<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `map_gui/src/render/intersection.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>intersection.rs - source</title><link rel="stylesheet" type="text/css" href="../../../normalize.css"><link rel="stylesheet" type="text/css" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../../../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../../../ayu.css" disabled ><script id="default-settings"></script><script src="../../../storage.js"></script><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../../../favicon.svg"> <link rel="alternate icon" 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id="483">483</span> <span id="484">484</span> <span id="485">485</span> <span id="486">486</span> <span id="487">487</span> <span id="488">488</span> <span id="489">489</span> <span id="490">490</span> <span id="491">491</span> </pre><div class="example-wrap"><pre class="rust "> <span class="kw">use</span> <span class="ident">std</span>::<span class="ident">cell</span>::<span class="ident">RefCell</span>; <span class="kw">use</span> <span class="ident">geom</span>::{<span class="ident">Angle</span>, <span class="ident">ArrowCap</span>, <span class="ident">Distance</span>, <span class="ident">Line</span>, <span class="ident">PolyLine</span>, <span class="ident">Polygon</span>, <span class="ident">Pt2D</span>, <span class="ident">Ring</span>, <span class="ident">Time</span>, <span class="ident">EPSILON_DIST</span>}; <span class="kw">use</span> <span class="ident">map_model</span>::{ <span class="ident">Direction</span>, <span class="ident">DrivingSide</span>, <span class="ident">Intersection</span>, <span class="ident">IntersectionID</span>, <span class="ident">IntersectionType</span>, <span class="ident">LaneType</span>, <span class="ident">Map</span>, <span class="ident">Road</span>, <span class="ident">RoadWithStopSign</span>, <span class="ident">Turn</span>, <span class="ident">TurnType</span>, <span class="ident">SIDEWALK_THICKNESS</span>, }; <span class="kw">use</span> <span class="ident">widgetry</span>::{<span class="ident">Color</span>, <span class="ident">Drawable</span>, <span class="ident">GeomBatch</span>, <span class="ident">GfxCtx</span>, <span class="ident">Prerender</span>, <span class="ident">RewriteColor</span>, <span class="ident">Text</span>}; <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">colors</span>::<span class="ident">ColorScheme</span>; <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">render</span>::{ <span class="ident">traffic_signal</span>, <span class="ident">DrawOptions</span>, <span class="ident">Renderable</span>, <span class="ident">CROSSWALK_LINE_THICKNESS</span>, <span class="ident">OUTLINE_THICKNESS</span>, }; <span class="kw">use</span> <span class="kw">crate</span>::{<span class="ident">AppLike</span>, <span class="ident">ID</span>}; <span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">DrawIntersection</span> { <span class="kw">pub</span> <span class="ident">id</span>: <span class="ident">IntersectionID</span>, <span class="ident">zorder</span>: <span class="ident">isize</span>, <span class="ident">draw_default</span>: <span class="ident">RefCell</span><span class="op"><</span><span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">Drawable</span><span class="op">></span><span class="op">></span>, <span class="kw">pub</span> <span class="ident">draw_traffic_signal</span>: <span class="ident">RefCell</span><span class="op"><</span><span class="prelude-ty">Option</span><span class="op"><</span>(<span class="ident">Time</span>, <span class="ident">Drawable</span>)<span class="op">></span><span class="op">></span>, } <span class="kw">impl</span> <span class="ident">DrawIntersection</span> { <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">new</span>(<span class="ident">i</span>: <span class="kw-2">&</span><span class="ident">Intersection</span>, <span class="ident">map</span>: <span class="kw-2">&</span><span class="ident">Map</span>) <span class="op">-</span><span class="op">></span> <span class="ident">DrawIntersection</span> { <span class="ident">DrawIntersection</span> { <span class="ident">id</span>: <span class="ident">i</span>.<span class="ident">id</span>, <span class="ident">zorder</span>: <span class="ident">i</span>.<span class="ident">get_zorder</span>(<span class="ident">map</span>), <span class="ident">draw_default</span>: <span class="ident">RefCell</span>::<span class="ident">new</span>(<span class="prelude-val">None</span>), <span class="ident">draw_traffic_signal</span>: <span class="ident">RefCell</span>::<span class="ident">new</span>(<span class="prelude-val">None</span>), } } <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">clear_rendering</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>) { <span class="kw-2">*</span><span class="self">self</span>.<span class="ident">draw_default</span>.<span class="ident">borrow_mut</span>() <span class="op">=</span> <span class="prelude-val">None</span>; <span class="kw-2">*</span><span class="self">self</span>.<span class="ident">draw_traffic_signal</span>.<span class="ident">borrow_mut</span>() <span class="op">=</span> <span class="prelude-val">None</span>; } <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">render</span><span class="op"><</span><span class="ident">P</span>: <span class="ident">AsRef</span><span class="op"><</span><span class="ident">Prerender</span><span class="op">></span><span class="op">></span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">prerender</span>: <span class="kw-2">&</span><span class="ident">P</span>, <span class="ident">app</span>: <span class="kw-2">&</span><span class="kw">dyn</span> <span class="ident">AppLike</span>) <span class="op">-</span><span class="op">></span> <span class="ident">GeomBatch</span> { <span class="kw">let</span> <span class="ident">map</span> <span class="op">=</span> <span class="ident">app</span>.<span class="ident">map</span>(); <span class="kw">let</span> <span class="ident">i</span> <span class="op">=</span> <span class="ident">map</span>.<span class="ident">get_i</span>(<span class="self">self</span>.<span class="ident">id</span>); <span class="comment">// Order matters... main polygon first, then sidewalk corners.</span> <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">default_geom</span> <span class="op">=</span> <span class="ident">GeomBatch</span>::<span class="ident">new</span>(); <span class="kw">let</span> <span class="ident">rank</span> <span class="op">=</span> <span class="ident">i</span>.<span class="ident">get_rank</span>(<span class="ident">map</span>); <span class="ident">default_geom</span>.<span class="ident">push</span>( <span class="kw">if</span> <span class="ident">i</span>.<span class="ident">is_footway</span>(<span class="ident">map</span>) { <span class="ident">app</span>.<span class="ident">cs</span>().<span class="ident">zoomed_road_surface</span>(<span class="ident">LaneType</span>::<span class="ident">Sidewalk</span>, <span class="ident">rank</span>) } <span class="kw">else</span> { <span class="ident">app</span>.<span class="ident">cs</span>().