Sunflower fractal: Difference between revisions

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@@ Line 934: / Line 934: @@
 img.write(file => "sunflower.png")</lang>
 Output image: [https://github.com/trizen/rc/blob/master/img/sunflower-sidef.png Sunflower fractal]
+=={{header|Vlang}}==
+<lang vlang>import gg
+import gx
+import math
+fn main() {
+    mut context := gg.new_context(
+        bg_color: gx.rgb(255, 255, 255)
+        width: 400
+        height: 400
+        frame_fn: frame
+    )
+    context.run()
+}
+fn frame(mut ctx gg.Context) {
+    ctx.begin()
+    c := (math.sqrt(5) + 1) / 2
+    num_of_seeds := 3000
+    for i := 0; i <= num_of_seeds; i++ {
+        mut fi := f64(i)
+        n := f64(num_of_seeds)
+        r := math.pow(fi, c) / n
+        angle := 2 * math.pi * c * fi
+        x := r*math.sin(angle) + 200
+        y := r*math.cos(angle) + 200
+        fi /= n / 5
+        ctx.draw_circle_filled(f32(x), f32(y), f32(fi), gx.black)
+    }
+    ctx.end()
+}</lang>
 =={{header|Wren}}==