| 69 |
|
|
| 70 |
|
/** Constructs and initializes a Quaternion from w, x, y, z values */ |
| 71 |
|
Quaternion(Real w, Real x, Real y, Real z) { |
| 72 |
< |
data_[0] = w; |
| 73 |
< |
data_[1] = x; |
| 74 |
< |
data_[2] = y; |
| 75 |
< |
data_[3] = z; |
| 72 |
> |
this->data_[0] = w; |
| 73 |
> |
this->data_[1] = x; |
| 74 |
> |
this->data_[2] = y; |
| 75 |
> |
this->data_[3] = z; |
| 76 |
|
} |
| 77 |
|
|
| 78 |
|
/** Constructs and initializes a Quaternion from a Vector<Real,4> */ |
| 95 |
|
* @return the value of the first element of this quaternion |
| 96 |
|
*/ |
| 97 |
|
Real w() const { |
| 98 |
< |
return data_[0]; |
| 98 |
> |
return this->data_[0]; |
| 99 |
|
} |
| 100 |
|
|
| 101 |
|
/** |
| 103 |
|
* @return the reference of the first element of this quaternion |
| 104 |
|
*/ |
| 105 |
|
Real& w() { |
| 106 |
< |
return data_[0]; |
| 106 |
> |
return this->data_[0]; |
| 107 |
|
} |
| 108 |
|
|
| 109 |
|
/** |
| 111 |
|
* @return the value of the first element of this quaternion |
| 112 |
|
*/ |
| 113 |
|
Real x() const { |
| 114 |
< |
return data_[1]; |
| 114 |
> |
return this->data_[1]; |
| 115 |
|
} |
| 116 |
|
|
| 117 |
|
/** |
| 119 |
|
* @return the reference of the second element of this quaternion |
| 120 |
|
*/ |
| 121 |
|
Real& x() { |
| 122 |
< |
return data_[1]; |
| 122 |
> |
return this->data_[1]; |
| 123 |
|
} |
| 124 |
|
|
| 125 |
|
/** |
| 127 |
|
* @return the value of the third element of this quaternion |
| 128 |
|
*/ |
| 129 |
|
Real y() const { |
| 130 |
< |
return data_[2]; |
| 130 |
> |
return this->data_[2]; |
| 131 |
|
} |
| 132 |
|
|
| 133 |
|
/** |
| 135 |
|
* @return the reference of the third element of this quaternion |
| 136 |
|
*/ |
| 137 |
|
Real& y() { |
| 138 |
< |
return data_[2]; |
| 138 |
> |
return this->data_[2]; |
| 139 |
|
} |
| 140 |
|
|
| 141 |
|
/** |
| 143 |
|
* @return the value of the fourth element of this quaternion |
| 144 |
|
*/ |
| 145 |
|
Real z() const { |
| 146 |
< |
return data_[3]; |
| 146 |
> |
return this->data_[3]; |
| 147 |
|
} |
| 148 |
|
/** |
| 149 |
|
* Returns the reference of the fourth element of this quaternion. |
| 150 |
|
* @return the reference of the fourth element of this quaternion |
| 151 |
|
*/ |
| 152 |
|
Real& z() { |
| 153 |
< |
return data_[3]; |
| 153 |
> |
return this->data_[3]; |
| 154 |
|
} |
| 155 |
|
|
| 156 |
|
/** |
| 161 |
|
inline bool operator ==(const Quaternion<Real>& q) { |
| 162 |
|
|
| 163 |
|
for (unsigned int i = 0; i < 4; i ++) { |
| 164 |
< |
if (!equal(data_[i], q[i])) { |
| 164 |
> |
if (!equal(this->data_[i], q[i])) { |
| 165 |
|
return false; |
| 166 |
|
} |
| 167 |
|
} |
| 194 |
|
void mul(const Quaternion<Real>& q) { |
| 195 |
|
Quaternion<Real> tmp(*this); |
| 196 |
|
|
| 197 |
< |
data_[0] = (tmp[0]*q[0]) -(tmp[1]*q[1]) - (tmp[2]*q[2]) - (tmp[3]*q[3]); |
| 198 |
< |
data_[1] = (tmp[0]*q[1]) + (tmp[1]*q[0]) + (tmp[2]*q[3]) - (tmp[3]*q[2]); |
| 199 |
< |
data_[2] = (tmp[0]*q[2]) + (tmp[2]*q[0]) + (tmp[3]*q[1]) - (tmp[1]*q[3]); |
| 200 |
< |
data_[3] = (tmp[0]*q[3]) + (tmp[3]*q[0]) + (tmp[1]*q[2]) - (tmp[2]*q[1]); |
| 197 |
> |
this->data_[0] = (tmp[0]*q[0]) -(tmp[1]*q[1]) - (tmp[2]*q[2]) - (tmp[3]*q[3]); |
| 198 |
> |
this->data_[1] = (tmp[0]*q[1]) + (tmp[1]*q[0]) + (tmp[2]*q[3]) - (tmp[3]*q[2]); |
| 199 |
> |
this->data_[2] = (tmp[0]*q[2]) + (tmp[2]*q[0]) + (tmp[3]*q[1]) - (tmp[1]*q[3]); |
| 200 |
> |
this->data_[3] = (tmp[0]*q[3]) + (tmp[3]*q[0]) + (tmp[1]*q[2]) - (tmp[2]*q[1]); |
| 201 |
|
} |
| 202 |
|
|
| 203 |
|
void mul(const Real& s) { |
| 204 |
< |
data_[0] *= s; |
| 205 |
< |
data_[1] *= s; |
| 206 |
< |
data_[2] *= s; |
| 207 |
< |
data_[3] *= s; |
| 204 |
> |
this->data_[0] *= s; |
| 205 |
> |
this->data_[1] *= s; |
| 206 |
> |
this->data_[2] *= s; |
| 207 |
> |
this->data_[3] *= s; |
| 208 |
|
} |
| 209 |
|
|
| 210 |
|
/** Set the value of this quaternion to the division of itself by another quaternion */ |
| 213 |
|
} |
| 214 |
|
|
| 215 |
|
void div(const Real& s) { |
| 216 |
< |
data_[0] /= s; |
| 217 |
< |
data_[1] /= s; |
| 218 |
< |
data_[2] /= s; |
| 219 |
< |
data_[3] /= s; |
| 216 |
> |
this->data_[0] /= s; |
| 217 |
> |
this->data_[1] /= s; |
| 218 |
> |
this->data_[2] /= s; |
| 219 |
> |
this->data_[3] /= s; |
| 220 |
|
} |
| 221 |
|
|
| 222 |
|
Quaternion<Real>& operator *=(const Quaternion<Real>& q) { |
| 258 |
|
Real y2; |
| 259 |
|
Real z2; |
| 260 |
|
|
| 261 |
< |
if (!isNormalized()) |
| 262 |
< |
normalize(); |
| 261 |
> |
if (!this->isNormalized()) |
| 262 |
> |
this->normalize(); |
| 263 |
|
|
| 264 |
|
w2 = w() * w(); |
| 265 |
|
x2 = x() * x(); |