/// <summary>
/// いまのところSlideカーブでの当たり判定用パスを作るためのみに使う
/// 汎用性を高めればDrawSlideCurveメソッドとかをスッキリできそう
/// </summary>
/// <param name="past"></param>
/// <param name="curve"></param>
/// <param name="future"></param>
/// <param name="drawOffset"></param>
/// <returns></returns>
public static GraphicsPath CreateSlideCurvePath(Note past, Note curve, Note future, PointF drawOffset)
{
GraphicsPath graphicsPath = new GraphicsPath();
PointF pastRerativeLocation = new PointF(past.Location.X, past.Location.Y);
float positionDistanceFuture = (future.Position.Tick - past.Position.Tick) * ScoreInfo.UnitBeatHeight;
float positionDistanceCurve = (curve.Position.Tick - past.Position.Tick) * ScoreInfo.UnitBeatHeight;
float diffXFuture = (future.Position.Lane - past.Position.Lane) * ScoreInfo.UnitLaneWidth;
float diffXCurve = (curve.Position.Lane - past.Position.Lane) * ScoreInfo.UnitLaneWidth;
//ノーツfutureの位置はノーツpastの位置に2ノーツの距離を引いて表す。またTopRightの水平位置はfutureのWidthを使うことに注意
PointF topLeft = pastRerativeLocation.Add(diffXFuture, -positionDistanceFuture).Add(drawOffset);
PointF topRight = pastRerativeLocation.Add(diffXFuture, -positionDistanceFuture).Add(-drawOffset.X, drawOffset.Y).AddX(future.Width);
//以下の2つはレーンをまたがないときと同じ
PointF bottomLeft = pastRerativeLocation.Add(drawOffset);
PointF bottomRight = pastRerativeLocation.Add(-drawOffset.X, drawOffset.Y).AddX(past.Width);
//3つのそれぞれのノーツの中心の座標
PointF topCenter = topLeft.AddX(future.Width / 2f - drawOffset.X);
PointF bottomCenter = bottomLeft.AddX(past.Width / 2f - drawOffset.X);
PointF curveCenter = pastRerativeLocation.Add(diffXCurve, -positionDistanceCurve).AddX(curve.Width / 2f);
//
//下からアンカーまでの比率
float ratio = (curveCenter.Y - bottomCenter.Y) / (topCenter.Y - bottomCenter.Y);
//カーブノーツのY座標で水平にスライドを切ったときのスライド幅
float widthAnchor = (topRight.X - topLeft.X) * ratio + (bottomRight.X - bottomLeft.X) * (1 - ratio);
//
graphicsPath.AddBezier(bottomLeft, curveCenter.AddX(-widthAnchor / 2f), topLeft);
graphicsPath.AddLine(topLeft, topRight);
graphicsPath.AddBezier(topRight, curveCenter.AddX(widthAnchor / 2f), bottomRight);
graphicsPath.AddLine(bottomLeft, bottomRight);
return(graphicsPath);
}
/// <summary>
/// 真上向きAirのGraphicsPathを返します
/// </summary>
/// <returns></returns>
protected virtual GraphicsPath GetAirPath(Point drawLocation)
{
GraphicsPath graphicsPath = new GraphicsPath();
PointF baseLocation = Location.Add(-drawLocation.X, -drawLocation.Y);
PointF topCenter = baseLocation.AddX(Width / 2f).AddY(borderWidth).Add(drawOffset);
PointF topRight = topCenter.AddX(Width / 2f - (Size - 1) * widthRatio).AddY(airHeight - airLineHeight - borderWidth);
PointF topLeft = topCenter.AddX(-(Width / 2f - (Size - 1) * widthRatio)).AddY(airHeight - airLineHeight - borderWidth);
PointF bottomCenter = topCenter.AddY(airLineHeight - borderWidth);
PointF bottomRight = topRight.AddY(airLineHeight - borderWidth);
PointF bottomLeft = topLeft.AddY(airLineHeight - borderWidth);
graphicsPath.AddLines(new PointF[] { topCenter, topRight, bottomRight, bottomCenter, bottomLeft, topLeft });
graphicsPath.CloseFigure();
return(graphicsPath);
}
/// <summary>
/// ノーツ間を繋ぐ帯の描画（ベジェ）
/// </summary>
private static void DrawSlideCurve(Graphics g, Note past, Note curve, Note future, Point drawLocation, LaneBook laneBook, ref RectangleF gradientRect)
{
if (gradientRect.Width <= 0)
{
