[orx-olive] Add DemoWindowedGUI01.kt

orx-jvm/orx-olive/src/demo/kotlin/DemoOlive01.kt

@@ -1,27 +1,40 @@
 import org.openrndr.Extension
-import org.openrndr.Program
 import org.openrndr.application
-
+import org.openrndr.color.ColorRGBa
 import org.openrndr.extensions.SingleScreenshot
-import org.openrndr.extra.olive.Olive
+import org.openrndr.extra.olive.oliveProgram
+import kotlin.math.cos
 
-fun main() = application {
-    configure {
-        width = 768
-        height = 576
-    }
-    program {
-
-        extend(Olive<Program>()) {
-            script = "orx-olive/src/demo/kotlin/demo-olive-01.kts"
-            // -- this block is for automation purposes only
-            if (System.getProperty("takeScreenshot") == "true") {
-                scriptLoaded.listen {
+/**
+ * Live-coding with [oliveProgram]
+ */
+fun main() {
+    application {
+        configure {
+            width = 1280
+            height = 720
+        }
+        oliveProgram {
+            extend {
+                drawer.clear(ColorRGBa.GRAY)
+                drawer.fill = ColorRGBa.WHITE
+                for (i in 0 until 100) {
+                    drawer.circle(
+                        width / 2.0 + cos(seconds + i) * 320.0,
+                        i * 7.2,
+                        cos(i + seconds * 0.5) * 20.0 + 20.0
+                    )
+                }
+            }
+        }
+            // -- this is only needed for the automated screenshots
+            .olive.scriptLoaded.listen {
+                if (System.getProperty("takeScreenshot") == "true") {
                     // -- this is a bit of hack, we need to push the screenshot extension in front of the olive one
-                    fun <T : Extension> Program.extendHead(extension: T, configure: T.() -> Unit): T {
-                        extensions.add(0, extension)
+                    fun <T : Extension> extendHead(extension: T, configure: T.() -> Unit): T {
+                        program.extensions.add(0, extension)
                         extension.configure()
-                        extension.setup(this)
+                        extension.setup(program)
                         return extension
                     }
                     extendHead(SingleScreenshot()) {
@@ -29,6 +42,5 @@ fun main() = application {
                     }
                 }
             }
-        }
     }
 }