Real Sample(const AngleSet& angles)
{
Real sum=0;
for(size_t i=0;i<angles.size();i++)
sum += angles[i].d;
Real u=Rand()*sum;
for(size_t i=0;i<angles.size();i++) {
if(u <= angles[i].d)
return AngleNormalize(angles[i].c+u);
u -= angles[i].d;
}
AssertNotReached();
return 0;
}
void SawtoothAngleEnvelope::setAngles(const AngleSet& angles)
{
Assert(!angles.empty());
setInterval(angles[0]);
flip_y();
SawtoothAngleEnvelope temp;
for(size_t i=1;i<angles.size();i++) {
temp.setInterval(angles[i]);
temp.flip_y();
upperEnvelope(temp);
}
flip_y();
/*
cout<<"Sawtooth ";
for(size_t i=0;i<v.size();i++) {
cout<<v[i]<<", ";
}
cout<<endl;
*/
}