GraphToy formulas

davesmith00000 · Nov 29, 2023 · 61acce4 · 61acce4
1 parent 9b457a2
commit 61acce4
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diff --git a/shaders/patterns/rainbow/src/Rainbow.scala b/shaders/patterns/rainbow/src/Rainbow.scala
@@ -32,6 +32,11 @@ object CustomShader:
 
   import ultraviolet.syntax.*
 
+  /*
+    GraphToy:
+    1.0 - step(0.5, x)
+  */
+
   @SuppressWarnings(Array("scalafix:DisableSyntax.var"))
   inline def fragment: Shader[FragmentEnv, Unit] =
     Shader[FragmentEnv] { env =>

diff --git a/shaders/shapes/doughnut-normal/src/DoughnutNormal.scala b/shaders/shapes/doughnut-normal/src/DoughnutNormal.scala
@@ -32,6 +32,11 @@ object CustomShader:
 
   import ultraviolet.syntax.*
 
+  /*
+  GraphToy:
+  ((cos((x - 0.25) * PI * 4.0) * 0.5) + 0.5) * min(step(-0.5, x), 1.0 - step(0.5, x))
+   */
+
   inline def fragment: Shader[FragmentEnv, Unit] =
     Shader[FragmentEnv] { env =>
 

diff --git a/shaders/shapes/doughnut/src/Doughnut.scala b/shaders/shapes/doughnut/src/Doughnut.scala
@@ -32,6 +32,11 @@ object CustomShader:
 
   import ultraviolet.syntax.*
 
+  /*
+  GraphToy:
+  ((cos(x * PI * 2.0) * 0.5) + 0.5) * min(step(-0.5, x), 1.0 - step(0.5, x))
+   */
+
   // Based on work by Inigo Quilez
   // https://iquilezles.org/articles/distfunctions2d/
   inline def fragment: Shader[FragmentEnv, Unit] =