Remove unnecessary uses of "takeScreenshot" (#349)

orx-fx/src/jvmDemo/kotlin/DemoFluidDistort01.kt

@@ -1,6 +1,7 @@
 import org.openrndr.application
 import org.openrndr.draw.colorBuffer
 import org.openrndr.draw.createEquivalent
+import org.openrndr.extensions.SingleScreenshot
 import org.openrndr.extra.fx.distort.FluidDistort
 import org.openrndr.extra.fx.patterns.Checkers
 
@@ -8,15 +9,21 @@ fun main() {
     application {
         program {
             val fd = FluidDistort()
-            val checkers =  Checkers()
+            val checkers = Checkers()
 
             val image = colorBuffer(width, height)
             val distorted = image.createEquivalent()
             checkers.size = 64.0
             checkers.apply(emptyArray(), image)
 
+            if (System.getProperty("takeScreenshot") == "true") {
+                extensions.filterIsInstance<SingleScreenshot>().forEach {
+                    it.delayFrames = 150
+                }
+            }
             extend {
-                fd.blend = mouse.position.x/width
+                // Ensure >0.01 for a better screenshot
+                fd.blend = (mouse.position.x / width).coerceAtLeast(0.01)
                 fd.apply(image, distorted)
                 drawer.image(distorted)
             }

orx-fx/src/jvmDemo/kotlin/DemoLaserBlur01.kt

@@ -20,12 +20,6 @@
 //    }
 //
 //    program {
-//        if (System.getProperty("takeScreenshot") == "true") {
-//            extend(SingleScreenshot()) {
-//                this.outputFile = System.getProperty("screenshotPath")
-//            }
-//        }
-//
 //        val gui = GUI()
 //        val c = compose {
 //            layer {