public RayHitResult HitWithClick(RayCastInfo clickInfo)
{
var globalRay = clickInfo.GlobalRay;
var sphere = getSphere(master);
var segmentLength = (sphere.Center - globalRay.Point).Length() * 3;
var segment = new LineSegment3(globalRay.Point, globalRay.Point + globalRay.Direction * segmentLength);
sphere.Intersect(segment, out var p1, out var p2);
if (!p1.HasValue)
{
return(RayHitResult.Failure());
}
var d1 = (p1.Value - globalRay.Point).Length();
Vector3 globalPoint;
float distance;
if (p2.HasValue)
{
var d2 = (p2.Value - globalRay.Point).Length();
var use1 = (d1 <= d2) ^ inverted;
if (use1)
{
globalPoint = p1.Value;
distance = d1;
}
else
{
globalPoint = p2.Value;
distance = d2;
}
}
else
{
globalPoint = p1.Value;
distance = d1;
}
// todo: consider rotation
var localPoint = (globalPoint - sphere.Center) / sphere.Radius;
return(new RayHitResult
{
Successful = true,
Node = Node,
Distance = distance,
GlobalHitPoint = globalPoint,
LocalHitPoint = localPoint,
IntTag = intTag,
StrTag = strTag
});
}
public RayHitResult HitWithClick(RayCastInfo clickInfo)
{
var hitResult = hittable.HitWithClick(clickInfo);
var cRect = GetRectComponent();
// todo: make overridable and override in more specific components
if (cRect.DragByBorders &&
(1 - hitResult.LocalHitPoint.X.Abs()) * cRect.Rectangle.HalfWidth * RichTextBox.DefaultPixelScaling > RichTextBox.DraggablePaddingInPixels &&
(1 - hitResult.LocalHitPoint.Y.Abs()) * cRect.Rectangle.HalfHeight * RichTextBox.DefaultPixelScaling > RichTextBox.DraggablePaddingInPixels)
{
return(RayHitResult.Failure());
}
return(hitResult);
}
public RayHitResult HitWithClick(RayCastInfo clickInfo)
{
var globalRay = clickInfo.GlobalRay;
var globalTransformInverse = (planeTransform * Node.GlobalTransform).Invert();
var localRay = globalRay * globalTransformInverse;
var t = -localRay.Point.Z / localRay.Direction.Z;
if (t <= 0f)
{
return(RayHitResult.Failure());
}
var point = localRay.Point + localRay.Direction * t;
var rectangle = getLocalRectangle(master);
if (!rectangle.ContainsPoint(point.Xy))
{
return(RayHitResult.Failure());
}
var globalT = t / globalTransformInverse.Scale;
var offset = getHitDistanceOffset(master);
var globalPoint = globalRay.Point + globalRay.Direction * globalT;
var localPoint = new Vector3(
(point.X - rectangle.Center.X) / rectangle.HalfWidth,
(point.Y - rectangle.Center.Y) / rectangle.HalfHeight,
0);
return(new RayHitResult
{
Successful = true,
Node = Node,
Distance = globalT + offset,
GlobalHitPoint = globalPoint,
LocalHitPoint = localPoint,
IntTag = intTag,
StrTag = strTag
});
}
public bool TryHandleInputEvent(IInputEvent eventArgs)
{
if (!(eventArgs is MouseEvent args))
{
return(false);
}
if (!args.IsLeftClickEvent())
{
return(false);
}
var clickInfo = new RayCastInfo(args.Viewport, args.Viewport.View.Layers.Single(), args.State.Position);
var hitResult = rayHitIndex.CastRay(clickInfo).FirstOrNull() ?? RayHitResult.Failure();
if (hitResult.Successful)
{
int?to = null;
var gizmoComponentTo = hitResult.Node.GetComponent <StoryFlowchartNodeGizmoComponent>();
if (gizmoComponentTo != null && gizmoComponentTo.ReferencedNode.Id != from)
{
to = gizmoComponentTo.ReferencedNode.Id;
}
if (storyService.GlobalGraph.NodeIds.Contains(hitResult.Node.Id))
{
to = hitResult.Node.Id;
