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-rwxr-xr-xindra/llmath/v3dmath.h150
1 files changed, 103 insertions, 47 deletions
diff --git a/indra/llmath/v3dmath.h b/indra/llmath/v3dmath.h
index 578dcdc8ea..4938273d5b 100755
--- a/indra/llmath/v3dmath.h
+++ b/indra/llmath/v3dmath.h
@@ -72,17 +72,22 @@ class LLVector3d
BOOL clamp(const F64 min, const F64 max); // Clamps all values to (min,max), returns TRUE if data changed
BOOL abs(); // sets all values to absolute value of original value (first octant), returns TRUE if changed
- inline const LLVector3d& clearVec(); // Clears LLVector3d to (0, 0, 0, 1)
+ inline const LLVector3d& clear(); // Clears LLVector3d to (0, 0, 0, 1)
+ inline const LLVector3d& clearVec(); // deprecated
inline const LLVector3d& setZero(); // Zero LLVector3d to (0, 0, 0, 0)
inline const LLVector3d& zeroVec(); // deprecated
- inline const LLVector3d& setVec(const F64 x, const F64 y, const F64 z); // Sets LLVector3d to (x, y, z, 1)
- inline const LLVector3d& setVec(const LLVector3d &vec); // Sets LLVector3d to vec
- inline const LLVector3d& setVec(const F64 *vec); // Sets LLVector3d to vec
- inline const LLVector3d& setVec(const LLVector3 &vec);
-
- F64 magVec() const; // Returns magnitude of LLVector3d
- F64 magVecSquared() const; // Returns magnitude squared of LLVector3d
- inline F64 normVec(); // Normalizes and returns the magnitude of LLVector3d
+ inline const LLVector3d& set(const F64 x, const F64 y, const F64 z); // Sets LLVector3d to (x, y, z, 1)
+ inline const LLVector3d& set(const LLVector3d &vec); // Sets LLVector3d to vec
+ inline const LLVector3d& set(const F64 *vec); // Sets LLVector3d to vec
+ inline const LLVector3d& set(const LLVector3 &vec);
+ inline const LLVector3d& setVec(const F64 x, const F64 y, const F64 z); // deprecated
+ inline const LLVector3d& setVec(const LLVector3d &vec); // deprecated
+ inline const LLVector3d& setVec(const F64 *vec); // deprecated
+ inline const LLVector3d& setVec(const LLVector3 &vec); // deprecated
+
+ F64 magVec() const; // deprecated
+ F64 magVecSquared() const; // deprecated
+ inline F64 normVec(); // deprecated
F64 length() const; // Returns magnitude of LLVector3d
F64 lengthSquared() const; // Returns magnitude squared of LLVector3d
@@ -101,25 +106,25 @@ class LLVector3d
F64 operator[](int idx) const { return mdV[idx]; }
F64 &operator[](int idx) { return mdV[idx]; }
- friend LLVector3d operator+(const LLVector3d &a, const LLVector3d &b); // Return vector a + b
- friend LLVector3d operator-(const LLVector3d &a, const LLVector3d &b); // Return vector a minus b
- friend F64 operator*(const LLVector3d &a, const LLVector3d &b); // Return a dot b
- friend LLVector3d operator%(const LLVector3d &a, const LLVector3d &b); // Return a cross b
- friend LLVector3d operator*(const LLVector3d &a, const F64 k); // Return a times scaler k
- friend LLVector3d operator/(const LLVector3d &a, const F64 k); // Return a divided by scaler k
- friend LLVector3d operator*(const F64 k, const LLVector3d &a); // Return a times scaler k
- friend bool operator==(const LLVector3d &a, const LLVector3d &b); // Return a == b
