flockanimatorexplode.cpp

#include "debug.h"
#include "flock.h"
#include "boid.h"
#include "flockanimatorexplode.h"

using namespace irr;
using namespace core;
using namespace scene;

extern Debug* dbg;

FlockAnimatorExplode::FlockAnimatorExplode(IrrlichtDevice* d, vector3df explCenter, u32 startMs, u32 durationMs, f32 pwr)
{
    // ctor
    device = d;
    center = explCenter;
    startTime = startMs;
    durationTime = durationMs;
    endTime = startMs + durationMs;
    power = pwr;
    dbg->log("create FlockAnimatorExplode");
}

FlockAnimatorExplode::~FlockAnimatorExplode()
{
    // dtor
    dbg->log("FlockAnimatorExplode deleted");
}

void FlockAnimatorExplode::animateNode(ISceneNode* node, u32 timeMs)
{
    if (timeMs > endTime)
    {
        return;
    }
    if (timeMs > startTime)
    {
        Flock* f = ((Flock*) node);
        list<Boid*>::Iterator it = f->getBoidList().begin();
        for (; it != f->getBoidList().end(); ++it)
        {
            f32 distance = (*it)->position.getDistanceFrom(center);
            (*it)->velocity = center + ((*it)->position - center).normalize() * 50000.0f/distance * power;
            f32 gravity = (*it)->position.Y/10;
            (*it)->velocity += vector3df(0, -gravity, 0);
        }
    }
}

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