public void Spawn(Vector2 position)
{
for (int j = 0; j < Count; j++)
{
LockstepNetwork.Instance.SendInput(CommandTag.Spawn, new SpawnCommand
{
EntityConfigId = RTSSimulator.Instance.EntityDatabase.Entities.IndexOf(Prefab),
Position = position
});
}
}
public void Spawn(Vector2 position)
{
for (int j = 0; j < Count; j++)
{
RTSNetworkedSimulation.Instance.Execute(new SpawnCommand
{
EntityConfigId = EntityDatabase.Entities.IndexOf(Prefab),
Position = position
});
}
}
// Update is called once per frame
void Update()
{
if (cc != null)
{
BEPUutilities.Vector2 totalMovement = BEPUutilities.Vector2.Zero;
if (Input.GetKey(KeyCode.S))
{
totalMovement += new BEPUutilities.Vector2(0, 1);
}
if (Input.GetKey(KeyCode.W))
{
totalMovement += new BEPUutilities.Vector2(0, -1);
}
if (Input.GetKey(KeyCode.A))
{
totalMovement += new BEPUutilities.Vector2(-1, 0);
}
if (Input.GetKey(KeyCode.D))
{
totalMovement += new BEPUutilities.Vector2(1, 0);
}
if (Input.GetKey(KeyCode.Space))
{
cc.Jump();
}
if (totalMovement == BEPUutilities.Vector2.Zero)
{
cc.HorizontalMotionConstraint.MovementDirection = BEPUutilities.Vector2.Zero;
}
else
{
cc.HorizontalMotionConstraint.MovementDirection = BEPUutilities.Vector2.Normalize(totalMovement);
}
transform.position = new Vector3(cc.Body.position.X, cc.Body.position.Y, cc.Body.position.Z);
}
}
public void OnPosition(GameEntity entity, BEPUutilities.Vector2 newPosition)
{
transform.position = new Vector3((float)newPosition.X, 1, (float)newPosition.Y);
}
public bool RayCast(Bone bone, Ray ray, out RayHit hit)
{
var transform = new RigidTransform(bone.Position, bone.Orientation);
//Put the ray into local space.
Quaternion conjugate;
Quaternion.Conjugate(ref transform.Orientation, out conjugate);
Ray localRay;
Vector3.Subtract(ref ray.Position, ref transform.Position, out localRay.Position);
Quaternion.Transform(ref localRay.Position, ref conjugate, out localRay.Position);
Quaternion.Transform(ref ray.Direction, ref conjugate, out localRay.Direction);
var halfHeight = bone.HalfHeight;
var radius = bone.Radius;
//Check for containment.
if (localRay.Position.Y >= -halfHeight && localRay.Position.Y <= halfHeight && localRay.Position.X * localRay.Position.X + localRay.Position.Z * localRay.Position.Z <= radius * radius)
{
//It's inside!
hit.T = 0;
hit.Location = localRay.Position;
hit.Normal = new Vector3(hit.Location.X, 0, hit.Location.Z);
float normalLengthSquared = hit.Normal.LengthSquared();
if (normalLengthSquared > 1e-9f)
Vector3.Divide(ref hit.Normal, (float)Math.Sqrt(normalLengthSquared), out hit.Normal);
else
hit.Normal = new Vector3();
//Pull the hit into world space.
Quaternion.Transform(ref hit.Normal, ref transform.Orientation, out hit.Normal);
RigidTransform.Transform(ref hit.Location, ref transform, out hit.Location);
return true;
}
//Project the ray direction onto the plane where the cylinder is a circle.
//The projected ray is then tested against the circle to compute the time of impact.
//That time of impact is used to compute the 3d hit location.
Vector2 planeDirection = new Vector2(localRay.Direction.X, localRay.Direction.Z);
float planeDirectionLengthSquared = planeDirection.LengthSquared();
if (planeDirectionLengthSquared < Toolbox.Epsilon)
{
//The ray is nearly parallel with the axis.
