internal static Matrix PrepareLocalEnvironmentMatrix(Vector3 pos, Vector2I resolution, int faceId, float farPlane)
{
var projection = Matrix.CreatePerspectiveFieldOfView((float)Math.PI * 0.5f, 1, 0.5f, farPlane);
Matrix viewMatrix = CubeFaceViewMatrix(pos, faceId);
return(viewMatrix * projection);
}
/// <summary>
/// Changes FOV for ForwardCamera (updates projection matrix)
/// SetViewMatrix overwrites this changes
/// </summary>
/// <param name="fov"></param>
public static void ChangeFov(float fov)
{
// Projection matrix according to zoom level
ProjectionMatrix = Matrix.CreatePerspectiveFieldOfView(fov, AspectRatio,
GetSafeNear(),
MyRenderCamera.FAR_PLANE_DISTANCE);
}
/// <summary>
/// Changes FOV for ForwardCamera (updates projection matrix)
/// SetViewMatrix overwrites this changes
/// </summary>
/// <param name="fov"></param>
public void ChangeFov(float fov)
{
// Projection matrix according to zoom level
ProjectionMatrix = Matrix.CreatePerspectiveFieldOfView(fov, ForwardAspectRatio,
GetSafeNear(),
FarPlaneDistance);
}
public static void ChangeClipPlanes(float near, float far, bool applyNow = false)
{
Debug.Assert(!m_backupMatrix.HasValue, "Reset clip planes before changing clip planes again");
m_backupMatrix = ProjectionMatrix;
ProjectionMatrix = Matrix.CreatePerspectiveFieldOfView(FieldOfView, AspectRatio, near, far);
if (applyNow)
{
UpdateCamera();
}
}
private static void SetupCameraMatrices(MyRenderMessageSetCameraViewMatrix message)
{
var viewMatrixAt0 = message.ViewMatrix;
viewMatrixAt0.M14 = 0;
viewMatrixAt0.M24 = 0;
viewMatrixAt0.M34 = 0;
viewMatrixAt0.M41 = 0;
viewMatrixAt0.M42 = 0;
viewMatrixAt0.M43 = 0;
viewMatrixAt0.M44 = 1;
var originalProjection = message.ProjectionMatrix;
//var invOriginalProjection = Matrix.CreatePerspectiveFovRhInverse(message.FOV, MyRender11.ResolutionF.X / MyRender11.ResolutionF.Y, message.NearPlane, message.FarPlane);
var renderProjection = Matrix.CreatePerspectiveFieldOfView(message.FOV, MyRender11.ResolutionF.X / MyRender11.ResolutionF.Y, message.FarPlane, message.NearPlane);
var invProj = Matrix.CreatePerspectiveFovRhInverse(message.FOV, MyRender11.ResolutionF.X / MyRender11.ResolutionF.Y, message.FarPlane, message.NearPlane);
renderProjection = Matrix.CreatePerspectiveFovRhInfiniteComplementary(message.FOV, MyRender11.ResolutionF.X / MyRender11.ResolutionF.Y, message.NearPlane);
invProj = Matrix.CreatePerspectiveFovRhInfiniteComplementaryInverse(message.FOV, MyRender11.ResolutionF.X / MyRender11.ResolutionF.Y, message.NearPlane);
var invView = Matrix.Transpose(viewMatrixAt0);
invView.M41 = (float)message.CameraPosition.X;
invView.M42 = (float)message.CameraPosition.Y;
invView.M43 = (float)message.CameraPosition.Z;
MyEnvironment.ViewAt0 = viewMatrixAt0;
MyEnvironment.InvViewAt0 = Matrix.Transpose(viewMatrixAt0);
MyEnvironment.ViewProjectionAt0 = viewMatrixAt0 * renderProjection;
MyEnvironment.InvViewProjectionAt0 = invProj * Matrix.Transpose(viewMatrixAt0);
message.CameraPosition.AssertIsValid();
MyEnvironment.CameraPosition = message.CameraPosition;
MyEnvironment.View = message.ViewMatrix;
MyEnvironment.ViewD = message.ViewMatrix;
MyEnvironment.OriginalProjectionD = originalProjection;
MyEnvironment.InvView = invView;
MyEnvironment.ViewProjection = message.ViewMatrix * renderProjection;
MyEnvironment.InvViewProjection = invProj * invView;
MyEnvironment.Projection = renderProjection;
MyEnvironment.InvProjection = invProj;
MyEnvironment.ViewProjectionD = MyEnvironment.ViewD * (MatrixD)renderProjection;
MyEnvironment.NearClipping = message.NearPlane;
