public void ApplyPhysics(TimeSpan delta)
{
foreach (var C1 in Components)
{
if (!C1.HasPhysics)
{
continue;
}
C1.Start();
//C1.ApplyForce(new Vector2(0,9f));
foreach (var C2 in Components)
{
if (C1 == C2)
{
continue;
}
var force = C2.Component.BoundingRectangle.Center -
C1.Component.BoundingRectangle.Center;
var d = force.LengthSquared();
force = Vector2.Normalize(force);
var strength = 0.5f * C1.Mass * C2.Mass / d;
force *= strength;
C1.ApplyForce(force);
}
C1.ApplyFriction();
C1.ApplyAcceleration(delta);
var distance = C1.ApplyVelocity(delta);
var newPrimitive = C1.Component.BoundingRectangle.Translate(distance);
if (Components.Any(c =>
C1 != c && c.HasCollisions && c.Component.BoundingRectangle.CollidesWith(newPrimitive)))
{
C1.Velocity *= -0.9f;
}
distance = C1.ApplyVelocity(delta);
C1.Component.Translate(distance);
}
}