Tests: Animation, added unittests for FCurve evaluation
This introduces unittests for FCurve evaluation. No functional changes to actual Blender code. Differential Revision: https://developer.blender.org/D6778
This commit is contained in:
parent
d1c0d77e18
commit
9a4844cfdb
210
tests/gtests/blenkernel/BKE_fcurve_test.cc
Normal file
210
tests/gtests/blenkernel/BKE_fcurve_test.cc
Normal file
@ -0,0 +1,210 @@
|
||||
/*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License
|
||||
* as published by the Free Software Foundation; either version 2
|
||||
* of the License, or (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software Foundation,
|
||||
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
||||
*
|
||||
* The Original Code is Copyright (C) 2020 by Blender Foundation.
|
||||
*/
|
||||
#include "testing/testing.h"
|
||||
#include "MEM_guardedalloc.h"
|
||||
|
||||
extern "C" {
|
||||
#include "BKE_fcurve.h"
|
||||
|
||||
#include "ED_keyframing.h"
|
||||
|
||||
#include "DNA_anim_types.h"
|
||||
}
|
||||
|
||||
// Epsilon for floating point comparisons.
|
||||
static const float EPSILON = 1e-7f;
|
||||
|
||||
TEST(evaluate_fcurve, EmptyFCurve)
|
||||
{
|
||||
FCurve *fcu = static_cast<FCurve *>(MEM_callocN(sizeof(FCurve), "FCurve"));
|
||||
EXPECT_EQ(evaluate_fcurve(fcu, 47.0f), 0.0f);
|
||||
free_fcurve(fcu);
|
||||
}
|
||||
|
||||
TEST(evaluate_fcurve, OnKeys)
|
||||
{
|
||||
FCurve *fcu = static_cast<FCurve *>(MEM_callocN(sizeof(FCurve), "FCurve"));
|
||||
|
||||
insert_vert_fcurve(fcu, 1.0f, 7.0f, BEZT_KEYTYPE_KEYFRAME, INSERTKEY_NO_USERPREF);
|
||||
insert_vert_fcurve(fcu, 2.0f, 13.0f, BEZT_KEYTYPE_KEYFRAME, INSERTKEY_NO_USERPREF);
|
||||
insert_vert_fcurve(fcu, 3.0f, 19.0f, BEZT_KEYTYPE_KEYFRAME, INSERTKEY_NO_USERPREF);
|
||||
|
||||
EXPECT_NEAR(evaluate_fcurve(fcu, 1.0f), 7.0f, EPSILON); // hits 'on or before first' function
|
||||
EXPECT_NEAR(evaluate_fcurve(fcu, 2.0f), 13.0f, EPSILON); // hits 'between' function
|
||||
EXPECT_NEAR(evaluate_fcurve(fcu, 3.0f), 19.0f, EPSILON); // hits 'on or after last' function
|
||||
|
||||
/* Also test within a specific time epsilon of the keys, as this was an issue in T39207.
