// Draw the node on canvas.
public void Draw()
{
switch (Terminal)
{
case NodeTerminalType.NonTerminal:
// Highlighting.
if (Selected)
{
EditorCanvas.DrawQuad(new Rect(OutlineScope.x - _thickness, (int)OutlineScope.y - _thickness, OutlineScope.width + _thickness * 2, OutlineScope.height + _thickness * 2), Color.red);
}
// Main part of node.
EditorCanvas.DrawQuad(OutlineScope, OutlineColor);
EditorCanvas.DrawQuad(FilledScope, FilledColor);
EditorCanvas.DrawQuad(TextScope, Color.clear, "<" + Ordering + ">\n" + Abbreviation, TextColor);
break;
case NodeTerminalType.Terminal:
// Highlighting.
if (Selected)
{
EditorCanvas.DrawDisc(Position, OutlineScope.width / 2 + _thickness, Color.red);
}
// Main part of node.
EditorCanvas.DrawDisc(Position, OutlineScope.width / 2, OutlineColor);
EditorCanvas.DrawDisc(Position, OutlineScope.width / 2 - _thickness, FilledColor);
EditorCanvas.DrawQuad(TextScope, Color.clear, "<" + Ordering + ">\n" + Abbreviation, TextColor);
break;
}
}
// Draw the node in the node list.
public static void DrawNodeInList(GraphGrammarNode node)
{
node.PositionX = 30;
node.PositionY = 25 + 50 * _nodes.FindIndex(n => n == node);
// Background color of selectable area.
Color rectColor = SampleStyle.ColorBlue;
rectColor.a = 0.75f;
EditorCanvas.DrawQuad(new Rect(5, node.PositionY - 23, Screen.width - 8, 46), node.Selected ? rectColor : Color.clear);
// Draw this node.
node.Draw();
}
// Draw the connection on canvas.
public void Draw()
{
if (StartpointStickyOn != null)
{
StartPosition = StartpointStickyOn.Position + (EndPosition - StartpointStickyOn.Position).normalized * StartpointStickyOn.FilledScope.width / 2;
}
if (EndpointStickyOn != null)
{
EndPosition = EndpointStickyOn.Position + (StartPosition - EndpointStickyOn.Position).normalized * EndpointStickyOn.FilledScope.width / 2;
}
// Draw the main line about connection.
EditorCanvas.DrawLine(StartPosition, EndPosition, OutlineColor, LineThickness);
// Head size
Vector2 dir = (EndPosition - StartPosition).normalized * LineThickness;
Vector2 orthoptics = new Vector2(-dir.y, dir.x);
// Arrow cap's points
Vector3[] arrowHead = new Vector3[3];
arrowHead[0] = EndPosition - dir * 2 + orthoptics;
arrowHead[1] = EndPosition - dir * 2 - orthoptics;
arrowHead[2] = EndPosition;
Vector3[] arrowHeadSec = new Vector3[3];
Vector2 dir2 = dir = dir + dir * 1f;
arrowHeadSec[0] = EndPosition - dir2 * 2 + orthoptics;
arrowHeadSec[1] = EndPosition - dir2 * 2 - orthoptics;
arrowHeadSec[2] = EndPosition - dir2;
// Draw the arraw part.
switch (this.Arrow)
{
case ConnectionArrowType.Normal:
EditorCanvas.DrawTriangle(arrowHead, OutlineColor);
break;
case ConnectionArrowType.Double:
EditorCanvas.DrawTriangle(arrowHead, OutlineColor);
EditorCanvas.DrawTriangle(arrowHeadSec, OutlineColor);
break;
case ConnectionArrowType.WithCircle:
EditorCanvas.DrawTriangle(arrowHeadSec, OutlineColor);
EditorCanvas.DrawDisc(EndPosition - dir2 / 2f, LineThickness, OutlineColor);
EditorCanvas.DrawDisc(EndPosition - dir2 / 2f, LineThickness - 1, Color.white);
break;
}
// Endpoints of conneciton.
if (Selected)
{
EditorCanvas.DrawQuad(StartpointScope, Color.red);
EditorCanvas.DrawQuad(EndpointScope, Color.blue);
}
}
// Draw the connection in the connection list.
public static void DrawConnectionInList(GraphGrammarConnection connection)
{
connection.StartPositionX = 10;
connection.EndPositionX = 60;
connection.StartPositionY = connection.EndPositionY = 25 + 50 * _connections.FindIndex(c => c == connection);
// Background color of selectable area.
Color rectColor = SampleStyle.ColorBlue;
rectColor.a = 0.75f;
EditorCanvas.DrawQuad(new Rect(5, connection.StartPositionY - 23, Screen.width - 8, 46), connection.Selected ? rectColor : Color.clear);
// Draw this connection.
connection.Draw();
}
