public static bool IsInRange(Vector2Int left, Vector2Int right, int range)
{
Rect2 rangeRect = new Rect2(left.ToVec2(), new Vector2(1, 1));
rangeRect = rangeRect.Grow(range);
return(rangeRect.HasPoint(right.ToVec2()));
}
public override void _Draw()
{
// ---- Draws Grid -----
for (int i = 0; i < 5; i++)
{
float t = i / 4f;
Vector2 origin = new Vector2(
Mathf.Lerp(MARGIN, RectSize.x - MARGIN, t), 0
);
Vector2 to = origin + RectSize * Vector2.Down;
DrawLine(origin, to, new Color(1f, 1f, 1f, .25f));
DrawString(defaultFont, to, t.ToString(), new Color(1f, 1f, 1f, .25f));
}
for (int i = 0; i < 3; i++)
{
float t = i / 2f;
Vector2 origin = new Vector2(
0, Mathf.Lerp(MARGIN, RectSize.y - MARGIN, t)
);
Vector2 to = origin + RectSize * Vector2.Right;
DrawLine(origin, to, new Color(1f, 1f, 1f, .25f));
DrawString(defaultFont, origin + Vector2.Right * MARGIN, (1f - t).ToString(), new Color(1f, 1f, 1f, .25f));
}
// ---------------------
// ---- Draws Curve ----
Vector2[] linePoints = new Vector2[CURVE_RESOLUTION];
for (int i = 0; i < CURVE_RESOLUTION; i++)
{
float t = i / (float)(CURVE_RESOLUTION - 1);
float x = Mathf.Lerp(MARGIN, RectSize.x - MARGIN, t);
float y = Mathf.Lerp(MARGIN, RectSize.y - MARGIN, 1f - curve.Interpolate(t));
linePoints[i] = new Vector2(x, y);
}
DrawPolyline(linePoints, new Color(1f, 1f, 1f, .5f));
// ---------------------
// --- Draws Handles ---
int pointCount = curve.GetPointCount();
for (int i = 0; i < pointCount; i++)
{
float t = i / (float)(pointCount - 1);
Rect2 r = new Rect2();
Vector2 handlePos = GetHandlePos(i);
if (i == selectedIdx)
{
if (i > 0)
{
Vector2 tanPos = GetHandleLeftTangent(i);
r.Position = tanPos - Vector2.One * (TANGENT_HANDLE_SIZE / 2f);
r.Size = Vector2.One * TANGENT_HANDLE_SIZE;
DrawLine(handlePos, tanPos, Colors.SkyBlue);
DrawRect(r, Colors.SkyBlue);
}
if (i < pointCount - 1)
{
Vector2 tanPos = GetHandleRightTangent(i);
r.Position = tanPos - Vector2.One * (TANGENT_HANDLE_SIZE / 2f);
r.Size = Vector2.One * TANGENT_HANDLE_SIZE;
DrawLine(handlePos, tanPos, Colors.SkyBlue);
DrawRect(r, Colors.SkyBlue);
}
}
r.Position = handlePos - Vector2.One * (HANDLE_SIZE / 2f);
r.Size = Vector2.One * HANDLE_SIZE;
if (i == selectedIdx)
{
DrawRect(r, Colors.SkyBlue);
}
else
{
DrawRect(r, Colors.White);
}
if (i == hoverIdx)
{
r = r.Grow(3);
DrawRect(r, Colors.White, false);
}
}
// ---------------------
}