diff options
Diffstat (limited to 'indra/llmath/v4math.h')
-rw-r--r-- | indra/llmath/v4math.h | 128 |
1 files changed, 27 insertions, 101 deletions
diff --git a/indra/llmath/v4math.h b/indra/llmath/v4math.h index e2092d1277..4f36dc6533 100644 --- a/indra/llmath/v4math.h +++ b/indra/llmath/v4math.h @@ -148,34 +148,22 @@ LLVector4 lerp(const LLVector4 &a, const LLVector4 &b, F32 u); // Returns a vect inline LLVector4::LLVector4(void) { - mV[VX] = 0.f; - mV[VY] = 0.f; - mV[VZ] = 0.f; - mV[VW] = 1.f; + clear(); } inline LLVector4::LLVector4(F32 x, F32 y, F32 z) { - mV[VX] = x; - mV[VY] = y; - mV[VZ] = z; - mV[VW] = 1.f; + set(x, y, z, 1.f); } inline LLVector4::LLVector4(F32 x, F32 y, F32 z, F32 w) { - mV[VX] = x; - mV[VY] = y; - mV[VZ] = z; - mV[VW] = w; + set(x, y, z, w); } inline LLVector4::LLVector4(const F32 *vec) { - mV[VX] = vec[VX]; - mV[VY] = vec[VY]; - mV[VZ] = vec[VZ]; - mV[VW] = vec[VW]; + set(vec); } inline LLVector4::LLVector4(const F64 *vec) @@ -204,18 +192,12 @@ inline LLVector4::LLVector4(const LLVector2 &vec, F32 z, F32 w) inline LLVector4::LLVector4(const LLVector3 &vec) { - mV[VX] = vec.mV[VX]; - mV[VY] = vec.mV[VY]; - mV[VZ] = vec.mV[VZ]; - mV[VW] = 1.f; + set(vec, 1.f); } inline LLVector4::LLVector4(const LLVector3 &vec, F32 w) { - mV[VX] = vec.mV[VX]; - mV[VY] = vec.mV[VY]; - mV[VZ] = vec.mV[VZ]; - mV[VW] = w; + set(vec, w); } inline LLVector4::LLVector4(const LLSD &sd) @@ -226,43 +208,31 @@ inline LLVector4::LLVector4(const LLSD &sd) inline bool LLVector4::isFinite() const { - return (llfinite(mV[VX]) && llfinite(mV[VY]) && llfinite(mV[VZ]) && llfinite(mV[VW])); + return llfinite(mV[VX]) && llfinite(mV[VY]) && llfinite(mV[VZ]) && llfinite(mV[VW]); } // Clear and Assignment Functions inline void LLVector4::clear() { - mV[VX] = 0.f; - mV[VY] = 0.f; - mV[VZ] = 0.f; - mV[VW] = 1.f; + set(0.f, 0.f, 0.f, 1.f); } // deprecated inline void LLVector4::clearVec() { - mV[VX] = 0.f; - mV[VY] = 0.f; - mV[VZ] = 0.f; - mV[VW] = 1.f; + clear(); } // deprecated inline void LLVector4::zeroVec() { - mV[VX] = 0.f; - mV[VY] = 0.f; - mV[VZ] = 0.f; - mV[VW] = 0.f; + set(0.f, 0.f, 0.f, 0.f); } inline void LLVector4::set(F32 x, F32 y, F32 z) { - mV[VX] = x; - mV[VY] = y; - mV[VZ] = z; - mV[VW] = 1.f; + set(x, y, z, 1.f); } inline void LLVector4::set(F32 x, F32 y, F32 z, F32 w) @@ -275,10 +245,7 @@ inline void LLVector4::set(F32 x, F32 y, F32 z, F32 w) inline void LLVector4::set(const LLVector4& vec) { - mV[VX] = vec.mV[VX]; - mV[VY] = vec.mV[VY]; - mV[VZ] = vec.mV[VZ]; - mV[VW] = vec.mV[VW]; + set(vec.mV); } inline void LLVector4::set(const LLVector3& vec, F32 w) @@ -297,57 +264,41 @@ inline void LLVector4::set(const F32* vec) mV[VW] = vec[VW]; } - // deprecated inline void LLVector4::setVec(F32 x, F32 y, F32 z) { - mV[VX] = x; - mV[VY] = y; - mV[VZ] = z; - mV[VW] = 1.f; + set(x, y, z); } // deprecated inline void LLVector4::setVec(F32 x, F32 y, F32 z, F32 w) { - mV[VX] = x; - mV[VY] = y; - mV[VZ] = z; - mV[VW] = w; + set(x, y, z, w); } // deprecated inline