110     current_.axis = glm::normalize(glm::vec3(x, y, z));  in Animation()
112     current_.speed = speed_(rng_);  in Animation()
113     current_.scale = scale;  in Animation()
115     current_.matrix = glm::scale(glm::mat4(1.0f), glm::vec3(current_.scale));  in Animation()
120     current_.matrix = glm::rotate(current_.matrix, current_.speed * t, current_.axis);  in transformation()
122     return current_.matrix;  in transformation()
232     current_.end = -1.0f;  in Path()
233     current_.now = 0.0f;  in Path()
238     current_.now += t;  in position()
240     while (current_.now >= current_.end)  in position()
243     return current_.origin + current_.curve->evaluate(current_.now - current_.start);  in position()
251     if (current_.curve) {  in generate_subpath()
252         current_.origin += current_.curve->evaluate(current_.end - current_.start);  in generate_subpath()
253         current_.start = current_.end;  in generate_subpath()
256         current_.origin = glm::vec3(origin(rng_), origin(rng_), origin(rng_));  in generate_subpath()
257         current_.start = current_.now;  in generate_subpath()
260     current_.end = current_.start + duration;  in generate_subpath()
285     current_.curve.reset(curve);  in generate_subpath()