iVE - Vehicle Explosion Physics

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-*/
/* iVE: Vehicle Death/Explosion Physics */
/* by iPLEOMAX, 2011                    */
/* Please keep the credits!             */
/* Simple yet nice to see.. :D      */
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-*/

#include <a_samp>

// Tweak your own..
#define EFFECT_RANDOM           20
#define EFFECT_FIX_DEFAULT      10
#define EFFECT_FIX_Z            0.008
#define EFFECT_MULTIPLIER       0.05
#define EFFECT_HELI_VEL         0.1
#define EFFECT_EXPLOSIONTYPE    1
#define EFFECT_EXPLOSIONOFFSET  -1.2
#define EFFECT_EXPLOSIONRADIUS  2.5

//Model IDs for Vehicles
#define PLANES 460,476,511,512,513,519,520,553,577,592,593
#define HELIS 417,425,447,469,488,497,548,563

public OnFilterScriptInit()
{
    printf("  iVE: Vehicle Explosion Physics Loaded! -iPLEOMAX");
    return true;
}

public OnFilterScriptExit()
{
    printf("  iVE: Vehicle Explosion Physics Exited.");
    return true;
}

public OnPlayerStateChange(playerid, newstate, oldstate)
{
    return true;
}

public OnVehicleDeath(vehicleid, killerid)
{
    new Float:P[3]; GetVehiclePos(vehicleid, P[0], P[1], P[2]);
    if(P[2] <= 0.4) return true; //Water Exception.. (added later)

    new model = GetVehicleModel(vehicleid);
    switch(model)
    {
        case PLANES: return true;
        case HELIS: return true;
        default:
        {
            new
                ht = random(EFFECT_RANDOM),
                xang = random(EFFECT_RANDOM)-EFFECT_FIX_DEFAULT,
                yang = random(EFFECT_RANDOM)-EFFECT_FIX_DEFAULT,
                zang = random(EFFECT_RANDOM)
            ;
            GetVehiclePos(vehicleid, P[0], P[1], P[2]);
            CreateExplosion(P[0], P[1], P[2]+EFFECT_EXPLOSIONOFFSET, EFFECT_EXPLOSIONTYPE, EFFECT_EXPLOSIONRADIUS);
            SetVehicleAngularVelocity(vehicleid, xang*EFFECT_MULTIPLIER, yang*EFFECT_MULTIPLIER, zang*EFFECT_FIX_Z);
            GetVehicleVelocity(vehicleid, P[0], P[1], P[2]);
            SetVehicleVelocity(vehicleid, P[0], P[1], P[2] + (ht*EFFECT_FIX_Z) );
        }
    }
    return true;
}