/// <summary>
/// Draws a node connection from start to end with specified vectors
/// </summary>
public static void DrawConnection(Vector2 startPos, Vector2 startDir, Vector2 endPos, Vector2 endDir, ConnectionDrawMethod drawMethod, Color col)
{
if (drawMethod == ConnectionDrawMethod.Bezier)
{
NodeEditorGUI.OptimiseBezierDirections(startPos, ref startDir, endPos, ref endDir);
float dirFactor = 80; //Mathf.Pow ((startPos-endPos).magnitude, 0.3f) * 20;
//Debug.Log ("DirFactor is " + dirFactor + "with a bezier lenght of " + (startPos-endPos).magnitude);
RTEditorGUI.DrawBezier(startPos, endPos, startPos + startDir * dirFactor, endPos + endDir * dirFactor, col * Color.gray, null, 3);
}
else if (drawMethod == ConnectionDrawMethod.StraightLine)
{
RTEditorGUI.DrawLine(startPos, endPos, col * Color.gray, null, 3);
}
}
/// <summary>
/// Draws the node curves
/// </summary>
protected internal virtual void DrawConnections()
{
CheckNodeKnobMigration();
if (Event.current.type != EventType.Repaint)
{
return;
}
for (int outCnt = 0; outCnt < Outputs.Count; outCnt++)
{
NodeOutput output = Outputs [outCnt];
Vector2 startPos = output.GetGUIKnob().center;
Vector2 startDir = output.GetDirection();
for (int conCnt = 0; conCnt < output.connections.Count; conCnt++)
{
NodeInput input = output.connections [conCnt];
Vector2 endPos = input.GetGUIKnob().center;
Vector2 endDir = input.GetDirection();
NodeEditorGUI.OptimiseBezierDirections(startPos, ref startDir, endPos, ref endDir);
NodeEditorGUI.DrawConnection(startPos, startDir, endPos, endDir, output.typeData.Color);
}
}
}
/// <summary>
/// Draws the Node Canvas on the screen in the rect specified by editorState without one-time wrappers like GUISkin and OverlayGUI. Made for nested Canvases (WIP)
/// </summary>
private static void DrawSubCanvas(NodeCanvas nodeCanvas, NodeEditorState editorState)
{
if (!editorState.drawing)
{
return;
}
BeginEditingCanvas(nodeCanvas, editorState);
if (Event.current.type == EventType.Repaint)
{ // Draw Background when Repainting
// Offset from origin in tile units
Vector2 tileOffset = new Vector2(-(curEditorState.zoomPos.x * curEditorState.zoom + curEditorState.panOffset.x) / NodeEditorGUI.Background.width,
((curEditorState.zoomPos.y - curEditorState.canvasRect.height) * curEditorState.zoom + curEditorState.panOffset.y) / NodeEditorGUI.Background.height);
// Amount of tiles
Vector2 tileAmount = new Vector2(Mathf.Round(curEditorState.canvasRect.width * curEditorState.zoom) / NodeEditorGUI.Background.width,
Mathf.Round(curEditorState.canvasRect.height * curEditorState.zoom) / NodeEditorGUI.Background.height);
// Draw tiled background
GUI.DrawTextureWithTexCoords(curEditorState.canvasRect, NodeEditorGUI.Background, new Rect(tileOffset, tileAmount));
}
// Handle input events
NodeEditorInputSystem.HandleInputEvents(curEditorState);
if (Event.current.type != EventType.Layout)
{
curEditorState.ignoreInput = new List <Rect> ();
}
// We're using a custom scale method, as default one is messing up clipping rect
Rect canvasRect = curEditorState.canvasRect;
curEditorState.zoomPanAdjust = GUIScaleUtility.BeginScale(ref canvasRect, curEditorState.zoomPos, curEditorState.zoom, NodeEditorGUI.isEditorWindow, false);
// ---- BEGIN SCALE ----
// Some features which require zoomed drawing:
if (curEditorState.navigate)
{ // Draw a curve to the origin/active node for orientation purposes
Vector2 startPos = (curEditorState.selectedNode != null? curEditorState.selectedNode.rect.center : curEditorState.panOffset) + curEditorState.zoomPanAdjust;
Vector2 endPos = Event.current.mousePosition;
RTEditorGUI.DrawLine(startPos, endPos, Color.green, null, 3);
RepaintClients();
}
if (curEditorState.connectOutput != null)
{ // Draw the currently drawn connection
NodeOutput output = curEditorState.connectOutput;
Vector2 startPos = output.GetGUIKnob().center;
Vector2 startDir = output.GetDirection();
Vector2 endPos = Event.current.mousePosition;
Vector2 endDir = -startDir; // NodeEditorGUI.GetSecondConnectionVector (startPos, endPos, startDir); <- causes unpleasant jumping when switching polarity
NodeEditorGUI.OptimiseBezierDirections(startPos, ref startDir, endPos, ref endDir);
NodeEditorGUI.DrawConnection(startPos, startDir, endPos, endDir, output.typeData.Color);
RepaintClients();
}
// Draw the groups below everything else
for (int groupCnt = 0; groupCnt < curNodeCanvas.groups.Count; groupCnt++)
{
curNodeCanvas.groups [groupCnt].DrawGroup();
}
// Push the active node to the top of the draw order.
if (Event.current.type == EventType.Layout && curEditorState.selectedNode != null)
{
curNodeCanvas.nodes.Remove(curEditorState.selectedNode);
curNodeCanvas.nodes.Add(curEditorState.selectedNode);
}
// Draw the transitions and connections. Has to be drawn before nodes as transitions originate from node centers
for (int nodeCnt = 0; nodeCnt < curNodeCanvas.nodes.Count; nodeCnt++)
{
curNodeCanvas.nodes [nodeCnt].DrawConnections();
}
// Draw the nodes
for (int nodeCnt = 0; nodeCnt < curNodeCanvas.nodes.Count; nodeCnt++)
{
Node node = curNodeCanvas.nodes [nodeCnt];
node.DrawNode();
if (Event.current.type == EventType.Repaint)
{
node.DrawKnobs();
}
}
// ---- END SCALE ----
// End scaling group
GUIScaleUtility.EndScale();
// Handle input events with less priority than node GUI controls
NodeEditorInputSystem.HandleLateInputEvents(curEditorState);
EndEditingCanvas();
}