|
||||
* This epsilon is just slightly smaller than the epsilon given to binarysearch_bezt_index_ex()
|
||||
* in fcurve_eval_between_keyframes(), so it should hit the "exact" code path. */
|
||||
float time_epsilon = 0.00008f;
|
||||
EXPECT_NEAR(evaluate_fcurve(fcu, 2.0f - time_epsilon), 13.0f, EPSILON);
|
||||
EXPECT_NEAR(evaluate_fcurve(fcu, 2.0f + time_epsilon), 13.0f, EPSILON);
|
||||
|
||||
free_fcurve(fcu);
|
||||
}
|
||||
|
||||
TEST(evaluate_fcurve, InterpolationConstant)
|
||||
{
|
||||
FCurve *fcu = static_cast<FCurve *>(MEM_callocN(sizeof(FCurve), "FCurve"));
|
||||
|
||||
EXPECT_EQ(insert_vert_fcurve(fcu, 1.0f, 7.0f, BEZT_KEYTYPE_KEYFRAME, INSERTKEY_NO_USERPREF), 0);
|
||||
EXPECT_EQ(insert_vert_fcurve(fcu, 2.0f, 13.0f, BEZT_KEYTYPE_KEYFRAME, INSERTKEY_NO_USERPREF), 1);
|
||||
|
||||
fcu->bezt[0].ipo = BEZT_IPO_CONST;
|
||||
fcu->bezt[1].ipo = BEZT_IPO_CONST;
|
||||
|
||||
EXPECT_NEAR(evaluate_fcurve(fcu, 1.25f), 7.0f, EPSILON);
|
||||
EXPECT_NEAR(evaluate_fcurve(fcu, 1.50f), 7.0f, EPSILON);
|
||||
|
||||
free_fcurve(fcu);
|
||||
}
|
||||
|
||||
TEST(evaluate_fcurve, InterpolationLinear)
|
||||
{
|
||||
FCurve *fcu = static_cast<FCurve *>(MEM_callocN(sizeof(FCurve), "FCurve"));
|
||||
|
||||
EXPECT_EQ(insert_vert_fcurve(fcu, 1.0f, 7.0f, BEZT_KEYTYPE_KEYFRAME, INSERTKEY_NO_USERPREF), 0);
|
||||
EXPECT_EQ(insert_vert_fcurve(fcu, 2.0f, 13.0f, BEZT_KEYTYPE_KEYFRAME, INSERTKEY_NO_USERPREF), 1);
|
||||
|
||||
fcu->bezt[0].ipo = BEZT_IPO_LIN;
|
||||
fcu->bezt[1].ipo = BEZT_IPO_LIN;
|
||||
|
||||
EXPECT_NEAR(evaluate_fcurve(fcu, 1.25f), 8.5f, EPSILON);
|
||||
EXPECT_NEAR(evaluate_fcurve(fcu, 1.50f), 10.0f, EPSILON);
|
||||
EXPECT_NEAR(evaluate_fcurve(fcu, 1.75f), 11.5f, EPSILON);
|
||||
|
||||
free_fcurve(fcu);
|
||||
}
|
||||
|
||||
TEST(evaluate_fcurve, InterpolationBezier)
|
||||
{
|
||||
FCurve *fcu = static_cast<FCurve *>(MEM_callocN(sizeof(FCurve), "FCurve"));
|
||||
|
||||
EXPECT_EQ(insert_vert_fcurve(fcu, 1.0f, 7.0f, BEZT_KEYTYPE_KEYFRAME, INSERTKEY_NO_USERPREF), 0);
|
||||
EXPECT_EQ(insert_vert_fcurve(fcu, 2.0f, 13.0f, BEZT_KEYTYPE_KEYFRAME, INSERTKEY_NO_USERPREF), 1);
|
||||
|
||||
EXPECT_EQ(fcu->bezt[0].ipo, BEZT_IPO_BEZ);
|
||||
EXPECT_EQ(fcu->bezt[1].ipo, BEZT_IPO_BEZ);
|
||||
|
||||
// Test with default handles.
|
||||
EXPECT_NEAR(evaluate_fcurve(fcu, 1.25f), 7.8297067f, EPSILON);
|
||||
EXPECT_NEAR(evaluate_fcurve(fcu, 1.50f), 10.0f, EPSILON);
|
||||
EXPECT_NEAR(evaluate_fcurve(fcu, 1.75f), 12.170294f, EPSILON);
|
||||
|
||||
// Test with modified handles.
