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Task/Munching-squares/D/munching-squares.d

@@ -0,0 +1,14 @@
+void main() {
+    import std.stdio;
+
+    enum width = 512, height = 512;
+
+    auto f = File("xor_pattern.ppm", "wb");
+    f.writefln("P6\n%d %d\n255", width, height);
+    foreach (immutable y; 0 .. height)
+        foreach (immutable x; 0 .. width) {
+            immutable c = (x ^ y) & ubyte.max;
+            immutable ubyte[3] u3 = [255 - c, c / 2, c];
+            f.rawWrite(u3);
+        }
+}