• 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 /
  • Help Room /
avatar image
0
Question by neutralmouse01 · Dec 05, 2019 at 06:33 PM · 2dshaderspritespriterenderermasking

Stencil Buffer not working with SpriteMask

Hi all,

I'm pretty new to Unity, so please be forgiving as I have no idea what I am doing here. I have a circular sprite inside of a larger rectangle sprite, which has a SpriteMask set up to keep the circle inside the rectangle. I also have the circle (which is semi-transparent) using a custom shader I found on Reddit a couple weeks ago (I can't find it right now, if I find it I will link it here) that stops it from blending alphas with other sprites. Here it is:

 Shader "Custom/ShadowShader" {
      Properties {
          [PerRendererData] _MainTex ( "Sprite Texture", 2D ) = "white" {}
          _Color ( "Tint", Color ) = ( 1, 1, 1, 1 )
          [MaterialToggle] PixelSnap ("Pixel snap", Float) = 0
      }
      
      SubShader {
         Tags { "Queue"="Transparent"
             "IgnoreProjector" = "True"
               "RenderType" = "TransparentCutout"
               "PreviewType" = "Plane"
               "CanUseSpriteAtlas" = "True" }
          Cull Off
             Lighting Off
             ZWrite Off
              Blend SrcAlpha OneMinusSrcAlpha
            
         Pass {
            Stencil {
                 Ref 4
                 Comp NotEqual
                 Pass Replace
             }
              CGPROGRAM
 
              #pragma vertex vert
              #pragma fragment frag
              #pragma multi_compile _ PIXELSNAP_ON
              #include "UnityCG.cginc"
              
              uniform sampler2D _MainTex;
              
              struct v2f {
                  half4 pos : POSITION;
                  half2 uv : TEXCOORD0;
                  fixed4 color : COLOR;
              };
 
              fixed4 _Color;
 
              v2f vert(appdata_img v) {
                  v2f o;
                  o.pos = UnityObjectToClipPos (v.vertex);
                  half2 uv = MultiplyUV( UNITY_MATRIX_TEXTURE0, v.texcoord );
                  o.uv = uv;
                  o.color = _Color;
                  return o;
              }
 
              half4 frag (v2f i) : COLOR {
                 half4 color = tex2D(_MainTex, i.uv);
                 if (color.a == 0.0)
                     discard;
                 color = _Color;
                 return color;
 
                 
             }
 
              ENDCG
         }
 
     }
  
     Fallback off
 }

Here's where the problem arises, probably due to the stencil buffer. When I turn the SpriteMask on the rectangle off, this happens (the 2 circles are 2 different sprites): alt text However, when I use the SpriteMask, the shader stops working: alt text How can I fix this? Any help is appreciated!

screen-shot-2019-12-05-at-121744-pm.png (14.5 kB)
screen-shot-2019-12-05-at-121721-pm.png (14.9 kB)
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

The best place to ask and answer questions about development with Unity.

To help users navigate the site we have posted a site navigation guide.

If you are a new user to Unity Answers, check out our FAQ for more information.

Make sure to check out our Knowledge Base for commonly asked Unity questions.

If you are a moderator, see our Moderator Guidelines page.

We are making improvements to UA, see the list of changes.



Follow this Question

Answers Answers and Comments

379 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 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 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 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 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 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 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 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 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 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 avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image

Related Questions

Inverse Sprite Maskin 0 Answers

Shader invert sprite colors 2D 1 Answer

Increase thickness of outlines 0 Answers

Make Sprites Invisible without Disabling SpriteRenderer and without Masking 2 Answers

Sprite does not appear when using Color property in Shader graph (Sprite Lit Master Graph) 0 Answers

  • Anonymous
  • Sign in
  • Create
  • Ask a question
  • Spaces
  • Default
  • Help Room
  • META
  • Moderators
  • Explore
  • Topics
  • Questions
  • Users
  • Badges