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| from __future__ import division | |
| from math import atan2 | |
| # reference: http://stackoverflow.com/questions/23408572/angle-between-two-points-0-360-cw | |
| def calcVectAngle(vec1, vec2): | |
| """ calculate the counter-clock-wise angle between two vectors """ | |
| angle = atan2(vec1[1], vec1[0]) - atan2(vec2[1], vec2[0]) | |
| angle = angle * 360 / (2 * pi) | |
| if angle < 0: | |
| angle += 360 | |
| print angle |
