Examples with BoundingBox net.drewke.tdme.engine.primitives.BoundingBox used on opensource projects

Example 11 with BoundingBox

use of net.drewke.tdme.engine.primitives.BoundingBox in project tdme by andreasdr.

the class EntityBoundingVolumeView method resetBoundingVolume.

/**
	 * Reset bounding volume
	 * @param entity
	 * @param idx
	 */
public void resetBoundingVolume(LevelEditorEntity entity, int idx) {
    // determine AABB
    BoundingBox aabb = null;
    // if we have a model we also have a AABB
    if (entity.getModel() != null) {
        aabb = entity.getModel().getBoundingBox();
    } else {
        // otherwise just create one for now
        // this applies currently for particle systems
        // TODO: check if particle system
        aabb = new BoundingBox(new Vector3(-0.5f, 0f, -0.5f), new Vector3(0.5f, 3f, 0.5f));
    }
    // set up oriented bounding box
    OrientedBoundingBox obb = new OrientedBoundingBox(aabb);
    // set up sphere
    modelViewerScreenController.setupSphere(idx, obb.getCenter(), obb.getHalfExtension().computeLength());
    // set up capsule
    {
        Vector3 a = new Vector3();
        Vector3 b = new Vector3();
        float radius = 0.0f;
        float[] halfExtensionXYZ = obb.getHalfExtension().getArray();
        // determine a, b
        if (halfExtensionXYZ[0] > halfExtensionXYZ[1] && halfExtensionXYZ[0] > halfExtensionXYZ[2]) {
            radius = (float) Math.sqrt(halfExtensionXYZ[1] * halfExtensionXYZ[1] + halfExtensionXYZ[2] * halfExtensionXYZ[2]);
            a.set(obb.getAxes()[0]);
            a.scale(-(halfExtensionXYZ[0] - radius));
            a.add(obb.getCenter());
            b.set(obb.getAxes()[0]);
            b.scale(+(halfExtensionXYZ[0] - radius));
            b.add(obb.getCenter());
        } else if (halfExtensionXYZ[1] > halfExtensionXYZ[0] && halfExtensionXYZ[1] > halfExtensionXYZ[2]) {
            radius = (float) Math.sqrt(halfExtensionXYZ[0] * halfExtensionXYZ[0] + halfExtensionXYZ[2] * halfExtensionXYZ[2]);
            a.set(obb.getAxes()[1]);
            a.scale(-(halfExtensionXYZ[1] - radius));
            a.add(obb.getCenter());
            b.set(obb.getAxes()[1]);
            b.scale(+(halfExtensionXYZ[1] - radius));
            b.add(obb.getCenter());
        } else {
            radius = (float) Math.sqrt(halfExtensionXYZ[0] * halfExtensionXYZ[0] + halfExtensionXYZ[1] * halfExtensionXYZ[1]);
            a.set(obb.getAxes()[2]);
            a.scale(-(halfExtensionXYZ[2] - radius));
            a.add(obb.getCenter());
            b.set(obb.getAxes()[2]);
            b.scale(+(halfExtensionXYZ[2] - radius));
            b.add(obb.getCenter());
        }
        // setup capsule
        modelViewerScreenController.setupCapsule(idx, a, b, radius);
    }
    // set up AABB bounding box
    modelViewerScreenController.setupBoundingBox(idx, aabb.getMin(), aabb.getMax());
    // set up oriented bounding box
    modelViewerScreenController.setupOrientedBoundingBox(idx, obb.getCenter(), obb.getAxes()[0], obb.getAxes()[1], obb.getAxes()[2], obb.getHalfExtension());
    //
    modelViewerScreenController.selectBoundingVolume(idx, EntityBoundingVolumeSubScreenController.BoundingVolumeType.NONE);
}

Example 12 with BoundingBox

use of net.drewke.tdme.engine.primitives.BoundingBox in project tdme by andreasdr.

the class TMReader method read.

