public static void PhysicsString()
{
PhysicsManager mgr = new PhysicsManager();
Particle a = new Particle(1.0f)
{
IsAffectedByAirFriction = true
};
Particle b = new Particle(2.0f)
{
IsAffectedByAirFriction = true
};
StringJoint stringJ = new StringJoint(a, b, 1.0f, 100.0f, 0.15f);
mgr.PhysicsObjects.Add(a);
mgr.PhysicsObjects.Add(b);
mgr.PhysicsObjects.Add(stringJ);
a.Position = Game.LocalPlayer.Character.GetOffsetPosition(new Vector3(0f, 2.0f, 1.0f));
b.Position = Game.LocalPlayer.Character.GetOffsetPosition(new Vector3(0f, 3.25f, 1.0f));
Vector3 positionChange = new Vector3();
mgr.AfterSolve += () =>
{
if (positionChange != Vector3.Zero)
{
a.ApplyForce(positionChange);
}
};
while (true)
{
GameFiber.Yield();
positionChange = new Vector3();
const float moveValue = 25f;
if (Game.IsKeyDownRightNow(Keys.NumPad6))
{
positionChange.X += moveValue;
}
if (Game.IsKeyDownRightNow(Keys.NumPad4))
{
positionChange.X -= moveValue;
}
if (Game.IsKeyDownRightNow(Keys.NumPad8))
{
positionChange.Y -= moveValue;
}
if (Game.IsKeyDownRightNow(Keys.NumPad2))
{
positionChange.Y += moveValue;
}
if (Game.IsKeyDownRightNow(Keys.NumPad9))
{
positionChange.Z += moveValue;
}
if (Game.IsKeyDownRightNow(Keys.NumPad3))
{
positionChange.Z -= moveValue;
}
mgr.Update();
}
}
public static void PhysicsMultipleString()
{
const int particlesCount = 10;
PhysicsManager mgr = new PhysicsManager();
Vector3 firstParticlePos = Game.LocalPlayer.Character.GetOffsetPositionFront(0.225f);
List <Particle> particles = new List <Particle>(particlesCount);
for (int i = 0; i < particlesCount; i++)
{
Particle p = new Particle(1.0f)
{
IsAffectedByAirFriction = true, IsAffectedByGravity = i != 0
};
if (i == 0)
{
p.Pin(firstParticlePos);
}
else
{
p.Position = Game.LocalPlayer.Character.GetOffsetPosition(new Vector3(0f, 0.225f, i * -0.6f));
}
particles.Add(p);
}
List <StringJoint> springs = new List <StringJoint>(particlesCount - 1);
for (int i = 0; i < particlesCount - 1; i++)
{
StringJoint spring = new StringJoint(particles[i], particles[i + 1], 0.625f, 10.0f, 0.85f);
springs.Add(spring);
}
mgr.PhysicsObjects.AddRange(particles);
mgr.PhysicsObjects.AddRange(springs);
Vector3 positionChange = new Vector3();
mgr.AfterSimulate += (deltaTime) =>
{
if (positionChange != Vector3.Zero)
{
Vector3 v = (positionChange / particles[0].Mass) * deltaTime;
particles[0].Pin(particles[0].Position + v * deltaTime);
}
};
bool firstUpdate = true;
while (true)
{
GameFiber.Yield();
positionChange = new Vector3();
const float moveValue = 25f;
if (Game.IsKeyDownRightNow(Keys.NumPad6))
{
positionChange.X += moveValue;
}
if (Game.IsKeyDownRightNow(Keys.NumPad4))
{
positionChange.X -= moveValue;
}
if (Game.IsKeyDownRightNow(Keys.NumPad8))
{
positionChange.Y -= moveValue;
}
if (Game.IsKeyDownRightNow(Keys.NumPad2))
{
positionChange.Y += moveValue;
}
if (Game.IsKeyDownRightNow(Keys.NumPad9))
{
positionChange.Z += moveValue;
}
if (Game.IsKeyDownRightNow(Keys.NumPad3))
{
positionChange.Z -= moveValue;
}
mgr.Update();
if (firstUpdate)
{
for (int i = 0; i < particlesCount; i++)
{
particles[i].Velocity = Vector3.Zero;
}
firstUpdate = false;
}
}
}
