closest point corner cases issues (also having warning: divided by zero

[tangyuq]

trimesh/trimesh/triangles.py

Lines 644 to 650 in 634c608

	# check if P in edge region of AB, if so return projection of P onto A
	vc = (d1 * d4) - (d3 * d2)
	is_ab = (vc < tol.zero) & (d1 > -tol.zero) & (d3 < tol.zero) & remain
	if any(is_ab):
	v = (d1[is_ab] / (d1[is_ab] - d3[is_ab])).reshape((-1, 1))
	result[is_ab] = a[is_ab] + (v * ab[is_ab])
	remain[is_ab] = False

in line 648: if (d1[is_ab] - d3[is_ab]) is zero, then the result will be incorrect.

[josieisjose]

i have the same question.did you solve it?