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fix a NaN issue in forward_distort()

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This commit is contained in:
David Rose 2013-08-27 23:57:21 +00:00
parent 1b129d905d
commit 930848539c
1 changed files with 2 additions and 1 deletions
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3
panda/src/pnmimage/pfmFile.cxx
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@ -731,7 +731,7 @@ calc_bilinear_point(LPoint3f &result, PN_float32 x, PN_float32 y) const {
PN_float32 frac_x = x - min_x;
PN_float32 frac_y = y - min_y;
LPoint3f p00, p01, p10, p11;
LPoint3f p00(LPoint3f::zero()), p01(LPoint3f::zero()), p10(LPoint3f::zero()), p11(LPoint3f::zero());
PN_float32 w00 = 0.0, w01 = 0.0, w10 = 0.0, w11 = 0.0;
if (has_point(min_x, min_y)) {
@ -1330,6 +1330,7 @@ forward_distort(const PfmFile &dist, PN_float32 scale_factor) {
if (!source_p->calc_bilinear_point(p, uv[0], 1.0 - uv[1])) {
continue;
}
nassertv(!p.is_nan());
result.set_point(xi, working_y_size - 1 - yi, p);
}
}