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import os
import sys
sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__), '..', '..', '..')))
import utils3d
import numpy as np
import glm
def run():
for i in range(100):
if i == 0:
spatial = []
else:
dim = np.random.randint(4)
spatial = [np.random.randint(1, 10) for _ in range(dim)]
near = np.random.uniform(0.1, 100, spatial)
far = np.random.uniform(near*2, 1000, spatial)
depth = np.random.uniform(near, far, spatial)
proj = utils3d.numpy.perspective(1.0, 1.0, near, far)[..., 2, 2:4]
expected = ((proj[..., 0] * -depth + proj[..., 1]) / depth) * 0.5 + 0.5
actual = utils3d.numpy.project_depth(depth, near, far)
assert np.allclose(expected, actual), '\n' + \
'Input:\n' + \
f'\tdepth: {depth}\n' + \
f'\tnear: {near}\n' + \
f'\tfar: {far}\n' + \
'Actual:\n' + \
f'{actual}\n' + \
'Expected:\n' + \
f'{expected}'
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