// Not called on parts where physicalSignificance = false. Check the parent part instead.
public void OnCollisionStay(Collision c)
{
if (!scrapeSparks || _paused)
{
return;
}
#if DEBUG
if (useSpheres)
{
spheres[3].GetComponent <Renderer>().enabled = true;
spheres[3].transform.position = c.contacts[0].point;
}
#endif
foreach (ContactPoint contactPoint in c.contacts)
{
// Contact points are from the previous frame. Add the velocity to get the correct position.
// Only the parent part has a rigidbody, so use it for all adjustments.
Vector3 point = Utils.PointToCurrentFrame(contactPoint.point, part);
Part foundPart = GetCollidingPart(contactPoint);
if (foundPart != null)
{
CollisionFX cfx = foundPart.GetComponent <CollisionFX>();
if (cfx != null)
{
cfx.Scrape(foundPart, c.gameObject, c.transform, point, c.relativeVelocity.magnitude, c.collider.name, (contactPoint.thisCollider is WheelCollider));
}
}
}
}
public void OnCrewEVA(GameEvents.FromToAction <Part, Part> action)
{
if (action.to.Modules["KerbalEVA"] != null)
{
CollisionFX cfx = action.to.AddModule("CollisionFX") as CollisionFX;
cfx.scrapeSparks = _scrapeSparks;
cfx.collisionSound = _collisionSound;
cfx.scrapeSound = _scrapeSound;
cfx.sparkSound = _sparkSound;
}
}
// Not called on parts where physicalSignificance = false. Check the parent part instead.
public void OnCollisionEnter(Collision c)
{
if (_paused)
{
return;
}
if (c.relativeVelocity.magnitude > 3)
{
if (c.contacts.Length == 0)
{
return;
}
foreach (ContactPoint contactPoint in c.contacts)
{
Part collidingPart = GetCollidingPart(contactPoint);
if (collidingPart != null)
{
CollisionFX cfx = collidingPart.GetComponent <CollisionFX>();
if (cfx != null)
{
DustImpact(c.relativeVelocity.magnitude, contactPoint.point, c.collider.name);
bool isUsableWheel = true;
if (cfx.moduleWheel != null)
{
if (cfx.moduleWheelDamage != null && cfx.moduleWheelDamage.isDamaged)
{
isUsableWheel = false;
}
if (cfx.moduleWheelDeployment != null && cfx.moduleWheelDeployment.Position == 0)
{
isUsableWheel = false;
}
}
else
{
isUsableWheel = false;
}
cfx.ImpactSounds(isUsableWheel);
}
}
}
}
}
/// <summary>
/// Searches child parts for the nearest instance of this class to the given point.
/// </summary>
/// <remarks>Parts with physicalSignificance=false have their collisions detected by the parent part.
/// To identify which part is the source of a collision, check which part the collision is closest to.</remarks>
/// <param name="parent">The parent part whose children should be tested.</param>
/// <param name="p">The point to test the distance from.</param>
/// <returns>The nearest child part's CollisionFX module, or null if the parent part is nearest.</returns>
private static CollisionInfo GetClosestChild(Part parent, Vector3 p)
{
float parentDistance = Vector3.Distance(parent.transform.position, p);
float minDistance = parentDistance;
CollisionFX closestChild = null;
bool isWheel = false;
foreach (Part child in parent.children)
{
if (child != null && child.collider != null &&
(child.physicalSignificance == Part.PhysicalSignificance.NONE))
{
float childDistance = Vector3.Distance(child.transform.position, p);
var cfx = child.GetComponent <CollisionFX>();
if (cfx != null)
{
if (cfx.wheelCollider != null)
{
float wheelDistance = Vector3.Distance(cfx.wheelCollider.ClosestPointOnBounds(p), p);
if (wheelDistance < childDistance)
{
isWheel = true;
childDistance = wheelDistance;
}
}
if (childDistance < minDistance)
{
minDistance = childDistance;
closestChild = cfx;
}
else
{
isWheel = false;
}
}
else
{
isWheel = false;
}
}
}
return(new CollisionInfo(closestChild, isWheel));
}
private void OnCollisionExit(Collision c)
{
#if DEBUG
if (useSpheres)
spheres[3].GetComponent<Renderer>().enabled = false;
#endif
StopScrapeLightSound();
foreach (ContactPoint contactPoint in c.contacts)
{
Part collidingPart = GetCollidingPart(contactPoint);
if (collidingPart != null)
{
CollisionFX cfx = collidingPart.GetComponent<CollisionFX>();
if (cfx != null)
cfx.StopScrapeLightSound();
}
}
}
public CollisionInfo(CollisionFX collisionFX, bool isWheel)
{
CollisionFX = collisionFX;
IsWheel = isWheel;
}
/// <summary>
/// Whether the object collided with produces sparks.
/// </summary>
/// <returns>True if the object is a CollisionFX with scrapeSparks or a non-CollisionFX object.</returns>
public bool TargetScrapeSparks(GameObject collidedWith)
{
CollisionFX objectCollidedWith = collidedWith.GetComponent <CollisionFX>();
return(objectCollidedWith == null ? true : objectCollidedWith.scrapeSparks);
}
public CollisionInfo(CollisionFX collisionFX, bool isWheel)
{
CollisionFX = collisionFX;
IsWheel = isWheel;
}