<span class="ident">zoomed_intersection_surface</span>(<span class="ident">rank</span>) }, <span class="ident">i</span>.<span class="ident">polygon</span>.<span class="ident">clone</span>(), ); <span class="kw">if</span> <span class="ident">app</span>.<span class="ident">cs</span>().<span class="ident">sidewalk_lines</span>.<span class="ident">is_some</span>() { <span class="ident">default_geom</span>.<span class="ident">extend</span>( <span class="ident">app</span>.<span class="ident">cs</span>().<span class="ident">zoomed_road_surface</span>(<span class="ident">LaneType</span>::<span class="ident">Sidewalk</span>, <span class="ident">rank</span>), <span class="ident">calculate_corners</span>(<span class="ident">i</span>, <span class="ident">map</span>), ); } <span class="kw">else</span> { <span class="ident">calculate_corners_with_borders</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">default_geom</span>, <span class="ident">app</span>, <span class="ident">i</span>); } <span class="kw">for</span> <span class="ident">turn</span> <span class="kw">in</span> <span class="ident">map</span>.<span class="ident">get_turns_in_intersection</span>(<span class="ident">i</span>.<span class="ident">id</span>) { <span class="comment">// Avoid double-rendering</span> <span class="kw">if</span> <span class="ident">turn</span>.<span class="ident">turn_type</span> <span class="op">=</span><span class="op">=</span> <span class="ident">TurnType</span>::<span class="ident">Crosswalk</span> <span class="op">&&</span> <span class="op">!</span><span class="ident">turn</span>.<span class="ident">other_crosswalk_ids</span>.<span class="ident">iter</span>().<span class="ident">any</span>(<span class="op">|</span><span class="ident">id</span><span class="op">|</span> <span class="kw-2">*</span><span class="ident">id</span> <span class="op"><</span> <span class="ident">turn</span>.<span class="ident">id</span>) { <span class="ident">make_crosswalk</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">default_geom</span>, <span class="ident">turn</span>, <span class="ident">map</span>, <span class="ident">app</span>.<span class="ident">cs</span>()); } } <span class="kw">if</span> <span class="ident">i</span>.<span class="ident">is_private</span>(<span class="ident">map</span>) { <span class="ident">default_geom</span>.<span class="ident">push</span>(<span class="ident">app</span>.<span class="ident">cs</span>().<span class="ident">private_road</span>.<span class="ident">alpha</span>(<span class="number">0.5</span>), <span class="ident">i</span>.<span class="ident">polygon</span>.<span class="ident">clone</span>()); } <span class="kw">match</span> <span class="ident">i</span>.<span class="ident">intersection_type</span> { <span class="ident">IntersectionType</span>::<span class="ident">Border</span> <span class="op">=</span><span class="op">></span> { <span class="kw">let</span> <span class="ident">r</span> <span class="op">=</span> <span class="ident">map</span>.<span class="ident">get_r</span>(<span class="kw-2">*</span><span class="ident">i</span>.<span class="ident">roads</span>.<span class="ident">iter</span>().<span class="ident">next</span>().<span class="ident">unwrap</span>()); <span class="ident">default_geom</span>.<span class="ident">extend</span>( <span class="ident">app</span>.<span class="ident">cs</span>().<span class="ident">road_center_line</span>(<span class="ident">r</span>.<span class="ident">get_rank</span>()), <span class="ident">calculate_border_arrows</span>(<span class="ident">i</span>, <span class="ident">r</span>, <span class="ident">map</span>), ); } <span class="ident">IntersectionType</span>::<span class="ident">StopSign</span> <span class="op">=</span><span class="op">></span> { <span class="kw">for</span> <span class="ident">ss</span> <span class="kw">in</span> <span class="ident">map</span>.<span class="ident">get_stop_sign</span>(<span class="ident">i</span>.<span class="ident">id</span>).<span class="ident">roads</span>.<span class="ident">values</span>() { <span class="kw">if</span> <span class="ident">ss</span>.<span class="ident">must_stop</span> { <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>((<span class="ident">octagon</span>, <span class="ident">pole</span>, <span class="ident">angle</span>)) <span class="op">=</span> <span class="ident">DrawIntersection</span>::<span class="ident">stop_sign_geom</span>(<span class="ident">ss</span>, <span class="ident">map</span>) { <span class="kw">let</span> <span class="ident">center</span> <span class="op">=</span> <span class="ident">octagon</span>.<span class="ident">center</span>(); <span class="ident">default_geom</span>.<span class="ident">push</span>(<span class="ident">app</span>.<span class="ident">cs</span>().<span class="ident">stop_sign</span>, <span class="ident">octagon</span>); <span class="ident">default_geom</span>.<span class="ident">push</span>(<span class="ident">app</span>.<span class="ident">cs</span>().<span class="ident">stop_sign_pole</span>, <span class="ident">pole</span>); <span class="comment">// Trial and error to make the scale and angle work. We could also make</span> <span class="comment">// a fixed SVG asset and just rotate it, but we'd still need to</span> <span class="comment">// calculate the octagon hitbox for the stop sign editor.</span> <span class="ident">default_geom</span>.<span class="ident">append</span>( <span class="ident">Text</span>::<span class="ident">from</span>(<span class="ident">widgetry</span>::<span class="ident">Line</span>(<span class="string">"STOP"</span>).<span class="ident">small_heading</span>()) .<span class="ident">render_autocropped</span>(<span class="ident">prerender</span>.<span class="ident">as_ref</span>()) .<span class="ident">scale</span>(<span class="number">0.02</span>) .<span class="ident">centered_on</span>(<span class="ident">center</span>) .<span class="ident">rotate</span>(<span class="ident">angle</span>.<span class="ident">opposite</span>().<span class="ident">rotate_degs</span>(<span class="op">-</span><span class="number">90.0</span>)), ); } } } } <span class="ident">IntersectionType</span>::<span class="ident">Construction</span> <span class="op">=</span><span class="op">></span> { <span class="comment">// TODO Centering seems weird</span> <span class="ident">default_geom</span>.<span class="ident">append</span>( <span class="ident">GeomBatch</span>::<span class="ident">load_svg</span>(<span class="ident">prerender</span>, <span class="string">"system/assets/map/under_construction.svg"</span>) .<span class="ident">scale</span>(<span class="number">0.08</span>) .<span class="ident">centered_on</span>(<span class="ident">i</span>.<span class="ident">polygon</span>.<span class="ident">center</span>()), ); } <span class="ident">IntersectionType</span>::<span class="ident">TrafficSignal</span> <span class="op">=</span><span class="op">></span> {} } <span class="kw">let</span> <span class="ident">zorder</span> <span class="op">=</span> <span class="ident">i</span>.