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broken noticed VecAngle3 and VecAngle2 comments wernt that helpfull. updated to make more sense.

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Campbell Barton
2006-07-05 04:03:40 +00:00
parent cb8fa00a09
commit f3b9d38b2c
1 changed files with 4 additions and 2 deletions
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6
source/blender/blenlib/intern/arithb.c
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@@ -2305,7 +2305,9 @@ void VecRotToQuat( float *vec, float phi, float *quat)
}
}
/* Return the angle in degrees between vecs 1-2 and 2-3 in degrees */
/* Return the angle in degrees between vecs 1-2 and 2-3 in degrees
If v1 is a shoulder, v2 is the elbow and v3 is the hand,
this would return the angle at the elbow */
float VecAngle3( float *v1, float *v2, float *v3)
{
float vec1[3], vec2[3];
@@ -2317,7 +2319,7 @@ float VecAngle3( float *v1, float *v2, float *v3)
return saacos(vec1[0]*vec2[0] + vec1[1]*vec2[1] + vec1[2]*vec2[2]) * 180.0/M_PI;
}
/* Return the angle in degrees between vecs 1-2 and 2-3 */
/* Return the shortest angle in degrees between the 2 vectors */
float VecAngle2( float *v1, float *v2)
{
float vec1[3], vec2[3];