private void GetCameraOffsetForCenterAlignmentUsingVertices_ProcessObject(Kn5RenderableObject obj, Matrix matrix, ref Vector3 min, ref Vector3 max)
{
if (min.Z != 0f && obj.BoundingBox.HasValue)
{
var corners = obj.BoundingBox.Value.GetCorners();
foreach (var c in corners)
{
var sp = Vector3.TransformCoordinate(c, matrix);
if (sp.X < min.X || sp.Y < min.Y || sp.Z < min.Z ||
sp.X > max.X || sp.Y > max.Y || sp.Z > max.Z)
{
goto NextStep;
}
}
return;
}
NextStep:
var wm = obj.ParentMatrix * matrix;
var vertices = obj.Vertices;
for (var i = 0; i < vertices.Length; i++)
{
var sp = Vector3.TransformCoordinate(vertices[i].Position, wm);
if (min.Z == 0f)
{
min = sp;
max = sp;
}
else
{
if (sp.X < min.X)
{
min.X = sp.X;
}
if (sp.Y < min.Y)
{
min.Y = sp.Y;
}
if (sp.Z < min.Z)
{
min.Z = sp.Z;
}
if (sp.X > max.X)
{
max.X = sp.X;
}
if (sp.Y > max.Y)
{
max.Y = sp.Y;
}
if (sp.Z > max.Z)
{
max.Z = sp.Z;
}
}
}
}
public void OnClick(Vector2 mousePosition) {
var ray = Camera.GetPickingRay(mousePosition, new Vector2(Width, Height));
var nodes = Scene.SelectManyRecursive(x => x as RenderableList)
.OfType<Kn5RenderableObject>()
.Where(node => {
float d;
return node.BoundingBox.HasValue && Ray.Intersects(ray, node.BoundingBox.Value, out d);
})
.Select(node => {
var min = float.MaxValue;
var found = false;
var indices = node.Indices;
var vertices = node.Vertices;
var matrix = node.ParentMatrix;
for (int i = 0, n = indices.Length / 3; i < n; i++) {
var v0 = Vector3.TransformCoordinate(vertices[indices[i * 3]].Position, matrix);
var v1 = Vector3.TransformCoordinate(vertices[indices[i * 3 + 1]].Position, matrix);
var v2 = Vector3.TransformCoordinate(vertices[indices[i * 3 + 2]].Position, matrix);
float distance;
if (!Ray.Intersects(ray, v0, v1, v2, out distance) || distance >= min) continue;
min = distance;
found = true;
}
return found ? new {
Node = node,
Distance = min
} : null;
})
.Where(x => x != null)
.OrderBy(x => x.Distance)
.Select(x => x.Node)
.ToList();
if (nodes.Any()) {
var first = nodes[0];
if (first != _previousSelectedFirstObject) {
_previousSelectedObjects.Clear();
_previousSelectedObjects.Add(first);
_previousSelectedFirstObject = first;
SelectedObject = first;
} else {
var filtered = nodes.Where(x => !_previousSelectedObjects.Contains(x)).ToList();
if (filtered.Any()) {
_previousSelectedObjects.Add(filtered[0]);
SelectedObject = filtered[0];
} else {
_previousSelectedObjects.Clear();
_previousSelectedObjects.Add(first);
SelectedObject = first;
}
}
} else {
Deselect();
}
}
public void Deselect() {
SelectedObject = null;
_previousSelectedObjects.Clear();
_previousSelectedFirstObject = null;
}
public virtual void Initialize(CarLightType type, Kn5RenderableList main, IniFileSection section) {
Type = type;
Name = section.GetNonEmpty("NAME");
Emissive = section.GetVector3("COLOR").Select(y => (float)y).ToArray().ToVector3();
Node = main.GetByName(Name);
}