//Skip the cylinder-sides test. We're either inside the cylinder and won't hit the sides, or we're outside
//and won't hit the sides.
if (localRay.Position.Y > halfHeight)
goto upperTest;
if (localRay.Position.Y < -halfHeight)
goto lowerTest;
hit = new RayHit();
return false;
}
Vector2 planeOrigin = new Vector2(localRay.Position.X, localRay.Position.Z);
float dot;
Vector2.Dot(ref planeDirection, ref planeOrigin, out dot);
float closestToCenterT = -dot / planeDirectionLengthSquared;
Vector2 closestPoint;
Vector2.Multiply(ref planeDirection, closestToCenterT, out closestPoint);
Vector2.Add(ref planeOrigin, ref closestPoint, out closestPoint);
//How close does the ray come to the circle?
float squaredDistance = closestPoint.LengthSquared();
if (squaredDistance > radius * radius)
{
//It's too far! The ray cannot possibly hit the capsule.
hit = new RayHit();
return false;
}
//With the squared distance, compute the distance backward along the ray from the closest point on the ray to the axis.
float backwardsDistance = radius * (float)Math.Sqrt(1 - squaredDistance / (radius * radius));
float tOffset = backwardsDistance / (float)Math.Sqrt(planeDirectionLengthSquared);
hit.T = closestToCenterT - tOffset;
//Compute the impact point on the infinite cylinder in 3d local space.
Vector3.Multiply(ref localRay.Direction, hit.T, out hit.Location);
Vector3.Add(ref hit.Location, ref localRay.Position, out hit.Location);
//Is it intersecting the cylindrical portion of the capsule?
if (hit.Location.Y <= halfHeight && hit.Location.Y >= -halfHeight)
{
//Yup!
hit.Normal = new Vector3(hit.Location.X, 0, hit.Location.Z);
float normalLengthSquared = hit.Normal.LengthSquared();
if (normalLengthSquared > 1e-9f)
Vector3.Divide(ref hit.Normal, (float)Math.Sqrt(normalLengthSquared), out hit.Normal);
else
hit.Normal = new Vector3();
//Pull the hit into world space.
Quaternion.Transform(ref hit.Normal, ref transform.Orientation, out hit.Normal);
RigidTransform.Transform(ref hit.Location, ref transform, out hit.Location);
return true;
}
if (hit.Location.Y < halfHeight)
goto lowerTest;
upperTest:
//Nope! It may be intersecting the ends of the cylinder though.
//We're above the cylinder, so cast a ray against the upper cap.
if (localRay.Direction.Y > -1e-9)
{
//Can't hit the upper cap if the ray isn't pointing down.
hit = new RayHit();
return false;
}
float t = (halfHeight - localRay.Position.Y) / localRay.Direction.Y;
Vector3 planeIntersection;
Vector3.Multiply(ref localRay.Direction, t, out planeIntersection);
Vector3.Add(ref localRay.Position, ref planeIntersection, out planeIntersection);
if (planeIntersection.X * planeIntersection.X + planeIntersection.Z * planeIntersection.Z < radius * radius + 1e-9)
{
//Pull the hit into world space.
Quaternion.Transform(ref Toolbox.UpVector, ref transform.Orientation, out hit.Normal);
RigidTransform.Transform(ref planeIntersection, ref transform, out hit.Location);
hit.T = t;
return true;
}
//No intersection! We can't be hitting the other sphere, so it's over!
hit = new RayHit();
return false;
lowerTest:
//Is it intersecting the bottom cap?
if (localRay.Direction.Y < 1e-9)
{
//Can't hit the bottom cap if the ray isn't pointing up.
hit = new RayHit();
return false;
}
t = (-halfHeight - localRay.Position.Y) / localRay.Direction.Y;
Vector3.Multiply(ref localRay.Direction, t, out planeIntersection);
Vector3.Add(ref localRay.Position, ref planeIntersection, out planeIntersection);
if (planeIntersection.X * planeIntersection.X + planeIntersection.Z * planeIntersection.Z < radius * radius + 1e-9)
{
//Pull the hit into world space.
Quaternion.Transform(ref Toolbox.DownVector, ref transform.Orientation, out hit.Normal);
RigidTransform.Transform(ref planeIntersection, ref transform, out hit.Location);
hit.T = t;
return true;
}
//No intersection! We can't be hitting the other sphere, so it's over!
hit = new RayHit();
return false;
}
public static ref BEPUutilities.Vector2 CopyTo(this Vector3 vec, ref BEPUutilities.Vector2 toVec)
{
toVec.X = vec.x;
toVec.Y = -vec.z;
return(ref toVec);
}
