vector4 vector4::Transform(const vector2& v, const matrix& m)
{
vector4 result = vector4(
(v.x() * m(0,0)) + (v.y() * m(1,0)) + m(3,0),
(v.x() * m(0,1)) + (v.y() * m(1,1)) + m(3,1),
(v.x() * m(0,2)) + (v.y() * m(1,2)) + m(3,2),
(v.x() * m(0,3)) + (v.y() * m(1,3)) + m(3,3));
return result;
}
const vector2 vector2::operator / (const vector2 &v2) const
{
vector2 r;
r.x() = x() / v2.x();
r.y() = y() / v2.y();
return r;
}
static vector2 trunk(const vector2& v, number smallestVal)
{
vector2 t;
t.x() = smallestVal * round(v.x() / smallestVal);
t.y() = smallestVal * round(v.y() / smallestVal);
return t;
}
vector2 vector2::Transform(const vector2& v, const matrix& m)
{
vector2 result = vector2(
(v.x() * m(0,0)) + (v.y() * m(0,1)) + m(3,0),
(v.x() * m(1,0)) + (v.y() * m(1,1)) + m(3,1));
return result;
}
bool QtWindowSystem::init(const vector2<int>& r, int /*bpp*/, bool /*fullscreen*/)
{
if (view_ == nullptr)
{
// check for Qt Application class instance
if (QApplication::instance() == nullptr)
{
int argc = 0;
static QApplication application(argc, nullptr);
}
view_ = new QtView;
view_->setGeometry(0, 0, r.x(), r.y());
set_format(WindowContextFormat());
}
return true;
}
// Equality operations
bool vector2::operator == (const vector2 &v) const
{
return ((x() == v.x()) && (y() == v.y()));
}
// Returns the dot product of two vectors
float vector2::Dot(const vector2 &v2) const
{
return ((x() * v2.x()) + (y() * v2.y()));
}
vector3::vector3(const vector2& source, float z)
{
v[0] = source.x(), v[1] = source.y(), v[2] = z;
}