Method getAngle

core/math/Vec2.cpp:223–231

}

float Vec2::getAngle(const Vec2& other) const
{
    Vec2 a2     = getNormalized();
    Vec2 b2     = other.getNormalized();
    float angle = atan2f(a2.cross(b2), a2.dot(b2));
    if (std::abs(angle) < FLT_EPSILON)
        return 0.f;
    return angle;
}

Vec2 Vec2::rotateByAngle(const Vec2& pivot, float angle) const
{