This time we’ll be looking at another really simple image effect that can be used as a building block for more complex and overall sexier effects: Displacement. The name says it all; it just displaces the image by manipulating the UV coordinates. As a result, the output image can be moved in the x and …
Month: May 2017
Moving just a bit away from image effects, this post, as the title betrays, is about GrabPass in shaders. GrabPass is a special pass of a shader that is used to get the contents of the screen in the place where an object would be rendered. So, basically its purpose is to project whatever’s “behind” …
One of the most popular effects to be used in video games the last years is the effect of chromatic aberration. Chromatic aberration is the effect that can be seen in low-quality camera footage, where on the edges of an object it seems as if the colors have a small offset. Recently it has been …
The concept of this tutorial is really simple. We may not want the image effect to be applied on the whole screen. We may want it in an area of a specific shape. Those are just some simple applications of mask textures in image effects. A mask texture is usually a black and white image used, …