MyEnvironment.FarClipping = message.FarPlane;
MyEnvironment.LargeDistanceFarClipping = message.FarPlane * 500.0f;
MyEnvironment.FovY = message.FOV;
MyUtils.Init(ref MyEnvironment.ViewFrustumD);
MyEnvironment.ViewFrustumD.Matrix = MyEnvironment.ViewProjectionD;
MyUtils.Init(ref MyEnvironment.ViewFrustumClippedD);
MyEnvironment.ViewFrustumClippedD.Matrix = MyEnvironment.ViewD * MyEnvironment.OriginalProjectionD;
}
public static void UpdateCamera()
{
ViewMatrix = m_viewMatrix;
ViewProjectionMatrix = ViewMatrix * ProjectionMatrix;
UpdateVectors();
UpdateBoundingFrustum();
ViewMatrixAtZero = Matrix.CreateLookAt(Vector3.Zero, ForwardVector, UpVector);
ViewProjectionMatrixAtZero = ViewMatrixAtZero * ProjectionMatrix;
CornerFrustum = CalculateCornerFrustum();
ProjectionMatrixForFarObjects = Matrix.CreatePerspectiveFieldOfView(FieldOfView, AspectRatio, NEAR_PLANE_FOR_BACKGROUND, FAR_PLANE_FOR_BACKGROUND);
}
private static void SetupCameraMatrices(MyRenderMessageSetCameraViewMatrix message)
{
var viewMatrixAt0 = message.ViewMatrix;
viewMatrixAt0.M14 = 0;
viewMatrixAt0.M24 = 0;
viewMatrixAt0.M34 = 0;
viewMatrixAt0.M41 = 0;
viewMatrixAt0.M42 = 0;
viewMatrixAt0.M43 = 0;
viewMatrixAt0.M44 = 1;
var originalProjection = message.ProjectionMatrix;
var invOriginalProjection = Matrix.CreatePerspectiveFovInv(message.FOV, MyRender11.ResolutionF.X / MyRender11.ResolutionF.Y, message.NearPlane, message.FarPlane);
var complementaryProjection = Matrix.CreatePerspectiveFieldOfView(message.FOV, MyRender11.ResolutionF.X / MyRender11.ResolutionF.Y, message.FarPlane, message.NearPlane);
var invProj = Matrix.CreatePerspectiveFovInv(message.FOV, MyRender11.ResolutionF.X / MyRender11.ResolutionF.Y, message.FarPlane, message.NearPlane);
var invView = Matrix.Transpose(viewMatrixAt0);
invView.M41 = (float)message.CameraPosition.X;
invView.M42 = (float)message.CameraPosition.Y;
invView.M43 = (float)message.CameraPosition.Z;
MyEnvironment.ViewAt0 = viewMatrixAt0;
MyEnvironment.InvViewAt0 = Matrix.Transpose(viewMatrixAt0);
MyEnvironment.ViewProjectionAt0 = viewMatrixAt0 * complementaryProjection;
MyEnvironment.InvViewProjectionAt0 = invProj * Matrix.Transpose(viewMatrixAt0);
message.CameraPosition.AssertIsValid();
MyEnvironment.CameraPosition = message.CameraPosition;
MyEnvironment.View = message.ViewMatrix;
MyEnvironment.InvView = invView;
MyEnvironment.ViewProjection = message.ViewMatrix * complementaryProjection;
MyEnvironment.InvViewProjection = invProj * invView;
MyEnvironment.Projection = complementaryProjection;
MyEnvironment.InvProjection = invProj;
MyEnvironment.NearClipping = message.NearPlane;
MyEnvironment.FarClipping = message.FarPlane;
MyEnvironment.FovY = message.FOV;
MyEnvironment.ViewFrustum = new BoundingFrustum(MyEnvironment.ViewProjection);
}
private static void SetupCameraMatricesInternal(MyRenderMessageSetCameraViewMatrix message, MyEnvironmentMatrices envMatrices, MyStereoRegion typeofEnv)
{//uses m_leftEye to handle HMD images
var viewMatrix = message.ViewMatrix;
var cameraPosition = message.CameraPosition;
if (MyStereoRender.Enable)
{
if (MyOpenVR.Static != null && message.LastMomentUpdateIndex != 0)
{
MatrixD origin = MatrixD.Identity;
MyOpenVR.LMUMatrixGetOrigin(ref origin, message.LastMomentUpdateIndex);
viewMatrix = MatrixD.Invert(origin);
}
}
var viewMatrixAt0 = viewMatrix;
viewMatrixAt0.M14 = 0;
viewMatrixAt0.M24 = 0;
viewMatrixAt0.M34 = 0;
viewMatrixAt0.M41 = 0;
viewMatrixAt0.M42 = 0;
viewMatrixAt0.M43 = 0;
viewMatrixAt0.M44 = 1;
if (MyStereoRender.Enable)
{
if (MyOpenVR.Static != null)
{
if (message.LastMomentUpdateIndex != 0)
{
