private void CheckForCollisionsMistParticles()
{
if (MistParticleSystem == null || CollisionMask == 0)
{
return;
}
bool collisionEnabled = (CollisionMask != 0 && CollisionEnabled);
if (!collisionEnabled)
{
return;
}
int count = MistParticleSystem.GetParticles(particles);
bool changes = false;
RaycastHit2D hit;
for (int i = 0; i < count; i++)
{
Vector3 pos = particles[i].position;
hit = Physics2D.Raycast(pos, particles[i].velocity.normalized, particles[i].velocity.magnitude * Time.deltaTime);
if (hit.collider != null && ((1 << hit.collider.gameObject.layer) & CollisionMask) != 0)
{
particles[i].velocity *= MistCollisionVelocityMultiplier;
particles[i].remainingLifetime *= MistCollisionLifeTimeMultiplier;
changes = true;
}
}
if (changes)
{
MistParticleSystem.SetParticles(particles, count);
}
}
/// <summary>
/// Camera pre cull event
/// </summary>
/// <param name="camera">Camera</param>
protected override void OnCameraPreCull(Camera camera)
{
if (!IsFirstPerson || Intensity == 0.0f || (WeatherMakerPrecipitationManagerScript.Instance != null &&
WeatherMakerScript.GetCameraType(camera) != WeatherMakerCameraType.Normal && !WeatherMakerPrecipitationManagerScript.Instance.FollowNonNormalCameras))
{
return;
}
#if UNITY_EDITOR
else if (camera.cameraType != CameraType.SceneView &&
camera.name.IndexOf("scenecamera", System.StringComparison.OrdinalIgnoreCase) < 0 &&
camera.name.IndexOf("prerender", System.StringComparison.OrdinalIgnoreCase) < 0)
{
#endif
// put particle system on the new camera
PositionAllElements(camera.transform);
// if switching to a new camera, re-emit particles as they need to render around the new camera
if (Intensity > 0.0f && Time.timeScale > 0.0f && (lastCamera == null || lastCamera != camera))
{
// TODO: Give each camera it's own precipitation
// spawn new particles, Unity does not auto-update particle system when it moves, it waits until next frame
if (ParticleSystem.isPlaying)
{
ParticleSystem.Emit((int)Mathf.Round(ParticleSystem.emission.rateOverTime.constant * Time.deltaTime));
ParticleSystem.Simulate(Time.timeScale / 1000.0f, true, false, false);
ParticleSystem.Play(true);
}
if (MistParticleSystem != null && MistParticleSystem.isPlaying && Intensity >= MistThreshold)
{
MistParticleSystem.Emit((int)Mathf.Round(MistParticleSystem.emission.rateOverTime.constant * Time.deltaTime));
MistParticleSystem.Simulate(Time.timeScale / 1000.0f, true, false, false);
MistParticleSystem.Play(true);
}
if (ParticleSystemSecondary != null && ParticleSystemSecondary.isPlaying && Intensity >= SecondaryThreshold)
{
ParticleSystemSecondary.Emit((int)Mathf.Round(ParticleSystemSecondary.emission.rateOverTime.constant * Time.deltaTime));
ParticleSystemSecondary.Simulate(Time.timeScale / 1000.0f, true, false, false);
ParticleSystemSecondary.Play(true);
}
}
lastCamera = camera;
#if UNITY_EDITOR
}
#endif
}
