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Simplify path negotiation.

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This commit is contained in:
Nolan Darilek 2021-09-17 10:02:33 -05:00
parent 10fc85d384
commit 8f5b1b8f08
1 changed files with 14 additions and 33 deletions
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47
src/pathfinding.rs
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@ -260,62 +260,43 @@ fn negotiate_path(
)>,
) {
for (entity, mut path, mut position, mut velocity, speed, rotation_speed) in query.iter_mut() {
let mut new_path = path.0.clone();
let start_i32 = (
position.position.translation.x,
position.position.translation.y,
)
.i32();
let new_path_clone = new_path.clone();
let mut iter = new_path_clone.split(|p| *p == start_i32);
if iter.next().is_some() {
if let Some(upcoming) = iter.next() {
new_path = vec![start_i32];
new_path.append(&mut upcoming.to_vec());
} else {
let start = Vec2::new(
position.position.translation.x,
position.position.translation.y,
);
let next = path[1];
let next = Vec2::new(next.0 as f32 + 0.5, next.1 as f32 + 0.5);
let mut direction = next - start;
direction = direction.normalize();
direction *= **speed;
velocity.linvel = direction.into();
continue;
}
} else {
println!("Remove path1");
commands.entity(entity).remove::<Path>().remove::<Speed>();
velocity.linvel = Vec2::ZERO.into();
}
let mut new_path = path
.iter()
.cloned()
.skip_while(|v| *v == start_i32)
.collect::<Vec<(i32, i32)>>();
new_path.retain(|v| *v != start_i32);
**path = new_path;
if path.len() >= 2 {
if let Some(next) = path.first() {
let start = Vec2::new(
position.position.translation.x,
position.position.translation.y,
);
let next = path[1];
let next = Vec2::new(next.0 as f32 + 0.5, next.1 as f32 + 0.5);
let mut direction = next - start;
direction = direction.normalize();
direction *= **speed;
velocity.linvel = direction.into();
if rotation_speed.is_some() {
let v = next - start;
let angle = v.y.atan2(v.x);
position.position.rotation = UnitComplex::new(angle);
}
let mut direction = next - start;
direction = direction.normalize();
direction *= **speed;
velocity.linvel = direction.into();
continue;
} else {
velocity.linvel = Vec2::ZERO.into();
println!("Remove path2");
println!("Remove path1");
commands
.entity(entity)
.remove::<Path>()
.remove::<NoPath>()
.remove::<Destination>()
.remove::<Speed>();
velocity.linvel = Vec2::ZERO.into();
}
}
}