https://worldofzero.com/tags/shader/Recent content in shader on World of ZeroHugo -- gohugo.ioencontact@worldofzero.com (Sam Wronski)contact@worldofzero.com (Sam Wronski)©2025, All Rights ReservedFri, 16 May 2025 00:00:00 +0000https://worldofzero.com/videos/using-polar-coordinates-in-unity-shader-graphs/Fri, 16 May 2025 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Fri, 16 May 2025 07:28:43 -0700https://worldofzero.com/videos/using-polar-coordinates-in-unity-shader-graphs/Getting back into making videos and decided to explore polar coordinates at a high level. Polar coordinates are an alternative coordinate system that maps points onto a radius and angle instead of an XY position like we have when using more typical Cartesian coordinates.Sam Wronskifeatured imageunity3dshaderlivecodehttps://worldofzero.com/videos/building-a-custom-unity-pixelated-post-processing-effect-in-shader-graph/Thu, 06 Jun 2024 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Fri, 07 Jun 2024 14:55:10 -0700https://worldofzero.com/videos/building-a-custom-unity-pixelated-post-processing-effect-in-shader-graph/Lets dive into Shader Graph and how you can use it in Universal Rendering Pipeline Unity projects to create post processing effects for your game.Sam Wronskifeatured imageunity3dshaderhttps://worldofzero.com/videos/exploring-how-to-write-custom-pixel-shaders-for-the-windows-terminal/Wed, 06 Oct 2021 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Thu, 07 Oct 2021 08:30:46 -0700https://worldofzero.com/videos/exploring-how-to-write-custom-pixel-shaders-for-the-windows-terminal/The Windows Terminal is a new terminal for Windows that allows you to run PowerShell, Command Prompt, the Azure Command Shell or any other terminal environment.Sam Wronskifeatured imageshadertutorialwindowshttps://worldofzero.com/videos/creating-a-stepped-gradient-shader-in-unity/Tue, 20 Jul 2021 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Wed, 11 Aug 2021 10:00:06 -0700https://worldofzero.com/videos/creating-a-stepped-gradient-shader-in-unity/Let’s build a stepped gradient in Unity! This is a form of gradient with hard transitions between the different keyframes in the gradient which creates clear blocks of color like you might see on a flag or logo.Sam Wronskifeatured imageshaderunity3dtutorialhttps://worldofzero.com/posts/pride-windows-terminal/Sun, 04 Apr 2021 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Sun, 04 Apr 2021 17:12:00 -0700https://worldofzero.com/posts/pride-windows-terminal/Flags! But in your Terminal with Shaders. Getting Started Enabling Shaders in Your Terminal There is currently an experimental feature in the Windows Terminal that allows you to assign a HLSL shader to your terminal to customize its appearance.Sam Wronskifeatured imagewindowstoolsopensourcetipshellshaderhttps://worldofzero.com/videos/correcting-lighting-on-our-grid-snapped-vertex-shader-with-geometry-shaders/Sat, 20 Feb 2021 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Sun, 21 Feb 2021 09:39:57 -0800https://worldofzero.com/videos/correcting-lighting-on-our-grid-snapped-vertex-shader-with-geometry-shaders/Lets fix our grid snapped vertex custom shader by introducing some improved lighting. Because we’re manipulating our objects geometry inside our shader the normals that are used to calculate lighting are incorrect.Sam Wronskifeatured imageshaderlivecodeunity3dtutorialhttps://worldofzero.com/videos/a-world-space-grid-snapped-shader/Fri, 12 Feb 2021 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Sat, 13 Feb 2021 08:15:12 +0000https://worldofzero.com/videos/a-world-space-grid-snapped-shader/Expanding upon our exploration of a shader that snaps vertices to a grid. This time we’re moving things into world space!Sam Wronskifeatured imageunity3dshadertutorialhttps://worldofzero.com/videos/what-happens-when-you-snap-vertices-to-a-grid/Wed, 10 Feb 2021 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Fri, 12 Feb 2021 08:15:50 +0000https://worldofzero.com/videos/what-happens-when-you-snap-vertices-to-a-grid/In this video I get to play with madness. We’ll be exploring what happens if you try to “pixelate” a 3D mesh using a vertex shader.Sam Wronskifeatured imageshaderunity3dlivecodehttps://worldofzero.com/videos/exploring-a-trochoidal-wave-shader/Fri, 20 Mar 2020 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/exploring-a-trochoidal-wave-shader/Let’s try to craft some trochoidal waves - a type of fluid simulation that is both fairly simple and also looks pretty good