• Products
  • Solutions
  • Made with Unity
  • Learning
  • Support & Services
  • Community
  • Asset Store
  • Get Unity

UNITY ACCOUNT

You need a Unity Account to shop in the Online and Asset Stores, participate in the Unity Community and manage your license portfolio. Login Create account
  • Blog
  • Forums
  • Answers
  • Evangelists
  • User Groups
  • Beta Program
  • Advisory Panel

Navigation

  • Home
  • Products
  • Solutions
  • Made with Unity
  • Learning
  • Support & Services
  • Community
    • Blog
    • Forums
    • Answers
    • Evangelists
    • User Groups
    • Beta Program
    • Advisory Panel

Unity account

You need a Unity Account to shop in the Online and Asset Stores, participate in the Unity Community and manage your license portfolio. Login Create account

Language

  • Chinese
  • Spanish
  • Japanese
  • Korean
  • Portuguese
  • Ask a question
  • Spaces
    • Default
    • Help Room
    • META
    • Moderators
    • Topics
    • Questions
    • Users
    • Badges
  • Home /
avatar image
0
Question by awplays49 · Dec 28, 2015 at 01:24 AM · shaderverticescggradientfragment

Detailed gradient shader

Hello, I have a gradient shader but it is very low definition because it is in the vert constructor, I wrote in vert/frag cg, but how can I make it better?

 Shader "Custom/Spawn" {
 
     Properties 
     {
         _Color ("Color", Color) = (1,1,1,1)
         _HeightMin ("Min Height", float) = 0
         _HeightMax ("Max Height", float) = 1
         _Cutoff ("Alpha Cutoff", Range (0, 1)) = 0
     }
 
     SubShader 
     {
         Blend SrcAlpha OneMinusSrcAlpha
 
         Tags
         {
             "Queue" = "Transparent"
         }
 
         Pass
         {
             CGPROGRAM
 
             #pragma vertex vert
             #pragma fragment frag
 
             float4 _Color;
             float _HeightMin;
             float _HeightMax;
             float _Cutoff;
 
             struct VertexInput {
                 float4 vertex : POSITION;
             };
 
             struct VertexOutput {
                 float4 pos : POSITION;
                 float4 col : COLOR;
                 float4 texcoord : TEXCOORD0;
             };
 
             VertexOutput vert (VertexInput input) {
                 VertexOutput output;
                 output.col = _Color;
                 float vertexHeight = input.vertex.y;
                 if (vertexHeight < _HeightMin)
                 {
                     output.col.a = 1;
                 }
                 else
                 {
                     float alpha = lerp (0, 1, (_HeightMax - input.vertex.y) / (_HeightMax - _HeightMin));
                     if (alpha < 0)
                     {
                         alpha = 0;
                     }
                     output.col.a = alpha;
                 }
                 if (output.col.a < _Cutoff)
                 {
                     output.col.a = 0;
                 }
                 output.pos = mul (UNITY_MATRIX_MVP, input.vertex);
                 return output;
             }
 
             float4 frag (VertexOutput output) : COLOR {
                 return output.col;
             }
 
             ENDCG
         }
     }
 }
Comment
Add comment
10 |3000 characters needed characters left characters exceeded
▼
  • Viewable by all users
  • Viewable by moderators
  • Viewable by moderators and the original poster
  • Advanced visibility
Viewable by all users

0 Replies

· Add your reply
  • Sort: 

Your answer

Hint: You can notify a user about this post by typing @username

Up to 2 attachments (including images) can be used with a maximum of 524.3 kB each and 1.0 MB total.

Welcome to Unity Answers

If you’re new to Unity Answers, please check our User Guide to help you navigate through our website and refer to our FAQ for more information.

Before posting, make sure to check out our Knowledge Base for commonly asked Unity questions.

Check our Moderator Guidelines if you’re a new moderator and want to work together in an effort to improve Unity Answers and support our users.

Follow this Question

Answers Answers and Comments

37 People are following this question.

avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image

Related Questions

Projected Texture Shader Issues 1 Answer

Stop shader values from being clamped 1 Answer

_LightMatrix0 and Directional Light 1 Answer

What is the proper way of calculating attentuation in Unity3D non-surface shaders? 0 Answers

How to force the compilation of a shader in Unity? 5 Answers


Enterprise
Social Q&A

Social
Subscribe on YouTube social-youtube Follow on LinkedIn social-linkedin Follow on Twitter social-twitter Follow on Facebook social-facebook Follow on Instagram social-instagram

Footer

  • Purchase
    • Products
    • Subscription
    • Asset Store
    • Unity Gear
    • Resellers
  • Education
    • Students
    • Educators
    • Certification
    • Learn
    • Center of Excellence
  • Download
    • Unity
    • Beta Program
  • Unity Labs
    • Labs
    • Publications
  • Resources
    • Learn platform
    • Community
    • Documentation
    • Unity QA
    • FAQ
    • Services Status
    • Connect
  • About Unity
    • About Us
    • Blog
    • Events
    • Careers
    • Contact
    • Press
    • Partners
    • Affiliates
    • Security
Copyright © 2020 Unity Technologies
  • Legal
  • Privacy Policy
  • Cookies
  • Do Not Sell My Personal Information
  • Cookies Settings
"Unity", Unity logos, and other Unity trademarks are trademarks or registered trademarks of Unity Technologies or its affiliates in the U.S. and elsewhere (more info here). Other names or brands are trademarks of their respective owners.
  • Anonymous
  • Sign in
  • Create
  • Ask a question
  • Spaces
  • Default
  • Help Room
  • META
  • Moderators
  • Explore
  • Topics
  • Questions
  • Users
  • Badges