Developer Documentation
prototypeVec4d.cc
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41 
42 #define PROTOTYPEVEC4D_C
43 
44 #include "prototypeVec4d.hh"
45 
46 prototypeVec4d::prototypeVec4d(QObject *parent ) :
47  QObject(parent)
48 {
49 
50 }
51 
52 QString prototypeVec4d::toString() const {
53  return "Vector : ( " +
54  thisObject().property("x").toString() + "," +
55  thisObject().property("y").toString() + "," +
56  thisObject().property("z").toString() + "," +
57  thisObject().property("w").toString() + " )";
58 }
59 
60 void prototypeVec4d::multiply(QScriptValue _scalar) {
61  thisObject().setProperty("x", QScriptValue(thisObject().property("x").toNumber() * _scalar.toNumber()));
62  thisObject().setProperty("y", QScriptValue(thisObject().property("y").toNumber() * _scalar.toNumber()));
63  thisObject().setProperty("z", QScriptValue(thisObject().property("z").toNumber() * _scalar.toNumber()));
64  thisObject().setProperty("w", QScriptValue(thisObject().property("w").toNumber() * _scalar.toNumber()));
65 }
66 
67 void prototypeVec4d::add(QScriptValue _vector) {
68  thisObject().setProperty("x", QScriptValue(_vector.property("x").toNumber() + thisObject().property("x").toNumber()));
69  thisObject().setProperty("y", QScriptValue(_vector.property("y").toNumber() + thisObject().property("y").toNumber()));
70  thisObject().setProperty("z", QScriptValue(_vector.property("z").toNumber() + thisObject().property("z").toNumber()));
71  thisObject().setProperty("w", QScriptValue(_vector.property("w").toNumber() + thisObject().property("w").toNumber()));
72 }
73 
74 
75 void prototypeVec4d::sub(QScriptValue _vector) {
76  thisObject().setProperty("x", QScriptValue(thisObject().property("x").toNumber() - _vector.property("x").toNumber()));
77  thisObject().setProperty("y", QScriptValue(thisObject().property("y").toNumber() - _vector.property("y").toNumber()));
78  thisObject().setProperty("z", QScriptValue(thisObject().property("z").toNumber() - _vector.property("z").toNumber()));
79  thisObject().setProperty("w", QScriptValue(thisObject().property("w").toNumber() - _vector.property("w").toNumber()));
80 }
81 
83  thisObject().setProperty("x", QScriptValue(0.0));
84  thisObject().setProperty("y", QScriptValue(0.0));
85  thisObject().setProperty("z", QScriptValue(0.0));
86  thisObject().setProperty("w", QScriptValue(0.0));
87 }
88 
89 QScriptValue prototypeVec4d::sprod(QScriptValue _vector) {
90  return QScriptValue( thisObject().property("x").toNumber() * _vector.property("x").toNumber() +
91  thisObject().property("y").toNumber() * _vector.property("y").toNumber() +
92  thisObject().property("z").toNumber() * _vector.property("z").toNumber() +
93  thisObject().property("w").toNumber() * _vector.property("w").toNumber() );
94 
95 }
96 
97 QScriptValue prototypeVec4d::norm() {
98  return QScriptValue( sqrt( thisObject().property("x").toNumber() * thisObject().property("x").toNumber() +
99  thisObject().property("y").toNumber() * thisObject().property("y").toNumber() +
100  thisObject().property("z").toNumber() * thisObject().property("z").toNumber() +
101  thisObject().property("w").toNumber() * thisObject().property("w").toNumber() ) );
102 }
103 
104 QScriptValue prototypeVec4d::sqrnorm() {
105  return QScriptValue( thisObject().property("x").toNumber() * thisObject().property("x").toNumber() +
106  thisObject().property("y").toNumber() * thisObject().property("y").toNumber() +
107  thisObject().property("z").toNumber() * thisObject().property("z").toNumber() +
108  thisObject().property("w").toNumber() * thisObject().property("w").toNumber() );
109 }
110 
112  double length = 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  thisObject().property("w").toNumber() * thisObject().property("w").toNumber() );
116 
117  if ( length != 0.0 ) {
118  thisObject().setProperty("x", ( thisObject().property("x").toNumber() / length ) );
119  thisObject().setProperty("y", ( thisObject().property("y").toNumber() / length ) );
120  thisObject().setProperty("z", ( thisObject().property("z").toNumber() / length ) );
121  thisObject().setProperty("w", ( thisObject().property("w").toNumber() / length ) );
122  }
123 
124 
125 }
126 
void sub(QScriptValue _vector)
Subtracts another vector from this vector.
void multiply(QScriptValue _scalar)
Multiplies the given vector with the scalar.
QScriptValue sprod(QScriptValue _vector)
Calculate scalar product.
void zero()
Resets all components of the vector to zero.
QScriptValue norm()
Calculate the Euclidean norm of the vector.
void normalize()
Normalize the vector.
QScriptValue sqrnorm()
Calculate the squared Euclidean norm of the vector.
void add(QScriptValue _vector)
Adds another vector to this vector.