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314
Task/Draw-a-rotating-cube/AutoHotkey/draw-a-rotating-cube.ahk
Normal file
314
Task/Draw-a-rotating-cube/AutoHotkey/draw-a-rotating-cube.ahk
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@ -0,0 +1,314 @@
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; ---------------------------------------------------------------
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cubeSize := 200
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deltaX := A_ScreenWidth/2
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deltaY := A_ScreenHeight/2
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keyStep := 1
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mouseStep := 0.2
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zoomStep := 1.1
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playSpeed := 1
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playTimer := 10
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penSize := 5
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/*
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HotKeys:
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!p:: Play/Stop
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!x:: change play to x-axis
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!y:: change play to y-axis
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!z:: change play to z-axis
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!NumpadAdd:: Zoom in
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!WheelUp:: Zoom in
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!NumpadSub:: Zoom out
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!WheelDown:: Zoom out
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!LButton:: Rotate X-axis, follow mouse
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!Up:: Rotate X-axis, CCW
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!Down:: Rotate X-axis, CW
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!LButton:: Rotate Y-axis, follow mouse
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!Right:: Rotate Y-axis, CCW
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!Left:: Rotate Y-axis, CW
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!RButton:: Rotate Z-axis, follow mouse
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!PGUP:: Rotate Z-axis, CW
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!PGDN:: Rotate Z-axis, CCW
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+LButton:: Move, follow mouse
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^esc:: Exitapp
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*/
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visualCube =
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(
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1+--------+5
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|\ \
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| 2+--------+6
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| | |
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3+ | 7+ |
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\ | |
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4+--------+8
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)
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SetBatchLines, -1
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coord := cubeSize/2
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nodes :=[[-coord, -coord, -coord]
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, [-coord, -coord, coord]
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, [-coord, coord, -coord]
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, [-coord, coord, coord]
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, [ coord, -coord, -coord]
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, [ coord, -coord, coord]
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, [ coord, coord, -coord]
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, [ coord, coord, coord]]
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edges := [[1, 2], [2, 4], [4, 3], [3, 1]
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, [5, 6], [6, 8], [8, 7], [7, 5]
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, [1, 5], [2, 6], [3, 7], [4, 8]]
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faces := [[1,2,4,3], [2,4,8,6], [1,2,6,5], [1,3,7,5], [5,7,8,6], [3,4,8,7]]
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CP := [(nodes[8,1]+nodes[1,1])/2 , (nodes[8,2]+nodes[1,2])/2]
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rotateX3D(-30)
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rotateY3D(30)
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Gdip1()
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draw()
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return
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; --------------------------------------------------------------
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draw() {
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global
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D := ""
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for i, n in nodes
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D .= Sqrt((n.1-CP.1)**2 + (n.2-CP.2)**2) "`t:" i ":`t" n.3 "`n"
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Sort, D, N
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p1 := StrSplit(StrSplit(D, "`n", "`r").1, ":").2
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p2 := StrSplit(StrSplit(D, "`n", "`r").2, ":").2
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hiddenNode := nodes[p1,3] < nodes[p2,3] ? p1 : p2
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; Draw Faces
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loop % faces.count() {
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n1 := faces[A_Index, 1]
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n2 := faces[A_Index, 2]
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n3 := faces[A_Index, 3]
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n4 := faces[A_Index, 4]
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if (n1 = hiddenNode) || (n2 = hiddenNode) || (n3 = hiddenNode) || (n4 = hiddenNode)
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continue
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points := nodes[n1,1]+deltaX "," nodes[n1,2]+deltaY
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. "|" nodes[n2,1]+deltaX "," nodes[n2,2]+deltaY
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. "|" nodes[n3,1]+deltaX "," nodes[n3,2]+deltaY
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. "|" nodes[n4,1]+deltaX "," nodes[n4,2]+deltaY
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Gdip_FillPolygon(G, FaceBrush%A_Index%, Points)
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}
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; Draw Node-Numbers
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;~ loop % nodes.count() {
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;~ Gdip_FillEllipse(G, pBrush, nodes[A_Index, 1]+deltaX, nodes[A_Index, 2]+deltaY, 4, 4)
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;~ Options := "x" nodes[A_Index, 1]+deltaX " y" nodes[A_Index, 2]+deltaY "c" TextColor " Bold s" size
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;~ Gdip_TextToGraphics(G, A_Index, Options, Font)
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;~ }
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; Draw Edges
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loop % edges.count() {
