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Object Mode: Make Flat object selectable in ortho view ... 

... when wireframe is enabled
This commit is contained in:
Clément Foucault 2018-09-14 18:31:27 +02:00
parent b62d140be9
commit 1f1d5e1dd2
Notes: blender-bot 2023-02-14 07:39:46 +01:00 
Referenced by issue #65049, rotate/pan the viewport makes blender crash (in very specific case)
Referenced by issue #55242, Selecting infinitely thin objects that are perpendicular to the view is not possible (without wireframe)
1 changed files with 18 additions and 0 deletions
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18
source/blender/draw/engines/basic/basic_engine.c
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@ -137,6 +137,24 @@ static void basic_cache_populate(void *vedata, Object *ob)
}
}
/* Make flat object selectable in ortho view if wireframe is enabled. */
if ((draw_ctx->v3d->overlay.flag & V3D_OVERLAY_WIREFRAMES) ||
(ob->dtx & OB_DRAWWIRE) ||
(ob->dt == OB_WIRE))
{
int flat_axis = 0;
bool is_flat_object_viewed_from_side = (draw_ctx->rv3d->persp == RV3D_ORTHO) &&
DRW_object_is_flat(ob, &flat_axis) &&
DRW_object_axis_orthogonal_to_view(ob, flat_axis);
if (is_flat_object_viewed_from_side) {
/* Avoid loosing flat objects when in ortho views (see T56549) */
struct GPUBatch *geom = DRW_cache_object_wire_outline_get(ob);
DRW_shgroup_call_object_add(stl->g_data->depth_shgrp, geom, ob);
return;
}
}
struct GPUBatch *geom = DRW_cache_object_surface_get(ob);
if (geom) {
const bool do_cull = (draw_ctx->v3d && (draw_ctx->v3d->flag2 & V3D_BACKFACE_CULLING));