This helped me thank you
On Saturday, April 20, 2024 at 8:27:53 PM UTC+2 Marcelo wrote:
> Follicle will be the easiest option I think, but you need non-overlapping
> UVs
> Other than that, you could use a closestPointOnMesh, but you'll have to
> compose the matrix using cross products
>
> Here's a an example of how you could implement the second option:
>
> def cluster_on_vtx(vtx_ls=None, cleanup=True):
> if not vtx_ls:
> vtx_ls = cmds.ls(sl=True, fl=True)
>
> for vtx in vtx_ls:
> # Make sure it's a vertex
> if not cmds.filterExpand(vtx, selectionMask=31):
> continue
>
> vtx_i = vtx.split('[')[-1].split(']')[0]
> mesh = cmds.polyListComponentConversion(vtx)[0]
> trs = cmds.listRelatives(mesh, parent=True)[0]
> pos = cmds.pointPosition(vtx)
> pos = [i - j for i, j in zip(pos, cmds.xform(trs, q=True, t=True,
> ws=True))]
>
> # Create temp closestPointOnMatrix
> tmp_cpom = cmds.createNode('closestPointOnMesh')
> cmds.setAttr(f'{tmp_cpom}.inPosition', *pos)
>
> # Create temp vectorProducts
> tmp_vp_x = cmds.createNode('vectorProduct')
> cmds.setAttr(f'{tmp_vp_x}.operation', 2)
> cmds.setAttr(f'{tmp_vp_x}.normalizeOutput', 1)
> tmp_vp_y = cmds.duplicate(tmp_vp_x)[0]
>
> # Create temp fourByFourMatrix
> tmp_fbf = cmds.createNode('fourByFourMatrix')
>
> # Connect Mesh
> cmds.connectAttr(f'{mesh}.outMesh', f'{tmp_cpom}.inMesh')
>
> # Connect normal output to fbf's Z vector
> for index, axis in enumerate('XYZ'):
> cmds.connectAttr(f'{tmp_cpom}.normal{axis}',
> f'{tmp_fbf}.in2{index}')
>
> # Get cross product of world Y against normal and connect to fbf's
> X vector
> cmds.setAttr(f'{tmp_vp_x}.input1Y', 1)
> for index, axis in enumerate('XYZ'):
> cmds.connectAttr(f'{tmp_cpom}.normal{axis}',
> f'{tmp_vp_x}.input2{axis}')
> cmds.connectAttr(f'{tmp_vp_x}.output{axis}',
> f'{tmp_fbf}.in0{index}')
>
> # Get cross product of X vector and normal and connect to fbf's Y
> vector
> for index, axis in enumerate('XYZ'):
> cmds.connectAttr(f'{tmp_cpom}.normal{axis}',
> f'{tmp_vp_y}.input1{axis}')
> cmds.connectAttr(f'{tmp_vp_x}.output{axis}',
> f'{tmp_vp_y}.input2{axis}')
> cmds.connectAttr(f'{tmp_vp_y}.output{axis}',
> f'{tmp_fbf}.in1{index}')
>
> # Connect potision to fbf
> for index, axis in enumerate('XYZ'):
> cmds.connectAttr(f'{tmp_cpom}.position{axis}',
> f'{tmp_fbf}.in3{index}')
>
>
> # Create multMatrix to compensate for trs's position
> tmp_mm = cmds.createNode('multMatrix')
> cmds.connectAttr(f'{tmp_fbf}.output', f'{tmp_mm}.matrixIn[0]')
> cmds.connectAttr(f'{trs}.worldMatrix[0]', f'{tmp_mm}.matrixIn[1]')
>
> # Create transform to drive the cluster
> clus_trs_zero = cmds.createNode('transform',
> name=f'{mesh}_{vtx_i}_clus_zero')
> clus_trs = cmds.createNode('transform',
> name=f'{mesh}_{vtx_i}_clus')
> cmds.parent(clus_trs, clus_trs_zero)
> cmds.xform(clus_trs_zero, m=cmds.getAttr(f'{tmp_mm}.matrixSum'),
> ws=True)
> clus = cmds.deformer(trs, type='cluster')[0]
> cmds.connectAttr(f'{clus_trs}.worldMatrix[0]', f'{clus}.matrix')
> cmds.setAttr(f'{clus}.bindPreMatrix',
> cmds.getAttr(f'{clus_trs}.parentInverseMatrix[0]'), type='matrix')
>
> if cleanup:
> to_del = [v for k, v in locals().items() if
> k.startswith('tmp_')]
> cmds.delete(reversed(to_del))
>
>
>
> On Thursday 18 April 2024 at 02:10:10 UTC-7 Abdelhalim abulmagd wrote:
>
>> how can i make cluster with the same orientation of the component
>> [image: Screenshot 2024-04-18 110437.png]
>
>
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