- if( ray_world( pos, (v3f){0.0f,-1.0f,0.0f}, &hit ))
- {
- if( hit.normal[1] > 0.8f && !ray_hit_is_ramp(&hit) &&
- hit.pos[1] > water_height()+10.0f )
- {
- v4f qsurface, qrandom;
- v3f axis;
-
- v3_cross( (v3f){0.0f,1.0f,0.0f}, hit.normal, axis );
-
- float angle = v3_dot(hit.normal,(v3f){0.0f,1.0f,0.0f});
- q_axis_angle( qsurface, axis, angle );
- q_axis_angle( qrandom, (v3f){0.0f,1.0f,0.0f}, vg_randf()*VG_TAUf );
- q_mul( qsurface, qrandom, qsurface );
- q_m3x3( qsurface, transform );
-
- v3_copy( hit.pos, transform[3] );
-
- if( vg_randf() < 0.0006f )
- {
- m3x3_identity( transform );
- scene_add_foliage( &world.foliage, mfoliage, sm_tree, transform);
- }
- else
- scene_add_foliage( &world.foliage, mfoliage, sm_blob, transform);
- }