use of org.rajawali3d.ATransformable3D in project Rajawali by Rajawali.
the class A_nAABBTree method grow.
/**
* Grows the tree.
*/
protected void grow() {
RajLog.d("[" + this.getClass().getName() + "] Growing tree: " + this);
Vector3 min = new Vector3(Float.MAX_VALUE, Float.MAX_VALUE, Float.MAX_VALUE);
Vector3 max = new Vector3(-Float.MAX_VALUE, -Float.MAX_VALUE, -Float.MAX_VALUE);
//Get a full list of all the members, including members in the children
ArrayList<IGraphNodeMember> members = getAllMembersRecursively(true);
int members_count = members.size();
for (int i = 0; i < members_count; ++i) {
IBoundingVolume volume = members.get(i).getTransformedBoundingVolume();
Vector3 test_against_min = null;
Vector3 test_against_max = null;
if (volume == null) {
ATransformable3D object = (ATransformable3D) members.get(i);
test_against_min = object.getPosition();
test_against_max = test_against_min;
} else {
if (volume instanceof BoundingBox) {
BoundingBox bb = (BoundingBox) volume;
test_against_min = bb.getTransformedMin();
test_against_max = bb.getTransformedMax();
} else if (volume instanceof BoundingSphere) {
BoundingSphere bs = (BoundingSphere) volume;
Vector3 bs_position = bs.getPosition();
double radius = bs.getScaledRadius();
Vector3 rad = new Vector3();
rad.setAll(radius, radius, radius);
test_against_min = Vector3.subtractAndCreate(bs_position, rad);
test_against_max = Vector3.addAndCreate(bs_position, rad);
} else {
RajLog.e("[" + this.getClass().getName() + "] Received a bounding box of unknown type.");
throw new IllegalArgumentException("Received a bounding box of unknown type.");
}
}
if (test_against_min != null && test_against_max != null) {
if (test_against_min.x < min.x)
min.x = test_against_min.x;
if (test_against_min.y < min.y)
min.y = test_against_min.y;
if (test_against_min.z < min.z)
min.z = test_against_min.z;
if (test_against_max.x > max.x)
max.x = test_against_max.x;
if (test_against_max.y > max.y)
max.y = test_against_max.y;
if (test_against_max.z > max.z)
max.z = test_against_max.z;
}
}
mMin.setAll(min);
mMax.setAll(max);
mTransformedMin.setAll(min);
mTransformedMax.setAll(max);
calculatePoints();
calculateChildSideLengths();
if (mSplit) {
for (int i = 0; i < CHILD_COUNT; ++i) {
((Octree) mChildren[i]).setChildRegion(i, mChildLengths);
}
}
for (int i = 0; i < members_count; ++i) {
internalAddObject(members.get(i));
}
}
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