16 lines
457 B
Python
16 lines
457 B
Python
from PyQt6.QtGui import QMatrix4x4
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import numpy as np
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mat = QMatrix4x4()
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mat.translate(0.0, 0.0, -250.0)
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mat.rotate(30.0, 1.0, 0.0, 0.0)
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mat.rotate(45.0, 0.0, 0.0, 1.0)
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# If QMatrix4x4 passes list to uniformMatrix4fv, does it need column-major or row-major?
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# When I used numpy: ``mvp.flatten().tolist()`` -> it gave row-major. And it WORKED.
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# Let's check QMatrix4x4 data.
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data = mat.data()
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print("QMatrix4x4 data (length %d):" % len(data))
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print(data)
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