SICALLBACK aaOcean_BeginEvaluate( ICENodeContext& in_ctxt )
{
// get ocean pointer from user-data
aaOcean *pOcean = (aaOcean *)(CValue::siPtrType)in_ctxt.GetUserData();
// get ICE node input port arrays
CDataArrayLong PointID( in_ctxt, ID_IN_PointID);
CDataArrayLong resolution( in_ctxt, ID_IN_RESOLUTION);
CDataArrayLong seed( in_ctxt, ID_IN_SEED);
CDataArrayFloat waveHeight( in_ctxt, ID_IN_WAVE_HEIGHT);
CDataArrayFloat waveSpeed( in_ctxt, ID_IN_WAVESPEED);
CDataArrayFloat chop( in_ctxt, ID_IN_CHOP);
CDataArrayFloat oceanScale( in_ctxt, ID_IN_OCEAN_SCALE );
CDataArrayFloat oceanDepth( in_ctxt, ID_IN_OCEAN_DEPTH );
CDataArrayFloat windDir( in_ctxt, ID_IN_WINDDIR );
CDataArrayFloat cutoff( in_ctxt, ID_IN_CUTOFF);
CDataArrayFloat velocity( in_ctxt, ID_IN_WINDVELOCITY);
CDataArrayLong windAlign( in_ctxt, ID_IN_WINDALIGN );
CDataArrayFloat damp( in_ctxt, ID_IN_DAMP);
CDataArrayBool enableFoam( in_ctxt, ID_IN_ENABLEFOAM);
CDataArrayFloat time( in_ctxt, ID_IN_TIME);
CDataArrayFloat loopTime( in_ctxt, ID_IN_REPEAT_TIME);
CDataArrayFloat surfaceTension( in_ctxt, ID_IN_SURFACE_TENSION);
CDataArrayFloat randWeight( in_ctxt, ID_IN_RAND_WEIGHT);
pOcean->input(resolution[0],
seed[0],
oceanScale[0],
oceanDepth[0],
surfaceTension[0],
velocity[0],
cutoff[0],
windDir[0],
windAlign[0],
damp[0],
waveSpeed[0],
waveHeight[0],
chop[0],
time[0],
loopTime[0],
enableFoam[0],
randWeight[0]);
return CStatus::OK;
}
void ForestWind::processTick()
{
PROFILE_SCOPE( ForestWind_ProcessTick );
const F32 deltaTime = 0.032f;
const U32 simTime = Sim::getCurrentTime();
Point2F finalVec( 0, 0 );
Point2F windDir( mParent->mWindDirection.x, mParent->mWindDirection.y );
if ( mLastGustTime < simTime )
{
Point2F turbVec( 0, 0 );
if ( mLastGustTime < simTime + (mParent->mWindTurbulenceFrequency * 1000.0f) )
turbVec = (mRandom.randF() * mParent->mWindTurbulenceStrength) * windDir;
mLastGustTime = simTime + (mParent->mWindGustFrequency * 1000.0f);
Point2F gustVec = (mRandom.randF() * mParent->mWindGustStrength + mRandom.randF() * mParent->mWindGustWobbleStrength) * windDir;
finalVec += gustVec + turbVec;
//finalVec.normalizeSafe();
}
//bool rotationChange = false;
if ( mLastYawTime < simTime )
{
mLastYawTime = simTime + (mParent->mWindGustYawFrequency * 1000.0f);
F32 rotateAmt = mRandom.randF() * mParent->mWindGustYawAngle + mRandom.randF() * mParent->mWindGustWobbleStrength;
if ( mRandom.randF() <= 0.5f )
rotateAmt = -rotateAmt;
rotateAmt = mDegToRad( rotateAmt );
if ( rotateAmt > M_2PI_F )
rotateAmt -= M_2PI_F;
else if ( rotateAmt < -M_2PI_F )
rotateAmt += M_2PI_F;
mTargetYawAngle = rotateAmt;
//finalVec.rotate( rotateAmt );
mCurrentTarget.rotate( rotateAmt );
}
//mCurrentTarget.normalizeSafe();
if ( mCurrentTarget.isZero() || mCurrentInterp >= 1.0f )
{
mCurrentInterp = 0;
mCurrentTarget.set( 0, 0 );
Point2F windDir( mDirection.x, mDirection.y );
windDir.normalizeSafe();
mCurrentTarget = finalVec + windDir;
}
else
{
mCurrentInterp += deltaTime;
mCurrentInterp = mClampF( mCurrentInterp, 0.0f, 1.0f );
mDirection.interpolate( mDirection, Point3F( mCurrentTarget.x, mCurrentTarget.y, 0 ), mCurrentInterp );
//F32 rotateAmt = mLerp( 0, mTargetYawAngle, mCurrentInterp );
//mTargetYawAngle -= rotateAmt;
//Point2F dir( mDirection.x, mDirection.y );
//if ( mTargetYawAngle > 0.0f )
// dir.rotate( rotateAmt );
//mDirection.set( dir.x, dir.y, 0 );
}
}
