int a = 250;
int b = 50;
int c = 50;
int d = 50;

void setup()
{
size(500,500);
}

void draw()
{

for (float x = 0; x < 450;x+=3.14)
{

float y = a + b*sin(c*x + d) ;
float x1 = x * cos(0) - y*sin(3.14);
float y1 = x * sin(0) + y*cos(3.14) + 400;
ellipse(x,y,50,50);
ellipse(x,y1,50,50);
}
}