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[feature][radar] support smooth line

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This commit is contained in:
monitor1394
2022-07-17 20:57:38 +08:00
parent aee49322b7
commit eedafa7011
10 changed files with 120 additions and 43 deletions
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85
Runtime/XUGL/UGL.cs
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@@ -10,6 +10,24 @@ namespace XUGL
/// </summary>
public static class UGL
{
/// <summary>
/// 曲线方向
/// </summary>
public enum Direction
{
/// <summary>
/// 沿X轴方向
/// </summary>
XAxis,
/// <summary>
/// 沿Y轴方向
/// </summary>
YAxis,
/// <summary>
/// 随机无序的。如一个闭合的环状曲线。
/// </summary>
Random
}
private static readonly Color32 s_ClearColor32 = new Color32(0, 0, 0, 0);
private static readonly Vector2 s_ZeroVector2 = Vector2.zero;
private static UIVertex[] s_Vertex = new UIVertex[4];
@@ -134,7 +152,7 @@ namespace XUGL
}
else if (smooth)
{
DrawCurves(vh, points, width, color, 2);
DrawCurves(vh, points, width, color, 2, 2, Direction.XAxis, float.NaN, closepath);
}
else
{
@@ -1752,42 +1770,67 @@ namespace XUGL
/// <param name="lineWidth">曲线宽</param>
/// <param name="lineColor">曲线颜色</param>
public static void DrawCurves(VertexHelper vh, Vector3 sp, Vector3 ep, Vector3 cp1, Vector3 cp2,
float lineWidth, Color32 lineColor, float smoothness)
float lineWidth, Color32 lineColor, float smoothness, Direction dire = Direction.XAxis)
{
var dist = Vector3.Distance(sp, ep);
var segment = (int) (dist / (smoothness <= 0 ? 2f : smoothness));
UGLHelper.GetBezierList2(ref s_CurvesPosList, sp, ep, segment, cp1, cp2);
DrawCurvesInternal(vh, s_CurvesPosList, lineWidth, lineColor);
DrawCurvesInternal(vh, s_CurvesPosList, lineWidth, lineColor, dire);
}
/// <summary>
/// 画贝塞尔曲线
/// </summary>
/// <param name="vh"></param>
/// <param name="points">坐标点列表</param>
/// <param name="width">曲线宽</param>
/// <param name="color">曲线颜色</param>
/// <param name="smoothStyle">曲线样式</param>
/// <param name="smoothness">平滑度</param>
/// <param name="dire">曲线方向</param>
/// <param name="currProgress">当前绘制进度</param>
/// <param name="closed">曲线是否闭合</param>
public static void DrawCurves(VertexHelper vh, List<Vector3> points, float width, Color32 color,
float smoothness, float currProgress = float.PositiveInfinity, bool isYAxis = false)
float smoothStyle, float smoothness, Direction dire, float currProgress = float.NaN,
bool closed = false)
{
for (int i = 0; i < points.Count - 1; i++)
var count = points.Count;
var size = (closed?count : count - 1);
if (closed)
dire = Direction.Random;
for (int i = 0; i < size; i++)
{
var sp = points[i];
var ep = points[i + 1];
var lsp = i > 0 ? points[i - 1] : sp;
var nep = i < points.Count - 2 ? points[i + 2] : ep;
var ep = closed?(i == size - 1 ? points[0] : points[i + 1]) : points[i + 1];
var lsp = i > 0 ? points[i - 1] : (closed?points[count - 1] : sp);
var nep = i < points.Count - 2 ? points[i + 2] : (closed?points[(i + 2) % count] : ep);
var smoothness2 = smoothness;
if (currProgress != float.PositiveInfinity)
if (currProgress != float.NaN)
{
if (isYAxis)
smoothness2 = ep.y <= currProgress ? smoothness : smoothness * 0.5f;
else
smoothness2 = ep.x <= currProgress ? smoothness : smoothness * 0.5f;
switch (dire)
{
case Direction.XAxis:
smoothness2 = ep.x <= currProgress ? smoothness : smoothness * 0.5f;
break;
case Direction.YAxis:
smoothness2 = ep.y <= currProgress ? smoothness : smoothness * 0.5f;
break;
case Direction.Random:
smoothness2 = smoothness * 0.5f;
break;
}
}
if (isYAxis)
UGLHelper.GetBezierListVertical(ref s_CurvesPosList, sp, ep, smoothness2);
if (dire == Direction.YAxis)
UGLHelper.GetBezierListVertical(ref s_CurvesPosList, sp, ep, smoothness2, smoothStyle);
else
UGLHelper.GetBezierList(ref s_CurvesPosList, sp, ep, lsp, nep, smoothness2);
UGLHelper.GetBezierList(ref s_CurvesPosList, sp, ep, lsp, nep, smoothness2, smoothStyle);
DrawCurvesInternal(vh, s_CurvesPosList, width, color, currProgress, isYAxis);
DrawCurvesInternal(vh, s_CurvesPosList, width, color, dire, currProgress);
}
}
private static void DrawCurvesInternal(VertexHelper vh, List<Vector3> curvesPosList, float lineWidth,
Color32 lineColor, float currProgress = float.PositiveInfinity, bool isYAxis = false)
Color32 lineColor, Direction dire, float currProgress = float.NaN)
{
if (curvesPosList.Count > 1)
{
@@ -1805,11 +1848,11 @@ namespace XUGL
for (int i = 1; i < curvesPosList.Count; i++)
{
to = curvesPosList[i];
if (currProgress != float.PositiveInfinity)
if (currProgress != float.NaN)
{
if (isYAxis && to.y > currProgress)
if (dire == Direction.YAxis && to.y > currProgress)
break;
if (!isYAxis && to.x > currProgress)
if (dire == Direction.XAxis && to.x > currProgress)
break;
}