Unity向量线性插值Lerp
inline glm::vec3 Lerp(glm::vec3 start, glm::vec3 end, float t){t = glm::clamp(t, 0.0f, 1.0f);return (start*(1-t)+end*t);
}
inline glm::vec3 Lerp(glm::vec3 start, glm::vec3 end, float t){t = glm::clamp(t, 0.0f, 1.0f);return (start*(1-t)+end*t);
}