public override void UpdateMatrixWorld(bool force = false)
{
if (matrixAutoUpdate)
{
UpdateMatrix();
}
// update matrixWorld
if (matrixWorldNeedsUpdate || force)
{
if (HasParent)
{
matrixWorld.MultiplyMatrices(Parent.matrixWorld, matrix);
matrixWorld.Decompose(ref translationWorld, ref quaternionWorld, ref scaleWorld);
matrix.Decompose(ref translationObject, ref quaternionObject, ref scaleObject);
matrixWorld = Matrix4.Compose(translationWorld, quaternionObject, scaleWorld);
}
else
{
matrixWorld = matrix;
}
matrixWorldNeedsUpdate = false;
force = true;
}
// update children
foreach (var c in Children)
{
c.UpdateMatrixWorld(force);
}
}
private void InitializeCameras()
{
float viewCenter = m_oculusDevice.HScreenSize * 0.25f;
float eyeProjectionShift = viewCenter - m_oculusDevice.LensSeparationDistance * 0.5f;
float projectionCenterOffset = 4.0f * eyeProjectionShift / m_oculusDevice.HScreenSize;
// Create projection matrix
float aspectRatio = m_oculusDevice.HorizontalResolution / (2 * (float)m_oculusDevice.VerticalResolution);
float halfScreenDistance = (m_oculusDevice.VScreenSize / 2);
float yfov = (float)2.0f * (float)Math.Atan(halfScreenDistance / m_oculusDevice.EyeToScreenDistance);
Matrix4 projMatrix = m_root.RenderSystem.MakeProjectionMatrix(yfov, aspectRatio, 0.3f, 1000.0f);
//Matrix4 projMatrixL = Matrix4.Compose(new Vector3(projectionCenterOffset, 0, 0), new Vector3(1.0f, 1.0f, 1.0f), Quaternion.Identity);
//projMatrixL = Matrix4.Multiply(projCenterMatrix, projMatrixL);
//Matrix4 projMatrixR = Matrix4.Compose(new Vector3(-projectionCenterOffset, 0, 0), new Vector3(1.0f, 1.0f, 1.0f), Quaternion.Identity) * projCenterMatrix;
// Create view matrix
float halfIPD = m_oculusDevice.InterpupillaryDistance * 0.5f;
Matrix4 viewMatrixL = Matrix4.Compose(new Vector3(halfIPD, 0, 0), new Vector3(1.0f, 1.0f, 1.0f), Quaternion.Identity) * viewCenter;
Matrix4 viewMatrixR = Matrix4.Compose(new Vector3(-halfIPD, 0, 0), new Vector3(1.0f, 1.0f, 1.0f), Quaternion.Identity) * viewCenter;
// Create cameras array
m_camera = new Camera[2];
// Left camera
m_camera[0] = m_sceneManager.CreateCamera("LeftCamera");
m_camera[0].Move(new Vector3(0, 0, 1));
m_camera[0].SetCustomProjectionMatrix(true, projMatrix);
//m_camera[0].SetCustomViewMatrix(true, viewMatrixL);
// Right camera
m_camera[1] = m_sceneManager.CreateCamera("RightCamera");
m_camera[1].Move(new Vector3(0, 0, 1));
m_camera[1].SetCustomProjectionMatrix(true, projMatrix);
//m_camera[1].SetCustomViewMatrix(true, viewMatrixR);
}
public void UpdateMatrix()
{
matrix = Matrix4.Compose(Position, Quaternion, Scale);
matrixWorldNeedsUpdate = true;
}