ParticleAttractorUpdater.cpp

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#include "Headers/ParticleAttractorUpdater.h"
 
namespace Divide {
 
void ParticleAttractorUpdater::update( [[maybe_unused]] const U64 deltaTimeUS, ParticleData& p) {
    const U32 endID = p.aliveCount();
    const size_t countAttractors = _attractors.size();
 
    vec4<F32> offset;
    F32 dist = 0.0f;
    size_t a = 0;
    for (U32 i = 0; i < endID; ++i) {
        for (a = 0; a < countAttractors; ++a) {
            offset.set(_attractors[a].xyz - p._position[i].xyz, 0.0f);
            dist = offset.dot(offset);
 
            // if (!IS_ZERO(DIST)) {
            dist = _attractors[a].w / dist;
            p._acceleration[i] += offset * dist;
            //}
        }
    }
}
 
} //namespace Divide