diff options
Diffstat (limited to 'source/blender/gpencil_modifiers/intern/lineart/lineart_chain.c')
-rw-r--r-- | source/blender/gpencil_modifiers/intern/lineart/lineart_chain.c | 38 |
1 files changed, 35 insertions, 3 deletions
diff --git a/source/blender/gpencil_modifiers/intern/lineart/lineart_chain.c b/source/blender/gpencil_modifiers/intern/lineart/lineart_chain.c index 8935bdd1870..57eeeb96541 100644 --- a/source/blender/gpencil_modifiers/intern/lineart/lineart_chain.c +++ b/source/blender/gpencil_modifiers/intern/lineart/lineart_chain.c @@ -926,9 +926,9 @@ void MOD_lineart_chain_clear_picked_flag(LineartCache *lc) void MOD_lineart_smooth_chains(LineartRenderBuffer *rb, float tolerance) { - LISTBASE_FOREACH (LineartEdgeChain *, rlc, &rb->chains) { + LISTBASE_FOREACH (LineartEdgeChain *, ec, &rb->chains) { LineartEdgeChainItem *next_eci; - for (LineartEdgeChainItem *eci = rlc->chain.first; eci; eci = next_eci) { + for (LineartEdgeChainItem *eci = ec->chain.first; eci; eci = next_eci) { next_eci = eci->next; LineartEdgeChainItem *eci2, *eci3, *eci4; @@ -944,7 +944,7 @@ void MOD_lineart_smooth_chains(LineartRenderBuffer *rb, float tolerance) if (dist_to_line_segment_v2(eci3->pos, eci->pos, eci2->pos) < tolerance) { /* And if p4 is on the extension of p1-p2 , we remove p3. */ if ((eci4 = eci3->next) && (dist_to_line_v2(eci4->pos, eci->pos, eci2->pos) < tolerance)) { - BLI_remlink(&rlc->chain, eci3); + BLI_remlink(&ec->chain, eci3); next_eci = eci; } } @@ -1008,3 +1008,35 @@ void MOD_lineart_chain_split_angle(LineartRenderBuffer *rb, float angle_threshol } } } + +void MOD_lineart_chain_offset_towards_camera(LineartRenderBuffer *rb, float dist) +{ + float dir[3]; + float cam[3]; + float view[3]; + float view_clamp[3]; + copy_v3fl_v3db(cam, rb->camera_pos); + copy_v3fl_v3db(view, rb->view_vector); + if (rb->cam_is_persp) { + LISTBASE_FOREACH (LineartEdgeChain *, ec, &rb->chains) { + LISTBASE_FOREACH (LineartEdgeChainItem *, eci, &ec->chain) { + sub_v3_v3v3(dir, cam, eci->gpos); + float orig_len = len_v3(dir); + normalize_v3(dir); + mul_v3_fl(dir, MIN2(dist, orig_len - rb->near_clip)); + add_v3_v3(eci->gpos, dir); + } + } + } + else { + LISTBASE_FOREACH (LineartEdgeChain *, ec, &rb->chains) { + LISTBASE_FOREACH (LineartEdgeChainItem *, eci, &ec->chain) { + sub_v3_v3v3(dir, cam, eci->gpos); + float len_lim = dot_v3v3(view, dir) - rb->near_clip; + normalize_v3_v3(view_clamp, view); + mul_v3_fl(view_clamp, MIN2(dist, len_lim)); + add_v3_v3(eci->gpos, view_clamp); + } + } + } +} |