<span class="ident">get_zorder</span>(<span class="ident">map</span>); <span class="kw">if</span> <span class="ident">zorder</span> <span class="op"><</span> <span class="number">0</span> { <span class="ident">default_geom</span> <span class="op">=</span> <span class="ident">default_geom</span>.<span class="ident">color</span>(<span class="ident">RewriteColor</span>::<span class="ident">ChangeAlpha</span>(<span class="number">0.5</span>)); } <span class="ident">default_geom</span> } <span class="comment">// Returns the (octagon, pole, angle of the angle) if there's room to draw it.</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">stop_sign_geom</span>(<span class="ident">ss</span>: <span class="kw-2">&</span><span class="ident">RoadWithStopSign</span>, <span class="ident">map</span>: <span class="kw-2">&</span><span class="ident">Map</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Option</span><span class="op"><</span>(<span class="ident">Polygon</span>, <span class="ident">Polygon</span>, <span class="ident">Angle</span>)<span class="op">></span> { <span class="kw">let</span> <span class="ident">trim_back</span> <span class="op">=</span> <span class="ident">Distance</span>::<span class="ident">meters</span>(<span class="number">0.1</span>); <span class="kw">let</span> <span class="ident">edge_lane</span> <span class="op">=</span> <span class="ident">map</span>.<span class="ident">get_l</span>(<span class="ident">ss</span>.<span class="ident">lane_closest_to_edge</span>); <span class="comment">// TODO The dream of trimming f64's was to isolate epsilon checks like this...</span> <span class="kw">if</span> <span class="ident">edge_lane</span>.<span class="ident">length</span>() <span class="op">-</span> <span class="ident">trim_back</span> <span class="op"><</span><span class="op">=</span> <span class="ident">EPSILON_DIST</span> { <span class="comment">// TODO warn</span> <span class="kw">return</span> <span class="prelude-val">None</span>; } <span class="kw">let</span> <span class="ident">last_line</span> <span class="op">=</span> <span class="ident">edge_lane</span> .<span class="ident">lane_center_pts</span> .<span class="ident">exact_slice</span>(<span class="ident">Distance</span>::<span class="ident">ZERO</span>, <span class="ident">edge_lane</span>.<span class="ident">length</span>() <span class="op">-</span> <span class="ident">trim_back</span>) .<span class="ident">last_line</span>(); <span class="kw">let</span> <span class="ident">last_line</span> <span class="op">=</span> <span class="kw">if</span> <span class="ident">map</span>.<span class="ident">get_config</span>().<span class="ident">driving_side</span> <span class="op">=</span><span class="op">=</span> <span class="ident">DrivingSide</span>::<span class="ident">Right</span> { <span class="ident">last_line</span>.<span class="ident">shift_right</span>(<span class="ident">edge_lane</span>.<span class="ident">width</span>) } <span class="kw">else</span> { <span class="ident">last_line</span>.<span class="ident">shift_left</span>(<span class="ident">edge_lane</span>.<span class="ident">width</span>) }; <span class="kw">let</span> <span class="ident">octagon</span> <span class="op">=</span> <span class="ident">make_octagon</span>(<span class="ident">last_line</span>.<span class="ident">pt2</span>(), <span class="ident">Distance</span>::<span class="ident">meters</span>(<span class="number">1.0</span>), <span class="ident">last_line</span>.<span class="ident">angle</span>()); <span class="kw">let</span> <span class="ident">pole</span> <span class="op">=</span> <span class="ident">Line</span>::<span class="ident">must_new</span>( <span class="ident">last_line</span> .<span class="ident">pt2</span>() .<span class="ident">project_away</span>(<span class="ident">Distance</span>::<span class="ident">meters</span>(<span class="number">1.5</span>), <span class="ident">last_line</span>.<span class="ident">angle</span>().<span class="ident">opposite</span>()), <span class="comment">// TODO Slightly < 0.9</span> <span class="ident">last_line</span> .<span class="ident">pt2</span>() .<span class="ident">project_away</span>(<span class="ident">Distance</span>::<span class="ident">meters</span>(<span class="number">0.9</span>), <span class="ident">last_line</span>.<span class="ident">angle</span>().<span class="ident">opposite</span>()), ) .<span class="ident">make_polygons</span>(<span class="ident">Distance</span>::<span class="ident">meters</span>(<span class="number">0.3</span>)); <span class="prelude-val">Some</span>((<span class="ident">octagon</span>, <span class="ident">pole</span>, <span class="ident">last_line</span>.<span class="ident">angle</span>())) } } <span class="kw">impl</span> <span class="ident">Renderable</span> <span class="kw">for</span> <span class="ident">DrawIntersection</span> { <span class="kw">fn</span> <span class="ident">get_id</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="ident">ID</span> { <span class="ident">ID</span>::<span class="ident">Intersection</span>(<span class="self">self</span>.<span class="ident">id</span>) } <span class="kw">fn</span> <span class="ident">draw</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">g</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">GfxCtx</span>, <span class="ident">app</span>: <span class="kw-2">&</span><span class="kw">dyn</span> <span class="ident">AppLike</span>, <span class="ident">opts</span>: <span class="kw-2">&</span><span class="ident">DrawOptions</span>) { <span class="comment">// Lazily calculate, because these are expensive to all do up-front, and most players won't</span> <span class="comment">// exhaustively see every intersection during a single session</span> <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">draw</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">draw_default</span>.<span class="ident">borrow_mut</span>(); <span class="kw">if</span> <span class="ident">draw</span>.<span class="ident">is_none</span>() { <span class="kw-2">*</span><span class="ident">draw</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">g</span>.<span class="ident">upload</span>(<span class="self">self</span>.<span class="ident">render</span>(<span class="ident">g</span>, <span class="ident">app</span>))); } <span class="ident">g</span>.<span class="ident">redraw</span>(<span class="ident">draw</span>.<span class="ident">as_ref</span>().<span class="ident">unwrap</span>()); <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">signal</span>) <span class="op">=</span> <span class="ident">app</span>.<span class="ident">map</span>().<span class="ident">maybe_get_traffic_signal</span>(<span class="self">self</span>.<span class="ident">id</span>) { <span class="kw">if</span> <span class="op">!</span><span class="ident">opts</span>.<span class="ident">suppress_traffic_signal_details</span>.<span class="ident">contains</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">id</span>) { <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">maybe_redraw</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">draw_traffic_signal</span>.<span class="ident">borrow_mut</span>(); <span class="kw">let</span> <span class="ident">recalc</span> <span class="op">=</span> <span class="ident">maybe_redraw</span> .