blob: adebf0b7884b24a3bbfe541702e5e9c5a9f2f3e4 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
/* SPDX-License-Identifier: GPL-2.0-or-later */
/** \file
* \ingroup bke
*/
#pragma once
#include "BLI_float3x3.hh"
#include "BLI_math_vec_types.hh"
#include "BLI_span.hh"
struct Depsgraph;
struct Object;
namespace blender::bke::crazyspace {
/**
* Contains information about how points have been deformed during evaluation.
* This allows mapping edits on evaluated data back to original data in some cases.
*/
struct GeometryDeformation {
/**
* Positions of the deformed points. This may also point to the original position if no
* deformation data is available.
*/
Span<float3> positions;
/**
* Matrices that transform point translations on original data into corresponding translations in
* evaluated data. This may be empty if not available.
*/
Span<float3x3> deform_mats;
float3 translation_from_deformed_to_original(const int position_i,
const float3 &translation) const
{
if (this->deform_mats.is_empty()) {
return translation;
}
const float3x3 &deform_mat = this->deform_mats[position_i];
return deform_mat.inverted() * translation;
}
};
/**
* During evaluation of the object, deformation data may have been generated for this object. This
* function either retrieves the deformation data from the evaluated object, or falls back to
* returning the original data.
*/
GeometryDeformation get_evaluated_curves_deformation(const Depsgraph &depsgraph,
const Object &ob_orig);
} // namespace blender::bke::crazyspace
|
