Esempio n. 1
0
def render_frame(frame, d, t):
    renderer = Renderer(output_dir='volumetric', overwrite=True, frame=frame)
    renderer.initialize(preset='pt',
                        scene=create_scene(frame, d, t),
                        sampler='prand',
                        max_path_length=3)
    renderer.set_post_processor(
        LDRDisplay(exposure=1, bloom_radius=0.00, bloom_threshold=1.0))
    renderer.render(render_epoch)


if __name__ == '__main__':
    downsample = grid_downsample
    resolution = (255 / downsample, 255 / downsample, 255 / downsample)

    mpm = MPM3(resolution=resolution,
               gravity=(0, -25, 0),
               async=True,
               num_threads=8,
               strength_dt_mul=4)

    tex = Texture('mesh',
                  resolution=resolution,
                  filename=tc.get_asset_path('meshes/armadillo.obj')) * 8
    tex = tex.zoom((0.4, 0.4, 0.4), (0.5, 0.5, 0.5), False)
    # tex = Texture('rotate', tex=tex, rotate_axis=0, rotate_times=1)
    tex = Texture('rotate', tex=tex, rotate_axis=1, rotate_times=2)
    # tex = Texture('rotate', tex=tex, rotate_axis=2, rotate_times=1)
    mpm.add_particles(density_tex=tex.id, initial_velocity=(0, 0, -50))

    levelset = mpm.create_levelset()
    levelset.add_cuboid((0.01, 0.01, 0.01), (0.99, 0.99, 0.99), True)
                        sampler='prand')
    renderer.set_post_processor(
        LDRDisplay(exposure=0.6, bloom_radius=0.0, bloom_threshold=1.0))
    renderer.render(render_epoch)


if __name__ == '__main__':
    downsample = grid_downsample
    resolution = (432 / downsample, 144 / downsample, 432 / downsample)
    tex = Texture('ring', outer=0.15) * 2
    tex = Texture('bound',
                  tex=tex,
                  axis=2,
                  bounds=(0.0, 0.8),
                  outside_val=(0, 0, 0))
    tex = Texture('rotate', tex=tex, rotate_axis=0, rotate_times=1)
    mpm = MPM3(resolution=resolution,
               gravity=(0, -100, 0),
               initial_velocity=(0, 0, 0),
               delta_t=0.0005,
               num_threads=8,
               density_tex=tex.id)
    for i in range(step_number):
        print 'process(%d/%d)' % (i, step_number)
        mpm.step(0.01)
        if gi_render:
            d = mpm.get_directory()
            if i % 20 == 0:
                render_sand_frame(i, d)
    mpm.make_video()
Esempio n. 3
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def render_sand_frame(frame, d, t):
    renderer = Renderer(output_dir='volumetric', overwrite=True, frame=frame)
    renderer.initialize(preset='pt',
                        scene=create_sand_scene(frame, d, t),
                        sampler='prand')
    renderer.set_post_processor(
        LDRDisplay(exposure=0.6, bloom_radius=0.0, bloom_threshold=1.0))
    renderer.render(render_epoch)


if __name__ == '__main__':
    downsample = grid_downsample
    resolution = (255 / downsample, 255 / downsample, 255 / downsample)

    mpm = MPM3(resolution=resolution,
               gravity=(0, -100, 0),
               delta_t=0.001,
               num_threads=8)

    levelset = mpm.create_levelset()
    levelset.add_plane(0, 1, 0, -1)
    levelset.add_plane(1, 1, 0, -1.7)
    levelset.global_increase(1)
    tex = Texture('levelset3d',
                  levelset=levelset,
                  bounds=(0, 0.05 / levelset.get_delta_x())) * 6
    tex = Texture('bound',
                  tex=tex,
                  axis=2,
                  bounds=(0.45, 0.55),
                  outside_val=(0, 0, 0))
    tex = Texture('bound',
Esempio n. 4
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    return scene


def render_sand_frame(frame, d, t):
    renderer = Renderer(output_dir='volumetric', overwrite=True, frame=frame)
    renderer.initialize(preset='pt', scene=create_sand_scene(frame, d, t), sampler='prand')
    renderer.set_post_processor(LDRDisplay(exposure=0.6, bloom_radius=0.0, bloom_threshold=1.0))
    renderer.render(render_epoch)


if __name__ == '__main__':
    downsample = grid_downsample
    resolution = (255 / downsample, 255 / downsample, 255 / downsample)

    mpm = MPM3(resolution=resolution, gravity=(0, -20, 0), base_delta_t=0.001, num_threads=1, use_mpi=use_mpi)

    levelset = mpm.create_levelset()
    levelset.add_plane(0, 1, 0, -1)
    levelset.add_plane(1, 1, 0, -1.7)
    levelset.global_increase(1)
    tex = Texture('levelset3d', levelset=levelset, bounds=(0, 0.04 / levelset.get_delta_x())) * 6
    tex = Texture('bound', tex=tex, axis=2, bounds=(0.33, 0.66), outside_val=(0, 0, 0))
    tex = Texture('bound', tex=tex, axis=0, bounds=(0.05, 1.0), outside_val=(0, 0, 0))
    mpm.add_particles(density_tex=tex.id, initial_velocity=(0, 0, 0), compression=1.09)
    tex_ball = Texture('sphere', center=(0.12, 0.40, 0.5), radius=0.06) * 10
    mpm.add_particles(density_tex=tex_ball.id, initial_velocity=(0, 0, 0), compression=0.95)

    levelset.set_friction(1)
    mpm.set_levelset(levelset, False)
Esempio n. 5
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def render_sand_frame(frame, d, t):
    renderer = Renderer(output_dir='volumetric', overwrite=True, frame=frame)
    renderer.initialize(preset='pt',
                        scene=create_sand_scene(frame, d, t),
                        sampler='prand')
    renderer.set_post_processor(
        LDRDisplay(exposure=0.6, bloom_radius=0.0, bloom_threshold=1.0))
    renderer.render(render_epoch)


if __name__ == '__main__':
    downsample = grid_downsample
    resolution = (255 / downsample, 255 / downsample, 255 / downsample)

    mpm = MPM3(resolution=resolution,
               gravity=(0, -10, 0),
               base_delta_t=0.0005,
               num_threads=8)

