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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)]
fovy = np.random.uniform(5 / 180 * np.pi, 175 / 180 * np.pi, spatial)
aspect = np.random.uniform(0.01, 100, spatial)
near = np.random.uniform(0.1, 100, spatial)
far = np.random.uniform(near*2, 1000, spatial)
expected = []
for i in range(np.prod(spatial) if len(spatial) > 0 else 1):
expected.append(glm.perspective(fovy.flat[i], aspect.flat[i], near.flat[i], far.flat[i]))
expected = np.concatenate(expected, axis=0).reshape(*spatial, 4, 4)
actual = utils3d.numpy.perspective(fovy, aspect, near, far)
assert np.allclose(expected, actual), '\n' + \
'Input:\n' + \
f'\tfovy: {fovy}\n' + \
f'\taspect: {aspect}\n' + \
f'\tnear: {near}\n' + \
f'\tfar: {far}\n' + \
'Actual:\n' + \
f'{actual}\n' + \
'Expected:\n' + \
f'{expected}'
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