126 lines
3.9 KiB
Plaintext
126 lines
3.9 KiB
Plaintext
fn DetachSelectedFaces m =
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(
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ofs = getFaceSelection m -- original selected faces
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ofvs = for f in ofs collect getFace m f -- original face verts
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-- build an old-to-new vertex map
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vmap = #()
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i = 0
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for f in ofvs do
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(
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if vmap[f.x] == undefined do vmap[f.x] = (i += 1)
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if vmap[f.y] == undefined do vmap[f.y] = (i += 1)
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if vmap[f.z] == undefined do vmap[f.z] = (i += 1)
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)
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-- build the new vertex coord array
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nv = #()
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for i in 1 to vmap.count do
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if vmap[i] != undefined do nv[vmap[i]] = getVert m i
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-- build the new face array
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nf = for f in ofvs collect [vmap[f.x], vmap[f.y], vmap[f.z]]
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moo = mesh vertices:nv faces:nf
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addmodifier moo (UVWMap())
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convertToMesh moo
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return moo
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)
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Utility BObjects "Bounding Objects"
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(
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group "Options"
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(
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radiobuttons ObjectType "Bounding Object Type:" labels:#("Box", "Sphere", "Cylinder") columns:1 offset:[-40,0]
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spinner SphereSegs "Segs:" range:[4,200,16] type:#Integer enabled:false fieldwidth:35 offset:[0,-25]
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checkbox dropPivot "Drop Pivot"
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radioButtons DeriveFrom "Bound From:" labels:#("Entire Object", "Face Selection") columns:1 offset:[-20,10]
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checkbox NameAsPhysics "Name as Phys SubModel"
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)
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pickbutton PickObj "Pick Object" width:140
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-- make sure the Segs spinner is disabled when the user has Box type selected
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on ObjectType changed state do
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if state == 1 then SphereSegs.enabled = false else SphereSegs.enabled = true
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on PickObj picked obj do
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(
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sourceObj = obj
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-- check to see if we're using a face selection
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if DeriveFrom.state == 2 do
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(
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sourceObj = (DetachSelectedFaces obj)
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if NameAsPhysics.checked then
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sourceObj.name = Obj.name
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else
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sourceObj.name = (Obj.name + "_SubMesh")
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)
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-- we must have an editable mesh!
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sourcePivot = sourceObj.pivot
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sourceObj.pivot = sourceObj.center
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-- if we're creating a box...
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if ObjectType.state == 1 do
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(
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b = box height:((sourceObj.max).z - (SourceObj.min).z) width:((sourceObj.max).x - (SourceObj.min).x) length:((sourceObj.max).y - (SourceObj.min).y)
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if NameAsPhysics.checked then
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b.name = ("$F" + SourceObj.name)
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else
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b.name = (SourceObj.name + "_Bounding Box")
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b.pivot = b.center
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b.pos = sourceObj.pos
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b.mapcoords = true
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if dropPivot.checked do
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(
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b.pivot = b.center
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drop_amount = ((b.max.z-b.min.z) /2)
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b.pivot = [b.pivot.x, b.pivot.y, (b.pivot.z - drop_amount)]
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)
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)
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-- if we're creating a sphere
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if ObjectType.state == 2 do
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(
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nv = sourceObj.numverts
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SourceCenter = SourceObj.center
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LDistance = distance SourceCenter (getvert SourceObj 1)
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-- find the largest distance from the mesh center to any vertex in the source mesh
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for i = 1 to nv do
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(
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NewDistance = distance SourceCenter (getvert SourceObj i)
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if NewDistance > LDistance do (Ldistance = NewDistance)
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)
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s = sphere radius:Ldistance pos:SourceCenter
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s.name = (SourceObj.name + "_Bounding Sphere")
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s.segs = SphereSegs.value
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s.mapcoords = true
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)
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if ObjectType.state == 3 do
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(
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ObjCenter = sourceObj.center
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nv = sourceObj.numverts
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Verts = for i = 1 to nv collect (getvert sourceObj i)
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-- first we find the vertex distance furthest from the center of the object
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FarVert = 0.0
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VertexDistances = #()
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-- we put all the vertex distances into an array, and find the one furthest from the center of the mesh
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for i = 1 to nv do
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(
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append VertexDistances (distance [ObjCenter.x, ObjCenter.y, Verts[i].z] Verts[i])
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if VertexDistances[i] > FarVert do FarVert = VertexDistances[i]
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)
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c = cylinder()
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c.radius = FarVert
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c.height = (sourceObj.max - sourceObj.min).z
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c.pivot = c.center
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c.sides = SphereSegs.value
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c.mapcoords = true
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c.pos = sourceObj.center
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)
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-- put the pivot point back where it was
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sourceObj.pivot = sourcePivot
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if DeriveFrom.state == 2 do delete sourceObj
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)
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) |