diff options
Diffstat (limited to 'indra/llmath/llcamera.h')
| -rw-r--r-- | indra/llmath/llcamera.h | 39 |
1 files changed, 16 insertions, 23 deletions
diff --git a/indra/llmath/llcamera.h b/indra/llmath/llcamera.h index 922d6f9fac..ec67b91d05 100644 --- a/indra/llmath/llcamera.h +++ b/indra/llmath/llcamera.h @@ -31,6 +31,7 @@ #include "llmath.h" #include "llcoordframe.h" #include "llplane.h" +#include "llvector4a.h" const F32 DEFAULT_FIELD_OF_VIEW = 60.f * DEG_TO_RAD; const F32 DEFAULT_ASPECT_RATIO = 640.f / 480.f; @@ -50,15 +51,6 @@ const F32 MIN_FAR_PLANE = 0.2f; 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); - -static const LLVector3 NEG_X_AXIS(-1.f,0.f,0.f); -static const LLVector3 NEG_Y_AXIS(0.f,-1.f,0.f); -static const LLVector3 NEG_Z_AXIS(0.f,0.f,-1.f); - - // An LLCamera is an LLCoorFrame with a view frustum. // This means that it has several methods for moving it around // that are inherited from the LLCoordFrame() class : @@ -73,6 +65,12 @@ class LLCamera : public LLCoordFrame { public: + + LLCamera(const LLCamera& rhs) + { + *this = rhs; + } + enum { PLANE_LEFT = 0, PLANE_RIGHT = 1, @@ -110,6 +108,9 @@ public: }; private: + LLPlane mAgentPlanes[7]; //frustum planes in agent space a la gluUnproject (I'm a bastard, I know) - DaveP + U8 mPlaneMask[8]; // 8 for alignment + F32 mView; // angle between top and bottom frustum planes in radians. F32 mAspect; // width/height S32 mViewHeightInPixels; // for ViewHeightInPixels() only @@ -123,30 +124,22 @@ private: LLPlane mWorldPlanes[PLANE_NUM]; LLPlane mHorizPlanes[HORIZ_PLANE_NUM]; - struct frustum_plane - { - 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) public: LLVector3 mAgentFrustum[8]; //8 corners of 6-plane frustum F32 mFrustumCornerDist; //distance to corner of frustum against far clip plane - LLPlane getAgentPlane(U32 idx) { return mAgentPlanes[idx].p; } + LLPlane& getAgentPlane(U32 idx) { return mAgentPlanes[idx]; } public: LLCamera(); 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 + virtual ~LLCamera(); + - void setUserClipPlane(LLPlane plane); + void setUserClipPlane(LLPlane& plane); void disableUserClipPlane(); - U8 calcPlaneMask(const LLPlane& plane); virtual void setView(F32 vertical_fov_rads); void setViewHeightInPixels(S32 height); void setAspect(F32 new_aspect); @@ -193,8 +186,8 @@ public: S32 sphereInFrustum(const LLVector3 ¢er, const F32 radius) const; S32 pointInFrustum(const LLVector3 &point) const { return sphereInFrustum(point, 0.0f); } S32 sphereInFrustumFull(const LLVector3 ¢er, const F32 radius) const { return sphereInFrustum(center, radius); } - S32 AABBInFrustum(const LLVector3 ¢er, const LLVector3& radius); - S32 AABBInFrustumNoFarClip(const LLVector3 ¢er, const LLVector3& radius); + S32 AABBInFrustum(const LLVector4a& center, const LLVector4a& radius); + S32 AABBInFrustumNoFarClip(const LLVector4a& center, const LLVector4a& radius); //does a quick 'n dirty sphere-sphere check S32 sphereInFrustumQuick(const LLVector3 &sphere_center, const F32 radius); |