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 loadUKP1(structMatrix sM,float time, float (*waveSpeedFunction)(int,float)) {
float fDelta[3];
fDelta[X_AXIS] = MESH_HLENGTH/N_HNODES;
fDelta[Y_AXIS] = MESH_VLENGTH/N_VNODES;
loadIdentityMatrix(sM);
// Load indexes for inner nodes
for(int i=1;i<(N_HNODES-1);i++) {
for(int j=1;j<(N_VNODES-1);j++) {
int index = i*N_HNODES+j;
sM->matrix[index][index] = (-1/(pow(fDelta[X_AXIS],2)) -1/(pow(fDelta[Y_AXIS],2)) + 2/(waveSpeed(index,time)*pow(DELTA_TIME,2)));
sM->matrix[index][index-1] = sM->matrix[index][index+1] = 1/(2*pow(fDelta[X_AXIS],2));
sM->matrix[index][index-N_HNODES] = sM->matrix[index][index+N_HNODES] = 1/(2*pow(fDelta[Y_AXIS],2));
}
}
}