|
||||
fcu->bezt[0].vec[0][0] = 0.71855f; // left handle X
|
||||
fcu->bezt[0].vec[0][1] = 6.22482f; // left handle Y
|
||||
fcu->bezt[0].vec[2][0] = 1.35148f; // right handle X
|
||||
fcu->bezt[0].vec[2][1] = 7.96806f; // right handle Y
|
||||
|
||||
fcu->bezt[1].vec[0][0] = 1.66667f; // left handle X
|
||||
fcu->bezt[1].vec[0][1] = 10.4136f; // left handle Y
|
||||
fcu->bezt[1].vec[2][0] = 2.33333f; // right handle X
|
||||
fcu->bezt[1].vec[2][1] = 15.5864f; // right handle Y
|
||||
|
||||
EXPECT_NEAR(evaluate_fcurve(fcu, 1.25f), 7.945497f, EPSILON);
|
||||
EXPECT_NEAR(evaluate_fcurve(fcu, 1.50f), 9.3495407f, EPSILON);
|
||||
EXPECT_NEAR(evaluate_fcurve(fcu, 1.75f), 11.088551f, EPSILON);
|
||||
|
||||
free_fcurve(fcu);
|
||||
}
|
||||
|
||||
TEST(evaluate_fcurve, InterpolationBounce)
|
||||
{
|
||||
FCurve *fcu = static_cast<FCurve *>(MEM_callocN(sizeof(FCurve), "FCurve"));
|
||||
|
||||
EXPECT_EQ(insert_vert_fcurve(fcu, 1.0f, 7.0f, BEZT_KEYTYPE_KEYFRAME, INSERTKEY_NO_USERPREF), 0);
|
||||
EXPECT_EQ(insert_vert_fcurve(fcu, 2.0f, 13.0f, BEZT_KEYTYPE_KEYFRAME, INSERTKEY_NO_USERPREF), 1);
|
||||
|
||||
fcu->bezt[0].ipo = BEZT_IPO_BOUNCE;
|
||||
fcu->bezt[1].ipo = BEZT_IPO_BOUNCE;
|
||||
|
||||
fcu->bezt[0].easing = BEZT_IPO_EASE_IN;
|
||||
fcu->bezt[1].easing = BEZT_IPO_EASE_AUTO;
|
||||
|
||||
EXPECT_NEAR(evaluate_fcurve(fcu, 1.4f), 8.3649998f, EPSILON);
|
||||
EXPECT_NEAR(evaluate_fcurve(fcu, 1.5f), 8.4062500f, EPSILON);
|
||||
EXPECT_NEAR(evaluate_fcurve(fcu, 1.8f), 11.184999f, EPSILON);
|
||||
|
||||
free_fcurve(fcu);
|
||||
}
|
||||
|
||||
TEST(evaluate_fcurve, ExtrapolationLinearKeys)
|
||||
{
|
||||
FCurve *fcu = static_cast<FCurve *>(MEM_callocN(sizeof(FCurve), "FCurve"));
|
||||
|
||||
EXPECT_EQ(insert_vert_fcurve(fcu, 1.0f, 7.0f, BEZT_KEYTYPE_KEYFRAME, INSERTKEY_NO_USERPREF), 0);
|
||||
EXPECT_EQ(insert_vert_fcurve(fcu, 2.0f, 13.0f, BEZT_KEYTYPE_KEYFRAME, INSERTKEY_NO_USERPREF), 1);
|
||||
fcu->bezt[0].ipo = BEZT_IPO_LIN;
|
||||
fcu->bezt[1].ipo = BEZT_IPO_LIN;
|
||||
|
||||
fcu->extend = FCURVE_EXTRAPOLATE_LINEAR;
|
||||
// Before first keyframe.
|
||||
EXPECT_NEAR(evaluate_fcurve(fcu, 0.75f), 5.5f, EPSILON);
|
||||
EXPECT_NEAR(evaluate_fcurve(fcu, 0.50f), 4.0f, EPSILON);
|
||||
EXPECT_NEAR(evaluate_fcurve(fcu, -1.50f), -8.0f, EPSILON);
|
||||
// After last keyframe.
|
||||
EXPECT_NEAR(evaluate_fcurve(fcu, 2.75f), 17.5f, EPSILON);
|
||||
EXPECT_NEAR(evaluate_fcurve(fcu, 3.50f), 22.0f, EPSILON);
|
||||
|
||||
fcu->extend = FCURVE_EXTRAPOLATE_CONSTANT;
|
||||
// Before first keyframe.
|
||||
EXPECT_NEAR(evaluate_fcurve(fcu, 0.75f), 7.0f, EPSILON);
|
||||
EXPECT_NEAR(evaluate_fcurve(fcu, -1.50f), 7.0f, EPSILON);
|
||||
// After last keyframe.
