【正文】 center8(2) = 0 center9(0) = XP(0): center9(1) = YP(0): center9(2) = 0 center10(0) = XE: center10(1) = YE: center10(2) = 0 center11(0) = 0: center11(1) = 0: center11(2) = LOA / 1 center12(0) = XE: center12(1) = YE: center12(2) = LOA / 1 center13(0) = XA(0): center13(1) = YA(0): center13(2) = LOA / 2 第 45 頁 共 65 頁 center14(0) = h / 2: center14(1) = YGmin * LGP: center14(2) = * LOA / 1 center15(0) = XG(0): center15(1) = YGmin * LGP + LOA / 2 + LGP / 12: center15(2) = 0。 三維動畫演示 三維仿真窗體的 控件及屬性如表 3： 控件 屬性 Command1 動畫播放 Command2 參數(shù)設(shè)置 Command3 返回 Command4 退出 Label1 請輸入轉(zhuǎn)角 Label2 速度控制 Slider1 Slider1 Text1 Text1 表 3 三維仿真窗體如圖 6： 圖 6 三維仿真窗體界面 三維仿真窗體部分代碼： 變量聲明的代碼： Option Explicit Dim 凸輪 OA As Acad3DSolid Dim 環(huán)體 1 As Acad3DSolid Dim 環(huán)體 2 As Acad3DSolid Dim AB As Acad3DSolid 第 41 頁 共 65 頁 Dim BC As Acad3DSolid Dim CD As Acad3DSolid Dim DG As Acad3DSolid Dim 凸輪 EF As Acad3DSolid Dim 圓柱 D As Acad3DSolid Dim GP As Acad3DSolid Dim DQ As Acad3DSolid Dim 導(dǎo)軌 1 As Acad3DSolid Dim 導(dǎo)軌 2 As Acad3DSolid Dim 沖頭 1 As Acad3DSolid Dim 沖頭 2 As Acad3DSolid Dim 齒輪 1 As Acad3DSolid Dim 齒輪 2 As Acad3DSolid Dim 銷釘 1 As Acad3DSolid Dim 銷釘 2 As Acad3DSolid Dim 銷釘 3 As Acad3DSolid Dim 銷釘 4 As Acad3DSolid Dim 銷釘 5 As Acad3DSolid Dim 機(jī)架 1 As Acad3DSolid Dim 機(jī)架 2 As Acad3DSolid Dim 機(jī)架 3 As Acad3DSolid Dim 機(jī)架 4 As Acad3DSolid Dim 滑塊 As Acad3DSolid Dim 鉸鏈 1 As Acad3DSolid Dim 鉸鏈 2 As Acad3DSolid Dim 鉸鏈 3 As Acad3DSolid Dim 鉸鏈 4 As Acad3DSolid Dim 鉸鏈 5 As Acad3DSolid Dim 鉸鏈 6 As Acad3DSolid 第 42 頁 共 65 頁 Dim 鉸鏈 7 As Acad3DSolid Dim 鉸鏈 8 As Acad3DSolid Dim 鉸鏈 9 As Acad3DSolid Dim 鉸鏈 10 As Acad3DSolid Dim B, C As Single 對 AutoCAD2021 的調(diào)用： Private Sub Command4_Click() 窗口結(jié)束 .Show Unload 窗口主菜單 Unload Me 機(jī)構(gòu) Set 機(jī)構(gòu) CAD = Nothing End Sub Private Sub Form_Load() On Error Resume Next = 0 = 0 Set 機(jī)構(gòu) CAD = GetObject(, ) If Err Then Set 機(jī)構(gòu) CAD = CreateObject() If Err Then MsgBox 不 能 運(yùn) 行 AutoCAD2021, 請 檢 查 是 否 安 裝 了AutoCAD2021 窗口主菜單 .Show Unload Me 第 43 頁 共 65 頁 Exit Sub End If End If 三維模型生成函數(shù)部分代碼： 變量聲明代碼： Private Sub 生成三維模型 () On Error Resume Next Dim center1(2) As Double Dim center2(2) As Double Dim center3(2) As Double Dim center4(2) As Double Dim center5(2) As Double Dim center6(2) As Double Dim center7(2) As Double Dim center8(2) As Double Dim center9(2) As Double Dim center10(2) As Double Dim center11(2) As Double Dim center12(2) As Double Dim center13(2) As Double Dim center14(2) As Double Dim center15(2) As Double Dim center16(2) As Double Dim center17(2) As Double Dim center18(2) As Double Dim centerTem(2) As Double Dim centerTem1(2) As Double Dim rotatePt1(0 To 2) As Double Dim rotatePt2(0 To 2) As Double 第 44 頁 共 65 頁 Dim rotateAngle As Double Dim radius As Double Dim RotTem As Double 建模 部分 代碼： 機(jī)構(gòu) 機(jī)構(gòu) Dim newdirection(0 To 2) As Double 39。