Class Initializer_TrailLengthRandom

src/SourceEngine/ParticleSystem.ts:417–442

}

class Initializer_TrailLengthRandom extends ModuleBase {
    private readonly min: number;
    private readonly max: number;
    private readonly randomExponent: number;

    constructor(elem: DMX.DMXElement) {
        super(elem);
        this.min = getAttribValue(elem, `length_min`, DMX.DMXAttributeType.Float, 0.1);
        this.max = getAttribValue(elem, `length_max`, DMX.DMXAttributeType.Float, 0.1);
        this.randomExponent = getAttribValue(elem, `length_random_exponent`, DMX.DMXAttributeType.Float, 1.0);
    }

    public override streamWrite(): StreamMask {
        return StreamMask.TrailLength;
    }

    public init(system: ParticleSystemInstance, p: number): void {
        if (!system.hasStream(StreamMask.TrailLength))
            return;

        const trailLength = randRangeExp(system, this.min, this.max, this.randomExponent);

        const data = system.particleDataF32;
        data[system.getStreamOffs(StreamMask.TrailLength, p)] = trailLength;
    }
}

class Initializer_PositionModifyOffsetRandom extends ModuleBase {
    private readonly min: ReadonlyVec3;