protected override void OnInit()
{
base.OnInit();
_mesh = new Mesh();
_mesh.Type = PrimitiveType.Lines;
_mesh.Indices = new UInt32[] {
0, 1,
1, 2,
2, 3,
3, 0,
4, 5,
5, 6,
6, 7,
7, 4,
0, 4,
1, 5,
2, 6,
3, 7
};
_renderer = SceneObject.AddComponent <MeshRenderable>();
_renderer.Material = new Material(MaterialType.FlatColor);
_renderer.Material.Color = Vector4.One;
_renderer.IsRaytracable = false;
_renderer.IsEnabled = false;
}
private void AddCones()
{
const float ConeWidth = 0.05f;
const float ConeLength = 0.20f;
_arrowRenderer = SceneObject.AddComponent <MeshRenderable>();
_arrowRenderer.Material = _material;
var xCone = Cone.Create(ConeWidth, ConeLength, 6);
xCone.Transform(new Matrix(new Vector3(1 - ConeLength, 0, 0), new Quaternion(Vector3.Forward, MathF.PI / 2), Vector3.One));
_coneVertexCount = xCone.Vertices.Length;
var yCone = Cone.Create(ConeWidth, ConeLength, 6);
yCone.Transform(new Matrix(new Vector3(0, 1 - ConeLength, 0), Quaternion.Identity, Vector3.One));
var zCone = Cone.Create(ConeWidth, ConeLength, 6);
zCone.Transform(new Matrix(new Vector3(0, 0, 1 - ConeLength), new Quaternion(Vector3.Right, MathF.PI / 2), Vector3.One));
_arrowMesh = CompoundMesh.Create(xCone, yCone);
_arrowMesh = CompoundMesh.Create(_arrowMesh, zCone);
_arrowMesh.CalculateBounds();
_arrowRenderer.Mesh = _arrowMesh;
}
public void Select(MeshRenderable renderer)
{
_boundingBox.SetTarget(renderer);
if (Selected != null)
{
Selected(renderer);
}
}
private void ObjectSelected(MeshRenderable renderer)
{
if (renderer == null)
{
_target = null;
_pickerRenderer.IsEnabled = false;
}
else
{
_target = renderer.Transform;
this.Transform.WorldPosition = _target.WorldPosition;
_pickerRenderer.IsEnabled = true;
}
}
public void SetTarget(MeshRenderable target)
{
if (IsDisposed)
{
Log.Error("object disposed");
return;
}
if (target == null)
{
_renderer.IsEnabled = false;
return;
}
if (target.Mesh == null)
{
_renderer.IsEnabled = false;
return;
}
if (target.Mesh.Bounds == null)
{
_renderer.IsEnabled = false;
return;
}
_target = target;
var size = target.Mesh.Bounds.Size / 2;
var vertices = new Vector3[] {
new Vector3(-1, -1, -1) * size,
new Vector3(-1, 1, -1) * size,
new Vector3(1, 1, -1) * size,
new Vector3(1, -1, -1) * size,
new Vector3(-1, -1, 1) * size,
new Vector3(-1, 1, 1) * size,
new Vector3(1, 1, 1) * size,
new Vector3(1, -1, 1) * size
};
_mesh.Vertices = vertices;
_renderer.Mesh = _mesh;
_renderer.UpdateMesh();
_renderer.IsEnabled = true;
Update();
}
public void Select(Node sceneObject)
{
if (IsDisposed)
{
Log.Error("object disposed");
return;
}
MeshRenderable renderer = null;
if (sceneObject != null)
{
renderer = sceneObject.GetComponent <MeshRenderable>();
}
Select(renderer);
}
protected override void OnInit()
{
base.OnInit();
_material = new Material(MaterialType.FlatVertexColor);
var frag = @"
void getFragment(inout fragment_info fragment) {
fragment.normal = frag_in.normal;
