Tagged Questions

0
votes
0answers
28 views

Unity - Help Shader texture coordinate

I am making a 2D water shader. For this, I use GrabPass which works well. But I am facing an issue. If I want to display the GrabPass texture I have to create my own texture coordinates because ...
0
votes
0answers
42 views

Unity Shader GrabPass alternative

Is there an alternative for the heavy GrabPass method ? Is there a solution to avoid the foreground issue ? I mean when using GrabPass, if the refracted object is in front of the bumpy refractor, he ...
0
votes
2answers
188 views

2D Water Shader

I am trying to build a 2D Water shader and I am using Unity but the plateform isn't a problem. Here is an example of what I am trying to reproduce : Limbo water shader Are there any good tutorial or ...
1
vote
1answer
88 views

“lerp” returning value (Shader)?

I don't understand the lerp example in this code : if(dot(WorldNormalVector(IN, o.Normal), _SnowDirection.xyz)>=lerp(1,-1,_Snow)) o.Albedo = _SnowColor.rgb; else ...
0
votes
1answer
156 views

How to do Triplanar Texturing

Ok maybe i'm missing something because its getting late and i've been programming now for about 72 hours straight (minus a nap or 2) ... I'm trying to write a shader for unity that will apply ...
3
votes
1answer
224 views

Does Unity's “Transparent Bumped Specular” translate to “semi-shiny must be semi-transparent”?

Unity's documentation for the "Transparent Bumped Specular" shader/material-type is simply a concatenation of each of the descriptions for its Transparent and Specular Shaders (and also Bumped, but ...
3
votes
1answer
92 views

Messed up UVs in Unity3D for Android

All of my quads appear correctly textured on the Unity3D editor, a Motorola Xoom Android tablet, and on an iPad 2: But on our Samsung Galaxy Mini 2 smartphone they kinda look like this: I wrote ...
2
votes
1answer
2k views

Unity3D draw call optimization : static batching VS manually draw mesh with MaterialPropertyBlock

I've read Unity3D draw call batching documentation. I understood it, and I want to use it (or something similar) in order to optimize my application. My situation is the following: I'm drawing ...
2
votes
1answer
543 views

Blur shader without render textures?

Is it possible to append a blur shader to a standard (diffuse) shader ? I am looking for a way to do this as Unity indie doesn't allow render textures.
4
votes
1answer
718 views

Custom shadow mapping in Unity 3D Free Edition

Since real time hard and soft shadows are Unity 3D Pro only features I thought I will learn Cg programming and create my own shadow mapping shader. But after some digging I found that the shadow ...
6
votes
1answer
321 views

Huge 2d pixelized world

I would like to make a game field in a indie-strategic 2d game to be some a-like this popular picture. So every "pixel"(blocks) changes it's color slowly, sometimes a bright color wave happens, etc, ...
10
votes
2answers
877 views

Why are trees shining in background?

Currently I am creating a forest scene in the dark, and the trees are shining far away, but when I get close they are fine. I have the shaders set to "Nature/Tree Soft Occlusion [bark/leaves]", but ...
1
vote
1answer
482 views

What kind of shader is this?

Cube World uses a pretty good looking shader, I especially like the shading of the characters: Is this soft shading? I'd like to achieve this effect in Unity 3D Free, but since the free version ...
2
votes
1answer
760 views

Unity custom shaders and z-fighting

I've just readed a chapter of Unity iOS Essential by Robert Wiebe. It shows a solution for handling z-figthing problem occuring while rendering a street on a plane with the same y offset. Basically ...
6
votes
2answers
1k views

Billboard shader without distortion

I use the standard approach to billboarding within Unity that is OK, but not ideal: transform.LookAt(camera). The problem is that this introduces distortion toward the edges of the viewport, ...
30
votes
2answers
2k views

How to render realistic ice?

I am trying to write an ice shader in Unity that looks good and at least semi-realistic. If the following shot (found on Google) was CG, what would its shader include? (the foreground cave). I might ...
1
vote
0answers
223 views

Unity surf shader not rendering

I have created a default surface shader in unity and added a texture but it is not rendering. If i switch to a diffuse shader i see the texture but my shader is just black. Shader "TestShader" { ...
1
vote
0answers
378 views

How can I use the dualforward parameter in my unity shader to use lightmaps and normal maps together?

I'm using the free version of unity and I would like to combine lightmaps with specularity and normal maps. After doing a -bunch- of research, I've figured out that there doesn't seem to be any easy ...
3
votes
1answer
691 views

How'd they do it: TF2 payload cart glow?

How did the creators of TF2 make the glow on the payload cart visible through walls? Is it possible to implement this in Unity's shaderlab?
4
votes
3answers
4k views

shader tutorial for unity

I would like to start developing my own shaders within unity. For starters I would like to do a screen spaced blur. Are there any good tutorials to learn shader development besides the official ...