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// Copyright (C) 2019 Klaralvdalens Datakonsult AB (KDAB).
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
import Qt3D.Core 2.14
import Qt3D.Render 2.14
Entity {
id: root
property vector3d position: Qt.vector3d(0.0, 0.0, 10.0)
property vector3d viewCenter: Qt.vector3d(0.0, 0.0, 0.0)
property vector3d upVector: Qt.vector3d(0.0, 1.0, 0.0)
property CameraLens lens: null
components: [lens, transform]
Transform {
id: transform
matrix: {
var m = Qt.matrix4x4();
m.translate(root.position)
var zAxis = root.position.minus(root.viewCenter).normalized()
var xAxis = root.upVector.crossProduct(zAxis).normalized();
var yAxis = zAxis.crossProduct(xAxis);
var r = Qt.matrix4x4(xAxis.x, yAxis.x, zAxis.x, 0,
xAxis.y, yAxis.y, zAxis.y, 0,
xAxis.z, yAxis.z, zAxis.z, 0,
0, 0, 0, 1)
return m.times(r);
}
}
}
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