Random 无法退出循环，请成功运行程序

我正在为C编写一个编程任务，程序运行了，但它似乎没有执行循环。该程序的目的是使用随机数生成器获取变量，使用switch语句确定气球的体积，然后计算填充池需要多少气球。然而，当我运行它的时候，它只是坐在那里，好像它在等待输入，或者它不能退出循环。程序应该以批处理模式运行。任何帮助都将不胜感激！谢谢

     #include <stdio.h>
     #include <math.h>
     #include <stdlib.h>
     #include <time.h>
     #define Gravity 32 //feet per second^2 and gravitational accelleration
     #define PI 3.14159
     #define BAL_HEIGHT 12 //balcony height in feet
     #define POOL_CENTER 35 //distance to the center of the pool in feet
     #define thetaMin 5 //degrees
     #define thetaMax 85 //degrees
     #define velocityMin 1 //foot per second
     #define velocityMax 30 //feet per second
     #define heightMin 4.5 //feet
     #define heightMax 7.0 //feet
     #define minDiameter 3 //inches
     #define maxDiameter 9 //inches
     #define Capacity 7 // pool capacity in gallons

    int main ()

    {  


    //inputs theta, velocity, height, diameter, balloons, volume, and capacity
    //in degrees
    //in feet per second
    //of the thrower //for rand max/min
    double currentCapacity = 0; //set beginning capacity to zero
    double volume;
    double volumeTotal = 0;
    int    diameter;
    int    balloonsThrown = 0;
    int    balloonsHit = 0;  //set beginning balloons thrown and hit to zero   

    srand(time(NULL)); //seed sit using time


    while (volumeTotal <= Capacity) 
    {

  double theta = (double) rand()/RAND_MAX * (thetaMax - thetaMin +1) + thetaMin; 

  double velocity = (double) rand()/RAND_MAX * (velocityMin - velocityMax +1) + velocityMin;

  double height = (double) rand()/RAND_MAX * (heightMin - heightMax +1) + heightMin;

  int diameter = rand() % (maxDiameter - minDiameter + 1) + minDiameter;

  int balloonsThrown = rand() % (RAND_MAX);



  switch (diameter) // get diameter from rand equation
  {
     case 3:
        volume == 0.1;//gallons
        break;
     case 4:
        volume == 0.2;
        break;
     case 5:
        volume == 0.3;
        break;
     case 6:  
        volume == 0.55;
        break;
     case 7:  
        volume == 0.8;
        break;
     case 8:  
        volume == 1.25;
        break;
     case 9:  
        volume == 1.7;
        break;   
  } 



  // compute distance 
  double LAUNCH_HEIGHT = BAL_HEIGHT + height; //the sum of the input height and the balcony height

  double radians = theta*(PI/180); //convert angle theta into radians

  double part1 = (velocity*(cos(radians))/Gravity); //first part of the velocity equation

  double part2 = velocity*(sin(radians)); //second part of velocity equation

  double part3 = pow(velocity*(sin(radians)),2);//exponential part of the velocity equation

  double part4 = 2*(Gravity*LAUNCH_HEIGHT);

  double distance = part1*(part2 + sqrt(part3+part4)); //full distance function        


   //determine whether or not the balloon will fill the pool
   //increment the amount of balloons thrown and that hit the pool





  if (distance <= POOL_CENTER -1 && POOL_CENTER +1 >= distance);
  {  // distance is in the range of 34-36 (Pool Center +- 1)
     (currentCapacity += volumeTotal);
  }   

  if (distance > 0);
  {
     (balloonsThrown ++);
  }

  //determining whether to add the balloon to the hit total 

  if (distance > POOL_CENTER -1 && distance < POOL_CENTER +1) 
  {
     (balloonsHit ++);
  }


    }




     double balloonPercentage = (balloonsHit/balloonsThrown);

     printf ("%d balloons hit the pool.\n", balloonsHit);
     printf ("%d balloons were thrown\n", balloonsThrown);
     printf ("%2f%% of balloons hit the pool\n", balloonPercentage);


     return 0; 
     } 

#包括
#包括
#包括
#包括
#定义重力每秒32//ft^2和重力加速度
#定义PI 3.14159
#定义阳台高度12//阳台高度（英尺）
#定义游泳池\u中心35//到游泳池中心的距离（英尺）
#定义5//度的平面
#定义最大值85//度
#定义速度单位为每秒1//ft
#定义速度最大为每秒30//ft
#定义最小高度4.5//英尺
#定义最大高度7.0//英尺
#定义minDiameter 3//英寸
#定义最大直径9//in
#定义容量7//池容量（加仑）
int main（）
{  
//输入θ、速度、高度、直径、气球、体积和容量
//度
//以英尺每秒为单位
//投掷者的最大/最小兰特
double currentCapacity=0；//将起始容量设置为零
双卷；
双体积总和=0；
内径；
int ballodesthrown=0；
int ballodshit=0；//将抛出并命中的起始气球设置为零
srand（time（NULL））；//种子使用时间
而（体积总和0）；
{
（balloosthrown++）；
}
//确定是否将气球添加到命中总数
如果（距离>泳池中心-1和距离<泳池中心+1）
{
（b++）；
}
}
双气球百分比=（气球屎/气球重量）；
printf（“%d个气球击中池。\n”，balloodshit）；
printf（“%d个引出序号被抛出\n”，ballodesthrown）；
printf（“%2f%%个气球击中池\n”，气球百分比）；
返回0；
} 
while（volumeTotalwhile（volumeTotal
while (volumeTotal <= Capacity)