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n1 := edges[A_Index, 1]
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n2 := edges[A_Index, 2]
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if (n1 = hiddenNode) || (n2 = hiddenNode)
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continue
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Gdip_DrawLine(G, pPen, nodes[n1,1]+deltaX, nodes[n1,2]+deltaY, nodes[n2,1]+deltaX, nodes[n2,2]+deltaY)
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}
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UpdateLayeredWindow(hwnd1, hdc, 0, 0, Width, Height)
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}
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; ---------------------------------------------------------------
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rotateZ3D(theta) { ; Rotate shape around the z-axis
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global
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theta *= 3.141592653589793/180
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sinTheta := sin(theta)
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cosTheta := cos(theta)
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loop % nodes.count() {
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x := nodes[A_Index,1]
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y := nodes[A_Index,2]
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nodes[A_Index,1] := x*cosTheta - y*sinTheta
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nodes[A_Index,2] := y*cosTheta + x*sinTheta
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}
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Redraw()
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}
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; ---------------------------------------------------------------
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rotateX3D(theta) { ; Rotate shape around the x-axis
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global
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theta *= 3.141592653589793/180
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sinTheta := sin(theta)
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cosTheta := cos(theta)
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loop % nodes.count() {
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y := nodes[A_Index, 2]
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z := nodes[A_Index, 3]
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nodes[A_Index, 2] := y*cosTheta - z*sinTheta
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nodes[A_Index, 3] := z*cosTheta + y*sinTheta
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}
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Redraw()
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}
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; ---------------------------------------------------------------
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rotateY3D(theta) { ; Rotate shape around the y-axis
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global
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theta *= 3.141592653589793/180
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sinTheta := sin(theta)
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cosTheta := cos(theta)
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loop % nodes.count() {
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x := nodes[A_Index, 1]
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z := nodes[A_Index, 3]
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nodes[A_Index, 1] := x*cosTheta + z*sinTheta
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nodes[A_Index, 3] := z*cosTheta - x*sinTheta
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}
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Redraw()
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}
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; ---------------------------------------------------------------
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Redraw(){
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global
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gdip2()
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gdip1()
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draw()
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}
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; ---------------------------------------------------------------
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gdip1(){
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global
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If !pToken := Gdip_Startup()
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{
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MsgBox, 48, gdiplus error!, Gdiplus failed to start. Please ensure you have gdiplus on your system
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ExitApp
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}
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OnExit, Exit
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Width := A_ScreenWidth, Height := A_ScreenHeight
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Gui, 1: -Caption +E0x80000 +LastFound +OwnDialogs +Owner +AlwaysOnTop
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Gui, 1: Show, NA
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hwnd1 := WinExist()
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hbm := CreateDIBSection(Width, Height)
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hdc := CreateCompatibleDC()
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obm := SelectObject(hdc, hbm)
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G := Gdip_GraphicsFromHDC(hdc)
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Gdip_SetSmoothingMode(G, 4)
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TextColor:="FFFFFF00", size := 18
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Font := "Arial"
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Gdip_FontFamilyCreate(Font)
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pBrush := Gdip_BrushCreateSolid(0xFFFF00FF)
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FaceBrush1 := Gdip_BrushCreateSolid(0xFF0000FF) ; blue
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FaceBrush2 := Gdip_BrushCreateSolid(0xFFFF0000) ; red
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FaceBrush3 := Gdip_BrushCreateSolid(0xFFFFFF00) ; yellow
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FaceBrush4 := Gdip_BrushCreateSolid(0xFFFF7518) ; orange
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FaceBrush5 := Gdip_BrushCreateSolid(0xFF00FF00) ; lime
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FaceBrush6 := Gdip_BrushCreateSolid(0xFFFFFFFF) ; white
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pPen := Gdip_CreatePen(0xFF000000, penSize)
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}
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; ---------------------------------------------------------------
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gdip2(){
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global
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Gdip_DeleteBrush(pBrush)
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Gdip_DeletePen(pPen)
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SelectObject(hdc, obm)
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DeleteObject(hbm)
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DeleteDC(hdc)
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Gdip_DeleteGraphics(G)
