private static void DrawBezier(float width, Vector2 p1, Vector2 p2, Vector2 t1, Vector2 t2)
{
bool inverted = p1.x < p2.x;
if (inverted)
{
float center_y = FPMath.CenterOfPoints(p1, p2).y;
Vector2 p1_center = new Vector2(p1.x, center_y);
Vector2 p2_center = new Vector2(p2.x, center_y);
float delta = Mathf.Abs(p1.x - p2.x);
float tangent = Mathf.Min(Vector2.Distance(p1, p1_center) * 0.5f, delta);
Vector2 p1_tan = new Vector2(p1.x - tangent, p1.y);
Vector2 p1c_tan = new Vector2(p1_tan.x, center_y);
Vector2 p2_tan = new Vector2(p2.x + tangent, p2.y);
Vector2 p2c_tan = new Vector2(p2_tan.x, center_y);
Handles.DrawAAPolyLine(width, 2, p1_center, p2_center);
Handles.DrawBezier(p1, p1_center, p1_tan, p1c_tan, Handles.color, null, width);
Handles.DrawBezier(p2, p2_center, p2_tan, p2c_tan, Handles.color, null, width);
}
else
{
Handles.DrawBezier(p1, p2, t1, t2, Handles.color, null, width);
}
}
void OnGUI()
{
scroll = EditorGUILayout.BeginScrollView(scroll);
if (GUILayout.Button("SAVE"))
{
GraphEditor.asset.SaveData();
}
if (GUILayout.Button("RESET POSITION"))
{
GraphEditor.scroll = Vector2.zero;
}
if (GUILayout.Button("GO TO CENTER"))
{
GraphEditor.scroll = new Vector2(0.0f, 10.0f) + FPMath.CenterOfPoints(GraphEditor.graph.nodes.Select(n => (-n.position - (n.size / 2.0f)) * GraphEditor.zoom + (GraphEditor.window.size / 2.0f) / GraphEditor.zoom).ToList());
}
EditorGUILayout.EndScrollView();
}
private static void DrawCircuit(float width, Vector2 p1, Vector2 p2, Vector2 t1, Vector2 t2)
{
bool inverted = p1.x < p2.x;
if (inverted)
{
float center_y = FPMath.CenterOfPoints(p1, p2).y;
float delta = Mathf.Min(Mathf.Abs(p1.x - p2.x) * 0.5f, 40.0f);
Vector2 t1_pos = new Vector2(p1.x - delta, p1.y);
Vector2 t2_pos = new Vector2(p2.x + delta, p2.y);
Vector2 t1_center = new Vector2(t1_pos.x, center_y);
Vector2 t2_center = new Vector2(t2_pos.x, center_y);
Handles.DrawAAPolyLine(width, 6, p1, t1_pos, t1_center, t2_center, t2_pos, p2);
}
else
{
Handles.DrawAAPolyLine(width, 4, p1, t1, t2, p2);
}
}
public static Vector2 MiddleOfConnection(Vector2 start, Vector2 end)
{
return(FPMath.CenterOfPoints(start, end));
}
public static Vector2 LerpUnit(Vector2 start, Vector2 end, float t)
{
float delta = Mathf.Abs(start.x - end.x) * 0.5f;
Vector2 right = new Vector2(delta, 0.0f);
Vector2 left = new Vector2(-delta, 0.0f);
Vector2 p1 = new Vector2(start.x, start.y);
Vector2 p2 = new Vector2(end.x, end.y);
Vector2 t1 = p1 + left;
Vector2 t2 = p2 + right;
bool inverted = p1.x < p2.x;
float time = (t % 0.333333f) * 3.0f;
switch (GraphEditor.connectorType)
{
case ConnectorType.Bezier:
if (inverted)
{
float center_y = FPMath.CenterOfPoints(p1, p2).y;
Vector2 p1_center = new Vector2(p1.x, center_y);
Vector2 p2_center = new Vector2(p2.x, center_y);
float tangent = Mathf.Min(Vector2.Distance(p1, p1_center) * 0.5f, delta);
Vector2 p1_tan = new Vector2(p1.x - tangent, p1.y);
Vector2 p1c_tan = new Vector2(p1_tan.x, center_y);
Vector2 p2_tan = new Vector2(p2.x + tangent, p2.y);
Vector2 p2c_tan = new Vector2(p2_tan.x, center_y);
Vector2 l1 = Vector2.zero;
Vector2 l2 = Vector2.zero;
Vector2 l3 = Vector2.zero;
Vector2 l4 = Vector2.zero;
Vector2 l5 = Vector2.zero;
if (t <= 0.333333f)
{
l1 = Vector2.Lerp(p1, p1_tan, time);
l2 = Vector2.Lerp(p1_tan, p1c_tan, time);
l3 = Vector2.Lerp(p1c_tan, p1_center, time);
l4 = Vector2.Lerp(l1, l2, time);
l5 = Vector2.Lerp(l2, l3, time);
}
else if (t <= 0.666666f)
{
return(Vector2.Lerp(p1_center, p2_center, time));
}
else
{
l1 = Vector2.Lerp(p2_center, p2c_tan, time);
l2 = Vector2.Lerp(p2c_tan, p2_tan, time);
l3 = Vector2.Lerp(p2_tan, p2, time);
l4 = Vector2.Lerp(l1, l2, time);
l5 = Vector2.Lerp(l2, l3, time);
}
return(Vector2.Lerp(l4, l5, time));
}
else
{
Vector2 l1 = Vector2.Lerp(p1, t1, t);
Vector2 l2 = Vector2.Lerp(t1, t2, t);
Vector2 l3 = Vector2.Lerp(t2, p2, t);
Vector2 l4 = Vector2.Lerp(l1, l2, t);
Vector2 l5 = Vector2.Lerp(l2, l3, t);
return(Vector2.Lerp(l4, l5, t));
}
case ConnectorType.Line:
return(Vector2.Lerp(p1, p2, t));
case ConnectorType.Circuit:
if (inverted)
{
time = (t % 0.2f) * 5.0f;
float center_y = FPMath.CenterOfPoints(p1, p2).y;
delta = Mathf.Min(Mathf.Abs(p1.x - p2.x) * 0.5f, 40.0f);
Vector2 t1_pos = new Vector2(p1.x - delta, p1.y);
Vector2 t2_pos = new Vector2(p2.x + delta, p2.y);
Vector2 t1_center = new Vector2(t1_pos.x, center_y);
Vector2 t2_center = new Vector2(t2_pos.x, center_y);
//p1, t1_pos, t1_center, t2_center, t2_pos, p2
if (t <= 0.2f)
{
return(Vector2.Lerp(p1, t1_pos, time));
}
else if (t <= 0.4f)
{
return(Vector2.Lerp(t1_pos, t1_center, time));
}
else if (t <= 0.6f)
{
return(Vector2.Lerp(t1_center, t2_center, time));
}
else if (t <= 0.8f)
{
return(Vector2.Lerp(t2_center, t2_pos, time));
}
else
{
return(Vector2.Lerp(t2_pos, p2, time));
}
}
else
{
if (t <= 0.333333f)
{
return(Vector2.Lerp(p1, t1, time));
}
else if (t <= 0.666666f)
{
return(Vector2.Lerp(t1, t2, time));
}
else
{
return(Vector2.Lerp(t2, p2, time));
}
}
default:
goto case ConnectorType.Line;
}
}