import taichi as ti
import numpy as np
import utils
import math
from engine.mpm_solver import MPMSolver
write_to_disk = False
ti.init(arch=ti.cuda) # Try to run on GPU
gui = ti.GUI("Taichi Elements", res=512, background_color=0x112F41)
mpm = MPMSolver(res=(128, 128))
for i in range(3):
mpm.add_cube(lower_corner=[0.2 + i * 0.1, 0.3 + i * 0.1],
cube_size=[0.1, 0.1],
material=MPMSolver.material_elastic)
for frame in range(500):
mpm.step(8e-3)
if frame < 500:
mpm.add_cube(lower_corner=[0.1, 0.8],
cube_size=[0.01, 0.05],
velocity=[1, 0],
material=MPMSolver.material_sand)
if 10 < frame < 100:
mpm.add_cube(lower_corner=[0.6, 0.7],
cube_size=[0.2, 0.01],
material=MPMSolver.material_water,
velocity=[math.sin(frame * 0.1), 0])
if 120 < frame < 200 and frame % 10 == 0:
mpm.add_cube(
lower_corner=[0.4 + frame * 0.001, 0.6 + frame // 40 * 0.02],
cube_size=[0.2, 0.1],
velocity=[-3, -1],
material=MPMSolver.material_snow)
colors = np.array([0x068587, 0xED553B, 0xEEEEF0, 0xFFFF00],
dtype=np.uint32)
particles = mpm.particle_info()
gui.circles(particles['position'],
radius=1.5,
color=colors[particles['material']])
gui.show(f'{frame:06d}.png' if write_to_disk else None)
runfile('D:/Desktop/taichi_elements-master/demo/demo_2d.py', wdir='D:/Desktop/taichi_elements-master/demo')
[Taichi] version 0.7.32, llvm 10.0.0, commit 6652f94f, win, python 3.7.1
[Taichi] Starting on arch=cuda
Traceback (most recent call last):
File "D:\Desktop\taichi_elements-master\demo\demo_2d.py", line 13, in <module>
mpm = MPMSolver(res=(128, 128))
File "D:\Desktop\taichi_elements-master\engine\mpm_solver.py", line 116, in __init__
for v in self.grid_v.entries:
AttributeError: 'MatrixField' object has no attribute 'entries'
attribute error always happened in different demos,how do i solve it