Please use mouse right butto to draw the lie

The glass is sad because it's empty. Your job is to draw a line to make the glass filled up with liquid and smile again! Welcome to This Brand new Puzzle Game “Happy Crow” and start a journey of Fill the water in glass for thirsty crow.
The crow is depressed because he was thirsty. Your task is to draw a line to make a glass filled with water and bring a smile to the crow's face.

For iOS:
Safari on iOS 8 and later supports WebGL 1.0, and on iOS 15 and later supports WebGL 2.0.

For Android：
Nearly all of them support WebGL