michael/pathfinder
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pathfinder
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This commit is contained in:
Patrick Walton 2019-02-06 13:46:19 -08:00
parent b5c73f25f0
commit 6920583086
1 changed files with 9 additions and 9 deletions
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18
geometry/src/dilation.rs
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@ -25,28 +25,28 @@ impl<'a> ContourDilator<'a> {
}
pub fn dilate(&mut self) {
println!("---");
//println!("---");
let scale = self.amount.scale_xy(match self.orientation {
Orientation::Ccw => Point2DF32::new( 1.0, -1.0),
Orientation::Cw => Point2DF32::new(-1.0, 1.0),
});
let input = self.contour.clone();
//let input = self.contour.clone();
let first_position = input.position_of(0);
let first_position = self.contour.position_of(0);
let mut prev_point_index = 0;
let mut prev_position;
loop {
prev_point_index = input.prev_point_index_of(prev_point_index);
prev_position = input.position_of(prev_point_index);
prev_point_index = self.contour.prev_point_index_of(prev_point_index);
prev_position = self.contour.position_of(prev_point_index);
if prev_point_index == 0 || prev_position != first_position {
break;
}
}
// Find the starting position.
let first_point_index = input.next_point_index_of(prev_point_index);
let first_point_index = self.contour.next_point_index_of(prev_point_index);
let mut current_point_index = first_point_index;
let mut position = first_position;
@ -57,12 +57,12 @@ impl<'a> ContourDilator<'a> {
let mut next_point_index = current_point_index;
let mut next_position;
loop {
next_point_index = input.next_point_index_of(next_point_index);
next_point_index = self.contour.next_point_index_of(next_point_index);
if next_point_index == first_point_index {
next_position = first_position;
break;
}
next_position = input.position_of(next_point_index);
next_position = self.contour.position_of(next_point_index);
if next_point_index == current_point_index || next_position != position {
break;
}
@ -113,7 +113,7 @@ impl<'a> ContourDilator<'a> {
while point_index != next_point_index {
self.contour.points[point_index as usize] = new_position;
//println!("... updating {:?}", point_index);
point_index = input.next_point_index_of(point_index);
point_index = self.contour.next_point_index_of(point_index);
}
// Check to see if we're done.