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Fix llAngleBetween when given a quaternion with all zeros.

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LSL behaves as if it was ZERO_ROTATION instead, so we fix it by creating a function that returns ZERO_ROTATION when given <0,0,0,0>. Use it for llRot2{Fwd,Left,Up} as well.
This commit is contained in:
Sei Lisa 2017-01-23 00:08:24 +01:00
parent 1262934baf
commit dd1b7ed594
1 changed files with 10 additions and 10 deletions
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20
lslopt/lslbasefuncs.py
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@ -352,6 +352,12 @@ def vr2s(v, DP=6):
return u'<'+f2s(v[0],DP)+u', '+f2s(v[1],DP)+u', '+f2s(v[2],DP)+u'>' return u'<'+f2s(v[0],DP)+u', '+f2s(v[1],DP)+u', '+f2s(v[2],DP)+u'>'
return u'<'+f2s(v[0],DP)+u', '+f2s(v[1],DP)+u', '+f2s(v[2],DP)+u', '+f2s(v[3],DP)+u'>' return u'<'+f2s(v[0],DP)+u', '+f2s(v[1],DP)+u', '+f2s(v[2],DP)+u', '+f2s(v[3],DP)+u'>'
def qnz(q):
if all(x == 0. for x in q):
return Quaternion((0.,0.,0.,1.))
return q
def InternalTypecast(val, out, InList, f32): def InternalTypecast(val, out, InList, f32):
"""Type cast val to out, following LSL rules. """Type cast val to out, following LSL rules.
@ -830,7 +836,7 @@ def llAcos(f):
def llAngleBetween(r1, r2): def llAngleBetween(r1, r2):
assert isrotation(r1) assert isrotation(r1)
assert isrotation(r2) assert isrotation(r2)
return llRot2Angle(div(r1, r2, f32=False)) return llRot2Angle(div(qnz(r1), qnz(r2), f32=False))
def llAsin(f): def llAsin(f):
assert isfloat(f) assert isfloat(f)
@ -1592,23 +1598,17 @@ def llRot2Euler(r):
def llRot2Fwd(r): def llRot2Fwd(r):
assert isrotation(r) assert isrotation(r)
v = Vector((1., 0., 0.)) v = Vector((1., 0., 0.))
if r == (0., 0., 0., 0.): return llVecNorm(mul(v, qnz(r), f32=False))
return v
return llVecNorm(mul(v, r, f32=False))
def llRot2Left(r): def llRot2Left(r):
assert isrotation(r) assert isrotation(r)
v = Vector((0., 1., 0.)) v = Vector((0., 1., 0.))
if r == (0., 0., 0., 0.): return llVecNorm(mul(v, qnz(r), f32=False))
return v
return llVecNorm(mul(v, r, f32=False))
def llRot2Up(r): def llRot2Up(r):
assert isrotation(r) assert isrotation(r)
v = Vector((0., 0., 1.)) v = Vector((0., 0., 1.))
if r == (0., 0., 0., 0.): return llVecNorm(mul(v, qnz(r), f32=False))
return v
return llVecNorm(mul(v, r, f32=False))
def llRotBetween(v1, v2): def llRotBetween(v1, v2):
assert isvector(v1) assert isvector(v1)