- friend bool operator!=(const LLVector3d &a, const LLVector3d &b); // Return a != b
+ friend LLVector3d operator+(const LLVector3d& a, const LLVector3d& b); // Return vector a + b
+ friend LLVector3d operator-(const LLVector3d& a, const LLVector3d& b); // Return vector a minus b
+ friend F64 operator*(const LLVector3d& a, const LLVector3d& b); // Return a dot b
+ friend LLVector3d operator%(const LLVector3d& a, const LLVector3d& b); // Return a cross b
+ friend LLVector3d operator*(const LLVector3d& a, const F64 k); // Return a times scaler k
+ friend LLVector3d operator/(const LLVector3d& a, const F64 k); // Return a divided by scaler k
+ friend LLVector3d operator*(const F64 k, const LLVector3d& a); // Return a times scaler k
+ friend bool operator==(const LLVector3d& a, const LLVector3d& b); // Return a == b
+ friend bool operator!=(const LLVector3d& a, const LLVector3d& b); // Return a != b
- friend const LLVector3d& operator+=(LLVector3d &a, const LLVector3d &b); // Return vector a + b
- friend const LLVector3d& operator-=(LLVector3d &a, const LLVector3d &b); // Return vector a minus b
- friend const LLVector3d& operator%=(LLVector3d &a, const LLVector3d &b); // Return a cross b
- friend const LLVector3d& operator*=(LLVector3d &a, const F64 k); // Return a times scaler k
- friend const LLVector3d& operator/=(LLVector3d &a, const F64 k); // Return a divided by scaler k
+ friend const LLVector3d& operator+=(LLVector3d& a, const LLVector3d& b); // Return vector a + b
+ friend const LLVector3d& operator-=(LLVector3d& a, const LLVector3d& b); // Return vector a minus b
+ friend const LLVector3d& operator%=(LLVector3d& a, const LLVector3d& b); // Return a cross b
+ friend const LLVector3d& operator*=(LLVector3d& a, const F64 k); // Return a times scaler k
+ friend const LLVector3d& operator/=(LLVector3d& a, const F64 k); // Return a divided by scaler k
- friend LLVector3d operator-(const LLVector3d &a); // Return vector -a
+ friend LLVector3d operator-(const LLVector3d& a); // Return vector -a
- friend std::ostream& operator<<(std::ostream& s, const LLVector3d &a); // Stream a
+ friend std::ostream& operator<<(std::ostream& s, const LLVector3d& a); // Stream a
static BOOL parseVector3d(const std::string& buf, LLVector3d* value);
@@ -127,7 +132,15 @@ class LLVector3d
typedef LLVector3d LLGlobalVec;
-const LLVector3d &LLVector3d::setVec(const LLVector3 &vec)
+inline const LLVector3d &LLVector3d::set(const LLVector3 &vec)
+{
+ mdV[0] = vec.mV[0];
+ mdV[1] = vec.mV[1];
+ mdV[2] = vec.mV[2];
+ return *this;
+}
+
+inline const LLVector3d &LLVector3d::setVec(const LLVector3 &vec)
{
mdV[0] = vec.mV[0];
mdV[1] = vec.mV[1];
@@ -184,6 +197,14 @@ inline BOOL LLVector3d::isFinite() const
// Clear and Assignment Functions
+inline const LLVector3d& LLVector3d::clear(void)
+{
+ mdV[0] = 0.f;
+ mdV[1] = 0.f;
+ mdV[2]= 0.f;
+ return (*this);
+}
+
inline const LLVector3d& LLVector3d::clearVec(void)
{
mdV[0] = 0.f;
@@ -208,6 +229,30 @@ inline const LLVector3d& LLVector3d::zeroVec(void)
return (*this);
}