<span class="ident">as_ref</span>() .<span class="ident">map</span>(<span class="op">|</span>(<span class="ident">t</span>, <span class="kw">_</span>)<span class="op">|</span> <span class="kw-2">*</span><span class="ident">t</span> <span class="op">!</span><span class="op">=</span> <span class="ident">app</span>.<span class="ident">sim_time</span>()) .<span class="ident">unwrap_or</span>(<span class="bool-val">true</span>); <span class="kw">if</span> <span class="ident">recalc</span> { <span class="kw">let</span> (<span class="ident">idx</span>, <span class="ident">remaining</span>) <span class="op">=</span> <span class="ident">app</span>.<span class="ident">current_stage_and_remaining_time</span>(<span class="self">self</span>.<span class="ident">id</span>); <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">batch</span> <span class="op">=</span> <span class="ident">GeomBatch</span>::<span class="ident">new</span>(); <span class="ident">traffic_signal</span>::<span class="ident">draw_signal_stage</span>( <span class="ident">g</span>.<span class="ident">prerender</span>, <span class="kw-2">&</span><span class="ident">signal</span>.<span class="ident">stages</span>[<span class="ident">idx</span>], <span class="ident">idx</span>, <span class="self">self</span>.<span class="ident">id</span>, <span class="prelude-val">Some</span>(<span class="ident">remaining</span>), <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">batch</span>, <span class="ident">app</span>, <span class="ident">app</span>.<span class="ident">opts</span>().<span class="ident">traffic_signal_style</span>.<span class="ident">clone</span>(), ); <span class="kw-2">*</span><span class="ident">maybe_redraw</span> <span class="op">=</span> <span class="prelude-val">Some</span>((<span class="ident">app</span>.<span class="ident">sim_time</span>(), <span class="ident">g</span>.<span class="ident">prerender</span>.<span class="ident">upload</span>(<span class="ident">batch</span>))); } <span class="kw">let</span> (<span class="kw">_</span>, <span class="ident">batch</span>) <span class="op">=</span> <span class="ident">maybe_redraw</span>.<span class="ident">as_ref</span>().<span class="ident">unwrap</span>(); <span class="ident">g</span>.<span class="ident">redraw</span>(<span class="ident">batch</span>); } } } <span class="kw">fn</span> <span class="ident">get_outline</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">map</span>: <span class="kw-2">&</span><span class="ident">Map</span>) <span class="op">-</span><span class="op">></span> <span class="ident">Polygon</span> { <span class="kw">let</span> <span class="ident">poly</span> <span class="op">=</span> <span class="kw-2">&</span><span class="ident">map</span>.<span class="ident">get_i</span>(<span class="self">self</span>.<span class="ident">id</span>).<span class="ident">polygon</span>; <span class="ident">poly</span>.<span class="ident">to_outline</span>(<span class="ident">OUTLINE_THICKNESS</span>) .<span class="ident">unwrap_or_else</span>(<span class="op">|</span><span class="kw">_</span><span class="op">|</span> <span class="ident">poly</span>.<span class="ident">clone</span>()) } <span class="kw">fn</span> <span class="ident">contains_pt</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">pt</span>: <span class="ident">Pt2D</span>, <span class="ident">map</span>: <span class="kw-2">&</span><span class="ident">Map</span>) <span class="op">-</span><span class="op">></span> <span class="ident">bool</span> { <span class="ident">map</span>.<span class="ident">get_i</span>(<span class="self">self</span>.<span class="ident">id</span>).<span class="ident">polygon</span>.<span class="ident">contains_pt</span>(<span class="ident">pt</span>) } <span class="kw">fn</span> <span class="ident">get_zorder</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="ident">isize</span> { <span class="self">self</span>.<span class="ident">zorder</span> } } <span class="comment">// TODO Temporarily public for debugging.</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">calculate_corners</span>(<span class="ident">i</span>: <span class="kw-2">&</span><span class="ident">Intersection</span>, <span class="ident">map</span>: <span class="kw-2">&</span><span class="ident">Map</span>) <span class="op">-</span><span class="op">></span> <span class="ident">Vec</span><span class="op"><</span><span class="ident">Polygon</span><span class="op">></span> { <span class="kw">if</span> <span class="ident">i</span>.<span class="ident">is_footway</span>(<span class="ident">map</span>) { <span class="kw">return</span> <span class="ident">Vec</span>::<span class="ident">new</span>(); } <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">corners</span> <span class="op">=</span> <span class="ident">Vec</span>::<span class="ident">new</span>(); <span class="kw">for</span> <span class="ident">turn</span> <span class="kw">in</span> <span class="ident">map</span>.<span class="ident">get_turns_in_intersection</span>(<span class="ident">i</span>.<span class="ident">id</span>) { <span class="kw">if</span> <span class="ident">turn</span>.<span class="ident">turn_type</span> <span class="op">=</span><span class="op">=</span> <span class="ident">TurnType</span>::<span class="ident">SharedSidewalkCorner</span> { <span class="comment">// Avoid double-rendering</span> <span class="kw">if</span> <span class="ident">map</span>.<span class="ident">get_l</span>(<span class="ident">turn</span>.<span class="ident">id</span>.<span class="ident">src</span>).<span class="ident">dst_i</span> <span class="op">!</span><span class="op">=</span> <span class="ident">i</span>.<span class="ident">id</span> { <span class="kw">continue</span>; } <span class="kw">let</span> <span class="ident">width</span> <span class="op">=</span> <span class="ident">map</span> .<span class="ident">get_l</span>(<span class="ident">turn</span>.<span class="ident">id</span>.<span class="ident">src</span>) .<span class="ident">width</span> .<span class="ident">min</span>(<span class="ident">map</span>.<span class="ident">get_l</span>(<span class="ident">turn</span>.<span class="ident">id</span>.<span class="ident">dst</span>).<span class="ident">width</span>); <span class="comment">// Special case for dead-ends: just thicken the geometry.</span> <span class="kw">if</span> <span class="ident">i</span>.<span class="ident">roads</span>.<span class="ident">len</span>() <span class="op">=</span><span class="op">=</span> <span class="number">1</span> { <span class="ident">corners</span>.<span class="ident">push</span>(<span class="ident">turn</span>.<span class="ident">geom</span>.<span class="ident">make_polygons</span>(<span class="ident">width</span>)); <span class="kw">continue</span>; } <span class="kw">let</span> <span class="ident">l1</span> <span class="op">=</span> <span class="ident">map</span>.<span class="ident">get_l</span>(<span class="ident">turn</span>.<span class="ident">id</span>.<span class="ident">src</span>); <span class="kw">let</span> <span class="ident">l2</span> <span class="op">=</span> <span class="ident">map</span>.