gradientRect.Width = 1;
}
if (gradientRect.Height <= 0)
{
gradientRect.Height = 1;
}
//相対位置
PointF pastRerativeLocation = new PointF(past.Location.X - drawLocation.X, past.Location.Y - drawLocation.Y);
int passingLanes = future.LaneIndex - past.LaneIndex;
float positionDistanceFuture = (future.Position.Tick - past.Position.Tick) * ScoreInfo.UnitBeatHeight;
float positionDistanceCurve = (curve.Position.Tick - past.Position.Tick) * ScoreInfo.UnitBeatHeight;
float diffXFuture = (future.Position.Lane - past.Position.Lane) * ScoreInfo.UnitLaneWidth;
float diffXCurve = (curve.Position.Lane - past.Position.Lane) * ScoreInfo.UnitLaneWidth;
//ノーツfutureの位置はノーツpastの位置に2ノーツの距離を引いて表す。またTopRightの水平位置はfutureのWidthを使うことに注意
PointF topLeft = pastRerativeLocation.Add(diffXFuture, -positionDistanceFuture).Add(drawOffset);
PointF topRight = pastRerativeLocation.Add(diffXFuture, -positionDistanceFuture).Add(-drawOffset.X, drawOffset.Y).AddX(future.Width);
//以下の2つはレーンをまたがないときと同じ
PointF bottomLeft = pastRerativeLocation.Add(drawOffset).AddY(deltaHeight);
PointF bottomRight = pastRerativeLocation.Add(-drawOffset.X, drawOffset.Y).AddX(past.Width).AddY(deltaHeight);
//3つのそれぞれのノーツの中心の座標
PointF topCenter = topLeft.AddX(future.Width / 2f - drawOffset.X);
PointF bottomCenter = bottomLeft.AddX(past.Width / 2f - drawOffset.X);
PointF curveCenter = pastRerativeLocation.Add(diffXCurve, -positionDistanceCurve).AddX(curve.Width / 2f);
//
//下からアンカーまでの比率
float ratio = (curveCenter.Y - bottomCenter.Y) / (topCenter.Y - bottomCenter.Y);
//カーブノーツのY座標で水平にスライドを切ったときのスライド幅
float widthAnchor = (topRight.X - topLeft.X) * ratio + (bottomRight.X - bottomLeft.X) * (1 - ratio);
using (GraphicsPath graphicsPath = new GraphicsPath())
{
graphicsPath.AddBezier(bottomLeft, curveCenter.AddX(-widthAnchor / 2f), topLeft);
graphicsPath.AddLine(topLeft, topRight);
graphicsPath.AddBezier(topRight, curveCenter.AddX(widthAnchor / 2f), bottomRight);
graphicsPath.AddLine(bottomLeft, bottomRight);
ScoreLane scoreLane = laneBook.Find(x => x.Contains(past));
RectangleF clipRect;
for (int i = 0; i <= passingLanes && scoreLane != null; ++i)
{
if (Status.DrawTickFirst < scoreLane.EndTick && scoreLane.StartTick < Status.DrawTickLast)
{
clipRect = new RectangleF(
scoreLane.LaneRect.X - drawLocation.X,
scoreLane.LaneRect.Y - drawLocation.Y,
scoreLane.LaneRect.Width,
scoreLane.LaneRect.Height);
g.Clip = new Region(clipRect);
using (LinearGradientBrush myBrush = new LinearGradientBrush(gradientRect, baseColor, baseColor, LinearGradientMode.Vertical))
{
myBrush.InterpolationColors = colorBlend;
g.FillPath(myBrush, graphicsPath);
}
using (Pen myPen = new Pen(lineColor, 2))
{
g.DrawBezier(myPen, bottomCenter, curveCenter, topCenter);
}
}
// インクリメント
bottomCenter = bottomCenter.Add(ScoreLane.Width + ScorePanel.Margin.Left + ScorePanel.Margin.Right, scoreLane.HitRect.Height);
curveCenter = curveCenter.Add(ScoreLane.Width + ScorePanel.Margin.Left + ScorePanel.Margin.Right, scoreLane.HitRect.Height);
topCenter = topCenter.Add(ScoreLane.Width + ScorePanel.Margin.Left + ScorePanel.Margin.Right, scoreLane.HitRect.Height);
if (i != passingLanes)
{
graphicsPath.Translate(ScoreLane.Width + ScorePanel.Margin.Left + ScorePanel.Margin.Right, scoreLane.HitRect.Height);
gradientRect.Y += scoreLane.HitRect.Height;
scoreLane = laneBook.Next(scoreLane);
}
}
}
}