import sys
sys.path.append('/Users/apollotiger/lib')
import particle
import euclid
import copy

size(400,400)
speed(100)

def setup():
    global particles,frame
    frame = 0
    particles = []
    origpositions = []
    while len(particles) < 20:
        newparticle = particle.Particle(euclid.Vector2(random(12,WIDTH-12), random(12,HEIGHT-12)),12,7,0)
        newparticle.velocity = euclid.Vector2(random(0,200) / 100.0, random(0,200) / 100.0)
        particles.append(newparticle)
    fill(0,0,255)

def draw():
    global particles,frame,origpositions
    frame += 1
    print frame
    for p in particles:
        p.position += p.velocity
        if not (WIDTH - p.radius > p.position.x > p.radius):
            p.velocity.x *= -1
            p.position.x = (WIDTH - p.radius if WIDTH - p.radius < p.position.x else p.radius)
        if not (HEIGHT - p.radius > p.position.y > p.radius):
            p.velocity.y *= -1
            p.position.y = (HEIGHT - p.radius if HEIGHT - p.radius < p.position.y else p.radius)
        for np in particles:
            if np != p:
                if abs(np.position - p.position) < (np.radius + p.radius):
                    # COLLISION!
                    print "COLLISION"
                    print abs(p.origposition - p.position)
                    print abs(np.origposition - np.position)
                    p.origposition = copy.copy(p.position)
                    np.origposition = copy.copy(np.position)
        oval(p.position.x,p.position.y,p.radius,p.radius)