Sound effect when players complete npc tasks

Description

When players complete npc tasks (such as collection games in different chaps), cheerful sound effects can bring players sense of achievement and achieve better game effects.

Selection process

Music 1：https://user-images.githubusercontent.com/110015060/198414430-2b5a0955-409f-451d-bc10-d5bd874fe7e8.mp4

(ref：https://v.docin.com/yx/v-154135.html)

Music 2：https://user-images.githubusercontent.com/110015060/198414390-6823609c-813c-4dba-a964-ca1a185da30e.mp4

(ref: https://v.docin.com/yx/v-131885.html)

Music 3：https://user-images.githubusercontent.com/110015060/198414494-cc82aab3-f92a-4b2f-b0d4-dabd3fcafc03.mp4

(ref: https://v.docin.com/yx/v-156899.html)

We chose the music 1 finally, because music 2 sounds a little flat, and music 3 whose stimulation is too strong doesn't fit the background music.

After the music test, most people also think that music 1 fits the background music.