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/path3d/DemoPath3DProjection.kt

@@ -4,38 +4,31 @@ import org.openrndr.application
 import org.openrndr.color.ColorRGBa
 import org.openrndr.draw.LineJoin
 import org.openrndr.extra.camera.Orbital
-import org.openrndr.extra.noise.uniformRing
 import org.openrndr.extra.shapes.path3d.projectToContour
+import org.openrndr.math.Spherical
 import org.openrndr.math.Vector3
 import org.openrndr.shape.path3D
 
-fun main() {
-    application {
-        configure {
-            width = 720
-            height = 720
+fun main() = application {
+    program {
+        val path = path3D {
+            var p = Vector3(6.0, 0.0, 0.0)
+            moveTo(p)
+            for (i in 0 until 100) {
+                p = Spherical((i % 6) * 45.0, (i % 4 + 1) * 30.0 + i * 0.1, 6.0).cartesian
+                arcTo(5.0, cursor.atan2(p), false, false, p)
+            }
         }
-        program {
-            val path = path3D {
-                var p = Vector3(1.0, 0.0, 0.0)
-                moveTo(p * 6.0)
-                for (i in 0 until 400) {
-                    p += Vector3.uniformRing(0.2, 0.5)
-                    p = p.normalized
-                    arcTo(5.0, cursor.atan2(p * 6.0), false, false, p * 6.0)
-                }
-            }
-            extend(Orbital())
-            extend {
-                drawer.stroke = ColorRGBa.PINK
-                drawer.path(path)
-                val c = path.projectToContour(drawer.projection, drawer.view, width, height)
-                drawer.defaults()
-                drawer.stroke = ColorRGBa.WHITE
-                drawer.lineJoin = LineJoin.ROUND
-                drawer.strokeWeight = 2.0
-                drawer.contour(c)
-            }
+        extend(Orbital())
+        extend {
+            drawer.stroke = ColorRGBa.PINK
+            drawer.path(path)
+            val c = path.projectToContour(drawer.projection, drawer.view, width, height)
+            drawer.defaults()
+            drawer.stroke = ColorRGBa.WHITE
+            drawer.lineJoin = LineJoin.ROUND
+            drawer.strokeWeight = 2.0
+            drawer.contour(c)
         }
     }
-}
+}