RandomForce.cpp

Go to the documentation of this file.

#include "RandomForce.h"
using namespace GraphicsLib;
using namespace ParticleSystems;
RandomForce::RandomForce(Vector *f, float a) : Force(f, a) {
}

RandomForce::~RandomForce(){
        delete force;
}

void RandomForce::applyForce(Vector *direction) {

        if(attenuation) {
                (*direction).x += RandomNum((*force).x);
                (*direction).y += RandomNum((*force).y);
                (*direction).z += RandomNum((*force).z);
                (*direction).w += RandomNum((*force).w);
        } else {
                (*direction).x += (attenuation * RandomNum((*force).x));
                (*direction).y += (attenuation * RandomNum((*force).y));
                (*direction).z += (attenuation * RandomNum((*force).z));
                (*direction).w += (attenuation * RandomNum((*force).w));
        }
}

void RandomForce::applyForce(GraphicsLib::Vector *direction, float *mass) {
        //if attenuation == 1 apply it fully
        if(attenuation) {
                (*direction).x += (RandomNum((*force).x))/(*mass);
                (*direction).y += (RandomNum((*force).y))/(*mass);
                (*direction).z += (RandomNum((*force).z))/(*mass);
                (*direction).w += (RandomNum((*force).w))/(*mass);
        } else {
                (*direction).x += (attenuation * RandomNum((*force).x))/(*mass);
                (*direction).y += (attenuation * RandomNum((*force).y))/(*mass);
                (*direction).z += (attenuation * RandomNum((*force).z))/(*mass);
                (*direction).w += (attenuation * RandomNum((*force).w))/(*mass);
        }
}

---