void Update()
{
if (OceanRenderer.Instance == null)
{
return;
}
if (_animate)
{
float t = OceanRenderer.Instance.CurrentTime;
if (t < _warmUp)
{
return;
}
t -= _warmUp;
t = Mathf.Repeat(t, _period);
_rdwi.enabled = t < _onTime;
}
// which lod is this object in (roughly)?
Rect thisRect = new Rect(new Vector2(transform.position.x, transform.position.z), Vector3.zero);
int minLod = LodDataMgrAnimWaves.SuggestDataLOD(thisRect);
if (minLod == -1)
{
// outside all lods, nothing to update!
return;
}
// how many active wave sims currently apply to this object - ideally this would eliminate sims that are too
// low res, by providing a max grid size param
int simsPresent, simsActive;
LodDataMgrDynWaves.CountWaveSims(minLod, out simsPresent, out simsActive);
if (simsPresent == 0)
{
enabled = false;
return;
}
float dt; int steps;
OceanRenderer.Instance._lodDataDynWaves.GetSimSubstepData(OceanRenderer.Instance.DeltaTimeDynamics, out steps, out dt);
_rend.GetPropertyBlock(_mpb);
_mpb.SetFloat("_SimCount", simsActive);
_mpb.SetFloat("_SimDeltaTime", dt);
_rend.SetPropertyBlock(_mpb);
}
void LateUpdate()
{
// which lod is this object in (roughly)?
var thisRect = new Rect(new Vector2(transform.position.x, transform.position.z), Vector3.zero);
var minLod = LodDataMgrAnimWaves.SuggestDataLOD(thisRect);
if (minLod == -1)
{
// outside all lods, nothing to update!
return;
}
// how many active wave sims currently apply to this object - ideally this would eliminate sims that are too
// low res, by providing a max grid size param
int simsPresent, simsActive;
LodDataMgrDynWaves.CountWaveSims(minLod, out simsPresent, out simsActive);
// counting non-existent sims is expensive - stop updating if none found
if (simsPresent == 0)
{
enabled = false;
return;
}
// no sims running - abort. don't bother switching off renderer - camera wont be active
if (simsActive == 0)
{
return;
}
var disp = _boat.DisplacementToBoat;
transform.position = transform.parent.TransformPoint(_localOffset) - disp + _velocityPositionOffset * _boat.RB.velocity;
var rnd = 1f + _noiseAmp * (2f * Mathf.PerlinNoise(_noiseFreq * OceanRenderer.Instance.CurrentTime, 0.5f) - 1f);
// feed in water velocity
var vel = (transform.position - _posLast) / Time.deltaTime;
if (OceanRenderer.Instance._simSettingsFlow != null &&
OceanRenderer.Instance._simSettingsFlow._readbackData &&
GPUReadbackFlow.Instance)
{
var position = transform.position;
var samplingArea = new Rect(position.x, position.z, 0f, 0f);
GPUReadbackFlow.Instance.GetSamplingData(ref samplingArea, _boat.BoatWidth, _samplingDataFlow);
Vector2 surfaceFlow;
GPUReadbackFlow.Instance.SampleFlow(ref position, _samplingDataFlow, out surfaceFlow);
vel -= new Vector3(surfaceFlow.x, 0, surfaceFlow.y);
GPUReadbackFlow.Instance.ReturnSamplingData(_samplingDataFlow);
}
vel.y *= _weightUpDownMul;
var speedKmh = vel.magnitude * 3.6f;
if (speedKmh > _teleportSpeed)
{
// teleport detected
vel *= 0f;
if (_warnOnTeleport)
{
Debug.LogWarning("Teleport detected (speed = " + speedKmh.ToString() + "), velocity discarded.", this);
}
}
else if (speedKmh > _maxSpeed)
{
// limit speed to max
vel *= _maxSpeed / speedKmh;
if (_warnOnSpeedClamp)
{
Debug.LogWarning("Speed (" + speedKmh.ToString() + ") exceeded max limited, clamped.", this);
}
}
_mat.SetVector("_Velocity", rnd * vel);
_posLast = transform.position;
_mat.SetFloat("_Weight", _boat.InWater ? _weight / simsActive : 0f);
float dt; int steps;
OceanRenderer.Instance._lodDataDynWaves.GetSimSubstepData(Time.deltaTime, out steps, out dt);
_mat.SetFloat("_SimDeltaTime", dt);
}
