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When selecting pedestrians or bicycles, pick the one closer to the cursor.

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This commit is contained in:
Dustin Carlino 2021-02-11 12:25:20 -08:00
parent e28b66cb5c
commit 46caf98779
1 changed files with 47 additions and 15 deletions
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62
game/src/app.rs
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@ -15,7 +15,7 @@ use map_gui::tools::CameraState;
use map_gui::ID;
use map_model::AreaType;
use map_model::{IntersectionID, LaneID, Map, Traversable};
use sim::{AgentID, Analytics, Scenario, Sim, SimCallback, SimFlags};
use sim::{AgentID, Analytics, Scenario, Sim, SimCallback, SimFlags, VehicleType};
use widgetry::{Canvas, EventCtx, GfxCtx, Prerender, SharedAppState, State};
use crate::challenges::HighScore;
@ -259,10 +259,10 @@ impl App {
unzoomed_roads_and_intersections: bool,
unzoomed_buildings: bool,
) -> Option<ID> {
let unzoomed = ctx.canvas.cam_zoom < self.opts.min_zoom_for_detail;
// Unzoomed mode. Ignore when debugging areas.
if ctx.canvas.cam_zoom < self.opts.min_zoom_for_detail
&& !(debug_mode || unzoomed_roads_and_intersections || unzoomed_buildings)
{
if unzoomed && !(debug_mode || unzoomed_roads_and_intersections || unzoomed_buildings) {
return None;
}
@ -277,43 +277,75 @@ impl App {
);
objects.reverse();
let mut small_agents: Vec<(ID, Pt2D)> = Vec::new();
// In most cases, this loop is greedy -- as soon as we find the first object containing the
// cursor, return it. But if we happen to match a pedestrian or bike while zoomed in, there
// might be several overlapping hitboxes. Collect them all in small_agents, then pick the
// closest to the cursor.
for obj in objects {
match obj.get_id() {
let id = obj.get_id();
match id {
ID::Area(_) => {
if !debug_mode {
continue;
}
}
ID::Road(_) => {
if !unzoomed_roads_and_intersections
|| ctx.canvas.cam_zoom >= self.opts.min_zoom_for_detail
{
if !unzoomed_roads_and_intersections || !unzoomed {
continue;
}
}
ID::Intersection(_) => {
if ctx.canvas.cam_zoom < self.opts.min_zoom_for_detail
&& !unzoomed_roads_and_intersections
{
if unzoomed && !unzoomed_roads_and_intersections {
continue;
}
}
ID::Building(_) => {
if ctx.canvas.cam_zoom < self.opts.min_zoom_for_detail && !unzoomed_buildings {
if unzoomed && !unzoomed_buildings {
continue;
}
}
_ => {
if ctx.canvas.cam_zoom < self.opts.min_zoom_for_detail {
if unzoomed {
continue;
}
}
}
if obj.contains_pt(pt, &self.primary.map) {
return Some(obj.get_id());
if unzoomed {
// If we're selecting agents unzoomed, they're all tiny circles, and we really
// don't care about picking the one closest to the cursor.
return Some(id);
}
match id {
ID::Pedestrian(_) => {}
ID::Car(c) => {
if c.1 != VehicleType::Bike {
return Some(id);
}
}
_ => {
// Once we match at least one small agent, keep scanning through all
// possible hits. Ignore lanes and intersections and other thngs; they have
// a lower z-order.
if small_agents.is_empty() {
return Some(id);
} else {
continue;
}
}
}
small_agents.push((id, obj.get_outline(&self.primary.map).center()));
}
}
None
let (id, _) = small_agents
.into_iter()
.min_by_key(|(_, center)| center.fast_dist(pt))?;
Some(id)
}
// TODO This could probably belong to DrawMap again, but it's annoying to plumb things that