[Closed] Index faces?

May 30, 2011 3:07 pm

I need help, I’m trying to do a simple mesh object, a parametric plane, but i can not make the formula for the index face, down here the script:


plugin simpleObject quad
name:"Plane"
category:"Extra Primitives"
classID:#(0x4927806d, 0x3d9ca278)
(
parameters main rollout:params
(
widthVal type:#float ui:widthVal default:0
lengthVal type:#float ui:lengthVal default:0
widthSeg type:#integer ui:widthSeg default:3
lengthSeg type:#integer ui:lengthSeg default:3
)
rollout params "Parameters"
(
spinner widthVal "Width: " range:[0,10000,5] fieldWidth:50
spinner lengthVal "Length : " range:[0,10000,5] fieldWidth:50
spinner widthSeg "WidthSeg: " range:[1,100,5] fieldWidth:50
spinner lengthSeg "LengthSeg : " range:[1,100,5] fieldWidth:50
)
 
on buildMesh do
(
vert_array = #()
face_array = #()
for i = 1 to lengthSeg+1 do
	(
	 for ii = 1 to widthSeg+1 do 
	 (
	 append vert_array [ (widthVal/widthSeg)*(ii-1), (lengthVal/lengthSeg)*(i-1), 0] 
	 )
	)
for j = 1 to widthSeg do
	(
	 append face_array [j,j+1,j+widthSeg+2]
	)
 
	--face_array = #([1,2,6],[2,3,7],[3,4,8],[1,6,5],[2,7,6],[3,8,7])
 
setMesh mesh verts:vert_array faces:face_array
)
 
tool create
(
on mousePoint click do
case click of (1: coordsys grid (nodeTM.translation = gridPoint);2: print LengthSeg)
on mouseMove click do
case click of (2:(widthVal = gridDist.x; lengthVal = gridDist.y); 3: #stop)
)
)

Sorry for my english.

2 Replies

viro

May 30, 2011 3:07 pm

I did the same exact thing for a class last year. Maybe it will help you solve your problem.

 plugin simpleObject customPlane
name:"Custom Plane" 
classID:#(0x21764401, 0x55a56f86)
category:"Scripted Primitives" 

(
 local faceArray = #()
 local vertArray = #()
 
 rollout params "Parameters"
 (
  spinner planeLength "Length: " type:#float range:[0,1000,0]
  spinner planeWidth "Width: " type:#float range:[0,1000,0]
  spinner lengthSegs "Length Segs: " type:#integer range:[1,10,1] 
  spinner widthSegs "Width Segs: " type:#integer range:[1,10,1] 

 )
 parameters main rollout:params
 (
  pLength type:#float ui:planeLength
  pWidth type:#float ui:planeWidth
  pLengthSegs type:#integer ui:lengthSegs default:1
  pWidthSegs type:#integer ui:widthSegs default:1
 )

 on buildMesh do
 (
  -- Create vertices
  vertArray = #()
  widthStep = pWidth / pWidthSegs 
  lengthStep = pLength / pLengthSegs

  for j = 0 to pLengthSegs do
  ( 
   y = (lengthStep * j)
   for i = 0 to pWidthSegs do
   (
	x = (widthStep * i)
	append vertArray [x, y, 0]
   )
  )

  -- Put vertex numbers in face array
  faceArray = #()
  for j = 0 to (pLengthSegs - 1) do
  ( 
   for i = 1 to pWidthSegs do
   (
	v1 = i + (j * (pWidthSegs + 1))
	v2 = v1 + 1
	v3 = v2 + pWidthSegs + 1
	append faceArray [v1,v2,v3]

	swap v1 v3
	v2 = v1 - 1
	append faceArray [v1,v2,v3] 
   ) 
  )
  
  -- Create the mesh
  setMesh mesh verts:vertArray faces:faceArray
 )

 -- Tells the script what to do with your mouse clicks and drags.
 tool create
 (
  on mousePoint click do case click of
  (
   1: nodeTM.translation = gridPoint
   2: #stop
  ) 
  on mouseMove click do case click of
  (
   2: ( pWidth = gridDist.x; pLength = gridDist.y )
  )
 ) 
)

ektho

May 30, 2011 3:07 pm

Thanks so much Viro, is what I was looking, you saved my brain!:applause: