def __init__(self, xgeo):
self.xgeo = xgeo
self.bits = 0
self.lst = []
self.minIdx = -1
self.maxIdx = -1
self.bbox = xh.BBox()
self.maxWgtNum = 0
self.skinBits = 0
self.skinNodes = []
def __init__(self, xgeo):
self.xgeo = xgeo
self.bbox = xh.BBox()
self.bbox.fromHouBBox(self.xgeo.bbox)
npol = self.xgeo.polNum
self.polIds = [i for i in xrange(npol)]
self.nodeLst = []
self.nodeMap = {}
self.root = BVHNode(self)
self.root.build(0, npol, self.bbox.getMaxAxis(), 0)
def build(self, idx, count, axis, lvl):
self.lvl = lvl
if count == 1:
self.addPols(idx, count)
elif count == 2:
self.left = BVHNode(self.bvh)
self.left.addPols(idx, 1)
self.left.lvl = lvl + 1
self.right = BVHNode(self.bvh)
self.right.addPols(idx + 1, 1)
self.bbox = xh.BBox()
self.bbox.addBox(self.left.bbox)
self.bbox.addBox(self.right.bbox)
self.right.lvl = lvl + 1
else:
self.bbox = xh.BBox()
for i in xrange(count):
self.bbox.addBox(self.bvh.getPolBBox(idx + i))
mid = self.bvh.split(idx, count, self.bbox.getCenter()[axis], axis)
nextAxis = (axis + 1) % 3
self.left = BVHNode(self.bvh)
self.right = BVHNode(self.bvh)
self.left.build(idx, mid, nextAxis, lvl + 1)
self.right.build(idx + mid, count - mid, nextAxis, lvl + 1)
def __init__(self, xgeo, prim):
self.xgeo = xgeo
self.prim = prim
self.pntLst = []
self.mtlId = -1
self.bbox = xh.BBox()
for vtx in prim.vertices():
pnt = vtx.point()
self.pntLst.append(pnt.number())
pos = pnt.position()
self.bbox.addPos(pos)
self.vtxNum = len(self.pntLst)
self.grpNum = 0
self.grpMinIdx = 0
self.grpMaxIdx = 0
self.grpMask = 0
self.grpLst = []
def addPols(self, idx, count):
self.bbox = xh.BBox()
for i in xrange(count):
self.bbox.addBox(self.bvh.getPolBBox(idx + i))
self.polIdLst.append(self.bvh.getPolId(idx + i))