public void initBox(){
            
            // Create a new box centered at (0,0,0) with width/height/depth of size 10.
            box = new Box("Box", new Vector3(0, 0, 0), 5, 5, 5);
            // Set a bounding box for frustum culling.
            box.setModelBound(new BoundingBox());
            // Move the box out from the camera 15 units.
            box.setTranslation(new Vector3(0, 0, 0));
            // Give the box some nice colors.
            box.setSolidColor(ColorRGBA.BLUE);
            // Attach the box to the scenegraph root.

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    public Terrain(final Camera camera, final List<TerrainCache> cacheList, final int clipSideSize,
            final TerrainConfiguration terrainConfiguration) {
        _terrainCamera = camera;
        _clipSideSize = clipSideSize;


        _worldBound = new BoundingBox(Vector3.ZERO, Double.POSITIVE_INFINITY, Double.POSITIVE_INFINITY,
                Double.POSITIVE_INFINITY);


        getSceneHints().setRenderBucketType(RenderBucketType.Opaque);
        final CullState cs = new CullState();
        cs.setEnabled(true);

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    private final Vector3 _boundsCenter = new Vector3();
    private final Vector3 _boundsExtents = new Vector3();


    @Override
    public void updateWorldBound(final boolean recurse) {
        final BoundingBox worldBound = (BoundingBox) _worldBound;
        final Vector3 center = _boundsCenter.set(_terrainCamera.getLocation());
        final double distanceToEdge = _clipSideSize * MathUtils.pow2(_clips.size() - 1) * 0.5;
        final double heightScale = _clips.get(0).getHeightScale();
        final double heightMin = _clips.get(0).getHeightRangeMin() * heightScale;
        final double heightMax = _clips.get(0).getHeightRangeMax() * heightScale;


        final Vector3 extents = _boundsExtents.set(distanceToEdge, (heightMax - heightMin) * 0.5, distanceToEdge);
        worldToLocal(center, center);
        worldBound.setXExtent(extents.getX());
        worldBound.setYExtent(extents.getY());
        worldBound.setZExtent(extents.getZ());
        worldBound.setCenter(center.getX(), (heightMax + heightMin) * 0.5, center.getZ());
        worldBound.transform(_worldTransform, worldBound);
        clearDirty(DirtyType.Bounding);
    }

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        for (int i = 0; i < _corners.length; i++) {
            _corners[i].set(center);
        }


        if (sceneBounds instanceof BoundingBox) {
            final BoundingBox bbox = (BoundingBox) sceneBounds;
            bbox.getExtent(_extents);
        } else if (sceneBounds instanceof BoundingSphere) {
            final BoundingSphere bsphere = (BoundingSphere) sceneBounds;
            _extents.set(bsphere.getRadius(), bsphere.getRadius(), bsphere.getRadius());
        }

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        _texture = new Texture2D();


        _imposterQuad = new Quad("ImposterQuad");
        _imposterQuad.resize(1, 1);
        _imposterQuad.setModelBound(new BoundingBox());
        _imposterQuad.getSceneHints().setTextureCombineMode(TextureCombineMode.Replace);
        _imposterQuad.getSceneHints().setLightCombineMode(LightCombineMode.Off);
        super.attachChild(_imposterQuad);


        getSceneHints().setRenderBucketType(RenderBucketType.Transparent);

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        for (int i = 0; i < _corners.length; i++) {
            _corners[i].set(_center);
        }


        if (worldBound instanceof BoundingBox) {
            final BoundingBox bbox = (BoundingBox) worldBound;
            bbox.getExtent(_extents);
        } else if (worldBound instanceof BoundingSphere) {
            final BoundingSphere bsphere = (BoundingSphere) worldBound;
            _extents.set(bsphere.getRadius(), bsphere.getRadius(), bsphere.getRadius());
        }

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                }
            }


            // Clone frame 0 as mesh for initial mesh
            final Mesh mesh = meshes[0].makeCopy(false);
            mesh.setModelBound(new BoundingBox());


            // Use resource name for mesh
            mesh.setName(resource.getName());


            // Add controller

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    private void initExample() {
        // Make a box...
        final Box _box = new Box("Box", Vector3.ZERO, 5, 5, 5);


        // Setup a bounding box for it -- updateModelBound is called automatically internally.
        _box.setModelBound(new BoundingBox());


        // Set its location in space.
        _box.setTranslation(new Vector3(0, 0, -25));


        // Add to root.

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