<span class="ident">get_l</span>(<span class="ident">turn</span>.<span class="ident">id</span>.<span class="ident">dst</span>); <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">poly</span>) <span class="op">=</span> (<span class="op">|</span><span class="op">|</span> { <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">pts</span> <span class="op">=</span> <span class="ident">turn</span>.<span class="ident">geom</span>.<span class="ident">shift_left</span>(<span class="ident">width</span> <span class="op">/</span> <span class="number">2.0</span>).<span class="ident">ok</span>()<span class="question-mark">?</span>.<span class="ident">into_points</span>(); <span class="ident">pts</span>.<span class="ident">push</span>(<span class="ident">l2</span>.<span class="ident">first_line</span>().<span class="ident">shift_left</span>(<span class="ident">width</span> <span class="op">/</span> <span class="number">2.0</span>).<span class="ident">pt1</span>()); <span class="ident">pts</span>.<span class="ident">push</span>(<span class="ident">l2</span>.<span class="ident">first_line</span>().<span class="ident">shift_right</span>(<span class="ident">width</span> <span class="op">/</span> <span class="number">2.0</span>).<span class="ident">pt1</span>()); <span class="ident">pts</span>.<span class="ident">extend</span>( <span class="ident">turn</span>.<span class="ident">geom</span> .<span class="ident">shift_right</span>(<span class="ident">width</span> <span class="op">/</span> <span class="number">2.0</span>) .<span class="ident">ok</span>()<span class="question-mark">?</span> .<span class="ident">reversed</span>() .<span class="ident">into_points</span>(), ); <span class="ident">pts</span>.<span class="ident">push</span>(<span class="ident">l1</span>.<span class="ident">last_line</span>().<span class="ident">shift_right</span>(<span class="ident">width</span> <span class="op">/</span> <span class="number">2.0</span>).<span class="ident">pt2</span>()); <span class="ident">pts</span>.<span class="ident">push</span>(<span class="ident">l1</span>.<span class="ident">last_line</span>().<span class="ident">shift_left</span>(<span class="ident">width</span> <span class="op">/</span> <span class="number">2.0</span>).<span class="ident">pt2</span>()); <span class="ident">pts</span>.<span class="ident">push</span>(<span class="ident">pts</span>[<span class="number">0</span>]); <span class="prelude-val">Some</span>(<span class="ident">Polygon</span>::<span class="ident">buggy_new</span>(<span class="ident">pts</span>)) })() { <span class="ident">corners</span>.<span class="ident">push</span>(<span class="ident">poly</span>); } } } <span class="ident">corners</span> } <span class="comment">// calculate_corners smooths edges, but we don't want to do that when drawing explicit borders.</span> <span class="kw">fn</span> <span class="ident">calculate_corners_with_borders</span>(<span class="ident">batch</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">GeomBatch</span>, <span class="ident">app</span>: <span class="kw-2">&</span><span class="kw">dyn</span> <span class="ident">AppLike</span>, <span class="ident">i</span>: <span class="kw-2">&</span><span class="ident">Intersection</span>) { <span class="kw">let</span> <span class="ident">map</span> <span class="op">=</span> <span class="ident">app</span>.<span class="ident">map</span>(); <span class="kw">let</span> <span class="ident">rank</span> <span class="op">=</span> <span class="ident">i</span>.<span class="ident">get_rank</span>(<span class="ident">map</span>); <span class="kw">let</span> <span class="ident">surface_color</span> <span class="op">=</span> <span class="ident">app</span>.<span class="ident">cs</span>().<span class="ident">zoomed_road_surface</span>(<span class="ident">LaneType</span>::<span class="ident">Sidewalk</span>, <span class="ident">rank</span>); <span class="kw">let</span> <span class="ident">border_color</span> <span class="op">=</span> <span class="ident">app</span>.<span class="ident">cs</span>().<span class="ident">general_road_marking</span>(<span class="ident">rank</span>); <span class="kw">for</span> <span class="ident">turn</span> <span class="kw">in</span> <span class="ident">map</span>.<span class="ident">get_turns_in_intersection</span>(<span class="ident">i</span>.<span class="ident">id</span>) { <span class="kw">if</span> <span class="ident">turn</span>.<span class="ident">turn_type</span> <span class="op">!</span><span class="op">=</span> <span class="ident">TurnType</span>::<span class="ident">SharedSidewalkCorner</span> { <span class="kw">continue</span>; } <span class="comment">// Avoid double-rendering</span> <span class="kw">if</span> <span class="ident">map</span>.<span class="ident">get_l</span>(<span class="ident">turn</span>.<span class="ident">id</span>.<span class="ident">src</span>).<span class="ident">dst_i</span> <span class="op">!</span><span class="op">=</span> <span class="ident">i</span>.<span class="ident">id</span> { <span class="kw">continue</span>; } <span class="kw">let</span> <span class="ident">width</span> <span class="op">=</span> <span class="ident">map</span> .<span class="ident">get_l</span>(<span class="ident">turn</span>.<span class="ident">id</span>.<span class="ident">src</span>) .<span class="ident">width</span> .<span class="ident">min</span>(<span class="ident">map</span>.<span class="ident">get_l</span>(<span class="ident">turn</span>.<span class="ident">id</span>.<span class="ident">dst</span>).<span class="ident">width</span>); <span class="comment">// TODO This leaves gaps.</span> <span class="ident">batch</span>.<span class="ident">push</span>(<span class="ident">surface_color</span>, <span class="ident">turn</span>.<span class="ident">geom</span>.<span class="ident">make_polygons</span>(<span class="ident">width</span>)); <span class="kw">let</span> <span class="ident">thickness</span> <span class="op">=</span> <span class="ident">Distance</span>::<span class="ident">meters</span>(<span class="number">0.2</span>); <span class="kw">let</span> <span class="ident">shift</span> <span class="op">=</span> (<span class="ident">width</span> <span class="op">-</span> <span class="ident">thickness</span>) <span class="op">/</span> <span class="number">2.0</span>; <span class="ident">batch</span>.<span class="ident">push</span>( <span class="ident">border_color</span>, <span class="ident">turn</span>.<span class="ident">geom</span>.<span class="ident">must_shift_right</span>(<span class="ident">shift</span>).<span class="ident">make_polygons</span>(<span class="ident">thickness</span>), ); <span class="ident">batch</span>.<span class="ident">push</span>( <span class="ident">border_color</span>, <span class="ident">turn</span>.<span class="ident">geom</span>.<span class="ident">must_shift_left</span>(<span class="ident">shift</span>).<span class="ident">make_polygons</span>(<span class="ident">thickness</span>), ); } } <span class="comment">// TODO This assumes the lanes change direction only at one point. A two-way cycletrack right at</span> <span class="comment">// the border will look a bit off.