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Diffstat (limited to 'Build/source/utils/asymptote/tr.cc')
-rw-r--r-- | Build/source/utils/asymptote/tr.cc | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/Build/source/utils/asymptote/tr.cc b/Build/source/utils/asymptote/tr.cc index d76ea846fc6..69041a5f80b 100644 --- a/Build/source/utils/asymptote/tr.cc +++ b/Build/source/utils/asymptote/tr.cc @@ -62,7 +62,6 @@ #endif #include "tr.h" - #define DEFAULT_TILE_WIDTH 256 #define DEFAULT_TILE_HEIGHT 256 #define DEFAULT_TILE_BORDER 0 @@ -290,7 +289,8 @@ void trPerspective(TRcontext *tr, GLdouble zNear, GLdouble zFar ) { GLdouble xmin, xmax, ymin, ymax; - ymax = zNear * tan(fovy * 3.14159265 / 360.0); + static const double halfradians=acos(-1.0)/360.0; + ymax = zNear * tan(fovy * halfradians); ymin = -ymax; xmin = ymin * aspect; xmax = ymax * aspect; |