|
||||
EXPECT_NEAR(evaluate_fcurve(fcu, 2.75f), 13.0f, EPSILON);
|
||||
EXPECT_NEAR(evaluate_fcurve(fcu, 3.50f), 13.0f, EPSILON);
|
||||
|
||||
free_fcurve(fcu);
|
||||
}
|
||||
|
||||
TEST(evaluate_fcurve, ExtrapolationBezierKeys)
|
||||
{
|
||||
FCurve *fcu = static_cast<FCurve *>(MEM_callocN(sizeof(FCurve), "FCurve"));
|
||||
|
||||
EXPECT_EQ(insert_vert_fcurve(fcu, 1.0f, 7.0f, BEZT_KEYTYPE_KEYFRAME, INSERTKEY_NO_USERPREF), 0);
|
||||
EXPECT_EQ(insert_vert_fcurve(fcu, 2.0f, 13.0f, BEZT_KEYTYPE_KEYFRAME, INSERTKEY_NO_USERPREF), 1);
|
||||
|
||||
fcu->bezt[0].vec[0][0] = 0.71855f; // left handle X
|
||||
fcu->bezt[0].vec[0][1] = 6.22482f; // left handle Y
|
||||
fcu->bezt[0].vec[2][0] = 1.35148f; // right handle X
|
||||
fcu->bezt[0].vec[2][1] = 7.96806f; // right handle Y
|
||||
|
||||
fcu->bezt[1].vec[0][0] = 1.66667f; // left handle X
|
||||
fcu->bezt[1].vec[0][1] = 10.4136f; // left handle Y
|
||||
fcu->bezt[1].vec[2][0] = 2.33333f; // right handle X
|
||||
fcu->bezt[1].vec[2][1] = 15.5864f; // right handle Y
|
||||
|
||||
fcu->extend = FCURVE_EXTRAPOLATE_LINEAR;
|
||||
// Before first keyframe.
|
||||
EXPECT_NEAR(evaluate_fcurve(fcu, 0.75f), 6.3114409f, EPSILON);
|
||||
EXPECT_NEAR(evaluate_fcurve(fcu, -0.50f), 2.8686447f, EPSILON);
|
||||
// After last keyframe.
|
||||
EXPECT_NEAR(evaluate_fcurve(fcu, 2.75f), 18.81946f, EPSILON);
|
||||
EXPECT_NEAR(evaluate_fcurve(fcu, 3.50f), 24.63892f, EPSILON);
|
||||
|
||||
fcu->extend = FCURVE_EXTRAPOLATE_CONSTANT;
|
||||
// Before first keyframe.
|
||||
EXPECT_NEAR(evaluate_fcurve(fcu, 0.75f), 7.0f, EPSILON);
|
||||
EXPECT_NEAR(evaluate_fcurve(fcu, -1.50f), 7.0f, EPSILON);
|
||||
// After last keyframe.
|
||||
EXPECT_NEAR(evaluate_fcurve(fcu, 2.75f), 13.0f, EPSILON);
|
||||
EXPECT_NEAR(evaluate_fcurve(fcu, 3.50f), 13.0f, EPSILON);
|
||||
|
||||
free_fcurve(fcu);
|
||||
}
|
@ -23,7 +23,9 @@ set(INC
|
||||
..
|
||||
../../../source/blender/blenkernel
|
||||
../../../source/blender/blenlib
|
||||
../../../source/blender/editors/include
|
||||
../../../source/blender/makesdna
|
||||
../../../source/blender/makesrna
|
||||
../../../intern/guardedalloc
|
||||
../../../intern/atomic
|
||||
)
|
||||
@ -39,3 +41,4 @@ if(WITH_BUILDINFO)
|
||||
endif()
|
||||
|
||||
BLENDER_TEST(BKE_armature "bf_blenloader;bf_blenkernel;bf_blenlib;${BUILDINFO}")
|
||||
BLENDER_TEST(BKE_fcurve "bf_blenloader;bf_blenkernel;bf_editor_animation")
|
||||
|
Loading…
Reference in New Issue
Block a user