float i = 0;
float j = 640;
float k = 0;
float l = 640;
float vima1,vima2,vima3,vima4 ;

void setup(){
    size(640,320);
    frameRate(30);
}


void draw(){
    background(0);
    textSize(32);
    text(i,10,30);

    
    text(millis(),100,30);
    text(i*1000/millis(), 300, 30 );
    text(frameCount, 10, 100);
    ellipse(i, 200,10,10);
    ellipse(j, 220,10,10);    
    ellipse(k, 250,10,10);
    ellipse(l, 290,10,10);
    
    
    
    if(i==0){
       vima1 = 1;
    }
    if(i==640){
       vima1= -1;
    }
    if(j==0){
       vima2 = 1;
    }
    if(j==640){
       vima2= -1;
    }
    if(k==0){
       vima3 = 1;
    }
    if(k==640){
       vima3= -1;
    }
    if(l==0){
       vima4 = 1;
    }
    if(l==640){
       vima4= -1;
    }
    i = i + vima1;
    j = j + vima2/0.5;
    k = k + 2*vima3;
    l = l + 10*vima4;
}