for creating basic waves in an ocean or other fluid.Sam Wronskifeatured imageshaderunity3dtutoriallivecodehttps://worldofzero.com/videos/embedding-shadertoy-in-hugo-websites-custom-hugo-shortcodes/Tue, 07 Jan 2020 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/embedding-shadertoy-in-hugo-websites-custom-hugo-shortcodes/Hugo Shortcodes are a way to use short snippets in your Hugo site that embed custom parameterized objects. Some built-in shortcodes can embed GitHub Gist code snippets, YouTube videos or Twitter posts.Sam Wronskifeatured imageshaderhugowebhttps://worldofzero.com/videos/writing-a-snow-covered-shader/Fri, 04 Oct 2019 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/writing-a-snow-covered-shader/Lets write a custom snow covered surface shader in Unity that can procedurally generate snow and place it on top of any object in our scene.Sam Wronskifeatured imageshaderunity3dlivecodehttps://worldofzero.com/videos/writing-our-own-diffuse-lighting-shader/Fri, 26 Jul 2019 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/writing-our-own-diffuse-lighting-shader/Lets explore how to build diffuse lighting onto our meshes. This is intended as somewhat of an introduction to some of the magic behind shaders.Sam Wronskifeatured imageshaderlivecodehttps://worldofzero.com/videos/turning-circular-pixels-into-diamond-pixels/Tue, 02 Jul 2019 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/turning-circular-pixels-into-diamond-pixels/In previous videos we’ve built a pixel shader that renders circles instead of the traditional squares. You can rotate the pixels so that the circles can be oriented at any angle to one another.Sam Wronskifeatured imageshaderunity3dopensourcegittutorialhttps://worldofzero.com/videos/experimenting-with-rotated-pixels-circle-pixel-shader-part-5/Fri, 28 Jun 2019 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/experimenting-with-rotated-pixels-circle-pixel-shader-part-5/I wanted to try something new and sort of experiment with a few concepts that build upon our circle pixel shader.Sam Wronskifeatured imageshaderlivecodedebuggingopensourcehttps://worldofzero.com/videos/making-our-pixels-round-circle-pixel-shader-part-3/Wed, 26 Jun 2019 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/making-our-pixels-round-circle-pixel-shader-part-3/In the past two episodes we’ve created a pixelating shader that divides an image into a lower resolution grid of pixels and a second shader which renders a circle inside of a 1x1 area.Sam Wronskifeatured imageshaderunity3dlivecodeopensourcehttps://worldofzero.com/videos/variable-radius-circle-pixels-circle-pixel-shader-part-4/Wed, 26 Jun 2019 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/variable-radius-circle-pixels-circle-pixel-shader-part-4/In the last video we made our circular pixel shader work. It now draws a grid of different colored circles based on the input from the shaders texture.Sam Wronskifeatured imageshaderunity3dlivecodehttps://worldofzero.com/videos/lets-draw-a-circle-circle-pixel-shader-part-2/Sat, 22 Jun 2019 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/lets-draw-a-circle-circle-pixel-shader-part-2/Last time we built a grid of pixels for our circular pixel shader. In this video, part 2, we’re going to be figuring out how to draw a circle.Sam Wronskifeatured imageshaderunity3dopensourcegithttps://worldofzero.com/videos/a-pixelated-shader-circular-pixel-shader-part-1/Fri, 21 Jun 2019 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/a-pixelated-shader-circular-pixel-shader-part-1/Lets make a pixelated shader we can use to easily make a pixelated version of a texture on our Game Objects.Sam Wronskifeatured imageshaderunity3dopensourcelivecodehttps://worldofzero.com/posts/shadertoy-grid-shader/Thu, 10 Jan 2019 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Sun, 15 Nov 2020 15:50:39 -0800https://worldofzero.com/posts/shadertoy-grid-shader/A Shadertoy shader creating a grid. This makes it possible to create an infintely scalable grid pattern that is fairly light-weight.Sam Wronskifeatured imageshaderhttps://worldofzero.com/videos/ring-to-ripples-ripple-in-shader-graph-part-3/Mon, 17 Dec 2018 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/ring-to-ripples-ripple-in-shader-graph-part-3/Time to finally catch our Shader Graph Ripple Shader up to the existing Ripple we created in a Surface Shader a while ago.Sam Wronskifeatured imageshaderunity3dhttps://worldofzero.com/videos/building-a-custom-node-in-unitys-shader-graph/Wed, 05 Dec 