Camera Binding

Anonymous 12 years ago • updated by 5 days ago • 4

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zaurska wrote at 2012-09-03 14:58:

Can we use binding so the camera follows a moving object? (the moving object's position being dynamically variable)

zaurska wrote at 2012-09-05 14:56:

Answered myself. More about my lack of binding knowledge than H3D function, but for general interest for novices like me, this works:

Helix3D should be incorporated into next WPF release!

        <h:HelixViewport3D x:Name="view1" CameraRotationMode="Turntable" IsHeadLightEnabled="True">
            
            <h:HelixViewport3D.Camera>
                <PerspectiveCamera Position="0, -200, 0"  LookDirection="0, 200, 0" FieldOfView="45" UpDirection="0,0,1">
                    <PerspectiveCamera.Transform>
                        <Transform3DGroup>
                            <TranslateTransform3D x:Name="cameraTranslateTransform3D"></TranslateTransform3D>
                        </Transform3DGroup>
                    </PerspectiveCamera.Transform>
                </PerspectiveCamera>
            </h:HelixViewport3D.Camera>
        </h:HelixViewport3D>

then some binding in code since my objects are runtime:

            Binding aBinding = new Binding("OffsetX");
            aBinding.Source = tryMe.outerCasePosition;
            BindingOperations.SetBinding(cameraTranslateTransform3D, TranslateTransform3D.OffsetXProperty, aBinding);

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