</span> <span class="kw">fn</span> <span class="ident">calculate_border_arrows</span>(<span class="ident">i</span>: <span class="kw-2">&</span><span class="ident">Intersection</span>, <span class="ident">r</span>: <span class="kw-2">&</span><span class="ident">Road</span>, <span class="ident">map</span>: <span class="kw-2">&</span><span class="ident">Map</span>) <span class="op">-</span><span class="op">></span> <span class="ident">Vec</span><span class="op"><</span><span class="ident">Polygon</span><span class="op">></span> { <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">result</span> <span class="op">=</span> <span class="ident">Vec</span>::<span class="ident">new</span>(); <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">width_fwd</span> <span class="op">=</span> <span class="ident">Distance</span>::<span class="ident">ZERO</span>; <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">width_back</span> <span class="op">=</span> <span class="ident">Distance</span>::<span class="ident">ZERO</span>; <span class="kw">for</span> (<span class="ident">l</span>, <span class="ident">dir</span>, <span class="kw">_</span>) <span class="kw">in</span> <span class="ident">r</span>.<span class="ident">lanes_ltr</span>() { <span class="kw">if</span> <span class="ident">dir</span> <span class="op">=</span><span class="op">=</span> <span class="ident">Direction</span>::<span class="ident">Fwd</span> { <span class="ident">width_fwd</span> <span class="op">+</span><span class="op">=</span> <span class="ident">map</span>.<span class="ident">get_l</span>(<span class="ident">l</span>).<span class="ident">width</span>; } <span class="kw">else</span> { <span class="ident">width_back</span> <span class="op">+</span><span class="op">=</span> <span class="ident">map</span>.<span class="ident">get_l</span>(<span class="ident">l</span>).<span class="ident">width</span>; } } <span class="kw">let</span> <span class="ident">center</span> <span class="op">=</span> <span class="ident">r</span>.<span class="ident">get_dir_change_pl</span>(<span class="ident">map</span>); <span class="comment">// These arrows should point from the void to the road</span> <span class="kw">if</span> <span class="op">!</span><span class="ident">i</span>.<span class="ident">outgoing_lanes</span>.<span class="ident">is_empty</span>() { <span class="kw">let</span> (<span class="ident">line</span>, <span class="ident">width</span>) <span class="op">=</span> <span class="kw">if</span> <span class="ident">r</span>.<span class="ident">dst_i</span> <span class="op">=</span><span class="op">=</span> <span class="ident">i</span>.<span class="ident">id</span> { ( <span class="ident">center</span>.<span class="ident">last_line</span>().<span class="ident">shift_left</span>(<span class="ident">width_back</span> <span class="op">/</span> <span class="number">2.0</span>).<span class="ident">reverse</span>(), <span class="ident">width_back</span>, ) } <span class="kw">else</span> { (<span class="ident">center</span>.<span class="ident">first_line</span>().<span class="ident">shift_right</span>(<span class="ident">width_fwd</span> <span class="op">/</span> <span class="number">2.0</span>), <span class="ident">width_fwd</span>) }; <span class="ident">result</span>.<span class="ident">push</span>( <span class="comment">// DEGENERATE_INTERSECTION_HALF_LENGTH is 2.5m...</span> <span class="ident">PolyLine</span>::<span class="ident">must_new</span>(<span class="macro">vec</span><span class="macro">!</span>[ <span class="ident">line</span>.<span class="ident">unbounded_dist_along</span>(<span class="ident">Distance</span>::<span class="ident">meters</span>(<span class="op">-</span><span class="number">9.5</span>)), <span class="ident">line</span>.<span class="ident">unbounded_dist_along</span>(<span class="ident">Distance</span>::<span class="ident">meters</span>(<span class="op">-</span><span class="number">0.5</span>)), ]) .<span class="ident">make_arrow</span>(<span class="ident">width</span> <span class="op">/</span> <span class="number">3.0</span>, <span class="ident">ArrowCap</span>::<span class="ident">Triangle</span>), ); } <span class="comment">// These arrows should point from the road to the void</span> <span class="kw">if</span> <span class="op">!</span><span class="ident">i</span>.<span class="ident">incoming_lanes</span>.<span class="ident">is_empty</span>() { <span class="kw">let</span> (<span class="ident">line</span>, <span class="ident">width</span>) <span class="op">=</span> <span class="kw">if</span> <span class="ident">r</span>.<span class="ident">dst_i</span> <span class="op">=</span><span class="op">=</span> <span class="ident">i</span>.<span class="ident">id</span> { ( <span class="ident">center</span>.<span class="ident">last_line</span>().<span class="ident">shift_right</span>(<span class="ident">width_fwd</span> <span class="op">/</span> <span class="number">2.0</span>).<span class="ident">reverse</span>(), <span class="ident">width_fwd</span>, ) } <span class="kw">else</span> { (<span class="ident">center</span>.<span class="ident">first_line</span>().<span class="ident">shift_left</span>(<span class="ident">width_back</span> <span class="op">/</span> <span class="number">2.0</span>), <span class="ident">width_back</span>) }; <span class="ident">result</span>.<span class="ident">push</span>( <span class="ident">PolyLine</span>::<span class="ident">must_new</span>(<span class="macro">vec</span><span class="macro">!</span>[ <span class="ident">line</span>.<span class="ident">unbounded_dist_along</span>(<span class="ident">Distance</span>::<span class="ident">meters</span>(<span class="op">-</span><span class="number">0.5</span>)), <span class="ident">line</span>.<span class="ident">unbounded_dist_along</span>(<span class="ident">Distance</span>::<span class="ident">meters</span>(<span class="op">-</span><span class="number">9.5</span>)), ]) .<span class="ident">make_arrow</span>(<span class="ident">width</span> <span class="op">/</span> <span class="number">3.0</span>, <span class="ident">ArrowCap</span>::<span class="ident">Triangle</span>), ); } <span class="ident">result</span> } <span class="comment">// TODO A squished octagon would look better</span> <span class="kw">fn</span> <span class="ident">make_octagon</span>(<span class="ident">center</span>: <span class="ident">Pt2D</span>, <span class="ident">radius</span>: <span class="ident">Distance</span>, <span class="ident">facing</span>: <span class="ident">Angle</span>) <span class="op">-</span><span class="op">></span> <span class="ident">Polygon</span> { <span class="ident">Ring</span>::<span class="ident">must_new</span>( (<span class="number">0</span>..<span class="op">=</span><span class="number">8</span>) .<span class="ident">map</span>(<span class="op">|</span><span class="ident">i</span><span class="op">|</span> <span class="ident">center</span>.<span class="ident">project_away</span>(<span class="ident">radius</span>, <span class="ident">facing</span>.<span class="ident">rotate_degs</span>(<span class="number">22.5</span> <span class="op">+</span> <span class="ident">f64</span>::<span class="ident">from</span>(<span class="ident">i</span> <span class="op">*</span> <span class="number">360</span> <span class="op">/</span> <span class="number">8</span>)))) .