NoiseCinematicTrackModifier.c

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class NoiseCinematicTrackModifier : CinematicTrackModifier
{
    [Attribute(defvalue:"0.1", params:"0 inf", desc:"How big the movement will be")]
    float Strength;
    
    [Attribute(defvalue:"2", params:"0 inf", desc:"How quick the movement will be")]
    float Speed;
    
    [Attribute(defvalue:"0", desc:"Offset for starting time")]
    float Offset;
    
    //------------------------------------------------------------------------------------------------
    override bool OnApplyModifierBool(float time, bool originalValue)
    {
        float t = Offset + time*Speed;
        float noise = Math.PerlinNoise(t);
        
        return noise > 0.0; 
    }
    
    //------------------------------------------------------------------------------------------------
    override int OnApplyModifierInt(float time, int originalValue)
    {
        float t = Offset + time*Speed;
        float noise = Math.PerlinNoise(t);
        
        return originalValue + Math.Round(noise*Strength);
    }
    
    //------------------------------------------------------------------------------------------------
    override float OnApplyModifierFloat(float time, float originalValue)
    {
        float t = Offset + time*Speed;
        float noise = Math.PerlinNoise(t);
        
        return originalValue + noise*Strength;
    }
    
    //------------------------------------------------------------------------------------------------
    override vector OnApplyModifierVector(float time, vector originalValue)
    {
        float t = Offset + time*Speed;
        
        vector noise = Vector(
            Math.PerlinNoise(t, 0, 0),
            Math.PerlinNoise(0, t, 0),
            Math.PerlinNoise(0, 0, t));
        
        return originalValue + noise*Strength;
    }
};