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- fixed: with aspect ratio compensation in the view matrix it is necessary to adjust the view pitch for this because the playsim does not know anything about pixel ratio.

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This commit is contained in:
Christoph Oelckers 2014-12-31 12:04:55 +01:00
parent 4d34e0f548
commit e6d59ec429
1 changed files with 11 additions and 1 deletions
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12
src/gl/scene/gl_scene.cpp
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@ -771,7 +771,17 @@ sector_t * FGLRenderer::RenderViewpoint (AActor * camera, GL_IRECT * bounds, flo
sector_t * retval;
R_SetupFrame (camera);
SetViewArea();
mAngles.Pitch = clamp<float>((float)((double)(int)(viewpitch))/ANGLE_1, -90, 90);
// We have to scale the pitch to account for the pixel stretching, because the playsim doesn't know about this and treats it as 1:1.
double radPitch = bam2rad(viewpitch);
if (radPitch > PI) radPitch -= 2 * PI;
radPitch = clamp(radPitch, -PI / 2, PI / 2);
double angx = cos(radPitch);
double angy = sin(radPitch) * glset.pixelstretch;
double alen = sqrt(angx*angx + angy*angy);
mAngles.Pitch = (float)RAD2DEG(asin(angy / alen));
// Scroll the sky
mSky1Pos = (float)fmod(gl_frameMS * level.skyspeed1, 1024.f) * 90.f/256.f;