Initial data commit

Task/Plasma-effect/Sidef/plasma-effect.sidef

@@ -0,0 +1,25 @@
+require('Imager')
+
+class Plasma(width=400, height=400) {
+
+    has img = nil
+
+    method init {
+        img = %O|Imager|.new(xsize => width, ysize => height)
+    }
+
+    method generate {
+        for y=(^height), x=(^width) {
+            var hue = (4 + sin(x/19) + sin(y/9) + sin((x+y)/25) + sin(hypot(x, y)/8))
+            img.setpixel(x => x, y => y, color => Hash(hsv => [360 * hue / 8, 1, 1]))
+        }
+    }
+
+    method save_as(filename) {
+        img.write(file => filename)
+    }
+}
+
+var plasma = Plasma(256, 256)
+plasma.generate
+plasma.save_as('plasma.png')