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/primitives/DemoTear01.kt

@@ -8,24 +8,22 @@ import org.openrndr.math.Vector2
 import org.openrndr.shape.Circle
 import kotlin.random.Random
 
-fun main() {
-    application {
-        configure {
-            width = 720
-            height = 720
+fun main() = application {
+    configure {
+        width = 720
+        height = 720
+    }
+    program {
+        val points = drawer.bounds.scatter(40.0, distanceToEdge = 150.0, random = Random(0))
+        val tears = points.map {
+            Tear(it - Vector2(0.0, 20.0), Circle(it + Vector2(0.0, 20.0), 20.0))
         }
-        program {
-            val points = drawer.bounds.scatter(40.0, distanceToEdge = 150.0, random = Random(0))
-            val tears = points.map {
-                Tear(it - Vector2(0.0, 20.0), Circle(it + Vector2(0.0, 20.0), 20.0))
-            }
 
-            extend {
-                drawer.clear(ColorRGBa.BLACK)
-                drawer.fill = ColorRGBa.PINK
-                drawer.stroke = ColorRGBa.WHITE
-                drawer.contours(tears.map { it.contour })
-            }
+        extend {
+            drawer.clear(ColorRGBa.BLACK)
+            drawer.fill = ColorRGBa.PINK
+            drawer.stroke = ColorRGBa.WHITE
+            drawer.contours(tears.map { it.contour })
         }
     }
-}
+}