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/bezierpatch/DemoBezierPatch03.kt

@@ -15,44 +15,42 @@ import org.openrndr.shape.ShapeContour
  * In this case the contours are regular stars and the bezier patch
  * is created using a circular contour with the required 4 segments.
  */
-fun main() {
-    application {
-        configure {
-            width = 800
-            height = 800
-        }
-        program {
-            val bp = bezierPatch(
-                Circle(width / 2.0, height / 2.0, 350.0).contour
-            )
-            val star = regularStarRounded(
-                7, 30.0, 40.0,
-                0.5, 0.5
-            )
+fun main() = application {
+    configure {
+        width = 800
+        height = 800
+    }
+    program {
+        val bp = bezierPatch(
+            Circle(width / 2.0, height / 2.0, 350.0).contour
+        )
+        val star = regularStarRounded(
+            7, 30.0, 40.0,
+            0.5, 0.5
+        )
 
-            extend {
-                drawer.clear(ColorRGBa.PINK)
+        extend {
+            drawer.clear(ColorRGBa.PINK)
 
-                // draw grid
-                for (i in 0..50) {
-                    drawer.stroke = ColorRGBa.BLACK
-                    drawer.contour(bp.horizontal(i / 50.0))
-                    drawer.contour(bp.vertical(i / 50.0))
-                }
+            // draw grid
+            for (i in 0..50) {
+                drawer.stroke = ColorRGBa.BLACK
+                drawer.contour(bp.horizontal(i / 50.0))
+                drawer.contour(bp.vertical(i / 50.0))
+            }
 
-                // draw stars
-                drawer.fill = ColorRGBa.PINK
-                for (j in 1 until 10) {
-                    for (i in 1 until 10) {
-                        val starMoved = star.transform(
-                            transform {
-                                translate(j * width / 10.0, i * height / 10.0)
-                            }
-                        )
-                        drawer.contour(bp.distort(starMoved, drawer.bounds))
-                    }
+            // draw stars
+            drawer.fill = ColorRGBa.PINK
+            for (j in 1 until 10) {
+                for (i in 1 until 10) {
+                    val starMoved = star.transform(
+                        transform {
+                            translate(j * width / 10.0, i * height / 10.0)
+                        }
+                    )
+                    drawer.contour(bp.distort(starMoved, drawer.bounds))
                 }
             }
         }
     }
-}
+}