2018 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/building-a-custom-node-in-unitys-shader-graph/With the introduction of Shader Graph Unity also added support for Custom Nodes you can build yourself by creating custom CodeFunctionNode.Sam Wronskifeatured imageshaderunity3dtutorialcsharpdotnethttps://worldofzero.com/videos/using-properties-and-steps-in-part-2-of-our-ripple-in-shader-graph/Wed, 28 Nov 2018 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/using-properties-and-steps-in-part-2-of-our-ripple-in-shader-graph/There is still so much to learn in Unity’s new Shader Graph feature. In this video our focus is twofold.Sam Wronskifeatured imageshaderunity3dtutorialhttps://worldofzero.com/videos/learning-how-to-use-step-and-smoothstep-in-shaders/Sat, 17 Nov 2018 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/learning-how-to-use-step-and-smoothstep-in-shaders/A number of people have commented that we should be using step or smoothstep instead of some of the branching if/else blocks we’ve used in other videos (branches in shaders tend to perform worse than other functions).Sam Wronskifeatured imageshaderunity3dtutorialhttps://worldofzero.com/videos/a-circle-shader-in-shader-graph-ripple-in-shader-graph-part-1/Thu, 11 Oct 2018 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/a-circle-shader-in-shader-graph-ripple-in-shader-graph-part-1/Lets learn Shader Graph by building our ripple shader entirely within Shader Graph. The goal of this series is to reproduce the ripple shader we’ve been working on and compare/contrast the process of building the same shader in both tools that Unity makes available to you.Sam Wronskifeatured imageunity3dtutorialshaderhttps://worldofzero.com/videos/point-and-ripple-ripple-shader-part-2/Wed, 03 Oct 2018 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/point-and-ripple-ripple-shader-part-2/Welcome back! Let’s expand our Ripple Shader so it’s a bit easier to control and set the groundwork for some of the upcoming features we’ll want to build for it.Sam Wronskifeatured imageshaderunity3dhttps://worldofzero.com/posts/shadertoy-quality-reduce/Tue, 18 Sep 2018 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Sun, 15 Nov 2020 15:50:39 -0800https://worldofzero.com/posts/shadertoy-quality-reduce/A Shadertoy shader that reduces the available colors to draw with. This demo reduces the normal range of colors per channel from 256 down to just 8 by using effectively separating each colors floating point value into different categories.Sam Wronskifeatured imageshaderhttps://worldofzero.com/videos/a-static-glowing-ring-ripple-shader-part-1/Tue, 31 Jul 2018 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/a-static-glowing-ring-ripple-shader-part-1/Lets make a new shader in Unity that sends a ripple out across an object to reveal the texture underneath it!Sam Wronskifeatured imageshaderunity3dtutorialhttps://worldofzero.com/videos/improving-the-voxel-cube-with-lighting-and-optimized-updates/Wed, 25 Jul 2018 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/improving-the-voxel-cube-with-lighting-and-optimized-updates/One of the big advantages of recording yourself building things is you get to watch it all back, a built in code review while you edit.Sam Wronskifeatured imageunity3dshadertutorialcsharphttps://worldofzero.com/videos/adding-an-accent-to-our-contrast-shader-lets-make-a-side-scrolling-shooter-part-4/Thu, 05 Jul 2018 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/adding-an-accent-to-our-contrast-shader-lets-make-a-side-scrolling-shooter-part-4/Lets spice up our our contrasting transition shader with an accent color that more clearly marks the border between one color and the next.Sam Wronskifeatured imageshaderunity3dhttps://worldofzero.com/videos/color-contrast-shader-lets-make-a-side-scrolling-shooter-part-3/Tue, 03 Jul 2018 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/color-contrast-shader-lets-make-a-side-scrolling-shooter-part-3/Continuing to build out our side scrolling shooter. We’re going to be building an effect that is essential to one of the main mechanics I am trying to build for this game.Sam Wronskifeatured imageshaderlivecodecsharpdotnetunity3dhttps://worldofzero.com/videos/lets-make-an-expanding-pipe-shader/Thu, 21 Jun 2018 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/lets-make-an-expanding-pipe-shader/I’ve been seeing a few example of uses for a cartoonish styled pipe that expands as something goes through it.Sam Wronskifeatured