if(dot(normalize(fragment.normal), normalize(-frag_in.view_pos)) > -0.25)
fragment.emission = frag_in.color.xyz;
else
fragment.emission = vec3(0.75, 0.75, 0.75);
fragment.albedo = vec4(0.0, 0.0, 0.0, 1.0);
}
";
_renderer = SceneObject.AddComponent <MeshRenderable>();
_renderer.Material = new Material(null, frag, RenderQueue.Opaque);
var circle = Ellipse.Create(Quaternion.Identity, Vector2.One * Radius, CircleSegmentCount);
var meshBuilder = new MeshBuilder();
meshBuilder.AddMesh(circle);
meshBuilder.AddMesh(circle, Quaternion.CreateFromYawPitchRoll(0, MathF.PIOver2, 0));
meshBuilder.AddMesh(circle, Quaternion.CreateFromYawPitchRoll(MathF.PIOver2, 0, 0));
var mesh = meshBuilder.GetMesh();
mesh.DrawStyle = PolygonMode.Line;
mesh.Type = PrimitiveType.Lines;
mesh.Colors = new Vector3Buffer(CircleSegmentCount * 3);
_renderer.Mesh = mesh;
RestoreColors();
_sphere = new Sphere(Vector3.Zero, Radius);
_xPlane = new Plane(new Vector3(1, 0, 0), 0);
_yPlane = new Plane(new Vector3(0, 1, 0), 0);
_zPlane = new Plane(new Vector3(0, 0, 1), 0);
}
protected override void OnStart()
{
base.OnStart();
_collider = this.SceneObject.AddComponent <SphereCollider>();
_collider.Radius = 0.1f;
_pickerRenderer = this.SceneObject.AddComponent <MeshRenderable>();
_pickerRenderer.Mesh = Icosahedron.Create(0.02f, 1);
_pickerRenderer.IsEnabled = false;
_pickerRenderer.Material = new Material(MaterialType.FlatColor);
_pickerRenderer.Material.Color = new Vector4(1, 1, 0, 1);
_pickerRenderer.IsRaytracable = false;
_selector = SceneObject.GetComponent <ObjectSelector>();
if (_selector != null)
{
_selector.Selected += ObjectSelected;
}
}
private void Control_MouseDown(object sender, MouseEventArgs e)
{
if (_boundingBox == null)
{
return;
}
if ((_control.PressedMouseButtons & MouseButtons.Left) != MouseButtons.Left)
{
return;
}
var ray = _camera.Unproject(_control.ScreenMousePosition);
var hit = _control.Scene.RaycastMeshes(ray);
MeshRenderable renderer = null;
if (hit != null)
{
renderer = hit.Renderer;
}
Select(renderer);
}
protected override void OnStart()
{
_control = Scene.Control;
_control.MouseDown += Control_MouseDown;
var material = new Material(MaterialType.FlatColor);
material.Color = new Vector4(1, 1, 0, 1);
_renderer = SceneObject.AddComponent <MeshRenderable>();
_renderer.Material = material;
_renderer.IsEnabled = false;
var mesh = new Mesh();
var buffer3 = new Vector3Buffer(2);
buffer3.Usage = BufferUsage.DynamicDraw;
mesh.Vertices = buffer3;
mesh.Type = PrimitiveType.Lines;
_renderer.Mesh = mesh;
var hitPointSo = new Node(Scene);
var sphere = Icosahedron.Create(0.01f, 1);
_hitPointRenderer = hitPointSo.AddComponent <MeshRenderable>();
_hitPointRenderer.IsEnabled = false;
_hitPointRenderer.Mesh = sphere;
_hitPointRenderer.SceneObject.Layer = 2;
_hitPointRenderer.Material = material;
_hitPointTransform = hitPointSo.Transform;
_selectedMaterial = new Material(MaterialType.DiffuseColor);
_selectedMaterial.Color = new Vector4(1, 0, 0, 1);
}