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authorsanine <sanine.not@pm.me>2022-10-01 20:59:36 -0500
committersanine <sanine.not@pm.me>2022-10-01 20:59:36 -0500
commitc5fc66ee58f2c60f2d226868bb1cf5b91badaf53 (patch)
tree277dd280daf10bf77013236b8edfa5f88708c7e0 /libs/ode-0.16.1/tests/joints/ball.cpp
parent1cf9cc3408af7008451f9133fb95af66a9697d15 (diff)
add ode
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+/*************************************************************************
+ * *
+ * Open Dynamics Engine, Copyright (C) 2001,2002 Russell L. Smith. *
+ * All rights reserved. Email: russ@q12.org Web: www.q12.org *
+ * *
+ * This library is free software; you can redistribute it and/or *
+ * modify it under the terms of EITHER: *
+ * (1) The GNU Lesser General Public License as published by the Free *
+ * Software Foundation; either version 2.1 of the License, or (at *
+ * your option) any later version. The text of the GNU Lesser *
+ * General Public License is included with this library in the *
+ * file LICENSE.TXT. *
+ * (2) The BSD-style license that is included with this library in *
+ * the file LICENSE-BSD.TXT. *
+ * *
+ * This library 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 files *
+ * LICENSE.TXT and LICENSE-BSD.TXT for more details. *
+ * *
+ *************************************************************************/
+//234567890123456789012345678901234567890123456789012345678901234567890123456789
+// 1 2 3 4 5 6 7
+
+////////////////////////////////////////////////////////////////////////////////
+// This file create unit test for some of the functions found in:
+// ode/src/joinst/ball.cpp
+//
+//
+////////////////////////////////////////////////////////////////////////////////
+
+#include <UnitTest++.h>
+#include <ode/ode.h>
+
+#include "../../ode/src/config.h"
+#include "../../ode/src/joints/ball.h"
+
+
+using namespace std;
+
+SUITE (TestdxJointBall)
+{
+ // The 2 bodies are positionned at (-1, -2, -3), and (11, 22, 33)
+ // The bodis have rotation of 27deg around some axis.
+ // The joint is a Ball Joint
+ // Axis is along the X axis
+ // Anchor at (0, 0, 0)
+ struct dxJointBall_Fixture_B1_and_B2_At_Zero_Axis_Along_X {
+ dxJointBall_Fixture_B1_and_B2_At_Zero_Axis_Along_X()
+ {
+ wId = dWorldCreate();
+
+ for (int j=0; j<2; ++j) {
+ bId[j][0] = dBodyCreate (wId);
+ dBodySetPosition (bId[j][0], -1, -2, -3);
+
+ bId[j][1] = dBodyCreate (wId);
+ dBodySetPosition (bId[j][1], 11, 22, 33);
+
+
+ dMatrix3 R;
+ dVector3 axis; // Random axis
+
+ axis[0] = REAL(0.53);
+ axis[1] = -REAL(0.71);
+ axis[2] = REAL(0.43);
+ dNormalize3(axis);
+ dRFromAxisAndAngle (R, axis[0], axis[1], axis[2],
+ REAL(0.47123)); // 27deg
+ dBodySetRotation (bId[j][0], R);
+
+
+ axis[0] = REAL(1.2);
+ axis[1] = REAL(0.87);
+ axis[2] = -REAL(0.33);
+ dNormalize3(axis);
+ dRFromAxisAndAngle (R, axis[0], axis[1], axis[2],
+ REAL(0.47123)); // 27deg
+ dBodySetRotation (bId[j][1], R);
+
+ jId[j] = dJointCreateBall (wId, 0);
+ dJointAttach (jId[j], bId[j][0], bId[j][1]);
+ }
+ }
+
+ ~dxJointBall_Fixture_B1_and_B2_At_Zero_Axis_Along_X()
+ {
+ dWorldDestroy (wId);
+ }
+
+ dWorldID wId;
+
+ dBodyID bId[2][2];
+
+
+ dJointID jId[2];
+ };
+
+ // Rotate 2nd body 90deg around X then back to original position
+ //
+ // ^ ^ ^
+ // | | => | <---
+ // | | |
+ // B1 B2 B1 B2
+ //
+ // Start with a Delta of 90deg
+ // ^ ^ ^
+ // | <--- => | |
+ // | | |
+ // B1 B2 B1 B2
+ TEST_FIXTURE (dxJointBall_Fixture_B1_and_B2_At_Zero_Axis_Along_X,
+ test_dJointSetBallAxisOffset_B2_90deg) {
+
+ dVector3 anchor;
+ dJointGetBallAnchor(jId[1], anchor);
+ dJointSetBallAnchor(jId[1], anchor[0], anchor[1], anchor[2]);
+
+
+ for (int b=0; b<2; ++b) {
+ // Compare body b of the first joint with its equivalent on the
+ // second joint
+ const dReal *qA = dBodyGetQuaternion(bId[0][b]);
+ const dReal *qB = dBodyGetQuaternion(bId[1][b]);
+ CHECK_CLOSE (qA[0], qB[0], 1e-4);
+ CHECK_CLOSE (qA[1], qB[1], 1e-4);
+ CHECK_CLOSE (qA[2], qB[2], 1e-4);
+ CHECK_CLOSE (qA[3], qB[3], 1e-4);
+ }
+
+ dWorldStep (wId,0.5);
+ dWorldStep (wId,0.5);
+ dWorldStep (wId,0.5);
+ dWorldStep (wId,0.5);
+
+ for (int b=0; b<2; ++b) {
+ // Compare body b of the first joint with its equivalent on the
+ // second joint
+ const dReal *qA = dBodyGetQuaternion(bId[0][b]);
+ const dReal *qB = dBodyGetQuaternion(bId[1][b]);
+ CHECK_CLOSE (qA[0], qB[0], 1e-4);
+ CHECK_CLOSE (qA[1], qB[1], 1e-4);
+ CHECK_CLOSE (qA[2], qB[2], 1e-4);
+ CHECK_CLOSE (qA[3], qB[3], 1e-4);
+
+
+ const dReal *posA = dBodyGetPosition(bId[0][b]);
+ const dReal *posB = dBodyGetPosition(bId[1][b]);
+ CHECK_CLOSE (posA[0], posB[0], 1e-4);
+ CHECK_CLOSE (posA[1], posB[1], 1e-4);
+ CHECK_CLOSE (posA[2], posB[2], 1e-4);
+ CHECK_CLOSE (posA[3], posB[3], 1e-4);
+ }
+ }
+
+
+
+
+} // End of SUITE TestdxJointBall
+
+