public static GUIStyle GetArrowStyle(TransitionViewStyle style)
{
switch (style)
{
case TransitionViewStyle.SEMI_HIGHLIGHTED:
return((GUIStyle)"TransitionArrowSemiHighlighted");
case TransitionViewStyle.HIGHLIGHTED:
return((GUIStyle)"TransitionArrowHighlighted");
case TransitionViewStyle.NORMAL:
default:
return((GUIStyle)"TransitionArrowNormal");
}
}
public static Color GetColor(TransitionViewStyle style)
{
switch (style)
{
case TransitionViewStyle.SEMI_HIGHLIGHTED:
return(ColorUtil.HexStringToColor("#EFD9A6"));
case TransitionViewStyle.HIGHLIGHTED:
return(ColorUtil.HexStringToColor("#EEBE4D"));
case TransitionViewStyle.NORMAL:
default:
return(ColorUtil.HexStringToColor("#FFFFFF"));
}
}
private void DrawTransitionsForNode(Node node)
{
NodeViewData nodeViewData = this.GetViewDataForNode(node);
IList <NodeTransition> nodeTransitions = this.TargetGraph.GetOutgoingTransitionsForNode(node);
foreach (NodeTransition nodeTransition in nodeTransitions)
{
TransitionViewStyle transitionStyle = this.GetStyleForTransition(node, nodeTransition);
TransitionViewData transitionViewData = nodeViewData.GetViewDataForTransition(nodeTransition.transition);
IList <Node> targetNodes = nodeTransition.targets.Select(targetId => this.TargetGraph.LoadNodeById(targetId)).ToList();
foreach (Node targetNode in targetNodes)
{
this.DrawTransitionFromNodeToNode(transitionViewData, node, targetNode, transitionStyle);
}
}
}
private void DrawTransitionFromPointToPoint(TransitionViewData transitionViewData, Vector2 point, Vector2 targetPoint, TransitionViewStyle style)
{
Color transitionColor = TransitionViewStyleUtil.GetColor(style);
GUIStyle transitionArrowStyle = TransitionViewStyleUtil.GetArrowStyle(style);
Vector2 offset = targetPoint - point;
// ex. A ---> B == Direction.RIGHT
Direction offsetDirection = DirectionUtil.ConvertVector2(offset);
// ex. (Direction.RIGHT).Vector2Value() == Vector2(1.0f, 0.0f)
Vector2 nodeTangent = Vector2.Scale(offsetDirection.Vector2Value(), Vector2Util.Abs(offset) * kTransitionTangentMultiplier);
Vector2 targetNodeTangent = -nodeTangent;
Handles.DrawBezier(point,
targetPoint,
point + nodeTangent,
targetPoint + targetNodeTangent,
transitionColor,
null,
kTransitionLineWidth);
Vector3[] bezierPoints = Handles.MakeBezierPoints(point,
targetPoint,
point + nodeTangent,
targetPoint + targetNodeTangent,
division: 40);
int midPointIndex = Mathf.FloorToInt(bezierPoints.Length / 2.0f);
Vector2 midPointTangent = bezierPoints[midPointIndex + 1] - bezierPoints[midPointIndex];
Vector2 midPoint = (point + targetPoint) / 2.0f;
float rotationAngle = Vector2.Angle(Vector2.right, midPointTangent);
if (midPointTangent.y < 0.0f)
{
rotationAngle *= -1.0f;
}
GUIUtility.RotateAroundPivot(rotationAngle, midPoint);
GUI.Box(RectUtil.MakeRect(midPoint, new Vector2(10.0f, 10.0f), pivot: new Vector2(0.5f, 0.5f)), "", transitionArrowStyle);
GUIUtility.RotateAroundPivot(-rotationAngle, midPoint);
}
private void DrawTransitionFromNodeToNode(TransitionViewData transitionViewData, Node node, Node targetNode, TransitionViewStyle style)
{
NodeViewData nodeViewData = this.GetViewDataForNode(node);
NodeViewData targetNodeViewData = this.GetViewDataForNode(targetNode);
this.DrawTransitionFromPointToPoint(transitionViewData,
nodeViewData.position + this._panner.Position,
targetNodeViewData.position + this._panner.Position,
style);
}
private void DrawTransitionFromPointToPoint(TransitionViewData transitionViewData, Vector2 point, Vector2 targetPoint, TransitionViewStyle style)
{
Color transitionColor = TransitionViewStyleUtil.GetColor(style);
GUIStyle transitionArrowStyle = TransitionViewStyleUtil.GetArrowStyle(style);
CubicBezierV2 bezier = new CubicBezierV2(point, targetPoint, kTransitionTangentMultiplier);
Handles.DrawBezier(bezier.start,
bezier.end,
bezier.startTangent,
bezier.endTangent,
transitionColor,
null,
kTransitionLineWidth);
Vector3[] bezierPoints = Handles.MakeBezierPoints(bezier.start,
bezier.end,
bezier.startTangent,
bezier.endTangent,
division: 40);
int midPointIndex = Mathf.FloorToInt(bezierPoints.Length / 2.0f);
Vector2 midPointTangent = bezierPoints[midPointIndex + 1] - bezierPoints[midPointIndex];
Vector2 midPoint = (point + targetPoint) / 2.0f;
float rotationAngle = Vector2.Angle(Vector2.right, midPointTangent);
if (midPointTangent.y < 0.0f)
{
rotationAngle *= -1.0f;
}
GUIUtility.RotateAroundPivot(rotationAngle, midPoint);
GUI.Box(RectUtil.MakeRect(midPoint, new Vector2(10.0f, 10.0f), pivot: new Vector2(0.5f, 0.5f)), "", transitionArrowStyle);
GUIUtility.RotateAroundPivot(-rotationAngle, midPoint);
}