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-jvm/orx-realsense2/src/demo/kotlin/DemoRS202.kt

@@ -11,35 +11,33 @@ import org.openrndr.extra.realsense2.RS2Sensor
  *
  * Tested with two sensors, only uses depth stream now
  */
-fun main() {
-    application {
-        configure {
-            width = 1280
-            height = 720
+fun main() = application {
+    configure {
+        width = 1280
+        height = 720
+    }
+    program {
+        val sensorDescriptions = RS2Sensor.listSensors()
+
+        val sensors = sensorDescriptions.map {
+            it.open()
         }
-        program {
-            val sensorDescriptions = RS2Sensor.listSensors()
 
-            val sensors = sensorDescriptions.map {
-                it.open()
+        val depthFrames = sensors.map {
+            colorBuffer(640, 480, format = ColorFormat.R, type = ColorType.UINT16)
+        }
+        sensors.forEachIndexed { index, it ->
+            it.depthFrameReceived.listen {
+                it.copyTo(depthFrames[index])
             }
-
-            val depthFrames = sensors.map {
-                colorBuffer(640, 480, format = ColorFormat.R, type = ColorType.UINT16)
-            }
-            sensors.forEachIndexed { index, it ->
-                it.depthFrameReceived.listen {
-                    it.copyTo(depthFrames[index])
-                }
-            }
-            extend {
-                drawer.drawStyle.colorMatrix = tint(ColorRGBa.WHITE.shade(20.0))
-                for ((index, sensor) in sensors.withIndex()) {
-                    sensor.waitForFrames()
-                    drawer.image(depthFrames[index])
-                    drawer.translate(640.0, 0.0)
-                }
+        }
+        extend {
+            drawer.drawStyle.colorMatrix = tint(ColorRGBa.WHITE.shade(20.0))
+            for ((index, sensor) in sensors.withIndex()) {
+                sensor.waitForFrames()
+                drawer.image(depthFrames[index])
+                drawer.translate(640.0, 0.0)
             }
         }
     }
-}
+}