Creating a water material
Now that we have our plane, let’s add a material called Water to it:
- Select the plane object.
- Go to Material Properties.
- Add a material called Water to the plane object.
- Switch the bottom menu of Blender to Shader Editor so that we can edit our material.
Here are the preceding steps shown in our Blender scene:

Figure 7.2 – Adding a Water material to the river plane
The first thing to do is to delete the Principled BSDF node; we don’t need it to create our water material.
- Select the Principled BSDF node, press X, and it will be deleted. We’ll be left with the Material Output node alone:

Figure 7.3 – The Material Output node
To create water, we will need to mix two effects: reflectivity and transparency.
- Let’s add a Glass BSDF node. Search for it by hitting Shift + A in Shader Editor. This node works like a glass...