def run(this, points):
points = points.getNext().values
size = len(points)
scales = binomials(size)
out = Group()
for i in range(this.numPoints):
t = i / (this.numPoints - 1.0)
tt = 1 - t
pos = [0, 0, 0]
tan = [0, 0, 0]
for j in range(size):
top = size - j - 1
scale = scales[j] * math.pow(t, j) * math.pow(tt, top)
tanScale = 0
if j > 0:
tanScale += j * math.pow(t, j - 1) * math.pow(tt, top)
if j < size - 1:
tanScale += (size - j - 1) * math.pow(t, j) * math.pow(tt, top - 1)
tanScale *= scales[j]
pos = [pos[0] + scale * points[j][0], pos[1] + scale * points[j][1],
pos[2] + scale * points[j][2]]
tan = [tan[0] + tanScale * points[j][0],
tan[1] + tanScale * points[j][1],
tan[2] + tanScale * points[j][2]]
out.addVector(pos)
out.addTangent(tan)
return out
def run(this, frames):
if this.lastFrame is None:
this.lastFrame = frames.getNext()
thisFrame = frames.getNext()
out = Group()
for i in range(min(len(thisFrame.values), len(this.lastFrame.values))) + [0]:
out.addVector(this.lastFrame.values[i])
out.addNormal(this.lastFrame.values[i])
out.addVector(thisFrame.values[i])
out.addNormal(thisFrame.values[i])
this.lastFrame = thisFrame
return out
def run(this):
out = Group()
out.addVector((0.5, 0.5, 0.5))
out.addVector((-0.5, 0.5, 0.5))
out.addVector((-0.5, -0.5, 0.5))
out.addVector((0.5, -0.5, 0.5))
out.addNormal((0.0, 0.0, 1.0))
out.addVector((0.5, 0.5, -0.5))
out.addVector((0.5, -0.5, -0.5))
out.addVector((-0.5, -0.5, -0.5))
out.addVector((-0.5, 0.5, -0.5))
out.addNormal((0.0, 0.0, -1.0))
out.addVector((-0.5, 0.5, -0.5))
out.addVector((-0.5, -0.5, -0.5))
out.addVector((-0.5, -0.5, 0.5))
out.addVector((-0.5, 0.5, 0.5))
out.addNormal((-1.0, 0.0, 0.0))
out.addVector((0.5, 0.5, -0.5))
out.addVector((0.5, 0.5, 0.5))
out.addVector((0.5, -0.5, 0.5))
out.addVector((0.5, -0.5, -0.5))
out.addNormal((1.0, 0.0, 0.0))
out.addVector((0.5, -0.5, -0.5))
out.addVector((0.5, -0.5, 0.5))
out.addVector((-0.5, -0.5, 0.5))
out.addVector((-0.5, -0.5, -0.5))
out.addNormal((0.0, -1.0, 0.0))
out.addVector((0.5, 0.5, -0.5))
out.addVector((-0.5, 0.5, -0.5))
out.addVector((-0.5, 0.5, 0.5))
out.addVector((0.5, 0.5, 0.5))
out.addNormal((0.0, 1.0, 0.0))
return out