imageshaderunity3dtutorialgamehttps://worldofzero.com/videos/building-a-custom-unity-terrain-shader/Sun, 29 Apr 2018 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/building-a-custom-unity-terrain-shader/We’ve built a lot of shaders, how do we attach these to our terrain though? Let’s take a look at how you can build a basic shader that integrates with Unity’s pre-built terrain tools.Sam Wronskifeatured imageunity3dshaderhttps://worldofzero.com/videos/i-learn-about-stencil-buffers-and-cutting-holes-in-things/Wed, 25 Apr 2018 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/i-learn-about-stencil-buffers-and-cutting-holes-in-things/How do you cut holes in solid geometry? You don’t… but you can fake it. To do that we’re going to use the Stencil Buffer.Sam Wronskifeatured imageunity3dshadergamehttps://worldofzero.com/videos/building-glsl-shaders-in-a-real-time-shader-editor-kodelife/Fri, 30 Mar 2018 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/building-glsl-shaders-in-a-real-time-shader-editor-kodelife/KodeLife is a powerful cross platform shader editor for Mac, PC or Linux. It overlays a text editor and debugger on top of the real-time results of your shader.Sam Wronskifeatured imageshaderlivecodetoolshttps://worldofzero.com/videos/wind-mapped-snow-dynamic-snow-in-unity-part-6/Thu, 22 Mar 2018 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/wind-mapped-snow-dynamic-snow-in-unity-part-6/Last video we added support for wind to blow snow across our terrain. That was cool but the implementation was fixed and required us to have wind move in a specific direction.Sam Wronskifeatured imageshaderunity3dhttps://worldofzero.com/videos/refracting-shield-impacts-lets-make-an-energy-shield-part-5/Fri, 16 Feb 2018 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/refracting-shield-impacts-lets-make-an-energy-shield-part-5/It’s time to add another layer to our Shield Shader. Projectiles are going to start causing distortions in the shield as they impact it instead of just pulsing a color along the shield.Sam Wronskifeatured imageshaderunity3dhttps://worldofzero.com/videos/tracks-in-the-snow-dynamic-snow-in-unity-part-1/Wed, 07 Feb 2018 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/tracks-in-the-snow-dynamic-snow-in-unity-part-1/You walk through a snow drift or throw a grenade into it. How do you deform it so your footprints last?Sam Wronskifeatured imageunity3dshaderhttps://worldofzero.com/videos/adding-custom-lighting-to-a-unity-particle-shader/Thu, 25 Jan 2018 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/adding-custom-lighting-to-a-unity-particle-shader/Lets make a shader that lets you add cool pseudo volumetric lighting to your particle effects. Imagine putting lights inside a cloud of smoke, because Unity’s particles always face you the lighting on a standard shader can be questionable.Sam Wronskifeatured imageunity3dshaderhttps://worldofzero.com/videos/exploring-the-unity-2018-visual-shader-editor/Thu, 11 Jan 2018 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/exploring-the-unity-2018-visual-shader-editor/Unity 2018’s beta was released earlier today and includes a number of exciting new features. One of them is a new visual shader editor called the Shader Graph.Sam Wronskifeatured imageunity3dshaderhttps://worldofzero.com/videos/attacking-the-shield-shader-lets-make-an-energy-shield-part-4/Tue, 09 Jan 2018 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/attacking-the-shield-shader-lets-make-an-energy-shield-part-4/We have a shield shader, but how do we get it to interact with the world. More plainly: how can we shoot our shield?Sam Wronskifeatured imageshaderunity3dcsharpdotnettutorialhttps://worldofzero.com/videos/combining-refraction-and-energy-shield-lets-make-an-energy-shield-part-3/Wed, 03 Jan 2018 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/combining-refraction-and-energy-shield-lets-make-an-energy-shield-part-3/Shields up! Let’s expand on our shield shader by merging our refraction shader and our existing energy shield shader together.Sam Wronskifeatured imageshaderunity3dhttps://worldofzero.com/videos/the-most-complicated-nothing-shader-unity-3d-grab-pass/Thu, 19 Oct 2017 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/the-most-complicated-nothing-shader-unity-3d-grab-pass/Grab Passes are a really complicated and expensive way to do nothing in a shader. A Grab Pass is an additional pass added to your shader that captures the scene and allows you to use that captured texture in your shader.Sam