Data update

Task/Plasma-effect/EasyLang/plasma-effect.easy

@@ -0,0 +1,20 @@
+# lodev.org/cgtutor/plasma.html (last example)
+func dist a b c d .
+   d1 = a - c ; d2 = b - d
+   return 15 * sqrt (d1 * d1 + d2 * d2)
+.
+on animate
+   for y = 0 step 0.4 to 100
+      for x = 0 step 0.4 to 100
+         val = sin dist (x + time) y 50 50
+         val += sin dist x y 25 25
+         val += sin (dist x (y + time / 7) 75 50 * 1.2)
+         val += sin dist x y 75 40
+         col = (val + 4) / 16
+         color3 col col * 2 1 - col
+         move x y
+         rect 0.5 0.5
+      .
+   .
+   time += 1
+.