overte-HifiExperiments/libraries/shared/src/PhysicsSimulation.h
2014-06-19 15:50:16 -07:00

61 lines
1.6 KiB
C++

//
// PhysicsSimulation.h
// interface/src/avatar
//
// Created by Andrew Meadows 2014.06.06
// Copyright 2014 High Fidelity, Inc.
//
// Distributed under the Apache License, Version 2.0.
// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
//
#ifndef hifi_PhysicsSimulation
#define hifi_PhysicsSimulation
#include <QVector>
#include "CollisionInfo.h"
class PhysicsEntity;
class Ragdoll;
class PhysicsSimulation {
public:
PhysicsSimulation();
~PhysicsSimulation();
/// \return true if entity was added to or is already in the list
bool addEntity(PhysicsEntity* entity);
void removeEntity(PhysicsEntity* entity);
/// \return true if doll was added to or is already in the list
bool addRagdoll(Ragdoll* doll);
void removeRagdoll(Ragdoll* doll);
/// \param minError constraint motion below this value is considered "close enough"
/// \param maxIterations max number of iterations before giving up
/// \param maxUsec max number of usec to spend enforcing constraints
/// \return distance of largest movement
void stepForward(float deltaTime, float minError, int maxIterations, quint64 maxUsec);
void moveRagdolls(float deltaTime);
void computeCollisions();
void processCollisions();
void enforceConstraints(float minError, int maxIterations, quint64 maxUsec);
private:
CollisionList _collisionList;
QVector<PhysicsEntity*> _entities;
QVector<Ragdoll*> _dolls;
// some stats
int _numIterations;
int _numCollisions;
float _constraintError;
quint64 _stepTime;
};
#endif // hifi_PhysicsSimulation