設(shè)置 picture2 結(jié)果曲線顯示圖片框 h = 6000 If k = 2 Then h = 30000 Select Case Case AB 桿角速度曲線 第 34 頁 共 65 頁 N = 0 = vbRed = i = ωAB(i) = i = 0 (i, ωAB(i)), / h, vbBlue (0, 0)(360, 0), vbBlue Case AB 桿角加速度曲線 N = 0 = vbRed = i = ωAB(i) = i = 0 (i, ωAB(i)), / h, vbBlue (0, 0)(360, 0), vbBlue Case C 點(diǎn)速度曲線 N = 1 = vbRed = i = VYC(i) = i = 0 (i, VYC(i)), / h, vbBlue 第 35 頁 共 65 頁 (0, 0)(360, 0), vbBlue Case C 點(diǎn)加速度曲線 N = 1 = vbRed = i = aYC(i) = i = 0 (i, aYC(i)), / h, vbBlue (0, 0)(360, 0), vbBlue Case C 點(diǎn)位置曲線 N = 1 = vbRed = i = YC(i) = i = 0 (i, YC(i)), / h, vbBlue (0, 0)(360, 0), vbBlue Case CD 桿角速度曲線 N = 2 = vbRed = i = ωCD(i) = i 第 36 頁 共 65 頁 = 0 (i, ωCD(i)), / h, vbBlue (0, 0)(360, 0), vbBlue Case CD 桿角加速度曲線 N = 2 = vbRed = i = εCD(i) = i = 0 (i, εCD(i)), / h, vbBlue (0, 0)(360, 0), vbBlue Case G 點(diǎn)速度曲線 N = 3 = vbRed = i = VYG(i) = i = 0 (i, VYG(i)), / h, vbBlue (0, 0)(360, 0), vbBlue Case G 點(diǎn)加速度曲線 N = 3 = vbRed = i = aYG(i) 第 37 頁 共 65 頁 = i = 0 (i, aYG(i)), / h, vbBlue (0, 0)(360, 0), vbBlue Case G 點(diǎn)位置曲線 N = 3 = vbRed = i = YG(i) = i = 0 (i, YG(i)), / h, vbBlue (0, 0)(360, 0), vbBlue End Select If N = 0 Then With .Col = 1 .Row = 2 .CellForeColor = vbRed .Text = Format(ωAB(i), 0. 00) .Row = 3 .CellForeColor = vbRed .Text = Format(εAB(i), ) End With End If If N = 1 Then 第 38 頁 共 65 頁 With .Col = 0 .Row = 2 .Text = C 點(diǎn)速度 .Row = 3 .Text = C 點(diǎn)加速度 .Col = 1 .Row = 2 .CellForeColor = vbRed .Text = Format(VYC(i), ) .Row = 3 .CellForeColor = vbRed .Text = Format(aYC(i), ) End With End If If N = 2 Then With .Col = 0 .Row = 2 .Text = CD 角速度 .Row = 3 .Text = CD 角加速度 .Col = 1 .Row = 2 .CellForeColor = vbRed .Text = Format(ωCD(i), ) .Row = 3 .CellForeColor = vbRed 第 39 頁 共 65 頁 .Text = Format(εCD(i), ) End With End If If N = 3 Then With .Col = 0 .Row = 2 .Text = G 點(diǎn)速度 .Row = 3 .Text = G 點(diǎn)加速度 .Col = 1 .Row = 2 .CellForeColor = vbRed .Text = Format(VYG(i), ) .Row = 3 .CellForeColor = vbRed .Text = Format(aYG(i), ) End With End If With .Col = 1 .Row = 1 .CellForeColor = vbRed .Text = 這部分代碼實(shí)現(xiàn)的是顯示動態(tài)曲線。動畫播放時(shí)曲柄 0 到 360 度轉(zhuǎn)動 Dim sTe As Single Dim X1, Y1, X2, Y2 As Single 39。設(shè)