diff options
Diffstat (limited to 'indra/llmath/llcamera.h')
| -rw-r--r-- | indra/llmath/llcamera.h | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/indra/llmath/llcamera.h b/indra/llmath/llcamera.h index 82c712e5e7..094e59fd0a 100644 --- a/indra/llmath/llcamera.h +++ b/indra/llmath/llcamera.h @@ -42,17 +42,19 @@ const F32 DEFAULT_ASPECT_RATIO = 640.f / 480.f; const F32 DEFAULT_NEAR_PLANE = 0.25f; const F32 DEFAULT_FAR_PLANE = 64.f; // far reaches across two horizontal, not diagonal, regions -const F32 MAX_FIELD_OF_VIEW = F_PI; const F32 MAX_ASPECT_RATIO = 50.0f; const F32 MAX_NEAR_PLANE = 10.f; const F32 MAX_FAR_PLANE = 100000.0f; //1000000.0f; // Max allowed. Not good Z precision though. const F32 MAX_FAR_CLIP = 512.0f; -const F32 MIN_FIELD_OF_VIEW = 0.1f; const F32 MIN_ASPECT_RATIO = 0.02f; const F32 MIN_NEAR_PLANE = 0.1f; const F32 MIN_FAR_PLANE = 0.2f; +// Min/Max FOV values for square views. Call getMin/MaxView to get extremes based on current aspect ratio. +static const F32 MIN_FIELD_OF_VIEW = 5.0f * DEG_TO_RAD; +static const F32 MAX_FIELD_OF_VIEW = 175.f * DEG_TO_RAD; + static const LLVector3 X_AXIS(1.f,0.f,0.f); static const LLVector3 Y_AXIS(0.f,1.f,0.f); static const LLVector3 Z_AXIS(0.f,0.f,1.f); @@ -101,7 +103,7 @@ public: HORIZ_PLANE_ALL_MASK = 0x3 }; -protected: +private: F32 mView; // angle between top and bottom frustum planes in radians. F32 mAspect; // width/height S32 mViewHeightInPixels; // for ViewHeightInPixels() only @@ -117,12 +119,12 @@ protected: struct frustum_plane { - frustum_plane() : mask(0) {} + frustum_plane() : mask(0) {} LLPlane p; U8 mask; }; frustum_plane mAgentPlanes[7]; //frustum planes in agent space a la gluUnproject (I'm a bastard, I know) - DaveP - + U32 mPlaneCount; //defaults to 6, if setUserClipPlane is called, uses user supplied clip plane in LLVector3 mWorldPlanePos; // Position of World Planes (may be offset from camera) @@ -132,12 +134,13 @@ public: public: LLCamera(); - LLCamera(F32 z_field_of_view, F32 aspect_ratio, S32 view_height_in_pixels, F32 near_plane, F32 far_plane); + LLCamera(F32 vertical_fov_rads, F32 aspect_ratio, S32 view_height_in_pixels, F32 near_plane, F32 far_plane); + virtual ~LLCamera(){} // no-op virtual destructor void setUserClipPlane(LLPlane plane); void disableUserClipPlane(); U8 calcPlaneMask(const LLPlane& plane); - void setView(F32 new_view); + virtual void setView(F32 vertical_fov_rads); void setViewHeightInPixels(S32 height); void setAspect(F32 new_aspect); void setNear(F32 new_near); @@ -148,6 +151,11 @@ public: F32 getAspect() const { return mAspect; } // width / height F32 getNear() const { return mNearPlane; } // meters F32 getFar() const { return mFarPlane; } // meters + + // The values returned by the min/max view getters depend upon the aspect ratio + // at the time they are called and therefore should not be cached. + F32 getMinView() const; + F32 getMaxView() const; F32 getYaw() const { |