A regra de 2 minutos para Sociedade copyright Brazil
支持国内邮箱或扫码注册，避免了国外账号注册时可能带来的隐私泄露风险，更适合国内用户使用。Light source directions and mirror reflection/refraction angles are excluded from the set of samples. Each sample is traced until it crosses with the environment. Each new cross point must have its illumination calcula