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import gobject
import numpy
import glitch
import glitch.gtk
from glitch.limbo.lights import LightSwitch, DiffuseLight
from glitch.limbo.objects import Sphere
from glitch.limbo.particles import ParticleSystem
from glitch.limbo.material import Material
class Bubbles(ParticleSystem):
def make_particles(self, n):
a = numpy.ndarray(shape=(n, 11), dtype=numpy.float32)
# position
a[:,0] = numpy.random.uniform(-0.6, 0.6, n)
a[:,1] = -1
a[:,2] = numpy.random.uniform(-0.6, 0.6, n)
# size
a[:,10] = numpy.random.uniform(1, 10, n)
# velocities
a[:,3] = 0
a[:,4] = 1 / a[:,10]
a[:,5] = 0
# accelerations
a[:,6] = 0
a[:,7] = 0
a[:,8] = 0
# time to live
a[:,9] = numpy.random.uniform(5, 15, n)
return a
def draw(self, ctx):
for (x, y, z, _dz, _dy, _dz, _ddx, _ddy, _ddz, _ttl, size) in self.particles:
tmp = glitch.Translate(x=x, y=y, z=z, children=[
Sphere(radius=size / 100)])
tmp.render(ctx)
def tick():
bubbles.step(0.2)
camera.refresh()
return True
if __name__ == '__main__':
bubbles = Bubbles(100)
camera = glitch.gtk.GtkCamera(ref=[0, 1, 0], eye=[0, 1, 1], children=[
LightSwitch(children=[
DiffuseLight(children=[
Material(0.3, 0.5, 1.0, children=[bubbles])])])])
gobject.timeout_add(1000/30,
lambda: bubbles.step(0.2) and camera.refresh() and True)
camera.run()
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