void LLVector4::setVec(const LLVector4& vec) { - mV[VX] = vec.mV[VX]; - mV[VY] = vec.mV[VY]; - mV[VZ] = vec.mV[VZ]; - mV[VW] = vec.mV[VW]; + set(vec); } // deprecated inline void LLVector4::setVec(const LLVector3& vec, F32 w) { - mV[VX] = vec.mV[VX]; - mV[VY] = vec.mV[VY]; - mV[VZ] = vec.mV[VZ]; - mV[VW] = w; + set(vec, w); } // deprecated inline void LLVector4::setVec(const F32* vec) { - mV[VX] = vec[VX]; - mV[VY] = vec[VY]; - mV[VZ] = vec[VZ]; - mV[VW] = vec[VW]; + set(vec); } // LLVector4 Magnitude and Normalization Functions inline F32 LLVector4::length() const { - return sqrt(mV[VX]*mV[VX] + mV[VY]*mV[VY] + mV[VZ]*mV[VZ]); + return sqrt(lengthSquared()); } inline F32 LLVector4::lengthSquared() const @@ -357,12 +308,12 @@ inline F32 LLVector4::lengthSquared() const inline F32 LLVector4::magVec() const { - return sqrt(mV[VX]*mV[VX] + mV[VY]*mV[VY] + mV[VZ]*mV[VZ]); + return length(); } inline F32 LLVector4::magVecSquared() const { - return mV[VX]*mV[VX] + mV[VY]*mV[VY] + mV[VZ]*mV[VZ]; + return lengthSquared(); } // LLVector4 Operators @@ -381,7 +332,7 @@ inline LLVector4 operator-(const LLVector4& a, const LLVector4& b) inline F32 operator*(const LLVector4& a, const LLVector4& b) { - return (a.mV[VX]*b.mV[VX] + a.mV[VY]*b.mV[VY] + a.mV[VZ]*b.mV[VZ]); + return a.mV[VX]*b.mV[VX] + a.mV[VY]*b.mV[VY] + a.mV[VZ]*b.mV[VZ]; } inline LLVector4 operator%(const LLVector4& a, const LLVector4& b) @@ -454,11 +405,7 @@ inline const LLVector4& operator*=(LLVector4& a, F32 k) inline const LLVector4& operator/=(LLVector4& a, F32 k) { - F32 t = 1.f / k; - a.mV[VX] *= t; - a.mV[VY] *= t; - a.mV[VZ] *= t; - return a; + return a *= 1.f / k; } inline LLVector4 operator-(const LLVector4& a) @@ -469,13 +416,13 @@ inline LLVector4 operator-(const LLVector4& a) inline F32 dist_vec(const LLVector4& a, const LLVector4& b) { LLVector4 vec = a - b; - return (vec.length()); + return vec.length(); } inline F32 dist_vec_squared(const LLVector4& a, const LLVector4& b) { LLVector4 vec = a - b; - return (vec.lengthSquared()); + return vec.lengthSquared(); } inline LLVector4 lerp(const LLVector4& a, const LLVector4& b, F32 u) @@ -490,14 +437,10 @@ inline LLVector4 lerp(const LLVector4& a, const LLVector4& b, F32 u) inline F32 LLVector4::normalize() { F32 mag = sqrt(mV[VX]*mV[VX] + mV[VY]*mV[VY] + mV[VZ]*mV[VZ]); - F32 oomag; if (mag > FP_MAG_THRESHOLD) { - oomag = 1.f/mag; - mV[VX] *= oomag; - mV[VY] *= oomag; - mV[VZ] *= oomag; + *this /= mag; } else { @@ -506,30 +449,13 @@ inline F32 LLVector4::normalize() mV[VZ] = 0.f; mag = 0.f; } - return (mag); + return mag; } // deprecated inline F32 LLVector4::normVec() { - F32 mag = sqrt(mV[VX]*mV[VX] + mV[VY]*mV[VY] + mV[VZ]*mV[VZ]); - F32 oomag; - - if (mag > FP_MAG_THRESHOLD) - { - oomag = 1.f/mag; - mV[VX] *= oomag; - mV[VY] *= oomag; - mV[VZ] *= oomag; - } - else - { - mV[VX] = 0.f; - mV[VY] = 0.f; - mV[VZ] = 0.f; - mag = 0.f; - } - return (mag); + return normalize(); } // Because apparently some parts of the viewer use this for color info. |