Add collision radius

src/controller/gamecontext.ts

@@ -39,6 +39,7 @@ export class GameContext {
 	private readonly entityPos: vec2 = vec2.clone([6, 6]);
 	private readonly entityMovement: vec2 = vec2.create();
 
+	private readonly collisionRadius = 7 / 16;
 	private readonly walls: LineSegment[] = [
 		LineSegment.fromPoints(vec2.fromValues(1, 1), vec2.fromValues(11, 1)),
 
@@ -99,10 +100,14 @@ export class GameContext {
 			const move = new Movement(this.entityPos, dest);
 
 			for (const w of this.walls) {
-				if (!w.collidesMove(dest2, move))
+				if (!w.collidesMoveCircle(dest2, move, this.collisionRadius))
 					continue;
 
 				if (!vec2.exactEquals(dest, dest2)) {
+					// Ensure termination
+					if (vec2.squaredDistance(this.entityPos, dest2) >= vec2.squaredDistance(this.entityPos, dest))
+						return;
+
 					vec2.copy(dest, dest2);
 					rescan = true;
 					break;