[orx-noise] Tidy up demos

Produce 720px wide images.
Use main() = application { for reduced indentation

orx-noise/src/jvmDemo/kotlin/hash/DemoCircleHash01.kt

@@ -0,0 +1,30 @@
+package hash
+
+import org.openrndr.application
+import org.openrndr.extra.noise.shapes.hash
+import org.openrndr.extra.noise.shapes.uniform
+import org.openrndr.shape.Circle
+import kotlin.random.Random
+
+fun main() = application {
+    configure {
+        width = 720
+        height = 360
+    }
+    program {
+        extend {
+            val b = drawer.bounds
+            val b0 = b.sub(0.0, 0.0, 0.5, 1.0).offsetEdges(-10.0)
+            val b1 = b.sub(0.5, 0.0, 1.0, 1.0).offsetEdges(-10.0)
+
+            val c0 = Circle(b0.center, b0.width / 2.0)
+            val c1 = Circle(b1.center, b1.width / 2.0)
+
+            val r = Random(0)
+            for (i in 0 until 2000) {
+                drawer.circle(c0.uniform(r), 2.0)
+                drawer.circle(c1.hash(909, i), 2.0)
+            }
+        }
+    }
+}

orx-noise/src/jvmDemo/kotlin/hash/DemoRectangleHash01.kt

@@ -0,0 +1,27 @@
+package hash
+
+import org.openrndr.application
+import org.openrndr.extra.noise.shapes.hash
+import org.openrndr.extra.noise.shapes.uniform
+import kotlin.random.Random
+
+fun main() = application {
+    configure {
+        width = 720
+        height = 540
+    }
+    program {
+        extend {
+            val b = drawer.bounds
+            val b0 = b.sub(0.0, 0.0, 0.5, 1.0).offsetEdges(-10.0)
+            val b1 = b.sub(0.5, 0.0, 1.0, 1.0).offsetEdges(-10.0)
+
+            val r = Random(0)
+            for (i in 0 until 20000) {
+                drawer.circle(b0.uniform(r), 2.0)
+                drawer.circle(b1.hash(909, i), 2.0)
+
+            }
+        }
+    }
+}

orx-noise/src/jvmDemo/kotlin/hash/DemoUHash01.kt

@@ -0,0 +1,26 @@
+package hash
+
+import org.openrndr.application
+import org.openrndr.color.ColorRGBa
+import org.openrndr.extra.noise.fhash3D
+
+fun main() = application {
+    configure {
+        width = 720
+        height = 360
+    }
+    program {
+        extend {
+            drawer.points {
+                for (y in 0 until height) {
+                    for (x in 0 until width) {
+                        val c = fhash3D(100, x + (seconds * 60.0).toInt(), y, (0).toInt())
+                        //val u = uhash11(x.toUInt()).toDouble() / UInt.MAX_VALUE.toDouble()
+                        fill = ColorRGBa(c, c, c, 1.0)
+                        point(x.toDouble(), y.toDouble())
+                    }
+                }
+            }
+        }
+    }
+}