private void CheckCollision(Collision collision)
{
if (cooldown > 0.0f)
{
return;
}
var impulse = collision.impulse.magnitude / Time.fixedDeltaTime;
// Only handle the collision if the impact was strong enough
if (impulse >= pressureMin)
{
cooldown = delay;
// Calculate up vector ahead of time
var finalUp = orientation == OrientationType.CameraUp ? P3dHelper.GetCameraUp(_camera) : Vector3.up;
var contacts = collision.contacts;
var finalPressure = pressureMultiplier;
var finalRoot = root != null ? root : gameObject;
switch (pressureMode)
{
case PressureType.Constant:
{
finalPressure *= pressureConstant;
}
break;
case PressureType.ImpactSpeed:
{
finalPressure *= Mathf.InverseLerp(pressureMin, pressureMax, impulse);
}
break;
}
for (var i = contacts.Length - 1; i >= 0; i--)
{
var contact = contacts[i];
if (P3dHelper.IndexInMask(contact.otherCollider.gameObject.layer, layers) == true)
{
var finalPosition = contact.point + contact.normal * offset;
var finalRotation = Quaternion.LookRotation(-contact.normal, finalUp);
switch (emit)
{
case EmitType.PointsIn3D:
{
hitCache.InvokePoint(finalRoot, preview, priority, finalPressure, finalPosition, finalRotation);
}
break;
case EmitType.PointsOnUV:
{
var hit = default(RaycastHit);
if (TryGetRaycastHit(contact, ref hit) == true)
{
hitCache.InvokeCoord(finalRoot, preview, priority, finalPressure, new P3dHit(hit), finalRotation);
}
}
break;
case EmitType.TrianglesIn3D:
{
var hit = default(RaycastHit);
if (TryGetRaycastHit(contact, ref hit) == true)
{
hitCache.InvokeTriangle(gameObject, preview, priority, finalPressure, hit, finalRotation);
}
}
break;
}
if (onlyUseFirstContact == true)
{
break;
}
}
}
}
}
protected void PaintAt(P3dPointConnector connector, P3dHitCache hitCache, Vector2 screenPosition, Vector2 screenPositionOld, bool preview, float pressure, object owner)
{
var camera = P3dHelper.GetCamera(_camera);
if (camera != null)
{
if (touchOffset != 0.0f && P3dInputManager.TouchCount > 0)
{
screenPosition.y += touchOffset / P3dInputManager.ScaleFactor;
}
var ray = camera.ScreenPointToRay(screenPosition);
var hit2D = Physics2D.GetRayIntersection(ray, float.PositiveInfinity, layers);
var hit3D = default(RaycastHit);
var finalPosition = default(Vector3);
var finalRotation = default(Quaternion);
// Hit 3D?
if (Physics.Raycast(ray, out hit3D, float.PositiveInfinity, layers) == true && (hit2D.collider == null || hit3D.distance < hit2D.distance))
{
CalcHitData(hit3D.point, hit3D.normal, ray, camera, screenPositionOld, out finalPosition, out finalRotation);
if (emit == EmitType.PointsIn3D)
{
if (connector != null)
{
connector.SubmitPoint(gameObject, preview, priority, pressure, finalPosition, finalRotation, owner);
}
else
{
hitCache.InvokePoint(gameObject, preview, priority, pressure, finalPosition, finalRotation);
}
return;
}
else if (emit == EmitType.PointsOnUV)
{
hitCache.InvokeCoord(gameObject, preview, priority, pressure, new P3dHit(hit3D), finalRotation);
return;
}
else if (emit == EmitType.TrianglesIn3D)
{
hitCache.InvokeTriangle(gameObject, preview, priority, pressure, hit3D, finalRotation);
return;
}
}
// Hit 2D?
else if (hit2D.collider != null)
{
CalcHitData(hit2D.point, hit2D.normal, ray, camera, screenPositionOld, out finalPosition, out finalRotation);
if (emit == EmitType.PointsIn3D)
{
if (connector != null)
{
connector.SubmitPoint(gameObject, preview, priority, pressure, finalPosition, finalRotation, owner);
}
else
{
hitCache.InvokePoint(gameObject, preview, priority, pressure, finalPosition, finalRotation);
}
return;
}
}
}
if (connector != null)
{
connector.BreakHits(owner);
}
}
protected virtual void OnParticleCollision(GameObject hitGameObject)
{
if (cachedParticleSystemSet == false)
{
cachedParticleSystem = GetComponent <ParticleSystem>();
cachedParticleSystemSet = true;
}
// Get the collision events array
var count = cachedParticleSystem.GetSafeCollisionEventSize();
// Expand collisionEvents list to fit all particles
for (var i = particleCollisionEvents.Count; i < count; i++)
{
particleCollisionEvents.Add(new ParticleCollisionEvent());
}
count = cachedParticleSystem.GetCollisionEvents(hitGameObject, particleCollisionEvents);
// Calculate up vector ahead of time
var finalUp = orientation == OrientationType.CameraUp ? P3dHelper.GetCameraUp(_camera) : Vector3.up;
var finalRoot = root != null ? root : gameObject;
// Paint all locations
for (var i = 0; i < count; i++)
{
var collision = particleCollisionEvents[i];
if (P3dHelper.IndexInMask(collision.colliderComponent.gameObject.layer, layers) == false)
{
continue;
}
if (skip > 0)
{
if (skipCounter++ > skip)
{
skipCounter = 0;
}
else
{
continue;
}
}
var finalPosition = collision.intersection + collision.normal * offset;
var finalNormal = normal == NormalType.CollisionNormal ? collision.normal : -collision.velocity;
var finalRotation = finalNormal != Vector3.zero ? Quaternion.LookRotation(-finalNormal, finalUp) : Quaternion.identity;
var finalPressure = pressureMultiplier;
switch (pressureMode)
{
case PressureType.Constant:
{
finalPressure *= pressureConstant;
}
break;
case PressureType.Distance:
{
var distance = Vector3.Distance(transform.position, collision.intersection);
finalPressure *= Mathf.InverseLerp(pressureMin, pressureMax, distance);
}
break;
case PressureType.Speed:
{
var speed = Vector3.SqrMagnitude(collision.velocity);
if (speed > 0.0f)
{
speed = Mathf.Sqrt(speed);
}
finalPressure *= Mathf.InverseLerp(pressureMin, pressureMax, speed);
}
break;
}
switch (emit)
{
case EmitType.PointsIn3D:
{
hitCache.InvokePoint(finalRoot, preview, priority, finalPressure, finalPosition, finalRotation);
}
break;
case EmitType.PointsOnUV:
{
var hit = default(RaycastHit);
if (TryGetRaycastHit(collision, ref hit) == true)
{
hitCache.InvokeCoord(finalRoot, preview, priority, finalPressure, new P3dHit(hit), finalRotation);
}
}
break;
case EmitType.TrianglesIn3D:
{
var hit = default(RaycastHit);
if (TryGetRaycastHit(collision, ref hit) == true)
{
hitCache.InvokeTriangle(gameObject, preview, priority, finalPressure, hit, finalRotation);
}
}
break;
}
}
}
