comparison: geometry.py
geometry.py
- changeset 12
- eb74680a5e43
- parent 9
- fea8e9ae6f29
- child 13
- 12d4ddc4bfd8
equal
deleted
inserted
replaced
| 11:b42788f5d0a9 | 12:eb74680a5e43 |
|---|---|
| 186 @property | 186 @property |
| 187 def perimeter_lines(self): | 187 def perimeter_lines(self): |
| 188 for v1, v2 in pairs(self.vertices): | 188 for v1, v2 in pairs(self.vertices): |
| 189 yield LineSegment(v1, v2) | 189 yield LineSegment(v1, v2) |
| 190 @property | 190 @property |
| 191 def smallest_angle(self): | 191 def angles(self): |
| 192 from math import acos, inf | 192 from math import acos |
| 193 min_angle = inf | |
| 194 for v1, v2, v3 in pairs(self.vertices, count = 3): | 193 for v1, v2, v3 in pairs(self.vertices, count = 3): |
| 195 vec1 = (position_vector(v3) - position_vector(v2)).normalized() | 194 vec1 = (position_vector(v3) - position_vector(v2)).normalized() |
| 196 vec2 = (position_vector(v1) - position_vector(v2)).normalized() | 195 vec2 = (position_vector(v1) - position_vector(v2)).normalized() |
| 197 cosine = dot_product(vec1, vec2) / vec1.length() / vec2.length() | 196 cosine = dot_product(vec1, vec2) / vec1.length() / vec2.length() |
| 198 min_angle = min(min_angle, angle_magnitude_key(acos(cosine))) | 197 yield acos(cosine) |
| 199 return min_angle | 198 @property |
| 199 def smallest_angle(self): | |
| 200 return min( | |
| 201 angle_magnitude_key(angle) | |
| 202 for angle in self.angles) | |
| 200 @property | 203 @property |
| 201 def hairline_ratio(self): | 204 def hairline_ratio(self): |
| 202 lengths = [line.length for line in self.perimeter_lines] | 205 lengths = [line.length for line in self.perimeter_lines] |
| 203 return max(lengths) / min(lengths) | 206 return max(lengths) / min(lengths) |
| 204 | 207 |
