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54 lines
1.5 KiB
C++
54 lines
1.5 KiB
C++
#ifndef OPENMW_MWPHYSICS_MOVEMENTSOLVER_H
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#define OPENMW_MWPHYSICS_MOVEMENTSOLVER_H
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#include <osg/Vec3f>
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#include <components/misc/constants.hpp>
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class btCollisionWorld;
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namespace MWWorld
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{
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class Ptr;
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}
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namespace MWPhysics
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{
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/// Vector projection
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static inline osg::Vec3f project(const osg::Vec3f& u, const osg::Vec3f& v)
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{
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return v * (u * v);
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}
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/// Vector rejection
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static inline osg::Vec3f reject(const osg::Vec3f& direction, const osg::Vec3f& planeNormal)
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{
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return direction - project(direction, planeNormal);
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}
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template <class Vec3>
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static bool isWalkableSlope(const Vec3& normal)
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{
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static const float sMaxSlopeCos = std::cos(osg::DegreesToRadians(Constants::sMaxSlope));
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return (normal.z() > sMaxSlopeCos);
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}
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class Actor;
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struct ActorFrameData;
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struct ProjectileFrameData;
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struct WorldFrameData;
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class MovementSolver
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{
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public:
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static osg::Vec3f traceDown(const MWWorld::Ptr& ptr, const osg::Vec3f& position, Actor* actor,
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btCollisionWorld* collisionWorld, float maxHeight);
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static void move(
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ActorFrameData& actor, float time, const btCollisionWorld* collisionWorld, const WorldFrameData& worldData);
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static void move(ProjectileFrameData& projectile, float time, const btCollisionWorld* collisionWorld);
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static void unstuck(ActorFrameData& actor, const btCollisionWorld* collisionWorld);
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};
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}
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#endif
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