Developer Documentation

prototypeVec4d.cc
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40 \*===========================================================================*/
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
82 void prototypeVec4d::zero() {
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
111 void prototypeVec4d::normalize() {
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
prototypeVec4d::sub
void sub(QScriptValue _vector)
Subtracts another vector from this vector.
Definition: prototypeVec4d.cc:75
prototypeVec4d::multiply
void multiply(QScriptValue _scalar)
Multiplies the given vector with the scalar.
Definition: prototypeVec4d.cc:60
prototypeVec4d::sprod
QScriptValue sprod(QScriptValue _vector)
Calculate scalar product.
Definition: prototypeVec4d.cc:89
prototypeVec4d::zero
void zero()
Resets all components of the vector to zero.
Definition: prototypeVec4d.cc:82
prototypeVec4d::norm
QScriptValue norm()
Calculate the Euclidean norm of the vector.
Definition: prototypeVec4d.cc:97
prototypeVec4d::normalize
void normalize()
Normalize the vector.
Definition: prototypeVec4d.cc:111
prototypeVec4d::sqrnorm
QScriptValue sqrnorm()
Calculate the squared Euclidean norm of the vector.
Definition: prototypeVec4d.cc:104
prototypeVec4d::add
void add(QScriptValue _vector)
Adds another vector to this vector.
Definition: prototypeVec4d.cc:67