public static void ApplyForce(this RoundBodyModel body, Time timeInterval = null)
{
timeInterval = timeInterval ?? DefaultTimeInterval;
var f = body.ResultForce.Value;
var m = body.Mass.Value;
var t = timeInterval.Value;
body.Acceleration.Value = f / m;
body.Speed.Value += body.Acceleration.Value * t;
body.CenterX.Value += body.Speed.Value.X * t + (body.Acceleration.Value.X * t * t) / 2;
body.CenterY.Value += body.Speed.Value.Y * t + (body.Acceleration.Value.Y * t * t) / 2;
}
public static List<BodiesPair> CalculateForces(this List<BodiesPair> pairs, List<RoundBodyModel> bodies, Time step)
{
using (PerformanceLogger.Track())
{
bodies.ForEach(x => x.ResultForce.Value = new Vector());
ParallelWork.DoWork(pairs, ParallelWork.CalculateGravityForceVectorsWork);
bodies.ForEach(x => x.ApplyForce(step));
return pairs;
}
}
public static void ApplyForce(this BodyWithMass body, Force force, Time time)
{
var s = body.Speed.Value;
var x = body.CenterX.Value;
var y = body.CenterY.Value;
var m = body.Mass.Value;
var t = time.Value;
var f = force.Value;
body.Acceleration.Value = f / m;
body.Speed.Value = s + body.Acceleration.Value * t;
body.CenterX.Value = x + body.Speed.Value.X * t + (body.Acceleration.Value.X * t * t) / 2;
body.CenterY.Value = y + body.Speed.Value.Y * t + (body.Acceleration.Value.Y * t * t) / 2;
}