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fixes upside down aspect ratio

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tosh 2013-04-18 20:02:24 +02:00
parent 3175ba7d45
commit 1e58f6fd40
1 changed files with 5 additions and 5 deletions
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10
interface/src/starfield/renderer/Renderer.h
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@ -133,14 +133,14 @@ namespace starfield {
// determine dimensions based on a sought screen diagonal
//
// ww + hh = dd
// a = h / w => h = wa
// ww + ww aa = dd
// ww = dd / (1 + aa)
// a = w / h => w = ha
// hh + hh aa = dd
// hh = dd / (1 + aa)
float diag = 2.0f * std::sin(halfPersp);
float nearClip = std::cos(halfPersp);
float hw = 0.5f * sqrt(diag * diag / (1.0f + aspect * aspect));
float hh = hw * aspect;
float hh = 0.5f * sqrt(diag * diag / (1.0f + aspect * aspect));
float hw = hh * aspect;
// cancel all translation
mat4 matrix = orientation;