+inline const LLVector3d& LLVector3d::set(const F64 x, const F64 y, const F64 z)
+{
+ mdV[VX] = x;
+ mdV[VY] = y;
+ mdV[VZ] = z;
+ return (*this);
+}
+
+inline const LLVector3d& LLVector3d::set(const LLVector3d &vec)
+{
+ mdV[0] = vec.mdV[0];
+ mdV[1] = vec.mdV[1];
+ mdV[2] = vec.mdV[2];
+ return (*this);
+}
+
+inline const LLVector3d& LLVector3d::set(const F64 *vec)
+{
+ mdV[0] = vec[0];
+ mdV[1] = vec[1];
+ mdV[2] = vec[2];
+ return (*this);
+}
+
inline const LLVector3d& LLVector3d::setVec(const F64 x, const F64 y, const F64 z)
{
mdV[VX] = x;
@@ -298,59 +343,59 @@ inline F64 LLVector3d::lengthSquared(void) const
return mdV[0]*mdV[0] + mdV[1]*mdV[1] + mdV[2]*mdV[2];
}
-inline LLVector3d operator+(const LLVector3d &a, const LLVector3d &b)
+inline LLVector3d operator+(const LLVector3d& a, const LLVector3d& b)
{
LLVector3d c(a);
return c += b;
}
-inline LLVector3d operator-(const LLVector3d &a, const LLVector3d &b)
+inline LLVector3d operator-(const LLVector3d& a, const LLVector3d& b)
{
LLVector3d c(a);
return c -= b;
}
-inline F64 operator*(const LLVector3d &a, const LLVector3d &b)
+inline F64 operator*(const LLVector3d& a, const LLVector3d& b)
{
return (a.mdV[0]*b.mdV[0] + a.mdV[1]*b.mdV[1] + a.mdV[2]*b.mdV[2]);
}
-inline LLVector3d operator%(const LLVector3d &a, const LLVector3d &b)
+inline LLVector3d operator%(const LLVector3d& a, const LLVector3d& b)
{
return LLVector3d( a.mdV[1]*b.mdV[2] - b.mdV[1]*a.mdV[2], a.mdV[2]*b.mdV[0] - b.mdV[2]*a.mdV[0], a.mdV[0]*b.mdV[1] - b.mdV[0]*a.mdV[1] );
}
-inline LLVector3d operator/(const LLVector3d &a, const F64 k)
+inline LLVector3d operator/(const LLVector3d& a, const F64 k)
{
F64 t = 1.f / k;
return LLVector3d( a.mdV[0] * t, a.mdV[1] * t, a.mdV[2] * t );
}
-inline LLVector3d operator*(const LLVector3d &a, const F64 k)
+inline LLVector3d operator*(const LLVector3d& a, const F64 k)
{
return LLVector3d( a.mdV[0] * k, a.mdV[1] * k, a.mdV[2] * k );
}
-inline LLVector3d operator*(F64 k, const LLVector3d &a)
+inline LLVector3d operator*(F64 k, const LLVector3d& a)
{
return LLVector3d( a.mdV[0] * k, a.mdV[1] * k, a.mdV[2] * k );
}
-inline bool operator==(const LLVector3d &a, const LLVector3d &b)
+inline bool operator==(const LLVector3d& a, const LLVector3d& b)
{
return ( (a.mdV[0] == b.mdV[0])
&&(a.mdV[1] == b.mdV[1])
&&(a.mdV[2] == b.mdV[2]));
}
-inline bool operator!=(const LLVector3d &a, const LLVector3d &b)
+inline bool operator!=(const LLVector3d& a, const LLVector3d& b)
{
return ( (a.mdV[0] != b.mdV[0])
||(a.mdV[1] != b.mdV[1])
||(a.mdV[2] != b.mdV[2]));
}
-inline const LLVector3d& operator+=(LLVector3d &a, const LLVector3d &b)
+inline const LLVector3d& operator+=(LLVector3d& a, const LLVector3d& b)
{
a.mdV[0] += b.mdV[0];
a.mdV[1] += b.mdV[1];
@@ -358,7 +403,7 @@ inline const LLVector3d& operator+=(LLVector3d &a, const LLVector3d &b)
return a;
}
-inline const LLVector3d& operator-=(LLVector3d &a, const LLVector3d &b)
+inline const LLVector3d& operator-=(LLVector3d& a, const LLVector3d& b)
{
a.mdV[0] -= b.mdV[0];
a.mdV[1] -= b.mdV[1];
@@ -366,14 +411,14 @@ inline const LLVector3d& operator-=(LLVector3d &a, const LLVector3d &b)
