// This is a lot of complex math on choosing some "random" movement, keeping it near home and handling error cases.
private void Movement(float speed, float chaos)
{
// Initialize a random number generator.
Random rng = new Random();
// Pick a direction to start with - mostly in the X/Y plane, but just a little push up.
Direction = new Sansar.Vector((float)(0.5 - rng.NextDouble()), (float)(0.5 - rng.NextDouble()), 0.02f, 0.0f);
// This will just continually try to move the object (the Wait at the bottom is important!)
while (true)
{
// Calculate how far we are from our home point.
float distance = (RigidBody.GetPosition() - Home).Length();
// Pick a new direction based on Chaos level, or if we have wandered off too far
if (rng.NextDouble() <= Chaos || distance > Range)
{
// If we are far from home point us at home before adjusting the position.
if (distance > Range)
{
// Move toward the center.
Direction = (Home - RigidBody.GetPosition()).Normalized();
// Note: still letting the randomize adjust the heading.
}
// This is the most bogus direction adjusting logic you will see today.
Direction.X = Direction.X + (float)(0.5 - rng.NextDouble());
Direction.Y = Direction.Y + (float)(0.5 - rng.NextDouble());
Direction.Z = 0.02f;
Direction = Direction.Normalized();
}
// AddLinearImpulse can be picky on accepted values, especially if any math above breaks or the speed is set too high.
// It will throw an exception if it doesn't like it. This will just skip
try
{
Log.Write("PUSH! " + Direction.ToString() + " * " + speed + " => " + (Direction * speed).ToString());
RigidBody.AddLinearImpulse(Direction * speed);
}
catch (Exception e)
{
Log.Write("Exception " + e.GetType().ToString() + " in AddLinearImpulse for value: " + (Direction * speed).ToString());
// That direction was bad, so lets choose a new one.
Direction.X = (float)(0.5 - rng.NextDouble());
Direction.Y = (float)(0.5 - rng.NextDouble());
Direction.Z = 0.02f;
Direction = Direction.Normalized();
}
// Wait after each push for between 0.5 and 1.5 seconds.
Wait(TimeSpan.FromSeconds(0.5 + rng.NextDouble()));
}
}
// Putting the collision event into a coroutine helps to reduce duplicate events
// After every collision we give a small bump then sleep this coroutine before waiting on another collision.
// An Action event handler would get a large queue of events for colliding with the same object which is harder to deal with.
private void CheckForCollisions()
{
while (true)
{
// This will block the coroutine until a collision happens
CollisionData data = (CollisionData)WaitFor(RigidBody.Subscribe, CollisionEventType.AllCollisions, Sansar.Script.ComponentId.Invalid);
if (data.HitObject == null)
{
// This is slightly more common, collided with something were no object was given from the physics system.
// Again, just sleep a little and continue.
Log.Write("Hit nothing? " + data.HitComponentId);
Wait(TimeSpan.FromSeconds(0.2));
continue;
}
// This position - collision object position gives a vector away from the object we collided with.
// This is not "away from the collision point". Complex shapes or large objects will confuse this simple math.
Sansar.Vector direction = ObjectPrivate.Position - data.HitObject.Position;
direction = direction.Normalized();
if (Math.Abs(direction.X) < 0.1 && Math.Abs(direction.Y) < 0.1)
{
// This object is mostly above or below us: it is probably the floor.
// This is overly simplistic and will fail for large objects or sloped floors.
// Sleep a little and continue.
Wait(TimeSpan.FromSeconds(0.2));
continue;
}
// direction is now pointing _away_ from what we collided with, set it as our Direction for Movement.
Direction = direction;
try
{
// Apply an immediate bump away from what we collided with.
Log.Write("Bump! " + Direction.ToString() + " * " + Speed + " => " + (Direction * Speed).ToString());
RigidBody.AddLinearImpulse(Direction * Speed);
}
catch (Exception e)
{
Log.Write("Collision Exception " + e.GetType().ToString() + " in AddLinearImpulse for value: " + (Direction * Speed).ToString());
}
// Wait before checking for more collisions to avoid duplicate collisions and give a chance to separate from the other object.
