overte-Armored-Dragon/libraries/shared/src/PhysicsHelpers.h
2016-01-19 19:52:08 -08:00

35 lines
1 KiB
C++

//
// PhysicsHelpers.h
// libraries/shared/src
//
// Created by Andrew Meadows 2015.01.27
// Copyright 2015 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_PhysicsHelpers_h
#define hifi_PhysicsHelpers_h
#include <glm/glm.hpp>
#include <glm/gtc/quaternion.hpp>
#include <QUuid>
// TODO: move everything in here to the physics library after the physics/entities library
// dependency order is swapped.
const int PHYSICS_ENGINE_MAX_NUM_SUBSTEPS = 6; // Bullet will start to "lose time" at 10 FPS.
const float PHYSICS_ENGINE_FIXED_SUBSTEP = 1.0f / 90.0f;
// return incremental rotation (Bullet-style) caused by angularVelocity over timeStep
glm::quat computeBulletRotationStep(const glm::vec3& angularVelocity, float timeStep);
namespace Physics {
int16_t getDefaultCollisionMask(int16_t group);
void setSessionUUID(const QUuid& sessionID);
const QUuid& getSessionUUID();
};
#endif // hifi_PhysicsHelpers_h