Old_drop

public class Drop {
final static public double Pi = 3.1415926;
double radius = 1;
double angle = 40;
double dx, dt;
int step;
int N;
double[][] temp;
double[][] vort;
double[][] str;
int[][] is_here;

// Функции на форму капли
public double shape(double x) {
    return Math.sqrt(radius*radius-x*x)-radius*Math.cos(angle*Pi/180);
}
public double basement() {
    return radius*Math.sin(angle*Pi/180);
}

// Функции на установку значений для капли
public void set_N(int number_1) {
    N = number_1;
    dx = basement()/N;
    System.out.println("N is "+N+", dx is "+dx);
    double[][] temp = new double[N][N];
    double[][] vort = new double[N][N];
    double[][] str = new double[N][N];
    int[][] is_here = new int[N][N];
}
public void set_r(double radius_1) {
    radius = radius_1;
    dx = basement()/N;
    System.out.println("Radius is "+radius+", dx is "+dx);
}
public void set_angle(double angle_1) {
    angle = angle_1;
    dx = basement()/N;
    System.out.println("Angle is "+angle+", dx is "+dx);
}

// Is it here?
void set_is_here() {
    int a, b;
    for (a=0;a<N;a++)
        for (b=0;b<N;b++) {
            if ((dx/2+(N-a-1)*dx)<=shape(dx/2+b*dx))
                is_here[a][b] = 1;
            else is_here[a][b] = 0;
}
}