Add orx-timer

orx-timer/src/main/kotlin/Timer.kt

@@ -0,0 +1,23 @@
+package org.openrndr.extra.timer
+
+import kotlinx.coroutines.yield
+import org.openrndr.Program
+import org.openrndr.launch
+
+fun Program.timeOut(delayInSeconds: Double, action: () -> Unit) = repeat(1.0, 1, delayInSeconds, action)
+
+fun Program.repeat(intervalInSeconds: Double, count: Int? = null, initialDelayInSeconds: Double = 0.0, action: () -> Unit) {
+    val start = seconds + initialDelayInSeconds
+    var repetitions = 0
+
+    launch {
+        while (count == null || repetitions < count) {
+            val launchTime = start + repetitions * intervalInSeconds
+            while (seconds < launchTime) {
+                yield()
+            }
+            action()
+            repetitions++
+        }
+    }
+}