public void Execute(Entity entity, int index, [ReadOnly] ref MassPoint_C mass, [ReadOnly] ref Translation translation)
{
for (int j = 0; j < gravtiySenders.Length; j++)
{
var same = sendertranslations[j].Value == translation.Value;
if (same.x && same.y && same.z)
{
continue;
}
double3 dir = math.normalize(sendertranslations[j].Value - translation.Value);
if (double.IsNaN(dir.x) || double.IsNaN(dir.y) || double.IsNaN(dir.z))
{
continue;
}
double distance = math.distance(sendertranslations[j].Value, translation.Value);
if (distance < 1)
{
distance = 1;
}
double power = mass.Mass * gravtiySenders[j].GravityMass * G * (1f / distance);
// 添加受力情况
Force_C force = new Force_C();
force.value = power * dir;
force.type = ForceType.Gravity;
force.time = double.MaxValue;
force.from = fromEntities[j];
force.to = entity;
concurrent.AddComponent(index, concurrent.CreateEntity(index), force);
}
}
public void Execute(Entity entity, int index, ref SimapleForceSender_C sender)
{
double t = deltime;
if (sender.time < t)
{
t = sender.time;
}
sender.time -= t;
if (sender.time <= 0)
{
concurrent.RemoveComponent(index, entity, typeof(SimapleForceSender_C));
concurrent.DestroyEntity(index, entity);
return;
}
Force_C f = new Force_C();
f.from = entity;
f.time = t;
f.to = sender.to;
f.value = sender.value;
f.type = sender.type;
var forceClone = concurrent.CreateEntity(index);
concurrent.AddComponent(index, forceClone, f);
//var senderClone = concurrent.Instantiate (index, entity);
//concurrent.SetComponent (index, senderClone, sender);
//concurrent.DestroyEntity (index, entity);
}
