Fusion.Engine.Graphics.Camera.SetupCamera C# (CSharp) Method

		public void SetupCamera ( Matrix viewMatrix, float height, float width, float near, float far, float convergence, float separation )
		{
			if (convergence<=0) {	
				throw new ArgumentOutOfRangeException("convergence must be > 0");
			}

			projZNear			=	near;
			projZFar			=	far;

			float offset		=	separation / convergence * near / 2;
			float nearHeight	=	height;
			float nearWidth		=	width;

			//	Projection :
			this.projMatrix		=	Matrix.PerspectiveOffCenterRH( -nearWidth/2, nearWidth/2, -nearHeight/2, nearHeight/2, near, far );
			this.projMatrixR	=	Matrix.PerspectiveOffCenterRH( -nearWidth/2 - offset, nearWidth/2 - offset, -nearHeight/2, nearHeight/2, near, far );
			this.projMatrixL	=	Matrix.PerspectiveOffCenterRH( -nearWidth/2 + offset, nearWidth/2 + offset, -nearHeight/2, nearHeight/2, near, far );
																		
			//	View :
			this.viewMatrix		=	viewMatrix;
			this.viewMatrixL	=	viewMatrix	*	Matrix.Translation( Vector3.UnitX * separation / 2 );
			this.viewMatrixR	=	viewMatrix	*	Matrix.Translation( -Vector3.UnitX * separation / 2 );

			//	Camera :
			this.cameraMatrix	=	Matrix.Invert( viewMatrix );
			this.cameraMatrixL	=	Matrix.Invert( viewMatrixL );
			this.cameraMatrixR	=	Matrix.Invert( viewMatrixR );


			if (Game.Instance.GraphicsDevice.Display is OculusRiftDisplay) {
				
				if (OculusRiftSensors.LeftEye != null && OculusRiftSensors.RightEye != null) {
					projMatrixL = OculusRiftSensors.LeftEye.Projection;
					projMatrixR = OculusRiftSensors.RightEye.Projection;


					var leftEyePos	= new Vector3(OculusRiftSensors.LeftEye.Position.X, -OculusRiftSensors.LeftEye.Position.Y, -OculusRiftSensors.LeftEye.Position.Z)	;
					var rightEyePos = new Vector3(OculusRiftSensors.RightEye.Position.X, -OculusRiftSensors.RightEye.Position.Y, -OculusRiftSensors.RightEye.Position.Z);

					var leftRot		= OculusRiftSensors.LeftEye.Rotation;	leftRot.Invert();	leftRot.Normalize();
					var rightRot	= OculusRiftSensors.RightEye.Rotation;	rightRot.Invert();	rightRot.Normalize();

					viewMatrixL = viewMatrix * Matrix.RotationQuaternion(leftRot)	* Matrix.Translation(leftEyePos);
					viewMatrixR = viewMatrix * Matrix.RotationQuaternion(rightRot)	* Matrix.Translation(rightEyePos);
				}
			}
		}