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}
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; Viewing Hotkeys ----------------------------------------------
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; HotKey Play/Stop ---------------------------------------------
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!p::
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SetTimer, rotateTimer, % (toggle:=!toggle)?playTimer:"off"
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return
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rotateTimer:
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axis := !axis ? "Y" : axis
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rotate%axis%3D(playSpeed)
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return
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!x::
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!y::
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!z::
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axis := SubStr(A_ThisHotkey, 2, 1)
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return
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; HotKey Zoom in/out -------------------------------------------
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!NumpadAdd::
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!NumpadSub::
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!WheelUp::
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!WheelDown::
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loop % nodes.count()
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{
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nodes[A_Index, 1] := nodes[A_Index, 1] * (InStr(A_ThisHotkey, "Add") || InStr(A_ThisHotkey, "Up") ? zoomStep : 1/zoomStep)
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nodes[A_Index, 2] := nodes[A_Index, 2] * (InStr(A_ThisHotkey, "Add") || InStr(A_ThisHotkey, "Up") ? zoomStep : 1/zoomStep)
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nodes[A_Index, 3] := nodes[A_Index, 3] * (InStr(A_ThisHotkey, "Add") || InStr(A_ThisHotkey, "Up") ? zoomStep : 1/zoomStep)
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}
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Redraw()
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return
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; HotKey Rotate around Y-Axis ----------------------------------
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!Right::
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!Left::
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rotateY3D(keyStep * (InStr(A_ThisHotkey,"right") ? 1 : -1))
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return
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; HotKey Rotate around X-Axis ----------------------------------
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!Up::
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!Down::
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rotateX3D(keyStep * (InStr(A_ThisHotkey, "Up") ? 1 : -1))
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return
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; HotKey Rotate around Z-Axis ----------------------------------
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!PGUP::
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!PGDN::
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rotateZ3D(keyStep * (InStr(A_ThisHotkey, "UP") ? 1 : -1))
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return
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; HotKey, Rotate around X/Y-Axis -------------------------------
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!LButton::
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MouseGetPos, pmouseX, pmouseY
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while GetKeyState("Lbutton", "P")
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{
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MouseGetPos, mouseX, mouseY
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DeltaMX := mouseX - pmouseX
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DeltaMY := pmouseY - mouseY
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if (DeltaMX || DeltaMY)
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{
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MouseGetPos, pmouseX, pmouseY
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rotateY3D(DeltaMX)
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rotateX3D(DeltaMY)
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}
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}
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return
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; HotKey Rotate around Z-Axis ----------------------------------
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!RButton::
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MouseGetPos, pmouseX, pmouseY
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while GetKeyState("Rbutton", "P")
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{
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MouseGetPos, mouseX, mouseY
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DeltaMX := mouseX - pmouseX
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DeltaMY := mouseY - pmouseY
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DeltaMX *= mouseY < deltaY ? mouseStep : -mouseStep
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DeltaMY *= mouseX > deltaX ? mouseStep : -mouseStep
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if (DeltaMX || DeltaMY)
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{
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MouseGetPos, pmouseX, pmouseY
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rotateZ3D(DeltaMX)
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rotateZ3D(DeltaMY)
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}
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}
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return
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; HotKey, Move -------------------------------------------------
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+LButton::
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MouseGetPos, pmouseX, pmouseY
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while GetKeyState("Lbutton", "P")
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{
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MouseGetPos, mouseX, mouseY
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deltaX += mouseX - pmouseX
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deltaY += mouseY - pmouseY
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pmouseX := mouseX
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pmouseY := mouseY
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Redraw()
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}
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return
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; ---------------------------------------------------------------
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^esc::
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Exit:
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gdip2()
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Gdip_Shutdown(pToken)
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ExitApp
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Return
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; ---------------------------------------------------------------
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