//declare array and set size of 100 Orbit [] orbits = new Orbit [120]; void setup () { size (400, 400); smooth(); // use array to fill class with values for (int i=0; i <orbits.length; i++) { int r = 2*i; // radius of the circle int r2 = 3*i; //radius of the orbit float t = .001*r; int rojo = i*3; //red int verde = i*2; //green int azul = 255-i*2; //blue orbits[i] = new Orbit ( 0, r, r2, t, rojo, verde, azul); } } void draw () { background (0); // call the array to display all the circles for (int i = 0; i < orbits.length; i++) { orbits[i].move(); } } class Orbit { //data (variables) float theta; //theta is angle int r; //radius of circle int r2; //radius of orbit float t; int rojo; int verde; int azul; //constructor Orbit (float tempTheta, int tempR, int tempR2, float tempT, int tempRojo, int tempVerde, int tempAzul) { theta = tempTheta; r = tempR; r2 = tempR2; t = tempT; rojo = tempRojo; verde = tempVerde; azul = tempAzul; } //methods and functions void move () { //frameRate(10); stroke (rojo, verde, azul, 30); //noStroke (); strokeWeight(10); rectMode(CENTER); line ( width/2 + cos(theta)*r2,r, height/2 + sin(theta)*r2,r*2); //increment theta //increase to speed up movement theta += t*.5; //increment s to change radius of circle } }

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