121 lines
3.4 KiB
Ucode
121 lines
3.4 KiB
Ucode
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/**
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* Copyright 1998-2013 Epic Games, Inc. All Rights Reserved.
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*
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* Object that encapsulates parameters for defining a camera shake.
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* a code-driven (oscillating) screen shake.
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*/
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class CameraShake extends Object
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editinlinenew
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native(Camera);
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/**
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* TRUE to only allow a single instance of this shake to play at any given time.
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* Subsequents attempts to play this shake will simply restart the timer.
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*/
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var() bool bSingleInstance;
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/************************************************************
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* Parameters for defining oscillating camera shakes
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************************************************************/
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/** Shake start offset parameter */
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enum EInitialOscillatorOffset
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{
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EOO_OffsetRandom, // Start with random offset (default)
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EOO_OffsetZero, // Start with zero offset
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};
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/** Defines oscillation of a single number. */
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struct native FOscillator
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{
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var() float Amplitude;
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var() float Frequency;
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var() EInitialOscillatorOffset InitialOffset;
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};
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/** Defines rotator oscillation. */
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struct native ROscillator
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{
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var() FOscillator Pitch;
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var() FOscillator Yaw;
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var() FOscillator Roll;
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};
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/** Defines vector oscillation. */
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struct native VOscillator
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{
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var() FOscillator X;
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var() FOscillator Y;
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var() FOscillator Z;
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};
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/** Duration in seconds of current screen shake. <0 means indefinite, 0 means no oscillation */
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var(Oscillation) float OscillationDuration;
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var(Oscillation) float OscillationBlendInTime<ClampMin=0.0>;
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var(Oscillation) float OscillationBlendOutTime<ClampMin=0.0>;
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/** Rotational oscillation */
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var(Oscillation) ROscillator RotOscillation;
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/** Positional oscillation */
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var(Oscillation) VOscillator LocOscillation;
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/** FOV oscillation */
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var(Oscillation) FOscillator FOVOscillation;
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/************************************************************
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* Parameters for defining CameraAnim-driven camera shakes
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************************************************************/
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var(AnimShake) CameraAnim Anim;
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/** Scalar defining how fast to play the anim. */
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var(AnimShake) float AnimPlayRate<ClampMin=0.001>;
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/** Scalar defining how "intense" to play the anim. */
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var(AnimShake) float AnimScale<ClampMin=0.0>;
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/** Linear blend-in time. */
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var(AnimShake) float AnimBlendInTime<ClampMin=0.0>;
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/** Linear blend-out time. */
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var(AnimShake) float AnimBlendOutTime<ClampMin=0.0>;
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/**
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* If TRUE, play a random snippet of the animation of length Duration. Implies bLoop and bRandomStartTime = TRUE for the CameraAnim.
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* If FALSE, play the full anim once, non-looped.
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*/
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var(AnimShake) bool bRandomAnimSegment;
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/** When bRandomAnimSegment=true, this defines how long the anim should play. */
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var(AnimShake) float RandomAnimSegmentDuration<ClampMin=0.0 | EditCondition=bRandomAnimSegment>;
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simulated function float GetRotOscillationMagnitude()
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{
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local vector V;
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V.X = RotOscillation.Pitch.Amplitude;
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V.Y = RotOscillation.Yaw.Amplitude;
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V.Z = RotOscillation.Roll.Amplitude;
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return VSize(V);
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}
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simulated function float GetLocOscillationMagnitude()
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{
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local vector V;
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V.X = LocOscillation.X.Amplitude;
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V.Y = LocOscillation.Y.Amplitude;
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V.Z = LocOscillation.Z.Amplitude;
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return VSize(V);
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}
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defaultproperties
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{
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AnimPlayRate=1.f
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AnimScale=1.f
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AnimBlendInTime=0.2f
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AnimBlendOutTime=0.2f
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OscillationBlendInTime=0.1f
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OscillationBlendOutTime=0.2f
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}
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