blob: 50a6c7b7561e511a0419eb92c80fabf4de2ae0df (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "qquickrectangleextruder_p.h"
#include <QRandomGenerator>
QT_BEGIN_NAMESPACE
/*!
\qmltype RectangleShape
\instantiates QQuickRectangleExtruder
\inqmlmodule QtQuick.Particles
\brief For specifying an area for affectors and emitter.
\ingroup qtquick-particles
Just a rectangle.
*/
QQuickRectangleExtruder::QQuickRectangleExtruder(QObject *parent) :
QQuickParticleExtruder(parent), m_fill(true)
{
}
QPointF QQuickRectangleExtruder::extrude(const QRectF &rect)
{
if (m_fill)
return QPointF(QRandomGenerator::global()->generateDouble() * rect.width() + rect.x(),
QRandomGenerator::global()->generateDouble() * rect.height() + rect.y());
int side = QRandomGenerator::global()->bounded(4);
switch (side){//TODO: Doesn't this overlap the corners?
case 0:
return QPointF(rect.x(),
QRandomGenerator::global()->generateDouble() * rect.height() + rect.y());
case 1:
return QPointF(rect.width() + rect.x(),
QRandomGenerator::global()->generateDouble() * rect.height() + rect.y());
case 2:
return QPointF(QRandomGenerator::global()->generateDouble() * rect.width() + rect.x(),
rect.y());
default:
return QPointF(QRandomGenerator::global()->generateDouble() * rect.width() + rect.x(),
rect.height() + rect.y());
}
}
bool QQuickRectangleExtruder::contains(const QRectF &bounds, const QPointF &point)
{
return bounds.contains(point);
}
QT_END_NAMESPACE
#include "moc_qquickrectangleextruder_p.cpp"
|
