![]() ![]() They are programmed in a C-like language called GLSL, which can give direct instructions to the GPU for fast processing.I love Unity – it’s one of those environments that’s actually a pleasure to program in, but its terrain system seems somewhat lacking behind its other features, requiring quite a lot of hacks and workarounds to get desired appearance and functionality (while still having an acceptable level of performance).įor example, at first glance, the inbuilt terrain appears to have only one shader, which only supports diffuse textures. Shaders are not programmed in C# or even in an OOPS language at all. What is a shader?Ī shader is a program that defines how every single pixel is drawn on-screen. Of course, Unity generates and applies it to everything for us, so we do not even notice it is there. In fact, even in 2D, we use a special material that does not require lighting as well. Materials are what make your objects visible in the first place. That is because these are properties that are programmed in the shader, not the material. These properties are not like anything we have studied so far. Right-click in the Assets region, go to Create → Material and give it a name, such as “My Material”. A material is used to define how lighting affects an object with that material. ![]() Now, do not get confused with the name a Material has nothing to do with mass, collisions, or even physics in general. Notice how a gray sphere denotes the material, with some light coming in from the top. In Unity (and in many 3D modelling aspects), a Material is a file that contains information about the lighting of an object with that material. The bottom-most property appears to have a Default material and a Standard shader. Now, click on the cube, and have a look at its properties. You can also zoom in and out using the scroll wheel. You can look around the cube by holding right-click and dragging the mouse in the Scene View. This will create a new cube in the middle of the scene. Once you have created the new project, go to the Hierarchy and right-click, and go 3D Object → Cube. This will help us see the various changes. To understand better, we will create a new 3D Project instead of our current 2D one. ![]() In this chapter, we will learn about materials and shaders in brief. ![]()
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December 2022
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