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  1. bgolus
    Post

    Question How to calculate how much of object is visible to camera (how much camera is zoomed in to object)

    Here's what the above looks like using a grid texture that comes with Unity's starter assets. (And some adjustments to the shader's default...
    Post by: bgolus, Oct 9, 2023 at 2:09 AM in forum: Shaders
  2. bgolus
    Post

    Question How to calculate how much of object is visible to camera (how much camera is zoomed in to object)

    There are a number of ways to go about this. And what you're doing it's an entirely terrible option. However for perspective or orthographic...
    Post by: bgolus, Oct 9, 2023 at 2:06 AM in forum: Shaders
  3. bgolus
    Post

    Bug Shadows not rendering like its suppose to

    I'm somewhat concerned with that line. Using a curved world modification to the main shader, but not having a custom shadow caster pass that also...
    Post by: bgolus, Oct 6, 2023 at 9:52 PM in forum: Shaders
  4. bgolus
    Post

    Question Issues with both shadows and alpha cutoffs in Surface Shaders.

    https://www.ronja-tutorials.com/post/042-dithering/
    Post by: bgolus, Oct 4, 2023 at 5:53 PM in forum: Shaders
  5. bgolus
    Post

    Question Issues with both shadows and alpha cutoffs in Surface Shaders.

    Order doesn’t matter, no. However you can’t just use the Standard shader’s shadow pass unmodified, because by default it’s not going to do...
    Post by: bgolus, Oct 4, 2023 at 9:21 AM in forum: Shaders
  6. bgolus
    Post

    Question Issues with both shadows and alpha cutoffs in Surface Shaders.

    Neither shader are using the alpha from the texture. Only the _Color property's alpha value. You want to do something like this: fixed4 col =...
    Post by: bgolus, Oct 3, 2023 at 9:55 PM in forum: Shaders
  7. bgolus
    Post

    Resolved Converting a clip-space point to world-space?

    Unity’s Standard shader uses UNITY_TRANSFER_FOG_COMBINED_WITH_EYE_VEC
    Post by: bgolus, Oct 1, 2023 in forum: Shaders
  8. bgolus
    Post

    Resolved Converting a clip-space point to world-space?

    Yes, it’s possible. The harder part you’re going to run into is Unity only needs a single float value for fog, and there are lots of places where...
    Post by: bgolus, Oct 1, 2023 in forum: Shaders
  9. bgolus
    Post

    Question 2D Billboarded Sprite sorting in 3D environment?

    I have a shader based solution here, and there's additional discussion about other approaches in the thread....
    Post by: bgolus, Sep 30, 2023 in forum: Shaders
  10. bgolus
    Post

    Resolved Convert object UV to screen space UV to apply distortion in a specific area

    Yeah, there's some weirdness with screen space UVs between DirectX and OpenGL. The BIRP version should work properly between both APIs, but the...
    Post by: bgolus, Sep 28, 2023 in forum: Shaders
  11. bgolus
    Post

    infinite mirror effect

    https://www.shadertoy.com/view/7tccR7 https://iquilezles.org/articles/sdfrepetition/
    Post by: bgolus, Sep 28, 2023 in forum: Shaders
  12. bgolus
    Post

    Question Transparent and Opaque object render

    3a. Yes, alpha tested shaders write to the depth buffer anywhere it's not discarded. Note that this is usually more than just where the alpha was...
    Post by: bgolus, Sep 27, 2023 in forum: Shaders
  13. bgolus
    Post

    Question Transparent and Opaque object render

    1. If a surface has written to the depth buffer prior to and closer to the current fragment, it'll be skipped. So yes, your understanding is...
    Post by: bgolus, Sep 26, 2023 in forum: Shaders
  14. bgolus
    Post

    x,y, and z axis orientation inside shader

    This thread is over 7 years old and predates Shader Graph even existing by several years. Also, you shouldn't use the Channel Mixer node to swap...
    Post by: bgolus, Sep 26, 2023 in forum: Shaders
  15. bgolus
    Post

    Question SV_Depth values look okay in Scene view, but wrong in Game view?

    Try this instead: float4 clipPos = UnityWorldToClipPos(pt + i.middleWorld); depth = clipPos.z / clipPos.w;
    Post by: bgolus, Sep 25, 2023 in forum: Shaders
  16. bgolus
    Post

    Question Clip one cube with two plane arrays and keep positive sides?

    The update loop doesn't make any sense to me. You're rendering one cube multiple times, once for each plane in the array, only assigning one plane...
    Post by: bgolus, Sep 22, 2023 in forum: Shaders
  17. bgolus
    Post

    Question modification of the standard terrain shader

    My favorite bit of graphics programmer advice is "always have an even number of sign errors".
    Post by: bgolus, Sep 22, 2023 in forum: Shaders
  18. bgolus
    Post

    Question Trail isn't smooth

    Don't scale trails if you can help it. Always fade it out. What you're seeing is an artifact of how UVs are interpolated across the triangles that...
    Post by: bgolus, Sep 22, 2023 in forum: Shaders
  19. bgolus
    Post

    Question modification of the standard terrain shader

    Again, the correct solution is to not do what you're trying to do, and instead modify the shader elsewhere to remove the code that applies the...
    Post by: bgolus, Sep 22, 2023 in forum: Shaders
  20. bgolus
    Post

    Question How can I create a shader that mirrors a mesh across an axis? (URP)

    No. You cannot generate new mesh vertices in a Shader Graph shader. What version of Unity & URP are you using, because meshes inverting when...
    Post by: bgolus, Sep 20, 2023 in forum: Shaders
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