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 normalize()
Normalize the vector.
QScriptValue norm()
Calculate the Euclidean norm of the vector.
void multiply(QScriptValue _scalar)
Multiplies the given vector with the scalar.
void zero()
Resets all components of the vector to zero.
void add(QScriptValue _vector)
Adds another vector to this vector.
QScriptValue sqrnorm()
Calculate the squared Euclidean norm of the vector.
void sub(QScriptValue _vector)
Subtracts another vector from this vector.
QScriptValue sprod(QScriptValue _vector)
Calculate scalar product.