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authorRémi Verschelde <rverschelde@gmail.com>2018-01-13 14:01:53 +0100
committerRémi Verschelde <rverschelde@gmail.com>2018-01-13 14:08:45 +0100
commite12c89e8c9896b2e5cdd70dbd2d2acb449ff4b94 (patch)
treeaf68e434545e20c538f896e28b73f2db7d626edd /thirdparty/bullet/BulletDynamics/ConstraintSolver/btUniversalConstraint.h
parent53c65ae7619ac9e80c89a321c70de64f3745e2aa (diff)
bullet: Streamline bundling, remove extraneous src/ folder
Document version and how to extract sources in thirdparty/README.md. Drop unnecessary CMake and Premake files. Simplify SCsub, drop unused one.
Diffstat (limited to 'thirdparty/bullet/BulletDynamics/ConstraintSolver/btUniversalConstraint.h')
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+/*
+Bullet Continuous Collision Detection and Physics Library, http://bulletphysics.org
+Copyright (C) 2006, 2007 Sony Computer Entertainment Inc.
+
+This software is provided 'as-is', without any express or implied warranty.
+In no event will the authors be held liable for any damages arising from the use of this software.
+Permission is granted to anyone to use this software for any purpose,
+including commercial applications, and to alter it and redistribute it freely,
+subject to the following restrictions:
+
+1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.
+2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
+3. This notice may not be removed or altered from any source distribution.
+*/
+
+#ifndef BT_UNIVERSAL_CONSTRAINT_H
+#define BT_UNIVERSAL_CONSTRAINT_H
+
+
+
+#include "LinearMath/btVector3.h"
+#include "btTypedConstraint.h"
+#include "btGeneric6DofConstraint.h"
+
+
+
+/// Constraint similar to ODE Universal Joint
+/// has 2 rotatioonal degrees of freedom, similar to Euler rotations around Z (axis 1)
+/// and Y (axis 2)
+/// Description from ODE manual :
+/// "Given axis 1 on body 1, and axis 2 on body 2 that is perpendicular to axis 1, it keeps them perpendicular.
+/// In other words, rotation of the two bodies about the direction perpendicular to the two axes will be equal."
+
+ATTRIBUTE_ALIGNED16(class) btUniversalConstraint : public btGeneric6DofConstraint
+{
+protected:
+ btVector3 m_anchor;
+ btVector3 m_axis1;
+ btVector3 m_axis2;
+public:
+
+ BT_DECLARE_ALIGNED_ALLOCATOR();
+
+ // constructor
+ // anchor, axis1 and axis2 are in world coordinate system
+ // axis1 must be orthogonal to axis2
+ btUniversalConstraint(btRigidBody& rbA, btRigidBody& rbB, const btVector3& anchor, const btVector3& axis1, const btVector3& axis2);
+ // access
+ const btVector3& getAnchor() { return m_calculatedTransformA.getOrigin(); }
+ const btVector3& getAnchor2() { return m_calculatedTransformB.getOrigin(); }
+ const btVector3& getAxis1() { return m_axis1; }
+ const btVector3& getAxis2() { return m_axis2; }
+ btScalar getAngle1() { return getAngle(2); }
+ btScalar getAngle2() { return getAngle(1); }
+ // limits
+ void setUpperLimit(btScalar ang1max, btScalar ang2max) { setAngularUpperLimit(btVector3(0.f, ang1max, ang2max)); }
+ void setLowerLimit(btScalar ang1min, btScalar ang2min) { setAngularLowerLimit(btVector3(0.f, ang1min, ang2min)); }
+
+ void setAxis( const btVector3& axis1, const btVector3& axis2);
+};
+
+
+
+#endif // BT_UNIVERSAL_CONSTRAINT_H
+