Fix lights

src/drawables/shapes/circle.ts

@@ -36,7 +36,7 @@ export class Circle extends Drawable {
     super();
   }
 
-  public distance(target: vec2): number {
+  public minDistance(target: vec2): number {
     return vec2.dist(this.center, target) - this.radius;
   }
 

src/drawables/shapes/inverted-tunnel.ts

@@ -60,7 +60,7 @@ export class InvertedTunnel extends Drawable {
     super();
   }
 
-  public distance(target: vec2): number {
+  public minDistance(target: vec2): number {
     const toFromDelta = vec2.subtract(vec2.create(), this.to, this.from);
     const targetFromDelta = vec2.subtract(vec2.create(), target, this.from);
 

src/drawables/shapes/tunnel.ts

@@ -65,7 +65,7 @@ export class Tunnel extends Drawable {
     super();
   }
 
-  public distance(target: vec2): number {
+  public minDistance(target: vec2): number {
     const toFromDelta = vec2.subtract(vec2.create(), this.to, this.from);
     const targetFromDelta = vec2.subtract(vec2.create(), target, this.from);