/**
	 * TDME model format reader
	 * @param path name
	 * @param file name
	 * @throws IOException
	 * @throws ModelIOException
	 * @return model
	 */
public static Model read(String pathName, String fileName) throws IOException, ModelFileIOException {
    InputStream is = null;
    try {
        is = FileSystem.getInstance().getInputStream(pathName, fileName);
        // version major.minor = 1.0
        String fileId = readString(is);
        if (fileId == null || fileId.equals("TDME Model") == false) {
            throw new ModelFileIOException("File is not a TDME model file, file id = '" + fileId + "'");
        }
        byte[] version = new byte[3];
        version[0] = readByte(is);
        version[1] = readByte(is);
        version[2] = readByte(is);
        if (version[0] != 1 || version[1] != 0 || version[2] != 0) {
            throw new ModelFileIOException("Version mismatch, should be 1.0.0, but is " + version[0] + "." + version[1] + "." + version[2]);
        }
        // meta data
        String name = readString(is);
        // up vector, rotation order, bounding box
        UpVector upVector = UpVector.valueOf(readString(is));
        RotationOrder rotationOrder = RotationOrder.valueOf(readString(is));
        BoundingBox boundingBox = new BoundingBox(new Vector3(readFloatArray(is)), new Vector3(readFloatArray(is)));
        // 	create object
        Model model = new Model(pathName + File.separator + fileName, fileName, upVector, rotationOrder, boundingBox);
        // set additional data
        model.setFPS(readFloat(is));
        model.getImportTransformationsMatrix().set(readFloatArray(is));
        // materials
        int materialCount = readInt(is);
        for (int i = 0; i < materialCount; i++) {
            Material material = readMaterial(is);
            model.getMaterials().put(material.getId(), material);
        }
        // sub groups
        readSubGroups(is, model, null, model.getSubGroups());
        //
        return model;
    } catch (IOException ioe) {
        throw ioe;
    } catch (ModelFileIOException mfioe) {
        throw mfioe;
    } finally {
        if (is != null) {
            is.close();
        }
    }
}

Example 13 with BoundingBox

use of net.drewke.tdme.engine.primitives.BoundingBox in project tdme by andreasdr.

the class PartitionQuadTree method createPartition.

/**
	 * Creates a partition
	 * @param parent
	 * @param x
	 * @param y
	 * @param z
	 * @param partition size
	 * @return partition tree node
	 */
public PartitionTreeNode createPartition(PartitionTreeNode parent, int x, int y, int z, float partitionSize) {
    PartitionTreeNode node;
    node = new PartitionTreeNode();
    node.partitionSize = partitionSize;
    node.x = x;
    node.y = y;
    node.z = z;
    node.parent = parent;
    node.bv = new BoundingBox(new Vector3(x * partitionSize, y * partitionSize, z * partitionSize), new Vector3(x * partitionSize + partitionSize, y * partitionSize + partitionSize, z * partitionSize + partitionSize));
    // System.out.println(this.hashCode() + ":" + "FrumstumPartition::createPartition()::" + node.bv);
    node.subNodes = null;
    node.subNodesByCoordinate = null;
    node.partitionObjects = null;
    // register in parent sub nodes
    if (parent.subNodes == null) {
        parent.subNodes = new ArrayList<PartitionTreeNode>();
    }
    parent.subNodes.add(node);
    // register in parent sub nodes by coordinate 
    if (parent.subNodesByCoordinate == null) {
        parent.subNodesByCoordinate = new HashMap<Key, PartitionTreeNode>();
    }
    Key key = new Key();
    key.reset();
    key.append(node.x);
    key.append(",");
    key.append(node.y);
    key.append(",");
    key.append(node.z);
    parent.subNodesByCoordinate.put(key, node);
    // create sub nodes
    if (partitionSize > PARTITION_SIZE_MIN) {
        for (int _y = 0; _y < 2; _y++) for (int _x = 0; _x < 2; _x++) for (int _z = 0; _z < 2; _z++) {
            createPartition(node, (int) ((x * partitionSize) / (partitionSize / 2f)) + _x, (int) ((y * partitionSize) / (partitionSize / 2f)) + _y, (int) ((z * partitionSize) / (partitionSize / 2f)) + _z, partitionSize / 2f);
        }
    } else {
        node.partitionObjects = new ArrayList<Entity>();
    }
    //
    return node;
}