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
|
// Copyright (C) 2015 Klaralvdalens Datakonsult AB (KDAB).
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
import Qt3D.Core 2.0
import Qt3D.Render 2.0
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);
}
}
}
|