Wait(TimeSpan.FromSeconds(0.2));
}
}
private void SetRandomColorAndIntensityOfAllLights()
{
foreach (var light in lights)
{
// Pick a random color but don't let it be too dark or else the relative intensity doesn't work well
Sansar.Vector randomVector = new Sansar.Vector((float)rnd.NextDouble(), (float)rnd.NextDouble(), (float)rnd.NextDouble());
if (randomVector.LengthSquared() < 0.5f)
{
randomVector = randomVector.Normalized();
}
Sansar.Color randomColor = new Sansar.Color(randomVector.X, randomVector.Y, randomVector.Z);
// Pick a random intensity from min to max
float randomIntensity = randomMinIntensity + (randomMaxIntensity - randomMinIntensity) * (float)rnd.NextDouble();
light.SetColorAndIntensity(randomColor, randomIntensity);
}
}
public void OnFire(AnimationComponent animationComponent)
{
if (RezThrottled == true)
{ // TODO: Play a "click" / misfire sound.
return;
}
ObjectPrivate characterObject = ScenePrivate.FindObject(animationComponent.ComponentId.ObjectId);
if (Fire_Sound != null)
{
ScenePrivate.PlaySoundAtPosition(Fire_Sound, characterObject.Position, SoundSettings);
}
Sansar.Vector cameraForward = animationComponent.GetVectorAnimationVariable("LLCameraForward");
cameraForward.W = 0.0f;
cameraForward = cameraForward.Normalized();
Sansar.Vector offset = new Sansar.Vector(cameraForward[0], cameraForward[1], 0, 0).Normalized();
Sansar.Vector new_pos = new Sansar.Vector(0f, 0f, 1.5f, 0f);
new_pos += characterObject.Position; // This script is on the Avatar, so the Avatar is the owning object.
new_pos += (offset * 0.6f); // Add to the world just in front of the avatar.
float speed = InitialSpeed;
if (InitialSpeed < 1.0f || InitialSpeed > 200.0f)
{
const float defaultSpeed = 10.0f;
Log.Write(string.Format("Bad CannonBall Speed: {0}, using default {1}", InitialSpeed, defaultSpeed));
speed = defaultSpeed;
}
Sansar.Vector vel = cameraForward * speed;
StartCoroutine(RezCannonball, new_pos, Quaternion.FromLook(cameraForward, Vector.Up), vel);
Timer.Create(TimeSpan.FromSeconds(Delay), () => { animationComponent.Subscribe(ListenEvent, (data) => { OnFire(animationComponent); }, false); });
}
private void Subscribe(ScriptEventData sed)
{
if (subscriptions == null)
{
subscriptions = SubscribeToAll(TurnOnEvent, (data) =>
{
if (TurnOnFadeTime > 0.0f)
{
previousColor = lights[0].GetNormalizedColor();
previousIntensity = lights[0].GetRelativeIntensity();
targetColor = initialColor;
targetIntensity = initialIntensity;
interpolationDuration = TurnOnFadeTime;
interpolationTime = TurnOnFadeTime;
interpolationActive = true;
}
else
{
interpolationActive = false;
SetColorAndIntensityOfAllLights(initialColor, initialIntensity);
}
});
subscriptions += SubscribeToAll(TurnOffEvent, (data) =>
{
if (TurnOffFadeTime > 0.0f)
{
previousColor = lights[0].GetNormalizedColor();
previousIntensity = lights[0].GetRelativeIntensity();
targetColor = Sansar.Color.Black;
targetIntensity = 0.0f;
interpolationDuration = TurnOffFadeTime;
interpolationTime = TurnOffFadeTime;
interpolationActive = true;
}
else
{
interpolationActive = false;
SetColorAndIntensityOfAllLights(Sansar.Color.Black, 0.0f);
}
});
subscriptions += SubscribeToAll(TurnRandomEvent, (data) =>
{
if (TurnRandomFadeTime > 0.0f)
{
// Pick a random color but don't let it be too dark or else the relative intensity doesn't work well
Sansar.Vector randomVector = new Sansar.Vector((float)rnd.NextDouble(), (float)rnd.NextDouble(), (float)rnd.NextDouble());
while (randomVector.LengthSquared() < 0.1f)
{
randomVector = new Sansar.Vector((float)rnd.NextDouble(), (float)rnd.NextDouble(), (float)rnd.NextDouble());
}
if (randomVector.LengthSquared() < 0.5f)
{
randomVector = randomVector.Normalized();
}
Sansar.Color randomColor = new Sansar.Color(randomVector.X, randomVector.Y, randomVector.Z);
// Pick a random intensity from min to max
float randomIntensity = randomMinIntensity + (randomMaxIntensity - randomMinIntensity) * (float)rnd.NextDouble();
previousColor = lights[0].GetNormalizedColor();
previousIntensity = lights[0].GetRelativeIntensity();
targetColor = randomColor;
targetIntensity = randomIntensity;
interpolationDuration = TurnRandomFadeTime;
interpolationTime = TurnRandomFadeTime;
interpolationActive = true;
}
else
{
interpolationActive = false;
SetRandomColorAndIntensityOfAllLights();
}
});
}
if (HasFadeTime())
{
StartInterpolation();
}
}