return a;
}
-inline const LLVector3d& operator%=(LLVector3d &a, const LLVector3d &b)
+inline const LLVector3d& operator%=(LLVector3d& a, const LLVector3d& b)
{
LLVector3d ret( a.mdV[1]*b.mdV[2] - b.mdV[1]*a.mdV[2], a.mdV[2]*b.mdV[0] - b.mdV[2]*a.mdV[0], a.mdV[0]*b.mdV[1] - b.mdV[0]*a.mdV[1]);
a = ret;
return a;
}
-inline const LLVector3d& operator*=(LLVector3d &a, const F64 k)
+inline const LLVector3d& operator*=(LLVector3d& a, const F64 k)
{
a.mdV[0] *= k;
a.mdV[1] *= k;
@@ -381,7 +426,7 @@ inline const LLVector3d& operator*=(LLVector3d &a, const F64 k)
return a;
}
-inline const LLVector3d& operator/=(LLVector3d &a, const F64 k)
+inline const LLVector3d& operator/=(LLVector3d& a, const F64 k)
{
F64 t = 1.f / k;
a.mdV[0] *= t;
@@ -390,12 +435,12 @@ inline const LLVector3d& operator/=(LLVector3d &a, const F64 k)
return a;
}
-inline LLVector3d operator-(const LLVector3d &a)
+inline LLVector3d operator-(const LLVector3d& a)
{
return LLVector3d( -a.mdV[0], -a.mdV[1], -a.mdV[2] );
}
-inline F64 dist_vec(const LLVector3d &a, const LLVector3d &b)
+inline F64 dist_vec(const LLVector3d& a, const LLVector3d& b)
{
F64 x = a.mdV[0] - b.mdV[0];
F64 y = a.mdV[1] - b.mdV[1];
@@ -403,7 +448,7 @@ inline F64 dist_vec(const LLVector3d &a, const LLVector3d &b)
return (F32) sqrt( x*x + y*y + z*z );
}
-inline F64 dist_vec_squared(const LLVector3d &a, const LLVector3d &b)
+inline F64 dist_vec_squared(const LLVector3d& a, const LLVector3d& b)
{
F64 x = a.mdV[0] - b.mdV[0];
F64 y = a.mdV[1] - b.mdV[1];
@@ -411,14 +456,14 @@ inline F64 dist_vec_squared(const LLVector3d &a, const LLVector3d &b)
return x*x + y*y + z*z;
}
-inline F64 dist_vec_squared2D(const LLVector3d &a, const LLVector3d &b)
+inline F64 dist_vec_squared2D(const LLVector3d& a, const LLVector3d& b)
{
F64 x = a.mdV[0] - b.mdV[0];
F64 y = a.mdV[1] - b.mdV[1];
return x*x + y*y;
}
-inline LLVector3d lerp(const LLVector3d &a, const LLVector3d &b, const F64 u)
+inline LLVector3d lerp(const LLVector3d& a, const LLVector3d& b, const F64 u)
{
return LLVector3d(
a.mdV[VX] + (b.mdV[VX] - a.mdV[VX]) * u,
@@ -450,7 +495,7 @@ inline F64 angle_between(const LLVector3d& a, const LLVector3d& b)
return angle;
}
-inline BOOL are_parallel(const LLVector3d &a, const LLVector3d &b, const F64 epsilon)
+inline BOOL are_parallel(const LLVector3d& a, const LLVector3d& b, const F64 epsilon)
{
LLVector3d an = a;
LLVector3d bn = b;
@@ -465,11 +510,22 @@ inline BOOL are_parallel(const LLVector3d &a, const LLVector3d &b, const F64 eps
}
-inline LLVector3d projected_vec(const LLVector3d &a, const LLVector3d &b)
+inline LLVector3d projected_vec(const LLVector3d& a, const LLVector3d& b)
{
LLVector3d project_axis = b;
project_axis.normalize();
return project_axis * (a * project_axis);
}
+inline LLVector3d inverse_projected_vec(const LLVector3d& a, const LLVector3d& b)
+{
+ LLVector3d normalized_a = a;
+ normalized_a.normalize();
+ LLVector3d normalized_b = b;
+ F64 b_length = normalized_b.normalize();
+
+ F64 dot_product = normalized_a * normalized_b;
+ return normalized_a * (b_length / dot_product);
+}
+
#endif // LL_V3DMATH_H