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monitor1394
2022-03-16 13:41:26 +08:00
parent d6c45aaf6b
commit 407b3625d7
5 changed files with 84 additions and 14 deletions
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72
Runtime/XUGL/UGL.cs
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@@ -120,7 +120,7 @@ namespace XUGL
}
}
public static void DrawLine(VertexHelper vh, List<Vector3> points, float width, Color32 color, bool smooth)
public static void DrawLine(VertexHelper vh, List<Vector3> points, float width, Color32 color, bool smooth, bool closepath = false)
{
for (int i = points.Count - 1; i >= 1; i--)
{
@@ -146,6 +146,10 @@ namespace XUGL
var ibp = Vector3.zero;
var ctp = Vector3.zero;
var cbp = Vector3.zero;
if (closepath && !UGLHelper.IsValueEqualsVector3(points[points.Count - 1], points[0]))
{
points.Add(points[0]);
}
for (int i = 1; i < points.Count - 1; i++)
{
bool bitp = true, bibp = true;
@@ -1806,5 +1810,71 @@ namespace XUGL
{
SVG.DrawPath(vh, path);
}
public static void DrawEllipse(VertexHelper vh, Vector3 center, float w, float h, Color32 color, float smoothness = 1)
{
DrawEllipse(vh, center, w, h, color, smoothness, 0, s_ClearColor32, 0, 360);
}
public static void DrawEllipse(VertexHelper vh, Vector3 center, float w, float h, Color32 color, float smoothness,
float borderWidth, Color32 borderColor,
float startAngle, float endAngle)
{
startAngle = (startAngle + 360) % 360;
endAngle = (endAngle + 360) % 360;
if (endAngle < startAngle)
endAngle += 360;
if (endAngle <= startAngle)
return;
var angle = startAngle;
var lp = Vector2.zero;
var fill = color.a != 0;
var border = borderWidth != 0 && borderColor.a != 0;
if (!fill && !border)
return;
var startTriangleIndex = vh.currentVertCount;
if (fill)
{
vh.AddVert(center, color, Vector2.zero);
}
if (smoothness < 0.5f)
smoothness = 0.5f;
var i = 0;
while (angle <= endAngle)
{
var rad = angle * Mathf.Deg2Rad;
var x = center.x + w * Mathf.Cos(rad);
var y = center.y + h * Mathf.Sin(rad);
var p1 = new Vector3(x, y);
vh.AddVert(p1, color, Vector2.zero);
if (border)
{
var dire = (p1 - center).normalized;
var diff = dire * borderWidth;
var p2 = p1 + diff;
vh.AddVert(p1, borderColor, Vector2.zero);
vh.AddVert(p2, borderColor, Vector2.zero);
if (i > 0)
{
var index = startTriangleIndex + i * 3 + 2;
vh.AddTriangle(index - 3, index + 1, index - 2);
vh.AddTriangle(index - 3, index, index + 1);
if (fill)
vh.AddTriangle(startTriangleIndex, index - 1, index - 4);
}
}
else if (i > 0 && fill)
{
var index = startTriangleIndex + i;
vh.AddTriangle(startTriangleIndex, index + 1, index);
}
i++;
angle += smoothness;
}
}
}
}