from visual import *

scene.width = 800
scene.height = 600

scene.autoscale = 0
scene.range = (100,100,100)
scene.center = (0,40,0)

ball = sphere(pos=(0,102,0),radius=2)
ground = box(pos=(0,-1,0),size=(100,2,10))
building = box(size=(6,100,6),pos=(0,50,0),color=color.blue)

gravity = 9.8   # m/s**2
velocityX = 6   # m/s
seconds = 0
dt = .01

finished = False
while not finished:
    rate(100) # go thru the loop no more than 100 times/s
    seconds += dt

    # position equation: y(t) = y0 + v0*t + .5 * a * t**2
    ballY = 100 - .5 * gravity * seconds**2
    ballX = velocityX * seconds

    ball.pos = vector(ballX,ballY,0)

    if ballY - 2 <= 0:
        finished = True
        print "seconds to drop: " + str(seconds)
        print "distance in the x direction: " + str(ballX)