svg,修改animateMotion的运动方向

Question

`<g>

            <circle
              r="8"
              opacity={1 - 0.2 * index}
              fill={'red'}
              stroke={'red'}
              style={{ strokeWidth: 0, stroke: 'red', strokeLinecap: 'round' }}
            />
            <animateMotion begin={`1s`} dur="6s" repeatCount="indefinite" rotate="auto">
              <mpath href="#arrow2" />
            </animateMotion>
          </g>`