class Cube extends Particle { 
color ccolor; 
int sizeX = 20; 
int sizeY = 20; 
int sizeZ = 20; 

 float diameter;

public Cube(String type) {
if ( type == "target") {
ccolor = color(255,253,208);
diameter = 100; 
minCollisionForce = diameter; 
maxCollisionForce = diameter; 
enableCollision(diameter/2 + 2);
} 
else if ( type == "targetb") {
ccolor = color(255, 247, 79); 
diameter = 150; 
minCollisionForce = diameter; 
maxCollisionForce = diameter; 
enableCollision(diameter/2 + 2);
} 
else if ( type == "targetc") {
ccolor = color(255, 199, 151);
diameter = 200; 
//minCollisionForce = diameter; 
//maxCollisionForce = diameter; 
//enableCollision(diameter/2 + 2);
enableCollision(10);
} 
else if ( type == "targetd") {
ccolor = color(255, 0, 0);
diameter = 50;
minCollisionForce = diameter/2; 
maxCollisionForce = diameter; 
enableCollision(diameter/2 + 2);
} 
else {
ccolor = color(random(255), random(255), random(255));
diameter = 10 + random(35); 
minCollisionForce = diameter/2; 
maxCollisionForce = diameter; 
enableCollision(diameter/2 + 2);
} 
} 

void draw() { 
ellipseMode(CENTER_DIAMETER); 
push(); 
translate(pos[0], pos[1], pos[2]);
noStroke(); 
fill(ccolor); 
ellipse(0,0,diameter,diameter); 
pop();

if (age > 200 &&
 (pos[0] < -diameter || 
pos[0] > width + diameter ||
pos[1] > height + diameter) ) 
die();
} 
} 

int CREATE_GAP = 100;
PSystem ps; 

Cube parts; 
Cube partsb;
Cube a; 
Cube mPart; 
Cube f[] = new Cube[20];
Cube r; 
Cube s; 
Cube t; 
Cube u; 
void setup() {
size(800,800);
ps = (PSystem)loadPlugin("PSystem");

a = new Cube("target"); 
a.setPos(width/2, height/2 - 50, 0);
a.fix(2,0); 
//a.ccolor = color(0,50,50);
ps.addParticle(a);

r =new Cube("targetb"); 
r.setPos(400,375,0);
ps.addParticle(r);
//r.ccolor = color(0,0,100);
r.fix();

mPart = new Cube("targetc");
mPart.setPos(0, height/2, 20);
 // mPart.ccolor = color(0,100,0);
ps.addParticle(mPart);
ps.addMagnet(mPart, 100000);

a.enableCollision(10);
mPart.enableCollision(10);

for (int i=0;i<20;i++) {
f[i]=new Cube("targetd"); 
//f[i].ccolor = color(200,0,0); 
f[i].setPos(mouseX+i*20,mouseY,0);
ps.addParticle(f[i]); 
if (i==0) { 
ps.addSpring(a,f[i],2,1,.1);
} 
else ps.addSpring(f[i-1],f[i],2,1,.1);
f[i].enableCollision(10); 
} 
ps.addSpring(r,mPart,.01,.1,1); 
ps.setGravity(0, .1, 0);
ps.drag = .01;
} 
void mouseDragged() { 
a.setPos(mouseX, mouseY, 0);
} 

void mousePressed() { 
a.setPos(mouseX, mouseY, 0);
} 
void createPart() { 
//if (nParts < 50)
{ 
parts = new Cube(" ");
//parts.ccolor = color(random(255),random(255),random(255));
ps.addParticle(parts);
parts.pos[0]=800; 
parts.pos[1]=50;
parts.pos[2]=0; 

parts.velocity[0]=random(-25);
parts.velocity[1]=random(-20);
parts.enableCollision(20);
parts.fix(2,0); 
} 
} 
void createPartb() {
{ 
partsb = new Cube(" "); 
//partsb.ccolor = color(random(255),random(255),random(255)); 
ps.addParticle(partsb); 
partsb.pos[0]=0;
partsb.pos[1]=100;
partsb.pos[2]=0;

partsb.velocity[0]=random(35);
partsb.velocity[1]=random(-25); 
partsb.enableCollision(20); 
partsb.fix(2,0);
} 
} 
int skipLoops=5;
void loop() { 
if (frame % skipLoops == 0) { 
createPart(); 
createPartb();
} 
background(#000000);
a.setPos(mouseX, mouseY, 0);
stroke(0, 100, 00, 1000); 
fill(255, 0, 0);
ps.draw();
}