Wronskifeatured imageunity3dshadertutorialhttps://worldofzero.com/videos/shield-impact-marks-lets-make-an-energy-shield-part-2/Sat, 07 Oct 2017 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/shield-impact-marks-lets-make-an-energy-shield-part-2/Pew pew! Lets take the next step in building our shield shader. In this video we’ll be building two things.Sam Wronskifeatured imageunity3dshadertutorialhttps://worldofzero.com/videos/sending-arrays-to-shaders-lets-make-an-energy-shield-part-1/Fri, 29 Sep 2017 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/sending-arrays-to-shaders-lets-make-an-energy-shield-part-1/Lets start building a cool energy shield shader that can dynamically react to collisions and more. To begin we’ll be looking at how to pass collision information to our shield by sending an array of positions to our shader.Sam Wronskifeatured imageunity3dshaderhttps://worldofzero.com/videos/lets-make-a-dissolving-shader/Fri, 15 Sep 2017 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/lets-make-a-dissolving-shader/A mage blasts a rock with a magic missile, the magic engulfs the stone in flame and slowly tears it apart.Sam Wronskifeatured imageunity3dtutorialshaderhttps://worldofzero.com/videos/lets-make-a-hologram-shader/Thu, 17 Aug 2017 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/lets-make-a-hologram-shader/Lets make a hologram shader that can be used to draw any object as if it was a projection in some science fiction scene.Sam Wronskifeatured imageunity3dshaderhttps://worldofzero.com/videos/dungeon-building-summer-slow-jam-performance-a-game-in-a-stream-part-2/Sat, 22 Jul 2017 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/dungeon-building-summer-slow-jam-performance-a-game-in-a-stream-part-2/We are making a top down shooter. That’s cool right? But wait there is more! This isn’t just any top down shooter, this game isn’t even played on your computer!Sam Wronskifeatured imageunity3dcsharpdotnetlivestreamlivecodehackathonshaderhttps://worldofzero.com/videos/spherifying-our-vertex-shader/Fri, 14 Jul 2017 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/spherifying-our-vertex-shader/Expanding a vertex shader by allowing us to Clamp the distance of the vertices to a fixed distance. This effectively allows us to limit the model to a “sphere” or part of a sphere if we reduce the limit far enough.Sam Wronskifeatured imageunity3dshadertutorialhttps://worldofzero.com/videos/transformation-matrices-and-vertex-shaders/Thu, 13 Jul 2017 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/transformation-matrices-and-vertex-shaders/3D Rotational Matrices? What do they do? How do you use them? And more importantly what cool stuff can we make with them?Sam Wronskifeatured imageunity3dshadertutorialhttps://worldofzero.com/videos/lets-make-a-hypno-disc-shader-webgl-in-shadertoy/Thu, 29 Jun 2017 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/lets-make-a-hypno-disc-shader-webgl-in-shadertoy/Time for something a bit different. In this video we’ll delve into WebGL using a tool called ShaderToy, a great way to learn and experiment with shaders all from inside your web browser!Sam Wronskifeatured imageshadertutorialhttps://worldofzero.com/posts/shadertoy-hypnodisc/Wed, 28 Jun 2017 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Sun, 15 Nov 2020 15:50:39 -0800https://worldofzero.com/posts/shadertoy-hypnodisc/A Shadertoy shader creating a classic hypnotic disc effect. void mainImage( out vec4 fragColor, in vec2 fragCoord ) { // Calculate coordinate with 0,0 at middle of screen vec2 uv = (fragCoord - 0.Sam Wronskifeatured imageshaderhttps://worldofzero.com/videos/simulating-grass-physics-and-trampling-in-compute-shaders/Tue, 27 Jun 2017 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/simulating-grass-physics-and-trampling-in-compute-shaders/Adding a custom physics implementation to our grass renderer. This video adds a compute shader to simulate our grass individually.Sam Wronskifeatured imageunity3dcsharpdotnetshadertutorialhttps://worldofzero.com/videos/lets-make-a-blended-material-shader-voxel-terrain-part-12/Fri, 23 Jun 2017 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/lets-make-a-blended-material-shader-voxel-terrain-part-12/Lets improve our Voxel Terrain! Specifically, let’s start work on a shader that can shade our terrain. Our terrain uses each color channel from the vertices of our voxel mesh to designate a different material.Sam Wronskifeatured