from __future__ import print_function
from yade import pack, plot
sp = pack.SpherePack()
rMean = .05
sp.makeCloud((0, 0, 0), (1, 1, 1), rMean=rMean, periodic=True)
sp.toSimulation()
O.engines = [
        ForceResetter(),
        InsertionSortCollider([Bo1_Sphere_Aabb()], verletDist=.05 * rMean),
        InteractionLoop([Ig2_Sphere_Sphere_ScGeom()], [Ip2_FrictMat_FrictMat_FrictPhys()], [Law2_ScGeom_FrictPhys_CundallStrack()]),
        NewtonIntegrator(damping=.6),
        PeriTriaxController(
                goal=(-1e6, -1e6, -.1), stressMask=0b011, maxUnbalanced=.2, doneHook='goalReached()', label='triax', maxStrainRate=(.1, .1, .1), dynCell=True
        ),
        PyRunner(iterPeriod=100, command='addPlotData()')
]
O.dt = .5 * utils.PWaveTimeStep()
O.trackEnergy = True


def goalReached():
	print('Goal reached, strain', triax.strain, ' stress', triax.stress)
	O.pause()


def addPlotData():
	plot.addData(
	        sx=triax.stress[0],
	        sy=triax.stress[1],
	        sz=triax.stress[2],
	        ex=triax.strain[0],
	        ey=triax.strain[1],
	        ez=triax.strain[2],
	        i=O.iter,
	        unbalanced=utils.unbalancedForce(),
	        totalEnergy=O.energy.total(),
	        **O.energy  # plot all energies
	)


plot.plots = {
        'i': (('unbalanced', 'go'), None, 'kinetic'),
        ' i': ('ex', 'ey', 'ez', None, 'sx', 'sy', 'sz'),
        'i ': (O.energy.keys, None, ('totalEnergy', 'bo'))
}
plot.plot()
O.saveTmp()
O.run()
