hl2_src-leak-2017/src/public/vphysics/performance.h

45 lines
1.7 KiB
C
Raw Normal View History

//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
//=============================================================================//
#ifndef PERFORMANCE_H
#define PERFORMANCE_H
#ifdef _WIN32
#pragma once
#endif
// Don't ever change these values, or face all kinds of subtle gameplay changes
const float k_flMaxVelocity = 2000.0f;
const float k_flMaxAngularVelocity = 360.0f * 10.0f;
const float DEFAULT_MIN_FRICTION_MASS = 10.0f;
const float DEFAULT_MAX_FRICTION_MASS = 2500.0f;
struct physics_performanceparams_t
{
int maxCollisionsPerObjectPerTimestep; // object will be frozen after this many collisions (visual hitching vs. CPU cost)
int maxCollisionChecksPerTimestep; // objects may penetrate after this many collision checks (can be extended in AdditionalCollisionChecksThisTick)
float maxVelocity; // limit world space linear velocity to this (in / s)
float maxAngularVelocity; // limit world space angular velocity to this (degrees / s)
float lookAheadTimeObjectsVsWorld; // predict collisions this far (seconds) into the future
float lookAheadTimeObjectsVsObject; // predict collisions this far (seconds) into the future
float minFrictionMass; // min mass for friction solves (constrains dynamic range of mass to improve stability)
float maxFrictionMass; // mas mass for friction solves
void Defaults()
{
maxCollisionsPerObjectPerTimestep = 6;
maxCollisionChecksPerTimestep = 250;
maxVelocity = k_flMaxVelocity;
maxAngularVelocity = k_flMaxAngularVelocity;
lookAheadTimeObjectsVsWorld = 1.0f;
lookAheadTimeObjectsVsObject = 0.5f;
minFrictionMass = DEFAULT_MIN_FRICTION_MASS;
maxFrictionMass = DEFAULT_MAX_FRICTION_MASS;
}
};
#endif // PERFORMANCE_H