Class PhysicsEnvironment

Namespace

Gravitas

Assembly

Gravitas.dll

Stores world-local physical environment values used by deterministic simulation.

public sealed class PhysicsEnvironment

Inheritance

object

PhysicsEnvironment

Inherited Members

object.GetType()

object.ToString()

object.Equals(object)

object.Equals(object, object)

object.ReferenceEquals(object, object)

object.GetHashCode()

Constructors

PhysicsEnvironment(Fixed64, Fixed64, Fixed64, Fixed64, Fixed64, Fixed64, Fixed64, Fixed64, int, Fixed64, int, int, int, int)

Initializes a new environment with explicit physical and culling values.

public PhysicsEnvironment(Fixed64 gravity, Fixed64 airDensity, Fixed64 minSpeed, Fixed64 maxSpeed, Fixed64 maxFallSpeed, Fixed64 frictionTransitionSpeed, Fixed64 decelerationMultiplier, Fixed64 dampingFactor, int cullDistanceMax, Fixed64 cullFastDistanceMax, int cullVelocityStep, int cullVelocityMax, int cullTimeStep, int cullTimeMax)

Parameters

gravity Fixed64

airDensity Fixed64

minSpeed Fixed64

maxSpeed Fixed64

maxFallSpeed Fixed64

frictionTransitionSpeed Fixed64

decelerationMultiplier Fixed64

dampingFactor Fixed64

cullDistanceMax int

cullFastDistanceMax Fixed64

cullVelocityStep int

cullVelocityMax int

cullTimeStep int

cullTimeMax int

Fields

DefaultAirDensity

Standard air density used by drag calculations.

public static readonly Fixed64 DefaultAirDensity

Field Value

Fixed64

DefaultCullDistanceFrameDivisor

Frame-rate divisor used to derive the default maximum distance-based collision-culling score.

public static readonly int DefaultCullDistanceFrameDivisor

Field Value

int

DefaultCullFastDistance

Distance threshold whose square becomes the default fast-collision preservation threshold.

public static readonly int DefaultCullFastDistance

Field Value

int

DefaultCullFastDistanceMax

Squared distance below which the standard environment preserves fast collision checks.

public static readonly Fixed64 DefaultCullFastDistanceMax

Field Value

Fixed64

DefaultCullTimeMaxFrameDivisor

Frame-rate divisor used to derive the default maximum time-based collision-culling score.

public static readonly int DefaultCullTimeMaxFrameDivisor

Field Value

int

DefaultCullTimeStepFrameMultiplier

Frame-rate multiplier used to derive the default collision-culling time step.

public static readonly int DefaultCullTimeStepFrameMultiplier

Field Value

int

DefaultCullVelocityMax

Maximum velocity-based collision-culling score used by the standard environment.

public static readonly int DefaultCullVelocityMax

Field Value

int

DefaultCullVelocityStep

Velocity step used by standard collision culling.

public static readonly int DefaultCullVelocityStep

Field Value

int

DefaultDampingFactor

Angular velocity damping factor used by the standard environment.

public static readonly Fixed64 DefaultDampingFactor

Field Value

Fixed64

DefaultDecelerationMultiplier

Motion deceleration multiplier used by the standard environment.

public static readonly Fixed64 DefaultDecelerationMultiplier

Field Value

Fixed64

DefaultFrictionTransitionSpeed

Speed threshold used when transitioning friction behavior in the standard environment.

public static readonly Fixed64 DefaultFrictionTransitionSpeed

Field Value

Fixed64

DefaultGravity

Standard gravitational acceleration in world units per second squared.

public static readonly Fixed64 DefaultGravity

Field Value

Fixed64

DefaultMaxFallSpeed

Maximum downward fall speed used by the standard environment.

public static readonly Fixed64 DefaultMaxFallSpeed

Field Value

Fixed64

DefaultMaxSpeed

Maximum linear or angular speed used by the standard environment.

public static readonly Fixed64 DefaultMaxSpeed

Field Value

Fixed64

DefaultMinSpeed

Minimum speed treated as meaningful motion by the standard environment.

public static readonly Fixed64 DefaultMinSpeed

Field Value

Fixed64

KilogramToPound

One kilogram is equal to this many pounds.

public static readonly Fixed64 KilogramToPound

Field Value

Fixed64

PoundToNewton

One pound is equal to this many Newtons.

public static readonly Fixed64 PoundToNewton

Field Value

Fixed64

Properties

AirDensity

Gets or sets air density used by drag calculations.

public Fixed64 AirDensity { get; set; }

Property Value

Fixed64

CullDistanceMax

Gets or sets the maximum distance-based collision-culling score.

public int CullDistanceMax { get; set; }

Property Value

int

CullFastDistanceMax

Gets or sets the squared distance below which fast collision checks are preserved.

public Fixed64 CullFastDistanceMax { get; set; }

Property Value

Fixed64

CullTimeMax

Gets or sets the maximum time-based collision-culling score.

public int CullTimeMax { get; set; }

Property Value

int

CullTimeStep

Gets or sets the frame-count step used by collision culling.

public int CullTimeStep { get; set; }

Property Value

int

CullVelocityMax

Gets or sets the maximum velocity-based collision-culling score.

public int CullVelocityMax { get; set; }

Property Value

int

CullVelocityStep

Gets or sets the velocity step used by collision culling.

public int CullVelocityStep { get; set; }

Property Value

int

DampingFactor

Gets or sets the damping factor applied to angular velocity.

public Fixed64 DampingFactor { get; set; }

Property Value

Fixed64

DecelerationMultiplier

Gets or sets the multiplier applied when decelerating motion.

public Fixed64 DecelerationMultiplier { get; set; }

Property Value

Fixed64

FrictionTransitionSpeed

Gets or sets the speed threshold used when transitioning friction behavior.

public Fixed64 FrictionTransitionSpeed { get; set; }

Property Value

Fixed64

Gravity

Gets or sets gravitational acceleration in world units per second squared.

public Fixed64 Gravity { get; set; }

Property Value

Fixed64

MaxFallSpeed

Gets or sets the maximum downward fall speed.

public Fixed64 MaxFallSpeed { get; set; }

Property Value

Fixed64

MaxSpeed

Gets or sets the maximum linear or angular speed.

public Fixed64 MaxSpeed { get; set; }

Property Value

Fixed64

MinSpeed

Gets or sets the minimum speed treated as meaningful motion.

public Fixed64 MinSpeed { get; set; }

Property Value

Fixed64

Methods

Default(int)

Creates environment values for the standard Gravitas runtime defaults.

public static PhysicsEnvironment Default(int frameRate = 32)

Parameters

frameRate int

Frame rate used to initialize frame-derived culling thresholds.

Returns

PhysicsEnvironment

A new environment instance.