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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Qt3D module 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
import Qt3D.Shapes 1.0
Item3D {
// We want to scale the flame, but keep the top constant so it
// looks like it's attached to the lander's foot, so we use a
// container Item3D to translate the flame's origin
// This magic number lines up the jet with the bottom of the lander model
y: -0.97 - 0.25 + 0.5
id: jet
property real scaleFactor: 1.0
property real internalScaleFactor: 1.0
Behavior on scaleFactor { NumberAnimation { duration: 200 }}
transform: Scale3D { scale: jet.scaleFactor * internalScaleFactor * 0.5 }
SequentialAnimation {
running: true
loops: Animation.Infinite
NumberAnimation { target: jet;property: "internalScaleFactor";
from: 1.0; to: 0.8; duration: 100 }
PauseAnimation { duration: 100 }
NumberAnimation { target: jet; property: "internalScaleFactor";
from: 0.8; to: 1.0; duration: 100 }
PauseAnimation { duration: 100 }
}
Quad {
y: -1.0
pretransform: Rotation3D { axis: Qt.vector3d(1, 0, 0); angle: 90 }
effect: flame
}
ShaderProgram {
id: flame
blending: true
texture: "flame.png"
property real interpolationFactor : 1.0
SequentialAnimation on interpolationFactor {
running: true
loops: Animation.Infinite
NumberAnimation { to : 1.0; duration: 150; }
NumberAnimation { to : 0.0; duration: 150; }
}
vertexShader: "
attribute highp vec4 qt_Vertex;
attribute highp vec4 qt_MultiTexCoord0;
uniform mediump mat4 qt_ModelViewProjectionMatrix;
varying highp vec4 texCoord;
void main(void)
{
gl_Position = qt_ModelViewProjectionMatrix * qt_Vertex;
texCoord = qt_MultiTexCoord0;
}
"
fragmentShader: "
varying highp vec4 texCoord;
uniform sampler2D qt_Texture0;
uniform sampler2D texture2;
uniform mediump float interpolationFactor;
void main(void)
{
mediump vec4 col1 = texture2D(qt_Texture0, texCoord.st);
mediump vec4 col2 = texture2D(texture2, texCoord.st);
gl_FragColor = mix(col1, col2, interpolationFactor);
}
"
}
}
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