}
if (to.HasValue)
{
var child = StoryOperations.AddChild(storyService, commonNodeFactory, to.Value, this);
storyService.AddEdge(from, child.Id);
toolService.CurrentTool = null;
return(true);
}
}
toolService.CurrentTool = null;
return(false);
}
public RayHitResult HitWithClick(RayCastInfo clickInfo)
{
var globalRay = clickInfo.GlobalRay;
var globalTransformInverse = (planeTransform * Node.GlobalTransform).Invert();
var localRay = globalRay * globalTransformInverse;
var t = -localRay.Point.Z / localRay.Direction.Z;
if (t <= 0f)
{
return(RayHitResult.Failure());
}
var point = localRay.Point + localRay.Direction * t;
var cirlce = getLocalCirlce(master);
if (!cirlce.Contains(point.Xy))
{
return(RayHitResult.Failure());
}
var globalT = t / globalTransformInverse.Scale;
var offset = getHitDistanceOffset(master);
var globalPoint = globalRay.Point + globalRay.Direction * globalT;
// todo: consider rotation
var localPoint = new Vector3(point.Xy - cirlce.Center, 0) / cirlce.Radius;
return(new RayHitResult
{
Successful = true,
Node = Node,
Distance = globalT + offset,
GlobalHitPoint = globalPoint,
LocalHitPoint = localPoint,
IntTag = intTag,
StrTag = strTag
});
}
public RayHitResult HitWithClick(RayCastInfo clickInfo)
{
// todo: calculate in screen space?
var line = getLine(master);
var mouseLine = clickInfo.GlobalRay.ToLine();
Line3.GetClosestPoints(line, mouseLine, out var p1, out var p2);
var grad = clickInfo.GetAbsPixelGradientAt((p1 + p2) / 2);
var diff = (p2 - p1).Abs();
var pixelDiff = Vector3.Dot(diff, grad);
return(pixelDiff <= lineWidth
? new RayHitResult
{
Successful = true,
Node = Node,
Distance = (clickInfo.GlobalRay.Point - p1).Length(),
GlobalHitPoint = p1,
LocalHitPoint = p1,
IntTag = intTag,
StrTag = strTag
}
: RayHitResult.Failure());
}
public override void Update(GameUpdateEventArgs e)
{
// don't move stationary objects
if (this.velocity == Vector2.Zero)
{
return;
}
var step = this.velocity * e.ElapsedTimeF;
Vector2 lastStepDir = Vector2.Zero;
// update position (tests collision recursively)
for (int i = 0; i < 5; i++)
{
var rayResult = new RayHitResult(false, 1, this.position - this.tileCenter + step, Vector2.Zero);
while (true)
{
var result = this.tile.Info.ShootRay(new Ray(this.position - this.tileCenter, step));
if (result.RayFactor < rayResult.RayFactor)
{
rayResult = result;
}
var point = rayResult.Point + this.tileCenter;
var switchedTile = this.updateTile(rayResult.Point);
if (!switchedTile)
{
break;
}
rayResult = rayResult.WithNewPoint(point - this.tileCenter);
}
lastStepDir = this.tileCenter + rayResult.Point - this.position;
this.position = this.tileCenter + rayResult.Point;
if (!rayResult.Hit)
{
break;
}
this.position += rayResult.Normal * 0.01f;
var projected = rayResult.Normal * Vector2.Dot(rayResult.Normal, step);
step -= projected;
}
this.velocity = lastStepDir.LengthSquared > 0 ?
this.velocity.Length * lastStepDir.Normalized() : Vector2.Zero;
float slowDownFactor = 1 - this.frictionCoefficient * e.ElapsedTimeF;
this.velocity *= slowDownFactor < 0 ? 0 : slowDownFactor;
}
public RayHitResult HitWithClick(RayCastInfo clickInfo) => RayHitResult.Failure();
// Hittable public RayHitResult HitWithClick(RayCastInfo clickInfo) => hittable?.HitWithClick(clickInfo) ?? RayHitResult.Failure();