#include <sdktools>

public OnPluginStart()
{
    RegConsoleCmd("boom", Command_Boom);
}

public Action:Command_Boom(client, args)
{
    new Float:Orig[3], Float:Spawn[3];
    GetClientAbsOrigin(client, Orig);
       
    new Num      = 4; // Кол-во точек вокруг заданной позиции
    new Degrees = 360;
    new Coeff    = 0;
    new Mul      = 100;

    for(new I = 0; I < Num; I++)
    {
     new Float:OMG = DegToRad(float(I * (Degrees / Num) + Coeff));
        
     Spawn[0] = Orig[0] + Sine(OMG) * Mul;
     Spawn[1] = Orig[1] + Cosine(OMG) * Mul;
     Spawn[2] = Orig[2] + 0.0;
        
     boom(Spawn);
    }
}

stock boom(Float:pos[3])
{
    new bm = CreateEntityByName("env_explosion");
    DispatchSpawn(bm);
    TeleportEntity(bm, pos, NULL_VECTOR, NULL_VECTOR);
    AcceptEntityInput(bm, "Explode");
    AcceptEntityInput(bm, "Kill");
}