Make first square always be transparent

This is to make patterns at extreme skew values look similar.

1 files changed, 2 insertions, 1 deletions

diff --git a/src/hitomezashi.rs b/src/hitomezashi.rs
index dede1ac..24a59be 100644
--- a/src/hitomezashi.rs
+++ b/src/hitomezashi.rs
@@ -34,7 +34,8 @@ pub fn hitomezashi(width: usize, height: usize, skew: Option<f64>) {
 	let mut rng = rand::thread_rng();
 	let brn = Bernoulli::new(skew).unwrap();
 
-	let init_bit: bool = rng.gen::<bool>();
+	// the first square (upper left corner) is always transparent
+	let init_bit: bool = true;
 	let mut row_bits: Vec<bool> = Vec::with_capacity(height - 1);
 	let mut col_bits: Vec<bool> = Vec::with_capacity(width - 1);