How to sketch water ripples?

You don't have to consider color when sketching, so it's simpler. No matter how complicated the object is, simplify it.

One is modeling, the other is the relationship between light and shade.

Look at the shape first:

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Its outline is similar to this shape, of course, it is attenuated in plan view, that is, the peaks and valleys at the center point are more obvious, and the back gradually becomes dull.

So from above, it is a circle of concentric circles. This is the case with the standard model. We won't consider the complicated ones, and the effect will be different with a little interference.

We can understand modeling through two simple views.

Then look at the light and shade effect, first look at its texture, the texture of water is a bit close to glass, and the refraction and reflectivity are high after all. Transparent, but if the water is deep, you can't actually see the bottom.

The surface is smooth and soft. Then the surface has no obvious hard surface.

By the way, I recommend you to search: Qitian cg College, or watch the videos of the bosses of Bili or Tik Tok, and learn more painting methods.

With these basic knowledge, we can start painting. Highlight when the dark part is pressed. Refine the middle and weaken the edges. This is modeling and relationships. The feeling of being glass. If you make 3D renderings, you will find that as materials, their parameters are actually very close.