Demos: ensure all use fun main() = application {

- Adjust some demo window sizes.
- Replace Random.double by Double.uniform
- Tweak some demos so screenshots look more interesting

orx-shapes/src/jvmDemo/kotlin/adjust/DemoAdjustContour05.kt

@@ -6,31 +6,29 @@ import org.openrndr.extra.shapes.adjust.adjustContour
 import org.openrndr.shape.Circle
 import kotlin.math.cos
 
-fun main() {
-    application {
-        configure {
-            width = 800
-            height = 800
-        }
-        program {
-            extend {
-                var contour =
-                    Circle(drawer.bounds.center, 300.0).contour
+fun main() = application {
+    configure {
+        width = 800
+        height = 800
+    }
+    program {
+        extend {
+            var contour =
+                Circle(drawer.bounds.center, 300.0).contour
 
-                contour = adjustContour(contour) {
-                    selectEdges(0, 1, 2, 3)
-                    edges.forEachIndexed { index, it ->
-                        if (index == seconds.mod(4.0).toInt()) {
-                            it.replaceWith(0.5)
-                        } else {
-                            val v = cos(seconds) * 0.15 + 0.25
-                            it.sub(0.5 - v, 0.5 + v)
-                        }
+            contour = adjustContour(contour) {
+                selectEdges(0, 1, 2, 3)
+                edges.forEachIndexed { index, it ->
+                    if (index == seconds.mod(4.0).toInt()) {
+                        it.replaceWith(0.5)
+                    } else {
+                        val v = cos(seconds) * 0.15 + 0.25
+                        it.sub(0.5 - v, 0.5 + v)
                     }
                 }
-                drawer.stroke = ColorRGBa.RED
-                drawer.contour(contour)
             }
+            drawer.stroke = ColorRGBa.RED
+            drawer.contour(contour)
         }
     }
-}
+}