Initial project import

tools/v/examples/wasm/mandelbrot/mandelbrot.wasm.v

@@ -0,0 +1,44 @@
+// vtest build: false // requires special compilation flags: `-b wasm -os browser`
+fn JS.canvas_x() int
+fn JS.canvas_y() int
+fn JS.setpixel(x int, y int, c f64)
+
+// `main` must be public!
+pub fn main() {
+	println('starting main.main...')
+
+	max_x := JS.canvas_x()
+	max_y := JS.canvas_y()
+	middle_x := max_x / 2
+	middle_y := max_y / 2
+
+	mut y := 0
+	for y < max_y {
+		y += 1
+		mut x := 0
+		for x < max_x {
+			x += 1
+
+			e := (f64(y) / middle_y) - 1.5
+			f := (f64(x) / middle_x) - 1.0
+
+			mut a := 0.0
+			mut b := 0.0
+			mut i := 0.0
+			mut j := 0.0
+			mut c := 0.0
+
+			for i * i + j * j < 4 && c < 255 {
+				i = a * a - b * b + e
+				j = 2 * a * b + f
+				a = i
+				b = j
+				c += 1
+			}
+
+			JS.setpixel(x, y, c)
+		}
+	}
+	// TODO: remove the need for panic here:
+	panic('reached the end of main.main')
+}