WorldModel::WorldModel(int mN , float mMinDis/* , Map mLevelMap*/): maxCord(0.75) , G(9.8) , CUE_MASS(1.0f){
time = 0;
dt = 0.0002;
n = mN;
minDis2Lines = 0.3;
minDis = mMinDis;
COF = 0.2f;
Random r;
for(int i = 0 ; i < n ; i++){
bool isGood = false;
Vector2Df tmp;
while(isGood == false){
tmp = Vector2Df(r.Gauss(0 , 2) , r.Gauss(0 , 2));
isGood = true;
if(tmp.x() > maxCord || tmp.y() > maxCord || tmp.x() < -maxCord || tmp.y() < -maxCord)
isGood = false;
if(i >= 2)
for(int j = 0 ; j < i ; j++)
for(int k = 0 ; k < i ; k++){
float rate = ((balls[k].pos - balls[j].pos) * (balls[k].pos - tmp)) /
((balls[k].pos - balls[j].pos).getLength() * (balls[k].pos - tmp).getLength());
float thetaByRate = acos(rate);
if(j > k && sin(thetaByRate) * (balls[k].pos - tmp).getLength() < minDis2Lines)
isGood = false;
}
for(int j = 0 ; j < i ; j++){
float diss = (tmp - balls[j].pos).getLength();
if(diss < minDis)
isGood = false;
}
}
Ball newBall(i , 0.02 , 0.05 , tmp);
balls.push_back(newBall);
}
}
