+ if( sk == 0 )
+ {
+ base_x1 -= 1.0f;
+ }
+
+ v3f p0, h0, p1, h1, p, pd;
+
+ v3_copy( rnj->co, p0 );
+ v3_muladds( rnj->co, rnj->h, 1.0f, h0 );
+ v3_copy( rnk->co, p1 );
+ v3_muladds( rnk->co, rnk->h, -1.0f, h1 );
+
+ float t=0.0f;
+ int it = 0;
+
+ for( int it=0; it<256; it ++ )
+ {
+ float const k_sample_dist = 0.02f;
+ eval_bezier_time( p0,p1,h0,h1, t,p );
+ eval_bezier_time( p0,p1,h0,h1, t+k_sample_dist,pd );
+
+ float mod = k_sample_dist / v3_dist( p, pd );
+
+ v3f v0,up, right;
+ v3_muls( rnj->up, 1.0f-t, up );
+ v3_muladds( up, rnk->up, t, up );
+
+ v3_sub( pd,p,v0 );
+ v3_cross( up, v0, right );
+ v3_normalize( right );
+
+ float cur_x = (1.0f-t)*base_x0 + t*base_x1;
+
+ v3f sc, sa, sb, down;
+ v3_muladds( p, right, cur_x, sc );
+ v3_muladds( sc, up, 1.5f, sc );
+ v3_muladds( sc, right, 0.45f, sa );
+ v3_muladds( sc, right, -0.45f, sb );
+ v3_muls( up, -1.0f, down );