// TODO: Minimize allocations somehow.
protected override void OnUpdate()
{
_bhTree = new BarnesHutTree(new float3(-32, -32, -32), new float3(32, 32, 32)); // tree is rebuilt every update.
Entities.ForEach((in Entity entity, in PhysicsMass mass, in Translation translation) =>
{
_bhTree.AddEntityToTree(entity, 1f / mass.InverseMass, translation.Value);
}).WithoutBurst().Run();
private void CPUGravityCalculations()
{
var BHTree = BarnesHutTree.CreateTree(Objects, this.transform.position, 200);
foreach (var body in Objects)
{
BHTree.CalculateForces(body, 1f);
}
}
