private void GetHitLocation(ref Vector2 location, out SceneGraphNode hit, out Vector3 hitLocation)
{
// Get mouse ray and try to hit any object
var ray = ConvertMouseToRay(ref location);
var gridPlane = new Plane(Vector3.Zero, Vector3.Up);
hit = Editor.Instance.Scene.Root.RayCast(ref ray, out var closest, SceneGraphNode.RayCastData.FlagTypes.SkipColliders);
if (hit != null)
{
// Use hit location
hitLocation = ray.Position + ray.Direction * closest;
}
else if (Grid.Enabled && CollisionsHelper.RayIntersectsPlane(ref ray, ref gridPlane, out closest) && closest < 4000.0f)
{
// Use grid location
hitLocation = ray.Position + ray.Direction * closest;
}
else
{
// Use area in front of the viewport
hitLocation = ViewPosition + ViewDirection * 100;
}
}
/// <summary>
/// Determines if there is an intersection between the current object and a <see cref="Plane" />.
/// </summary>
/// <param name="plane">The plane to test.</param>
/// <param name="point">
/// When the method completes, contains the point of intersection,
/// or <see cref="Vector3.Zero" /> if there was no intersection.
/// </param>
/// <returns>Whether the two objects intersected.</returns>
public bool Intersects(ref Plane plane, out Vector3 point)
{
return(CollisionsHelper.RayIntersectsPlane(ref this, ref plane, out point));
}
/// <summary>
/// Determines if there is an intersection between the current object and a <see cref="Plane" />.
/// </summary>
/// <param name="plane">The plane to test.</param>
/// <param name="distance">
/// When the method completes, contains the distance of the intersection,
/// or 0 if there was no intersection.
/// </param>
/// <returns>Whether the two objects intersected.</returns>
public bool Intersects(ref Plane plane, out float distance)
{
return(CollisionsHelper.RayIntersectsPlane(ref this, ref plane, out distance));
}
/// <summary>
/// Determines if there is an intersection between the current object and a <see cref="Ray" />.
/// </summary>
/// <param name="ray">The ray to test.</param>
/// <param name="distance">When the method completes, contains the distance of the intersection, or 0 if there was no intersection.</param>
/// <returns>Whether the two objects intersected.</returns>
public bool Intersects(ref Ray ray, out Real distance)
{
return(CollisionsHelper.RayIntersectsPlane(ref ray, ref this, out distance));
}
/// <inheritdoc />
public override DragDropEffect OnDragDrop(ref Vector2 location, DragData data)
{
var result = base.OnDragDrop(ref location, data);
if (result != DragDropEffect.None)
{
return(result);
}
// Check if drag sth
Vector3 hitLocation = ViewPosition;
SceneGraphNode hit = null;
if (_dragAssets.HasValidDrag || _dragActorType.HasValidDrag)
{
// Get mouse ray and try to hit any object
var ray = ConvertMouseToRay(ref location);
float closest = float.MaxValue;
var gridPlane = new Plane(Vector3.Zero, Vector3.Up);
hit = Editor.Instance.Scene.Root.RayCast(ref ray, ref closest, SceneGraphNode.RayCastData.FlagTypes.SkipColliders);
if (hit != null)
{
// Use hit location
hitLocation = ray.Position + ray.Direction * closest;
}
else if (Grid.Enabled && CollisionsHelper.RayIntersectsPlane(ref ray, ref gridPlane, out closest) && closest < 4000.0f)
{
// Use grid location
hitLocation = ray.Position + ray.Direction * closest;
}
else
{
// Use area in front of the viewport
hitLocation = ViewPosition + ViewDirection * 100;
}
}
// Drag assets
if (_dragAssets.HasValidDrag)
{
result = _dragAssets.Effect;
// Process items
for (int i = 0; i < _dragAssets.Objects.Count; i++)
{
var item = _dragAssets.Objects[i];
Spawn(item, hit, ref hitLocation);
}
}
// Drag actor type
else if (_dragActorType.HasValidDrag)
{
result = _dragActorType.Effect;
// Process items
for (int i = 0; i < _dragActorType.Objects.Count; i++)
{
var item = _dragActorType.Objects[i];
Spawn(item, hit, ref hitLocation);
}
}
return(result);
}