var tViewMatrix = Matrix.Transpose(viewMatrix);
var viewHMDat0 = MyOpenVR.ViewHMD;
viewHMDat0.M14 = 0;
viewHMDat0.M24 = 0;
viewHMDat0.M34 = 0;
viewHMDat0.M41 = 0;
viewHMDat0.M42 = 0;
viewHMDat0.M43 = 0;
viewHMDat0.M44 = 1;
//cameraPosition += tViewMatrix.Up * MyOpenVR.ViewHMD.Translation.Y;
//cameraPosition += tViewMatrix.Backward * MyOpenVR.ViewHMD.Translation.X;
//cameraPosition += tViewMatrix.Right * MyOpenVR.ViewHMD.Translation.Z;
viewMatrixAt0 = viewMatrixAt0 * viewHMDat0;
viewMatrix = viewMatrix * viewHMDat0;
if (!MyOpenVR.Debug2DImage && typeofEnv == MyStereoRegion.LEFT)
{
viewMatrixAt0 = GetMatrixEyeTranslation(true, viewMatrixAt0) * viewMatrixAt0;
viewMatrix = GetMatrixEyeTranslation(true, viewMatrix) * viewMatrix;
}
else if (!MyOpenVR.Debug2DImage && typeofEnv == MyStereoRegion.RIGHT)
{
viewMatrixAt0 = GetMatrixEyeTranslation(false, viewMatrixAt0) * viewMatrixAt0;
viewMatrix = GetMatrixEyeTranslation(false, viewMatrix) * viewMatrix;
}
}
}
else
{
if (!MyOpenVR.Debug2DImage && typeofEnv == MyStereoRegion.LEFT)
{
viewMatrixAt0 = GetMatrixEyeTranslation(true, viewMatrixAt0) * viewMatrixAt0;
viewMatrix = GetMatrixEyeTranslation(true, viewMatrix) * viewMatrix;
}
else if (!MyOpenVR.Debug2DImage && typeofEnv == MyStereoRegion.RIGHT)
{
viewMatrixAt0 = GetMatrixEyeTranslation(false, viewMatrixAt0) * viewMatrixAt0;
viewMatrix = GetMatrixEyeTranslation(false, viewMatrix) * viewMatrix;
}
}
}
var originalProjection = message.ProjectionMatrix;
//var invOriginalProjection = Matrix.CreatePerspectiveFovRhInverse(message.FOV, MyRender11.ResolutionF.X / MyRender11.ResolutionF.Y, message.NearPlane, message.FarPlane);
float aspectRatio = MyRender11.ResolutionF.X / MyRender11.ResolutionF.Y;
if (typeofEnv != MyStereoRegion.FULLSCREEN)
{
aspectRatio /= 2;
}
var renderProjection = Matrix.CreatePerspectiveFieldOfView(message.FOV, aspectRatio, message.FarPlane, message.NearPlane);
var invProj = Matrix.CreatePerspectiveFovRhInverse(message.FOV, aspectRatio, message.FarPlane, message.NearPlane);
renderProjection = Matrix.CreatePerspectiveFovRhInfiniteComplementary(message.FOV, aspectRatio, message.NearPlane);
invProj = Matrix.CreatePerspectiveFovRhInfiniteComplementaryInverse(message.FOV, aspectRatio, message.NearPlane);
var invView = Matrix.Transpose(viewMatrixAt0);
invView.M41 = (float)cameraPosition.X;
invView.M42 = (float)cameraPosition.Y;
invView.M43 = (float)cameraPosition.Z;
envMatrices.ViewAt0 = viewMatrixAt0;
envMatrices.InvViewAt0 = Matrix.Transpose(viewMatrixAt0);
envMatrices.ViewProjectionAt0 = viewMatrixAt0 * renderProjection;
envMatrices.InvViewProjectionAt0 = invProj * Matrix.Transpose(viewMatrixAt0);
cameraPosition.AssertIsValid();
envMatrices.CameraPosition = cameraPosition;
envMatrices.View = viewMatrix;
envMatrices.ViewD = viewMatrix;
envMatrices.OriginalProjectionD = originalProjection;
envMatrices.InvView = invView;
envMatrices.ViewProjection = viewMatrix * renderProjection;
envMatrices.InvViewProjection = invProj * invView;
envMatrices.Projection = renderProjection;
envMatrices.InvProjection = invProj;
envMatrices.ViewProjectionD = envMatrices.ViewD * (MatrixD)renderProjection;
envMatrices.NearClipping = message.NearPlane;
envMatrices.FarClipping = message.FarPlane;
envMatrices.LargeDistanceFarClipping = message.FarPlane * 500.0f;
envMatrices.FovY = message.FOV;
MyUtils.Init(ref envMatrices.ViewFrustumD);
envMatrices.ViewFrustumD.Matrix = envMatrices.ViewProjectionD;
MyUtils.Init(ref envMatrices.ViewFrustumClippedD);
envMatrices.ViewFrustumClippedD.Matrix = envMatrices.ViewD * envMatrices.OriginalProjectionD;
}
