Happy Glass Thirsty Fish

The glass is miserable since it's empty. Your work is to draw a point to produce the glass filled up with liquid and grin again! Welcome to This Brand new Puzzle Game"Happy Crow" and commence a trip of Fill out the water for a hungry crow.
 The crow is miserable because he was hungry. Your job would be to draw a point to create a glass full of water and bring a grin to the crow's face.
Please use right mouse button to draw on the line

Please use mouse right button to draw the line