imageshaderunity3dtutorialhttps://worldofzero.com/videos/lets-make-conways-game-of-life-with-compute-shaders/Thu, 18 May 2017 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/lets-make-conways-game-of-life-with-compute-shaders/Conway’s Game of Life was created by John Horton Conway in 1970. It’s designed as a mathematical system capable of creating copies of itself.Sam Wronskifeatured imageunity3dshadertutorialhttps://worldofzero.com/videos/point-cloud-grass-lets-make-a-grass-renderer/Wed, 10 May 2017 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/point-cloud-grass-lets-make-a-grass-renderer/Lets say you want to render grass. A LOT of grass. How would you do it? In this video we’re going to try to solve that using a point cloud and a geometry shader.Sam Wronskifeatured imageunity3dshadertutorialhttps://worldofzero.com/videos/lets-make-a-grass-renderer/Tue, 09 May 2017 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/lets-make-a-grass-renderer/Lets look into how to add grass to terrain. We’re going to combine instanced rendering and raycasting to dynamically place grass on the terrain.Sam Wronskifeatured imageunity3dtutorialcsharpdotnetshaderhttps://worldofzero.com/videos/lets-make-a-contour-map-shader/Tue, 02 May 2017 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/lets-make-a-contour-map-shader/Let’s make a contour map shader by layering a number of planes and creating a simple shader to draw “slices” from a heightmap.Sam Wronskifeatured imageshaderunity3dhttps://worldofzero.com/videos/the-magic-revealing-flashlight-shader/Sat, 01 Apr 2017 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/the-magic-revealing-flashlight-shader/Let’s make a revealing shader that is normally blank and full transparent, but when you shine a light on it becomes revealed.Sam Wronskifeatured imageshaderunity3dhttps://worldofzero.com/videos/creating-a-triplanar-shader-asteroids-vr/Wed, 29 Mar 2017 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/creating-a-triplanar-shader-asteroids-vr/Asteroid’s VR needs a triplanar shader for its asteroids so we’re going to make one. Specifically we’re going to look at how to handle the projection onto a mesh without using UV’s.Sam Wronskifeatured imageshaderunity3dhttps://worldofzero.com/videos/lets-make-a-low-poly-planet-shader-world-of-zero-arcade-part-3/Tue, 28 Feb 2017 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/lets-make-a-low-poly-planet-shader-world-of-zero-arcade-part-3/Let’s align our planet shader a bit more with the style of our game. We’re aiming for a low poly style, the fairly common style of indie game devs lately.Sam Wronskifeatured imageshaderunity3dhttps://worldofzero.com/videos/getting-started-with-a-geometry-shader-lets-make-a-low-poly-shader-part-1/Thu, 16 Feb 2017 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/getting-started-with-a-geometry-shader-lets-make-a-low-poly-shader-part-1/There are two ways to accomplish a low poly, flat style in 3D graphics. The first is to modify the smoothing on the mesh so that normal’s aren’t smoothed out.Sam Wronskifeatured imageshaderunity3dhttps://worldofzero.com/videos/custom-lighting-and-planet-shadows-lets-make-an-asteroid-belt-part-3/Thu, 02 Feb 2017 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/custom-lighting-and-planet-shadows-lets-make-an-asteroid-belt-part-3/Time to dig into some custom lighting in Unity’s Surface Shaders. We’re going to be looking at how to cast shadows onto our planet ring shader, a transparent shader which normally would not have shadows.Sam Wronskifeatured imageshadertutorialhttps://worldofzero.com/videos/disco-planet-ring-shader-lets-make-an-asteroid-belt-part-1/Fri, 20 Jan 2017 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/disco-planet-ring-shader-lets-make-an-asteroid-belt-part-1/Asteroids VR needs an asteroid belt so we’re going to make one! In this video we’re going to begin work on our basic ring shader which will be used for drawing the planetary ring of asteroids at a long distance.Sam Wronskifeatured imageshaderunity3dhttps://worldofzero.com/videos/vertex-displacement-tessellation-mesh-displacement-part-3/Wed, 11 Jan 2017 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/vertex-displacement-tessellation-mesh-displacement-part-3/Time to finish off our experiment into mesh displacement. We’re going to update our tessellation shader to actually take advantage of the displacement map we developed in the previous video.Sam Wronskifeatured imageshaderhttps://worldofzero.com/videos/splat-deforming-vertex-shader-part-2/Thu, 24 Nov 