private Matrix4x4 opticalViewMatrix; // This transform expresses the position and orientation of the physical camera in eye coordinates.
public bool SetupCamera(IPluginFunctions pluginFunctions, float nearClipPlane, float farClipPlane, Matrix4x4 projectionMatrix, out bool opticalOut)
{
Camera c = this.gameObject.GetComponent <Camera>();
opticalOut = false;
// A perspective projection matrix from the tracker
c.orthographic = false;
// Shouldn't really need to set these, because they are part of the custom
// projection matrix, but it seems that in the editor, the preview camera view
// isn't using the custom projection matrix.
c.nearClipPlane = nearClipPlane;
c.farClipPlane = farClipPlane;
if (Optical)
{
float fovy;
float aspect;
float[] m = new float[16];
float[] p = new float[16];
if (OpticalCalibrationMode0 == OpticalCalibrationMode.ARXOpticalParametersFile)
{
opticalSetupOK = pluginFunctions.arwLoadOpticalParams(null, OpticalParamsFileContents, OpticalParamsFileContents.Length, nearClipPlane, farClipPlane, out fovy, out aspect, m, p);
if (!opticalSetupOK)
{
ARController.Log(LogTag + "Error loading ARX optical parameters.");
return(false);
}
// Convert millimetres to metres.
m[12] *= 0.001f;
m[13] *= 0.001f;
m[14] *= 0.001f;
c.projectionMatrix = ARUtilityFunctions.MatrixFromFloatArray(p);
ARController.Log(LogTag + "Optical parameters: fovy=" + fovy + ", aspect=" + aspect + ", camera position (m)={" + m[12].ToString("F3") + ", " + m[13].ToString("F3") + ", " + m[14].ToString("F3") + "}");
}
else
{
m[0] = m[5] = m[10] = m[15] = 1.0f;
m[1] = m[2] = m[3] = m[4] = m[6] = m[7] = m[8] = m[9] = m[11] = m[12] = m[13] = m[14] = 0.0f;
}
opticalViewMatrix = ARUtilityFunctions.MatrixFromFloatArray(m);
if (OpticalEyeLateralOffsetRight != 0.0f)
{
opticalViewMatrix = Matrix4x4.TRS(new Vector3(-OpticalEyeLateralOffsetRight, 0.0f, 0.0f), Quaternion.identity, Vector3.one) * opticalViewMatrix;
}
// Convert to left-hand matrix.
opticalViewMatrix = ARUtilityFunctions.LHMatrixFromRHMatrix(opticalViewMatrix);
opticalOut = true;
}
else
{
c.projectionMatrix = projectionMatrix;
}
// Don't clear anything or else we interfere with other foreground cameras
c.clearFlags = CameraClearFlags.Nothing;
// Renders after the clear and background cameras
c.depth = 2;
c.transform.position = new Vector3(0.0f, 0.0f, 0.0f);
c.transform.rotation = new Quaternion(0.0f, 0.0f, 0.0f, 1.0f);
c.transform.localScale = new Vector3(1.0f, 1.0f, 1.0f);
return(true);
}
