[orx-shade-styles] Write comments on demos

orx-shade-styles/src/jvmDemo/kotlin/patterns/DemoPatterns03.kt

@@ -11,6 +11,10 @@ import org.openrndr.extra.shadestyles.fills.gradients.gradient
 import org.openrndr.extra.shadestyles.fills.patterns.pattern
 import kotlin.math.cos
 
+/**
+ * Demonstrates the use of a complex shade style made by combining an
+ * animated `pattern`, a `gradient` and a `clip`.
+ */
 fun main() = application {
     configure {
         width = 720
@@ -23,7 +27,7 @@ fun main() = application {
                 backgroundColor = ColorRGBa.DARK_GRAY
                 foregroundColor = ColorRGBa.PEACH_PUFF
                 patternUnits = FillUnits.WORLD
-                parameter("time", seconds*0.1)
+                parameter("time", seconds * 0.1)
                 scale = 0.2
                 crosses {
                     width = 1.0
@@ -35,7 +39,7 @@ fun main() = application {
                 stops[1.0] = ColorRGBa.BLACK
                 stops[0.5] = ColorRGBa.WHITE
                 stops[0.0] = ColorRGBa.WHITE
-                conic {  }
+                conic { }
             } + clip {
                 star {
                     sides = 36
@@ -53,7 +57,6 @@ fun main() = application {
 //            drawer.text("Patterns", 10.0, height / 2.0)
 
 
-
         }
     }
 }