comparison: geometry.py
geometry.py
- changeset 31
- 02e7e1d73ebb
- parent 30
- 0d9ca37901ed
- child 38
- 66c9591b733d
equal
deleted
inserted
replaced
| 30:0d9ca37901ed | 31:02e7e1d73ebb |
|---|---|
| 391 cosine = dot_product(vec_1, vec_2) | 391 cosine = dot_product(vec_1, vec_2) |
| 392 try: | 392 try: |
| 393 cosine /= vec_1.length() * vec_2.length() | 393 cosine /= vec_1.length() * vec_2.length() |
| 394 except ZeroDivisionError: | 394 except ZeroDivisionError: |
| 395 return 0 | 395 return 0 |
| 396 # Fix the cosine, it can go outside bounds due to rounding errors, | |
| 397 # e.g. 1.0000000000000002, which then causes a math domain error. | |
| 398 cosine = min(max(-1, cosine), 1) | |
| 396 angle = acos(cosine) | 399 angle = acos(cosine) |
| 397 if normalized and angle > π / 2: | 400 if normalized and angle > π / 2: |
| 398 angle = π - angle | 401 angle = π - angle |
| 399 return angle | 402 return angle |
| 400 | 403 |
