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Code Packages Releases Activity

Take into account camera movements for background grid

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mzernova 2024-12-22 23:33:51 +00:00
parent 2a1fa7be50
commit 6851428dd4
1 changed files with 8 additions and 7 deletions
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15
src/OpenGl/OpenGl_View.cxx
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@ -2585,15 +2585,16 @@ void OpenGl_View::renderGrid()
aContext->ProjectionState.SetCurrent (aContext->Camera()->ProjectionMatrixF());
aContext->ApplyProjectionMatrix();
OpenGl_Mat4 aWorldViewState = myGridParams.IsBackground()
? OpenGl_Mat4()
: aContext->WorldViewState.Current();
OpenGl_Mat4 aMat;
const gp_Pnt& aPosition = myGridParams.IsBackground() ? gp_Pnt (0.0, 0.0, -aZFar) : myGridParams.Position();
aMat.SetColumn (3, Graphic3d_Vec4 ((float)aPosition.X(), (float)aPosition.Y(), (float)aPosition.Z(), 1.0));
const OpenGl_Mat4& aWorldViewCurrent = aContext->WorldViewState.Current();
OpenGl_Mat4 aWorldViewState = myGridParams.IsBackground() ? OpenGl_Mat4() : aWorldViewCurrent;
const gp_Pnt& aPosition = myGridParams.IsBackground()
? gp_Pnt (aWorldViewCurrent.GetValue (0, 3), aWorldViewCurrent.GetValue (1, 3), -aZFar)
: myGridParams.Position();
OpenGl_Mat4 aTranslation;
aTranslation.SetColumn (3, Graphic3d_Vec4 ((float)aPosition.X(), (float)aPosition.Y(), (float)aPosition.Z(), 1.0));
aContext->WorldViewState.Push();
aContext->WorldViewState.SetCurrent (aWorldViewState * aMat);
aContext->WorldViewState.SetCurrent (aWorldViewState * aTranslation);
aContext->ApplyWorldViewMatrix();
aContext->core11fwd->glEnable (GL_DEPTH_TEST);