Developer Documentation
prototypeVec3d.cc
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52 
53 //
54 // C++ Interface: prototypeVec3d
55 //
56 // Description:
57 //
58 //
59 // Author: Jan Möbius <moebius@cs.rwth-aachen.de>, (C) 2007
60 //
61 
62 #define PROTOTYPEVEC3D_C
63 
64 #include "prototypeVec3d.hh"
65 
66 prototypeVec3d::prototypeVec3d(QObject *parent ) :
67  QObject(parent)
68 {
69 
70 }
71 
72 QString prototypeVec3d::toString() const {
73  return "Vector : ( " +
74  thisObject().property("x").toString() + "," +
75  thisObject().property("y").toString() + "," +
76  thisObject().property("z").toString() + " )";
77 }
78 
79 void prototypeVec3d::multiply(QScriptValue _scalar) {
80  thisObject().setProperty("x", QScriptValue(thisObject().property("x").toNumber() * _scalar.toNumber()));
81  thisObject().setProperty("y", QScriptValue(thisObject().property("y").toNumber() * _scalar.toNumber()));
82  thisObject().setProperty("z", QScriptValue(thisObject().property("z").toNumber() * _scalar.toNumber()));
83 }
84 
85 void prototypeVec3d::add(QScriptValue _vector) {
86  thisObject().setProperty("x", QScriptValue(_vector.property("x").toNumber() + thisObject().property("x").toNumber()));
87  thisObject().setProperty("y", QScriptValue(_vector.property("y").toNumber() + thisObject().property("y").toNumber()));
88  thisObject().setProperty("z", QScriptValue(_vector.property("z").toNumber() + thisObject().property("z").toNumber()));
89 }
90 
91 
92 void prototypeVec3d::sub(QScriptValue _vector) {
93  thisObject().setProperty("x", QScriptValue(thisObject().property("x").toNumber() - _vector.property("x").toNumber()));
94  thisObject().setProperty("y", QScriptValue(thisObject().property("y").toNumber() - _vector.property("y").toNumber()));
95  thisObject().setProperty("z", QScriptValue(thisObject().property("z").toNumber() - _vector.property("z").toNumber()));
96 }
97 
98 void prototypeVec3d::zero() {
99  thisObject().setProperty("x", QScriptValue(0.0));
100  thisObject().setProperty("y", QScriptValue(0.0));
101  thisObject().setProperty("z", QScriptValue(0.0));
102 }
103 
104 QScriptValue prototypeVec3d::sprod(QScriptValue _vector) {
105  return QScriptValue( thisObject().property("x").toNumber() * _vector.property("x").toNumber() +
106  thisObject().property("y").toNumber() * _vector.property("y").toNumber() +
107  thisObject().property("z").toNumber() * _vector.property("z").toNumber() );
108 
109 }
110 
111 QScriptValue prototypeVec3d::norm() {
112  return QScriptValue( sqrt( thisObject().property("x").toNumber() * thisObject().property("x").toNumber() +
113  thisObject().property("y").toNumber() * thisObject().property("y").toNumber() +
114  thisObject().property("z").toNumber() * thisObject().property("z").toNumber() ) );
115 }
116 
117 QScriptValue prototypeVec3d::sqrnorm() {
118  return QScriptValue( thisObject().property("x").toNumber() * thisObject().property("x").toNumber() +
119  thisObject().property("y").toNumber() * thisObject().property("y").toNumber() +
120  thisObject().property("z").toNumber() * thisObject().property("z").toNumber() );
121 }
122 
123 void prototypeVec3d::normalize() {
124  double length = sqrt( thisObject().property("x").toNumber() * thisObject().property("x").toNumber() +
125  thisObject().property("y").toNumber() * thisObject().property("y").toNumber() +
126  thisObject().property("z").toNumber() * thisObject().property("z").toNumber() );
127 
128  if ( length != 0.0 ) {
129  thisObject().setProperty("x", ( thisObject().property("x").toNumber() / length ) );
130  thisObject().setProperty("y", ( thisObject().property("y").toNumber() / length ) );
131  thisObject().setProperty("z", ( thisObject().property("z").toNumber() / length ) );
132  }
133 
134 
135 }
136 
prototypeVec3d::normalize
void normalize()
Normalize the vector.
Definition: prototypeVec3d.cc:123
prototypeVec3d::zero
void zero()
Resets all components of the vector to zero.
Definition: prototypeVec3d.cc:98
prototypeVec3d::sub
void sub(QScriptValue _vector)
Subtracts another vector from this vector.
Definition: prototypeVec3d.cc:92
prototypeVec3d::sprod
QScriptValue sprod(QScriptValue _vector)
Calculate scalar product.
Definition: prototypeVec3d.cc:104
prototypeVec3d::add
void add(QScriptValue _vector)
Adds another vector to this vector.
Definition: prototypeVec3d.cc:85
prototypeVec3d::sqrnorm
QScriptValue sqrnorm()
Calculate the squared Euclidean norm of the vector.
Definition: prototypeVec3d.cc:117
prototypeVec3d::multiply
void multiply(QScriptValue _scalar)
Multiplies the given vector with the scalar.
Definition: prototypeVec3d.cc:79
prototypeVec3d::norm
QScriptValue norm()
Calculate the Euclidean norm of the vector.
Definition: prototypeVec3d.cc:111