<span class="ident">collect</span>(), ) .<span class="ident">to_polygon</span>() } <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">make_crosswalk</span>(<span class="ident">batch</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">GeomBatch</span>, <span class="ident">turn</span>: <span class="kw-2">&</span><span class="ident">Turn</span>, <span class="ident">map</span>: <span class="kw-2">&</span><span class="ident">Map</span>, <span class="ident">cs</span>: <span class="kw-2">&</span><span class="ident">ColorScheme</span>) { <span class="kw">if</span> <span class="ident">make_rainbow_crosswalk</span>(<span class="ident">batch</span>, <span class="ident">turn</span>, <span class="ident">map</span>) { <span class="kw">return</span>; } <span class="comment">// This size also looks better for shoulders</span> <span class="kw">let</span> <span class="ident">width</span> <span class="op">=</span> <span class="ident">SIDEWALK_THICKNESS</span>; <span class="comment">// Start at least width out to not hit sidewalk corners. Also account for the thickness of the</span> <span class="comment">// crosswalk line itself. Center the lines inside these two boundaries.</span> <span class="kw">let</span> <span class="ident">boundary</span> <span class="op">=</span> <span class="ident">width</span>; <span class="kw">let</span> <span class="ident">tile_every</span> <span class="op">=</span> <span class="ident">width</span> <span class="op">*</span> <span class="number">0.6</span>; <span class="kw">let</span> <span class="ident">line</span> <span class="op">=</span> { <span class="comment">// The middle line in the crosswalk geometry is the main crossing line.</span> <span class="kw">let</span> <span class="ident">pts</span> <span class="op">=</span> <span class="ident">turn</span>.<span class="ident">geom</span>.<span class="ident">points</span>(); <span class="kw">if</span> <span class="ident">pts</span>.<span class="ident">len</span>() <span class="op"><</span> <span class="number">3</span> { <span class="macro">println</span><span class="macro">!</span>( <span class="string">"Not rendering crosswalk for {}; its geometry was squished earlier"</span>, <span class="ident">turn</span>.<span class="ident">id</span> ); <span class="kw">return</span>; } <span class="kw">match</span> <span class="ident">Line</span>::<span class="ident">new</span>(<span class="ident">pts</span>[<span class="number">1</span>], <span class="ident">pts</span>[<span class="number">2</span>]) { <span class="prelude-val">Some</span>(<span class="ident">l</span>) <span class="op">=</span><span class="op">></span> <span class="ident">l</span>, <span class="prelude-val">None</span> <span class="op">=</span><span class="op">></span> { <span class="kw">return</span>; } } }; <span class="kw">let</span> <span class="ident">available_length</span> <span class="op">=</span> <span class="ident">line</span>.<span class="ident">length</span>() <span class="op">-</span> (<span class="ident">boundary</span> <span class="op">*</span> <span class="number">2.0</span>); <span class="kw">if</span> <span class="ident">available_length</span> <span class="op">></span> <span class="ident">Distance</span>::<span class="ident">ZERO</span> { <span class="kw">let</span> <span class="ident">num_markings</span> <span class="op">=</span> (<span class="ident">available_length</span> <span class="op">/</span> <span class="ident">tile_every</span>).<span class="ident">floor</span>() <span class="kw">as</span> <span class="ident">usize</span>; <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">dist_along</span> <span class="op">=</span> <span class="ident">boundary</span> <span class="op">+</span> (<span class="ident">available_length</span> <span class="op">-</span> <span class="ident">tile_every</span> <span class="op">*</span> (<span class="ident">num_markings</span> <span class="kw">as</span> <span class="ident">f64</span>)) <span class="op">/</span> <span class="number">2.0</span>; <span class="comment">// TODO Seems to be an off-by-one sometimes. Not enough of these.</span> <span class="kw">let</span> <span class="ident">err</span> <span class="op">=</span> <span class="macro">format</span><span class="macro">!</span>(<span class="string">"make_crosswalk for {} broke"</span>, <span class="ident">turn</span>.<span class="ident">id</span>); <span class="kw">for</span> <span class="kw">_</span> <span class="kw">in</span> <span class="number">0</span>..<span class="op">=</span><span class="ident">num_markings</span> { <span class="kw">let</span> <span class="ident">pt1</span> <span class="op">=</span> <span class="ident">line</span>.<span class="ident">dist_along</span>(<span class="ident">dist_along</span>).<span class="ident">expect</span>(<span class="kw-2">&</span><span class="ident">err</span>); <span class="comment">// Reuse perp_line. Project away an arbitrary amount</span> <span class="kw">let</span> <span class="ident">pt2</span> <span class="op">=</span> <span class="ident">pt1</span>.<span class="ident">project_away</span>(<span class="ident">Distance</span>::<span class="ident">meters</span>(<span class="number">1.0</span>), <span class="ident">line</span>.<span class="ident">angle</span>()); <span class="kw">let</span> <span class="ident">general_road_marking</span> <span class="op">=</span> <span class="ident">cs</span>.<span class="ident">general_road_marking</span>(<span class="ident">map</span>.<span class="ident">get_i</span>(<span class="ident">turn</span>.<span class="ident">id</span>.<span class="ident">parent</span>).<span class="ident">get_rank</span>(<span class="ident">map</span>)); <span class="ident">batch</span>.<span class="ident">push</span>( <span class="ident">general_road_marking</span>, <span class="ident">perp_line</span>(<span class="ident">Line</span>::<span class="ident">must_new</span>(<span class="ident">pt1</span>, <span class="ident">pt2</span>), <span class="ident">width</span>).<span class="ident">make_polygons</span>(<span class="ident">CROSSWALK_LINE_THICKNESS</span>), ); <span class="comment">// Actually every line is a double</span> <span class="kw">let</span> <span class="ident">pt3</span> <span class="op">=</span> <span class="ident">line</span> .<span class="ident">dist_along</span>(<span class="ident">dist_along</span> <span class="op">+</span> <span class="number">2.0</span> <span class="op">*</span> <span class="ident">CROSSWALK_LINE_THICKNESS</span>) .<span class="ident">expect</span>(<span class="kw-2">&</span><span class="ident">err</span>); <span class="kw">let</span> <span class="ident">pt4</span> <span class="op">=</span> <span class="ident">pt3</span>.<span class="ident">project_away</span>(<span class="ident">Distance</span>::<span class="ident">meters</span>(<span class="number">1.0</span>), <span class="ident">line</span>.<span class="ident">angle</span>()); <span class="ident">batch</span>.<span class="ident">push</span>( <span class="ident">general_road_marking</span>, <span class="ident">perp_line</span>(<span class="ident">Line</span>::<span class="ident">must_new</span>(<span class="ident">pt3</span>, <span class="ident">pt4</span>), <span class="ident">width</span>).