    # tex = Texture('ring', outer=0.15) * 4
    # tex = Texture('bound', tex=tex, axis=2, bounds=(0.0, 0.4), outside_val=(0, 0, 0))
    # tex = Texture('rotate', tex=tex, rotate_axis=0, rotate_times=1)
    tex = Texture('mesh',
                  resolution=resolution,
                  filename=tc.get_asset_path('meshes/suzanne.obj')) * 8
    tex = tex.zoom((0.5, 0.5, 0.5), (0.5, 0.5, 0.5), False)
    # tex = Texture('rotate', tex=tex, rotate_axis=1, rotate_times=1)
    mpm.add_particles(density_tex=tex.id, initial_velocity=(0, 0, 0))

    # Dynamic Levelset
    def levelset_generator(t):
        levelset = mpm.create_levelset()
Esempio n. 6
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def render_sand_frame(frame, d, t):
    renderer = Renderer(output_dir='volumetric', overwrite=True, frame=frame)
    renderer.initialize(preset='pt',
                        scene=create_sand_scene(frame, d, t),
                        sampler='prand')
    renderer.set_post_processor(
        LDRDisplay(exposure=0.6, bloom_radius=0.0, bloom_threshold=1.0))
    renderer.render(render_epoch)


if __name__ == '__main__':
    downsample = grid_downsample
    resolution = (255 / downsample, 255 / downsample, 255 / downsample)
    mpm = MPM3(resolution=resolution,
               gravity=(0, -10, 0),
               base_delta_t=0.000001,
               async=True,
               num_threads=8)

    tex = Texture('ring', outer=0.15) * 8
    tex = Texture('bound',
                  tex=tex,
                  axis=2,
                  bounds=(0.0, 0.4),
                  outside_val=(0, 0, 0))
    tex = Texture('rotate', tex=tex, rotate_axis=0, rotate_times=1)
    mpm.add_particles(density_tex=tex.id, initial_velocity=(0, 0, 0))

    # Dynamic Levelset
    def levelset_generator(t):
Esempio n. 7
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    return scene


def render_frame(frame, d, t):
    renderer = Renderer(output_dir='volumetric', overwrite=True, frame=frame)
    renderer.initialize(preset='pt', scene=create_scene(frame, d, t), sampler='prand', max_path_length=3)
    renderer.set_post_processor(LDRDisplay(exposure=1, bloom_radius=0.00, bloom_threshold=1.0))
    renderer.render(render_epoch)


if __name__ == '__main__':
    downsample = grid_downsample
    resolution = (255 / downsample, 255 / downsample, 255 / downsample)

    mpm = MPM3(resolution=resolution, gravity=(0, -10, 0), async=True, num_threads=8, strength_dt_mul=4,
               affine_damping=1000)

    # real theta_c = 2.5e-2f, theta_s = 7.5e-3f;

    tex_ball1 = Texture('sphere', center=(0.41, 0.23, 0.5), radius=0.08) * 1
    tex_ball1 = tex_ball1 * (Texture('perlin') * 6 + 2)
    mpm.add_particles(density_tex=tex_ball1.id, initial_velocity=(200, 5, 0), compression=1.0,
                      mu_0=3e5, lambda_0=3e5)

    tex_ball2 = Texture('sphere', center=(0.59, 0.2, 0.5), radius=0.08) * 1
    tex_ball2 = tex_ball2 * (Texture('perlin') * 6 + 2)
    mpm.add_particles(density_tex=tex_ball2.id, initial_velocity=(-200, 5, 0), compression=1.0,
                      mu_0=3e5, lambda_0=3e5)

    levelset = mpm.create_levelset()
Esempio n. 8
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    return scene


def render_frame(frame, d, t):
    renderer = Renderer(output_dir='volumetric', overwrite=True, frame=frame)
    renderer.initialize(preset='pt', scene=create_scene(frame, d, t), sampler='prand', max_path_length=3)
    renderer.set_post_processor(LDRDisplay(exposure=1, bloom_radius=0.00, bloom_threshold=1.0))
    renderer.render(render_epoch)


if __name__ == '__main__':
    downsample = grid_downsample
    resolution = (255 / downsample, 255 / downsample, 255 / downsample)

    mpm = MPM3(resolution=resolution, gravity=(0, -50, 0), async=False,
               base_delta_t=0.0002, num_threads=8, strength_dt_mul=4)

    tex = Texture('mesh', resolution=resolution, filename=tc.get_asset_path('meshes/bunny.obj'))
    tex = tex.zoom((0.4, 0.4, 0.4), (0.5, 0.5, 0.5), False)
    tex = Texture('rotate', tex=tex, rotate_axis=0, rotate_times=1)
    tex = tex * (Texture('perlin').zoom((10, 10, 10)) * 6 + 2)
    mpm.add_particles(density_tex=tex.id, initial_velocity=(0, 0, -50))

    levelset = mpm.create_levelset()
    levelset.add_cuboid((0.01, 0.01, 0.01), (0.99, 0.99, 0.99), True)
    mpm.set_levelset(levelset)

    t = 0
    for i in range(step_number):
        print 'process(%d/%d)' % (i, step_number)