/////how can I define other classes in eclipse
PVector loc;
int rectWidth = 50;
PVector Eloc ;
float theta = 0;
PVector acc= new PVector(0,0);
int r = 10;
int k = 5;
 void setup(){
size(1200,500);
loc = new PVector(200,height/2);
frameRate(100);
Eloc = new PVector(loc.x+(rectWidth/2),10);
 }


void draw(){
background(0);
loc.y = map(sin(theta),-1,1,50,10);
theta += 0.1f;
//loc.add(acc);
Eloc.y+=k;

smooth();
fill(255);
rect(loc.x,height,rectWidth,-100+loc.y);
fill(120,200,120);
ellipse(Eloc.x,Eloc.y,r*2,r*2);
float rectTop = height-100+loc.y;
float circle = Eloc.y+r;

if(circle>rectTop){
k=-5;
}    else if(circle<1){
k+=5;
}

}