Satoru Yonekura yone80
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| numsegments = Math.max(2, Math.floor(effect("Segments")("Slider"))); | |
| totallength = Math.max(0.001, effect("Line Length")("Slider")); | |
| seglength = totallength / numsegments; | |
| sepdist = Math.max(0.001, effect("Seperation Distance")("Slider") * 0.5) / (Math.PI * 2); | |
| roll = clamp(effect("Roll")("Slider"), 0, 1); | |
| pos = [0, 0]; | |
| cv = []; | |
| firsttheta = Math.sqrt(numsegments * seglength / sepdist); |
yone80
/ shapeonmotionpath
Last active
November 8, 2017 00:19
Shape on motion path - Aftereffects Expression
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| seg = Math.floor( Math.max(effect("Segments")("Slider"), 2) ); | |
| starttime = effect("Start Time")("Slider"); | |
| endtime = effect("End Time")("Slider"); | |
| smooth = effect("Smooth")("Checkbox") > 0; | |
| targetlayer = thisComp.layer("Tip"); | |
| timemin = Math.min(starttime, endtime); | |
| timemax = Math.max(starttime, endtime); | |
| cv = []; |
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| seg = Math.floor( Math.max(effect("Segments")("Slider"), 2) ); | |
| radius = effect("Radius")("Slider"); | |
| angle_param = clamp(effect("Angle Control")("Angle"), -360, 360); | |
| close = effect("Close")("Checkbox") > 0; | |
| angle = degreesToRadians(angle_param) * 1 / seg; | |
| tangent = [0, 4 / 3 * Math.tan(angle/4) ] * radius; | |
| firsttangent = [0,0]; | |
| numiterations = seg + 1; |
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| dist = effect("Offset")("Slider"); // Position on path. | |
| w = effect("Width")("Slider"); // Normal direction width. | |
| restpath = thisProperty; | |
| targetpath = thisComp.layer("Path").content("Shape 1").content("Path 1").path; // Target Path | |
| refpt = restpath.points(); | |
| refintan = restpath.inTangents(); | |
| refouttan = restpath.outTangents(); |
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| string edgegrp = chs('edge_group'); | |
| string newgrpname = chs('new_polyline_group_name'); | |
| int edges[] = expandedgegroup(0, edgegrp); | |
| int prevpt = -1; | |
| int curprim = -1; | |
| for(int i=0; i<len(edges); i+=2) | |
| { |
yone80
/ Viewport_Selection_to_Group.py
Created
April 18, 2017 18:17
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| import soptoolutils | |
| selection = None | |
| if type(kwargs['pane']) is hou.SceneViewer: | |
| viewer = kwargs['pane'] | |
| selection = viewer.selectGeometry(geometry_types=(hou.geometryType.Primitives, hou.geometryType.Edges,)) | |
| n = soptoolutils.genericTool(kwargs, '$HDA_NAME') |
yone80
/ linearfalloff
Created
May 26, 2016 08:26
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| vector origin = chv('t'); | |
| vector dir = normalize( chv('dir') ); | |
| vector v = @P - origin; | |
| float dist = dot(v, dir); | |
| float range = ch('range'); | |
| f@falloff = fit(dist, range, 0, 0, 1); |
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| def checkConnectivity(e1, e2): | |
| chk = e1.points()[0].number == e2.points()[0].number | |
| chk = chk or e1.points()[0].number == e2.points()[1].number | |
| if chk: return 1 | |
| chk = e1.points()[1].number == e2.points()[0].number | |
| chk = chk or e1.points()[1].number == e2.points()[1].number | |
| if chk: return 2 | |
| return 0 | |
| def isNext(e1, e2): |
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| node = hou.pwd() | |
| geo = node.geometry() | |
| geo.deletePrims(geo.prims(), True) | |
| pt_delete = set(geo.points()) | |
| ptns = node.parm('group').eval().split() | |
| for ptn in ptns: | |
| edges = geo.globEdges(ptn) |
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