public FreeLandDefaultViewpointMechanism(ISceneNode node, FreeControlledCamera.Props props, IKeyboardInputProvider keyboardInputProvider)
{
this.props = props;
this.keyboardInputProvider = keyboardInputProvider;
this.node = node;
FixedCamera = CreateControlledViewpoint();
}
private void ArrangeAndDecorateInternal(IStoryGraph sg, int nodeIndex, int scaleLevel)
{
var aStory = sg.Aspects[nodeIndex];
var node = sg.NodeObjects[nodeIndex];
var abstractChildren = sg.Children[nodeIndex];
var numChildren = abstractChildren.Count;
var scale = MathHelper.Pow(4, scaleLevel);
var visuals = new []
{
ModelVisualElement.New()
.SetModel(planeModel)
.SetMaterial(planeMaterials[scaleLevel % planeMaterials.Length])
.SetTransform(Transform.Scaling(10 * scale))
};
var viewpointProps = new FreeControlledCamera.Props
{
Eye = Vector3.UnitZ * 10f * scale,
Yaw = MathHelper.PiOver4,
Pitch = MathHelper.PiOver4,
FieldOfView = MathHelper.PiOver4,
ZNear = 0.1f * scale,
ZFar = 100.0f * scale
};
for (var i = 0; i < numChildren; i++)
{
var adaptiveChild = abstractChildren[i];
var angle = MathHelper.TwoPi * i / numChildren - MathHelper.PiOver4;
var rotation = Quaternion.RotationZ(angle);
var radius = scale * GetBestRadius(numChildren);
var offset = new Vector3(radius * MathHelper.Sin(angle), radius * MathHelper.Cos(angle), 0.1f * scale);
sg.NodeObjects[adaptiveChild].Transform = new Transform(1, rotation, offset);
ArrangeAndDecorateInternal(sg, adaptiveChild, scaleLevel - 1);
}
aStory.SetDynamicParts(new StoryNodeDynamicParts
{
DefaultViewpointMechanism = new FreeLandDefaultViewpointMechanism(node, viewpointProps, keyboardInputProvider),
Hittable = GetHittableComponent(node),
VisualElements = visuals
});
}