<span class="ident">make_polygons</span>(<span class="ident">CROSSWALK_LINE_THICKNESS</span>), ); <span class="ident">dist_along</span> <span class="op">+</span><span class="op">=</span> <span class="ident">tile_every</span>; } } } <span class="kw">fn</span> <span class="ident">make_rainbow_crosswalk</span>(<span class="ident">batch</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">GeomBatch</span>, <span class="ident">turn</span>: <span class="kw-2">&</span><span class="ident">Turn</span>, <span class="ident">map</span>: <span class="kw-2">&</span><span class="ident">Map</span>) <span class="op">-</span><span class="op">></span> <span class="ident">bool</span> { <span class="comment">// TODO The crosswalks aren't tagged in OSM yet. Manually hardcoding some now.</span> <span class="kw">let</span> <span class="ident">node</span> <span class="op">=</span> <span class="ident">map</span>.<span class="ident">get_i</span>(<span class="ident">turn</span>.<span class="ident">id</span>.<span class="ident">parent</span>).<span class="ident">orig_id</span>.<span class="number">0</span>; <span class="kw">let</span> <span class="ident">way</span> <span class="op">=</span> <span class="ident">map</span>.<span class="ident">get_parent</span>(<span class="ident">turn</span>.<span class="ident">id</span>.<span class="ident">src</span>).<span class="ident">orig_id</span>.<span class="ident">osm_way_id</span>.<span class="number">0</span>; <span class="kw">match</span> (<span class="ident">node</span>, <span class="ident">way</span>) { <span class="comment">// Broadway and Pine</span> (<span class="number">53073255</span>, <span class="number">428246441</span>) <span class="op">|</span> (<span class="number">53073255</span>, <span class="number">332601014</span>) <span class="op">|</span> <span class="comment">// Broadway and Pike</span> (<span class="number">53073254</span>, <span class="number">6447455</span>) <span class="op">|</span> (<span class="number">53073254</span>, <span class="number">607690679</span>) <span class="op">|</span> <span class="comment">// 10th and Pine</span> (<span class="number">53168934</span>, <span class="number">6456052</span>) <span class="op">|</span> <span class="comment">// 10th and Pike</span> (<span class="number">53200834</span>, <span class="number">6456052</span>) <span class="op">|</span> <span class="comment">// 11th and Pine</span> (<span class="number">53068795</span>, <span class="number">607691081</span>) <span class="op">|</span> (<span class="number">53068795</span>, <span class="number">65588105</span>) <span class="op">|</span> <span class="comment">// 11th and Pike</span> (<span class="number">53068794</span>, <span class="number">65588105</span>) <span class="op">=</span><span class="op">></span> {} <span class="kw">_</span> <span class="op">=</span><span class="op">></span> { <span class="kw">return</span> <span class="bool-val">false</span>; } } <span class="kw">let</span> <span class="ident">total_width</span> <span class="op">=</span> <span class="ident">map</span>.<span class="ident">get_l</span>(<span class="ident">turn</span>.<span class="ident">id</span>.<span class="ident">src</span>).<span class="ident">width</span>; <span class="kw">let</span> <span class="ident">colors</span> <span class="op">=</span> <span class="macro">vec</span><span class="macro">!</span>[ <span class="ident">Color</span>::<span class="ident">WHITE</span>, <span class="ident">Color</span>::<span class="ident">RED</span>, <span class="ident">Color</span>::<span class="ident">ORANGE</span>, <span class="ident">Color</span>::<span class="ident">YELLOW</span>, <span class="ident">Color</span>::<span class="ident">GREEN</span>, <span class="ident">Color</span>::<span class="ident">BLUE</span>, <span class="ident">Color</span>::<span class="ident">hex</span>(<span class="string">"#8B00FF"</span>), <span class="ident">Color</span>::<span class="ident">WHITE</span>, ]; <span class="kw">let</span> <span class="ident">band_width</span> <span class="op">=</span> <span class="ident">total_width</span> <span class="op">/</span> (<span class="ident">colors</span>.<span class="ident">len</span>() <span class="kw">as</span> <span class="ident">f64</span>); <span class="kw">let</span> <span class="ident">slice</span> <span class="op">=</span> <span class="ident">turn</span> .<span class="ident">geom</span> .<span class="ident">exact_slice</span>(<span class="ident">total_width</span>, <span class="ident">turn</span>.<span class="ident">geom</span>.<span class="ident">length</span>() <span class="op">-</span> <span class="ident">total_width</span>) .<span class="ident">must_shift_left</span>(<span class="ident">total_width</span> <span class="op">/</span> <span class="number">2.0</span> <span class="op">-</span> <span class="ident">band_width</span> <span class="op">/</span> <span class="number">2.0</span>); <span class="kw">for</span> (<span class="ident">idx</span>, <span class="ident">color</span>) <span class="kw">in</span> <span class="ident">colors</span>.<span class="ident">into_iter</span>().<span class="ident">enumerate</span>() { <span class="ident">batch</span>.<span class="ident">push</span>( <span class="ident">color</span>, <span class="ident">slice</span> .<span class="ident">must_shift_right</span>(<span class="ident">band_width</span> <span class="op">*</span> (<span class="ident">idx</span> <span class="kw">as</span> <span class="ident">f64</span>)) .<span class="ident">make_polygons</span>(<span class="ident">band_width</span>), ); } <span class="bool-val">true</span> } <span class="comment">// TODO copied from DrawLane</span> <span class="kw">fn</span> <span class="ident">perp_line</span>(<span class="ident">l</span>: <span class="ident">Line</span>, <span class="ident">length</span>: <span class="ident">Distance</span>) <span class="op">-</span><span class="op">></span> <span class="ident">Line</span> { <span class="kw">let</span> <span class="ident">pt1</span> <span class="op">=</span> <span class="ident">l</span>.<span class="ident">shift_right</span>(<span class="ident">length</span> <span class="op">/</span> <span class="number">2.0</span>).<span class="ident">pt1</span>(); <span class="kw">let</span> <span class="ident">pt2</span> <span class="op">=</span> <span class="ident">l</span>.<span class="ident">shift_left</span>(<span class="ident">length</span> <span class="op">/</span> <span class="number">2.0</span>).<span class="ident">pt1</span>(); <span class="ident">Line</span>::<span class="ident">must_new</span>(<span class="ident">pt1</span>, <span class="ident">pt2</span>) } </pre></div> </section><section id="search" class="content hidden"></section><section class="footer"></section><script>window.rootPath = "../../../";window.currentCrate = "map_gui";</script><script src="../../../main.js"></script><script src="../../../source-script.js"></script><script src="../../../source-files.js"></script><script defer src="../../../search-index.js"></script></body></html>