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
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
|
/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtQuick3D examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
** the names of its contributors may be used to endorse or promote
** products derived from this software without specific prior written
** permission.
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
** $QT_END_LICENSE$
**
****************************************************************************/
import QtQuick 1.0
import Qt3D 1.0
Rectangle {
property string name: "Images Shader"
property string icon: "images/teapot-logo.png"
width: 640; height: 480
id: top
color: "black"
property bool flag : true
property string imageUrl: flag ?
"images/qtlogo.png" :
"images/basket.jpg"
Image {
id: myChangingImage
source: imageUrl
}
Viewport {
anchors.fill: parent
MouseArea
{
anchors.fill: parent
onClicked: top.flag = !top.flag
}
Item3D {
mesh: Mesh { source: "meshes/teapot.bez" }
effect: shaderEffect
transform: Rotation3D {
NumberAnimation on angle{
running: true
loops: Animation.Infinite
from: 0
to: 360
duration: 18000
}
axis: Qt.vector3d(1, -0.3, 0)
}
}
ShaderProgram {
id: shaderEffect
property alias myBoolean : top.flag
property variant textureOffset : Qt.size(textureOffsetX * 5, 0.0)
property real textureOffsetX : 0.0
// Default texture that the shaderprogram will get until something else
// is bound:
texture: "images/qtlogo.png"
// This property is automatically hooked up to the image uniform
// in the shader program below.
property string image : imageUrl
SequentialAnimation on textureOffsetX {
running: true
loops: Animation.Infinite
PauseAnimation { duration: 2500 }
NumberAnimation { from: 0.0; to: 1.0; duration: 1500; easing.type:"OutBounce" }
PauseAnimation { duration: 2500 }
NumberAnimation { from: 1.0; to: 0.0; duration: 1500; easing.type:"OutBounce" }
}
vertexShader: "
attribute highp vec4 qt_Vertex;
attribute highp vec4 qt_MultiTexCoord0;
uniform mediump mat4 qt_ModelViewProjectionMatrix;
varying highp vec4 texCoord;
uniform mediump vec2 textureOffset;
void main(void)
{
gl_Position = qt_ModelViewProjectionMatrix * qt_Vertex;
texCoord = -qt_MultiTexCoord0 + vec4(textureOffset.x, textureOffset.y, 0.0, 0.0);
}
"
fragmentShader: "
varying highp vec4 texCoord;
uniform sampler2D qt_Texture0;
uniform bool myBoolean;
// This image uniform is automatically associated with the image
// property of the shader program.
uniform sampler2D image;
void main(void)
{
mediump vec4 imageColor = texture2D(image, texCoord.st);
gl_FragColor = imageColor;
}
"
}
}
}
|
