1 files changed, 10 insertions, 10 deletions

diff --git a/source/blender/editors/physics/particle_edit.c b/source/blender/editors/physics/particle_edit.c
index 6dc3860fdf2..22295c260e2 100644
--- a/source/blender/editors/physics/particle_edit.c
+++ b/source/blender/editors/physics/particle_edit.c
@@ -3920,8 +3920,8 @@ static void brush_puff(PEData *data, int point_index, float mouse_distance)
       mul_m4_v3(mat, co);
 
       /* Use `kco` as the object space version of world-space `co`,
-       * `ob->imat` is set before calling. */
-      mul_v3_m4v3(kco, data->ob->imat, co);
+       * `ob->world_to_object` is set before calling. */
+      mul_v3_m4v3(kco, data->ob->world_to_object, co);
 
       point_index = BLI_kdtree_3d_find_nearest(edit->emitter_field, kco, NULL);
       if (point_index == -1) {
@@ -4010,8 +4010,8 @@ static void brush_puff(PEData *data, int point_index, float mouse_distance)
             mul_m4_v3(mat, oco);
 
             /* Use `kco` as the object space version of world-space `co`,
-             * `ob->imat` is set before calling. */
-            mul_v3_m4v3(kco, data->ob->imat, oco);
+             * `ob->world_to_object` is set before calling. */
+            mul_v3_m4v3(kco, data->ob->world_to_object, oco);
 
             point_index = BLI_kdtree_3d_find_nearest(edit->emitter_field, kco, NULL);
             if (point_index != -1) {
@@ -4797,7 +4797,7 @@ static void brush_edit_apply(bContext *C, wmOperator *op, PointerRNA *itemptr)
             data.combfac = 1.0f - data.combfac;
           }
 
-          invert_m4_m4(ob->imat, ob->object_to_world);
+          invert_m4_m4(ob->world_to_object, ob->object_to_world);
 
           ED_view3d_win_to_delta(region, xy_delta, bedit->zfac, vec);
           data.dvec = vec;
@@ -4865,7 +4865,7 @@ static void brush_edit_apply(bContext *C, wmOperator *op, PointerRNA *itemptr)
             }
 
             data.invert = (brush->invert ^ flip);
-            invert_m4_m4(ob->imat, ob->object_to_world);
+            invert_m4_m4(ob->world_to_object, ob->object_to_world);
 
             foreach_mouse_hit_point(&data, brush_puff, selected);
           }
@@ -4895,7 +4895,7 @@ static void brush_edit_apply(bContext *C, wmOperator *op, PointerRNA *itemptr)
 
           data.smoothfac = brush->strength;
 
-          invert_m4_m4(ob->imat, ob->object_to_world);
+          invert_m4_m4(ob->world_to_object, ob->object_to_world);
 
           foreach_mouse_hit_key(&data, brush_smooth_get, selected);
 
@@ -5112,7 +5112,7 @@ static bool shape_cut_test_point(PEData *data, ParticleEditSettings *pset, Parti
   userdata.num_hits = 0;
 
   float co_shape[3];
-  mul_v3_m4v3(co_shape, pset->shape_object->imat, key->co);
+  mul_v3_m4v3(co_shape, pset->shape_object->world_to_object, key->co);
 
   BLI_bvhtree_ray_cast_all(
       shape_bvh->tree, co_shape, dir, 0.0f, BVH_RAYCAST_DIST_MAX, point_inside_bvh_cb, &userdata);
@@ -5153,8 +5153,8 @@ static void shape_cut(PEData *data, int pa_index)
       float dir_shape[3];
       float len_shape;
 
-      mul_v3_m4v3(co_curr_shape, pset->shape_object->imat, key->co);
-      mul_v3_m4v3(co_next_shape, pset->shape_object->imat, (key + 1)->co);
+      mul_v3_m4v3(co_curr_shape, pset->shape_object->world_to_object, key->co);
+      mul_v3_m4v3(co_next_shape, pset->shape_object->world_to_object, (key + 1)->co);
 
       sub_v3_v3v3(dir_shape, co_next_shape, co_curr_shape);
       len_shape = normalize_v3(dir_shape);