Differential D10299 Diff 33546 source/blender/editors/transform/transform_constraints.c

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Show First 20 Lines • Show All 554 Lines • ▼ Show 20 Lines	static void constraints_rotation_impl(TransInfo *t,
float *r_angle)		float *r_angle)
{		{
BLI_assert(t->con.mode & CON_APPLY);		BLI_assert(t->con.mode & CON_APPLY);
int mode = t->con.mode & (CON_AXIS0 \| CON_AXIS1 \| CON_AXIS2);		int mode = t->con.mode & (CON_AXIS0 \| CON_AXIS1 \| CON_AXIS2);

switch (mode) {		switch (mode) {
case CON_AXIS0:		case CON_AXIS0:
case (CON_AXIS1 \| CON_AXIS2):		case (CON_AXIS1 \| CON_AXIS2):
negate_v3_v3(r_vec, axismtx[0]);		copy_v3_v3(r_vec, axismtx[0]);
break;		break;
case CON_AXIS1:		case CON_AXIS1:
case (CON_AXIS0 \| CON_AXIS2):		case (CON_AXIS0 \| CON_AXIS2):
negate_v3_v3(r_vec, axismtx[1]);		copy_v3_v3(r_vec, axismtx[1]);
break;		break;
case CON_AXIS2:		case CON_AXIS2:
case (CON_AXIS0 \| CON_AXIS1):		case (CON_AXIS0 \| CON_AXIS1):
negate_v3_v3(r_vec, axismtx[2]);		copy_v3_v3(r_vec, axismtx[2]);
break;		break;
}		}
/* don't flip axis if asked to or if num input */		/* don't flip axis if asked to or if num input */
if (r_angle && (mode & CON_NOFLIP) == 0 && hasNumInput(&t->num) == 0) {		if (r_angle && (mode & CON_NOFLIP) == 0 && hasNumInput(&t->num) == 0) {
float view_vector[3];		float view_vector[3];
view_vector_calc(t, t->center_global, view_vector);		view_vector_calc(t, t->center_global, view_vector);
if (dot_v3v3(r_vec, view_vector) > 0.0f) {		if (dot_v3v3(r_vec, view_vector) > 0.0f) {
r_angle = -(r_angle);		r_angle = -(r_angle);
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