from oxocard import *
from random import randint
from oxoaccelerometer import *


acc = Accelerometer.create()

num = 12

points = [[randint(0,7), randint(0,7)] for i in range(num)]
colors = []
for i in range(num):
    colors.append([randint(50,255),randint(50,255),randint(50,255)])
    
grid = [[False for i in range(8)] for j in range(8)]

for p in points:
    grid[p[0]][p[1]]=True
    

def getDir(p):
    if p<1:
        return -1
    if p>2:
        return 1
    return 0
    
    
def onGrid(p):
    return p[0]>=0 and p[0]<=7 and p[1]>=0 and p[1]<=7

def add(p,v):
    return [p[0]+v[0],p[1]+v[1]]

enableRepaint(False)
while True:
    clear()
    pref = [acc.getX()/4.0, -acc.getY()/4.0]  # preferred direction of movement
    for i in range(num):
        p = points[i]
        v = [getDir(randint(0,300)/100.0+pref[k]) for k in range(2)]
        r = add(p,v)
        if onGrid(r):
            if grid[r[0]][r[1]]==False:
                grid[r[0]][r[1]]=True
                grid[p[0]][p[1]]=False
                p[0]=r[0]
                p[1]=r[1]
        dot(p[0],p[1],colors[i])
        
        
    repaint()