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eulO_to_quat wasn't functional for XZY, YXZ, ZYX rotation orders.

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it also modified the input rotation value which isn't expected for these functions.
This commit is contained in:
Campbell Barton 2010-10-22 03:27:01 +00:00
parent 97784a7186
commit bcac1def4c
1 changed files with 5 additions and 5 deletions
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source/blender/blenlib/intern/math_rotation.c
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@ -1083,9 +1083,9 @@ void eulO_to_quat(float q[4],float e[3], short order)
double ti, tj, th, ci, cj, ch, si, sj, sh, cc, cs, sc, ss;
double a[3];
ti = e[i]/2; tj = e[j]/2; th = e[k]/2;
if (R->parity) e[j] = -e[j];
ti = e[i] * 0.5f;
tj = e[j] * (R->parity ? -0.5f : 0.5f);
th = e[k] * 0.5f;
ci = cos(ti); cj = cos(tj); ch = cos(th);
si = sin(ti); sj = sin(tj); sh = sin(th);
@ -1102,7 +1102,7 @@ void eulO_to_quat(float q[4],float e[3], short order)
q[2] = a[1];
q[3] = a[2];
if (R->parity) q[j] = -q[j];
if (R->parity) q[j+1] *= -1.0f;
}
/* Convert quaternion to Euler angles (in radians). */