public boolean isInOctreeLeaf(Octant leaf) { // float radius = node.size() / 2f; if (Math.abs(node.x() - leaf.getPosX()) > (leaf.getSize() / 2) || Math.abs(node.y() - leaf.getPosY()) > (leaf.getSize() / 2) || Math.abs(node.z() - leaf.getPosZ()) > (leaf.getSize() / 2)) { return false; } return true; }
public int octreePosition(float centerX, float centerY, float centerZ, float size) { // float radius = obj.getRadius(); int index = 0; if (node.y() < centerY) { index += 4; } if (node.z() > centerZ) { index += 2; } if (node.x() < centerX) { index += 1; } return index; }
private void clampPosition(NodeModel nodeModel) { // Clamp Hack to avoid nodes to be outside octree float quantum = size / 2; Node node = nodeModel.getNode(); float x = node.x(); float y = node.y(); float z = node.z(); if (x > root.posX + quantum) { node.setX(root.posX + quantum); } else if (x < root.posX - quantum) { node.setX(root.posX - quantum); } if (y > root.posY + quantum) { node.setY(root.posY + quantum); } else if (y < root.posY - quantum) { node.setY(root.posY - quantum); } if (z > root.posZ + quantum) { node.setZ(root.posZ + quantum); } else if (z < root.posZ - quantum) { node.setZ(root.posZ - quantum); } }