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累计签到:223 天 连续签到:1 天
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发表于 2023-9-15 17:34:14
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显示全部楼层
Dim Pi As Double: Pi = 4 * Atn(1)
ActiveDocument.Unit = cdrMillimeter
Dim s1 As Shape, i As Integer, pA, pB, pC, pD, O, arrP(72)
Set s1 = ActiveSelectionRange.Shapes(1)
Dim p(): ReDim p(s1.Curve.Nodes.Count - 1)
For i = 0 To UBound(p)
p(i) = Array(s1.Curve.Nodes(i + 1).PositionX, s1.Curve.Nodes(i + 1).PositionY)
Next
Dim gama As Double, gama0 As Double, u As Double, v As Double
-- centre O
pA = Array(p(0)(0) + 0.5 *(p(1)(0) -p(0)(0)), p(0)(1) + 0.5 * (p(1)(1) -p(0)(1)))
pB = Array(p(3)(0) + 0.5 *(p(2)(0)-p(3)(0)), p(3)(1) + 0.5 *(p(2)(1)-p(3)(1)))
pC = Array(p(0)(0) + 0.5 * (p(3)(0) - p(0)(0)), p(0)(1) + 0.5 * (p(3)(1) - p(0)(1)))
pD = Array(p(1)(0)+ 0.5 *(p(2)(0) -p(1)(0)), p(1)(1)+ 0.5 *(p(2)(1)-p(1)(1)))
O = math.segsCross(pA, pB, pC, pD)
---- getting gama0 (i.e. pD) ----
u = 0.5 + 0.5 * Cos(0):v = 0.5 +0.5 * Sin(0)
pD = Array(p(1)(0) + v *(p(2)(0)-p(1)(0)),p(1)(1) + v *(p(2)(1)-p(1)(1)))
gamaO = math.alfaPP_inArc(pD, O)
start
Fori = 0 To 72
gama =i*5*(Pi/180)
u = 0.5 + 0.5 * Cos(gama - gama0)
v = 0.5 + 0.5 * Sin(gama - gama0)
pA = Array(p(0)(0) + u * (p(1)(0) - p(0)(0)), p(0)(1) + u * (p(1)(1) - p(0)(1)))
pB = Array(p(3)(0) + u * (p(2)(0) - p(3)(0)), p(3)(1) + u * (p(2)(1) - p(3)(1)))
pC =Array(p(0)(0) + v*(p(3)(0) -p(0)(0)),p(0)(1) +v*(p(3)(1)-p(0)(1)))
pD = Array(p(1)(0) + v * (p(2)(0) -p(1)(0)), p(1)(1) + v * (p(2)(1) - p(1)(1)))
arrP(i) = math.segsCross(pA, pB, pC, pD)
Next
Set s1 = draw.BezierX(arrP)
这段代码可以在多边形做内切圆,但我看不懂怎么运行 |
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