def scramble_colors():
global C, viewer, RGBcolors
for p in range(2):
R = igl.eigen.MatrixXi()
igl.randperm(C[p].maxCoeff() + 1, R)
C[p] = igl.slice(R, igl.eigen.MatrixXi(C[p]))
HSV = igl.eigen.MatrixXd(C[p].rows(), 3)
HSV.setCol(0, 360.0 * C[p].castdouble() / C[p].maxCoeff())
HSVright = igl.eigen.MatrixXd(HSV.rows(), 2)
HSVright.setConstant(1.0)
HSV.setRightCols(2, HSVright)
igl.hsv_to_rgb(HSV, RGBcolors[p])
viewer.data.set_colors(RGBcolors[facetwise])
def scramble_colors():
global C, viewer, RGBcolors
for p in range(2):
R = igl.eigen.MatrixXi()
igl.randperm(C[p].maxCoeff() + 1, R)
C[p] = igl.slice(R, igl.eigen.MatrixXi(C[p]))
HSV = igl.eigen.MatrixXd(C[p].rows(), 3)
HSV.setCol(0, 360.0 * C[p].castdouble() / C[p].maxCoeff())
HSVright = igl.eigen.MatrixXd(HSV.rows(), 2)
HSVright.setConstant(1.0)
HSV.setRightCols(2, HSVright)
igl.hsv_to_rgb(HSV, RGBcolors[p])
viewer.data().set_colors(RGBcolors[facetwise])