comparison: geometry.py
geometry.py
- changeset 90
- 6ae063fd27dc
- parent 62
- f0a6bf48b05e
- child 92
- b8d72909d593
equal
deleted
inserted
replaced
| 89:d2b277cb948e | 90:6ae063fd27dc |
|---|---|
| 195 def perimeter_lines(self): | 195 def perimeter_lines(self): |
| 196 for v1, v2 in pairs(self.vertices): | 196 for v1, v2 in pairs(self.vertices): |
| 197 yield LineSegment(v1, v2) | 197 yield LineSegment(v1, v2) |
| 198 @property | 198 @property |
| 199 def angles(self): | 199 def angles(self): |
| 200 from math import acos | 200 from math import acos, isclose |
| 201 for v1, v2, v3 in pairs(self.vertices, count = 3): | 201 for v1, v2, v3 in pairs(self.vertices, count = 3): |
| 202 vec1 = (position_vector(v3) - position_vector(v2)).normalized() | 202 vec1 = (position_vector(v3) - position_vector(v2)).normalized() |
| 203 vec2 = (position_vector(v1) - position_vector(v2)).normalized() | 203 vec2 = (position_vector(v1) - position_vector(v2)).normalized() |
| 204 cosine = dot_product(vec1, vec2) / vec1.length() / vec2.length() | 204 if not isclose(vec1.length(), 0) and not isclose(vec2.length(), 0): |
| 205 yield acos(cosine) | 205 cosine = dot_product(vec1, vec2) / vec1.length() / vec2.length() |
| 206 yield acos(cosine) | |
| 206 @property | 207 @property |
| 207 def smallest_angle(self): | 208 def smallest_angle(self): |
| 208 return min( | 209 return min( |
| 209 angle_magnitude_key(angle) | 210 angle_magnitude_key(angle) |
| 210 for angle in self.angles) | 211 for angle in self.angles) |
