 				}
 			}
 
-			// カメラ行列
+			// View matrix
 			static const float5x5 V = makeViewMatrix(
 				_CameraRotation,
 				_CameraRotationXZ,

				return result;
			}

			/// YW平面回転行列を生成する(XZ座標が変化)
			float5x5 makeRotateYW(float theta)
			{
				float c = cos(theta);

				return result;
			}

			/// multiply 5D matrix and vector
			float5 mul5x1(float5x5 lhs, float5 rhs)
			{
				float5 result = ZERO_5x1;
