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anaglyph-rendering: Fix StereoCamera following viewMatrix changes 

Change-Id: I42d0091368914e0f3f8cb76c707d576227d7b5f2
Reviewed-by: Mike Krus <mike.krus@kdab.com>
This commit is contained in:
Paul Lemire 2018-01-24 15:09:27 +01:00
parent 1dc0ddf053
commit 42a8d30929
1 changed files with 14 additions and 10 deletions
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24
examples/qt3d/anaglyph-rendering/StereoCamera.qml
View File

@ -62,6 +62,7 @@ Entity {
property vector3d viewCenter: Qt.vector3d(0.0, 0.0, 0.0)
property vector3d position: Qt.vector3d(0.0, 0.0, 1.0)
property vector3d upVector: Qt.vector3d(0.0, 1.0, 0.0)
readonly property real _fov2: Math.tan(fieldOfView * Math.PI / 180 * 0.5)
readonly property real top: nearPlane * _fov2
@ -94,23 +95,26 @@ Entity {
matrix: {
var m = Qt.matrix4x4();
m.lookAt(root.position, root.viewCenter, Qt.vector3d(0.0, 1.0, 0.0));
return m;
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);
}
}
components: [ eyeTransform ]
property Entity leftCamera: Entity {
components: [
leftEyeLens,
eyeTransform
]
components: [ leftEyeLens ]
}
property Entity rightCamera: Entity {
id: rightCameraEntity
components: [
rightEyeLens,
eyeTransform
]
components: [ rightEyeLens ]
}
}