88 lines
2.8 KiB
Ucode
88 lines
2.8 KiB
Ucode
/**
|
|
* Copyright 1998-2013 Epic Games, Inc. All Rights Reserved.
|
|
*/
|
|
class ExponentialHeightFogComponent extends ActorComponent
|
|
native(FogVolume)
|
|
collapsecategories
|
|
hidecategories(Object)
|
|
editinlinenew;
|
|
|
|
/** True if the fog is enabled. */
|
|
var() const bool bEnabled;
|
|
|
|
/** z-height for the fog plane - updated by the owning actor */
|
|
var const float FogHeight;
|
|
|
|
/** Global density factor. */
|
|
var() const interp float FogDensity;
|
|
|
|
/**
|
|
* Height density factor, controls how the density increases as height decreases.
|
|
* Smaller values make the visible transition larger.
|
|
*/
|
|
var() const interp float FogHeightFalloff;
|
|
|
|
/**
|
|
* Maximum opacity of the fog.
|
|
* A value of 1 means the fog can become fully opaque at a distance and replace scene color completely,
|
|
* A value of 0 means the fog color will not be factored in at all.
|
|
*/
|
|
var() const interp float FogMaxOpacity;
|
|
|
|
/** Distance from the camera that the fog will start, in world units. */
|
|
var() const interp float StartDistance;
|
|
|
|
/**
|
|
* LightInscatteringColor is used in the direction of the dominant directional light, and OppositeLightColor is used in the opposite direction.
|
|
* LightTerminatorAngle is the angle in degrees from the dominant directional light that an even amount of OppositeLightColor and LightInscatteringColor are used for the final fog color.
|
|
* If there is no dominant directional light enabled, LightInscatteringColor will correspond to up in world space.
|
|
*/
|
|
var() const interp float LightTerminatorAngle;
|
|
|
|
/** Scales OppositeLightColor. */
|
|
var() const interp float OppositeLightBrightness;
|
|
|
|
/** Fog Color used for the opposite direction from the dominant directional light. */
|
|
var() const interp color OppositeLightColor;
|
|
|
|
/** Scales LightInscatteringColor. */
|
|
var() const interp float LightInscatteringBrightness;
|
|
|
|
/** Fog Color used for the direction of the dominant directional light. */
|
|
var() const interp color LightInscatteringColor;
|
|
|
|
cpptext
|
|
{
|
|
protected:
|
|
// ActorComponent interface.
|
|
virtual void SetParentToWorld(const FMatrix& ParentToWorld);
|
|
virtual void Attach();
|
|
virtual void UpdateTransform();
|
|
virtual void Detach( UBOOL bWillReattach = FALSE );
|
|
public:
|
|
virtual void PostEditChangeProperty(FPropertyChangedEvent& PropertyChangedEvent);
|
|
}
|
|
|
|
/**
|
|
* Changes the enabled state of the height fog component.
|
|
* @param bSetEnabled - The new value for bEnabled.
|
|
*/
|
|
final native function SetEnabled(bool bSetEnabled);
|
|
|
|
defaultproperties
|
|
{
|
|
TickGroup=TG_DuringAsyncWork
|
|
|
|
bEnabled=TRUE
|
|
|
|
FogDensity=0.02
|
|
FogHeightFalloff=0.2
|
|
FogMaxOpacity=1
|
|
StartDistance=0
|
|
LightTerminatorAngle=45
|
|
OppositeLightBrightness=.2
|
|
OppositeLightColor=(R=177,G=208,B=255)
|
|
LightInscatteringBrightness=1
|
|
LightInscatteringColor=(R=245,G=212,B=41)
|
|
}
|