1, draw the dial. By inserting shapes in the menu, select ellipse and pie chart shapes, and hold down the Shift key to draw;

2. Dial with the help of a pie chart. By adjusting the data, the area is increased while keeping the values equal;

3. Add text. Add the required lottery options, copy and paste as much as possible, and then modify the content to ensure the consistency of text size and format, and align the main characters to achieve aesthetics;

4. Make a pointer. In fact, the production of the pointer is not as easy as imagined, and it is necessary to produce a centrally symmetrical figure to ensure the normal rotation of the later animation;

5. Add animation. Select pointer, and select Tuo spiral animation;

6. Effect setting. In the pop-up animation pane, select Animate to open the effect settings. The spiral effect bar does not need to be changed;

7. Timing selection settings. Repeat will be changed to until the end of the slide;

8. Trigger settings. The setting of the trigger can be controlled by clicking the button to start and stop. Click the trigger to select the object as the control button of the lottery;

9. Check and realize the lucky draw. Play the slide show, check the effect, click the button to start, and then click to stop the rotation, and the lucky draw will be realized.