2016 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/splat-deforming-vertex-shader-part-2/Continuing on from yesterday we’re going to be exploring our Squishy Sphere Shader. Specifically, in this video we’ll be updating our shader to squish a bit better.Sam Wronskifeatured imageshaderhttps://worldofzero.com/videos/squishy-sphere-deforming-vertex-shader-part-1/Wed, 23 Nov 2016 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/squishy-sphere-deforming-vertex-shader-part-1/Today we’re going to be working with vertex shaders, specifically we’re going to be developing what I’m calling Squishy Sphere.Sam Wronskifeatured imageshaderhttps://worldofzero.com/videos/a-portal-to-space-writing-a-transparent-portal-shader-in-unity/Wed, 02 Nov 2016 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/a-portal-to-space-writing-a-transparent-portal-shader-in-unity/We’re going to extend our portal. Specifically we’ll be adding a cool new shader to the portal. The shader is going to have all kinds of fun stuff in it.Sam Wronskifeatured imageshadertutorialhttps://worldofzero.com/videos/a-perfect-circle-building-a-flat-shader-in-unity-part-3/Thu, 20 Oct 2016 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/a-perfect-circle-building-a-flat-shader-in-unity-part-3/Let’s return to our flat shader. Today we’re going to be developing a perfect circle. At least, as perfect as we can make it.Sam Wronskifeatured imagetutorialshaderunity3dhttps://worldofzero.com/videos/doing-the-sin-wave-building-a-flat-shader-in-unity-part-4/Thu, 20 Oct 2016 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/doing-the-sin-wave-building-a-flat-shader-in-unity-part-4/Continuing with the perfect circle we were rendering let’s see what happens when we plug in other values! Specifically let’s plug in a sin wave and render that.Sam Wronskifeatured imageshaderunity3dhttps://worldofzero.com/videos/animating-mandelbrot-and-julia-sets-in-unity-fractal-shaders/Fri, 14 Oct 2016 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/animating-mandelbrot-and-julia-sets-in-unity-fractal-shaders/Let’s get back to work on our Fractal shaders! Specifically, let’s animate them. I’ve got an idea to use a subscriber based design so we can publish various “changes” to our material and dynamically update it.Sam Wronskifeatured imageshadercsharpdotnetunity3dhttps://worldofzero.com/videos/fractal-shaders-in-unity-mandelbrot-and-julia-set-surface-shaders/Fri, 30 Sep 2016 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/fractal-shaders-in-unity-mandelbrot-and-julia-set-surface-shaders/Starting with a classic XNA pixel shader which can generate both Mandelbrot and Julia fractals lets convert that into a Unity Surface Shader we can use in our Unity projects.Sam Wronskifeatured imageunity3dshaderhttps://worldofzero.com/videos/simulating-planetary-temperature-an-old-test-project/Thu, 22 Sep 2016 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/simulating-planetary-temperature-an-old-test-project/This is an old concept I made years ago to experiment with heating a planet. I discontinued work on this specific concept shortly after recording this, the design was not a good one, but I think it’s still interesting.Sam Wronskifeatured imageshaderdemogameunity3dtesthttps://worldofzero.com/videos/exploring-a-world-of-sound-twinkle-mid-jam-sample/Wed, 31 Aug 2016 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/exploring-a-world-of-sound-twinkle-mid-jam-sample/Twinkle is an open world sandbox audiogame based around sound. The game is being developed as a part of the Audiogame Jam which is still in progress.Sam Wronskifeatured imageunity3dhackathoncsharpdotnetshaderdemohttps://worldofzero.com/videos/crafting-the-borderlands-building-a-flat-shader-in-unity-part-2/Tue, 23 Aug 2016 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/crafting-the-borderlands-building-a-flat-shader-in-unity-part-2/Lets pick our flat shader back up. First we need to refactor the code we wrote during Part 1.Sam Wronskifeatured imageunity3dshaderhttps://worldofzero.com/videos/mission-start-building-a-flat-shader-in-unity-part-1/Thu, 18 Aug 2016 00:00:00 +0000contact@worldofzero.com (Sam Wronski)Tue, 19 Jan 2021 17:06:36 +0000https://worldofzero.com/videos/mission-start-building-a-flat-shader-in-unity-part-1/It’s been a few months since I’ve played with shaders in Unity. Let’s relearn how to make them together by building a relatively simple shader in Unity from start to finish!Sam Wronskifeatured imageunity3dshadertutorial