public static Vector2 GetPointOnConnection(float t, Vector2 start, Vector2 end, Edge startEdge, Edge?endEdge, float relativeBend = 1 / 4f, float minBend = 0)
{
var startTangent = GetStartTangent(start, end, startEdge, endEdge, relativeBend, minBend);
var endTangent = GetEndTangent(start, end, startEdge, endEdge, relativeBend, minBend);
return(MathfEx.Bezier(start, end, startTangent, endTangent, t));
}
public static void DrawGrid(Vector2 scroll, Rect position, float zoom = 1)
{
if (e.type != EventType.Repaint)
{
return;
}
var i = 0;
var drawMinor = zoom >= 0.75f;
var width = MathfEx.HigherMultiple(position.width, Styles.minorGridSpacing * Styles.majorGridGroup);
for (var x = position.x; x < position.x + width; x += Styles.minorGridSpacing)
{
var xWrap = MathfEx.Wrap(x - scroll.x, width);
if (i == 0)
{
EditorGUI.DrawRect(new Rect
(
xWrap,
0,
Styles.majorGridThickness / zoom,
position.height
), Styles.majorGridColor);
}
else if (drawMinor)
{
EditorGUI.DrawRect(new Rect
(
xWrap,
0,
Styles.minorGridThickness / zoom,
position.height
), Styles.minorGridColor);
}
i = (i + 1) % Styles.majorGridGroup;
}
var j = 0;
var height = MathfEx.HigherMultiple(position.height, Styles.minorGridSpacing * Styles.majorGridGroup);
for (var y = position.y; y < position.y + height; y += Styles.minorGridSpacing)
{
var yWrap = MathfEx.Wrap(y - scroll.y, height);
if (j == 0)
{
EditorGUI.DrawRect(new Rect
(
0,
yWrap,
position.width,
Styles.majorGridThickness / zoom
), Styles.majorGridColor);
}
else if (drawMinor)
{
EditorGUI.DrawRect(new Rect
(
0,
yWrap,
position.width,
Styles.minorGridThickness / zoom
), Styles.minorGridColor);
}
j = (j + 1) % Styles.majorGridGroup;
}
if (LudiqCore.Configuration.developerMode && LudiqGraphs.Configuration.debug)
{
GUI.Label(new Rect(position.position, new Vector2(500, 16)), "Scroll: " + scroll, EditorStyles.whiteLabel);
GUI.Label(new Rect(position.position + new Vector2(0, 16), new Vector2(500, 16)), "Position: " + position, EditorStyles.whiteLabel);
GUI.Label(new Rect(position.position + new Vector2(0, 32), new Vector2(500, 16)), "Hot Controls: " + GUIUtility.hotControl + " / " + GUIUtility.keyboardControl, EditorStyles.whiteLabel);
}
}
public static float SnapToGrid(float position)
{
return(MathfEx.NearestMultiple(position, Styles.minorGridSpacing));
}