Method _getLineLength

src/chart/helper/EffectLine.ts:187–191

(symbol: ECSymbolOnEffectLine)

    }

    protected _getLineLength(symbol: ECSymbolOnEffectLine) {
        // Not so accurate
        return (vec2.dist(symbol.__p1, symbol.__cp1)
            + vec2.dist(symbol.__cp1, symbol.__p2));
    }

    protected _updateAnimationPoints(symbol: ECSymbolOnEffectLine, points: number[][]) {
        symbol.__p1 = points[0];