Player: remove GetPose, add VisionRange and VisionRay.

Fixes #21.

GitOrigin-RevId: 720972d1c8

Shared/LinesOfSight.cs

@@ -23,20 +23,13 @@ namespace SemiColinGames {
 
     public void Update(Player player, AABB[] collisionTargets) {
       Vector2 eyePos = player.EyePosition;
+      float visionRange = player.VisionRange;
+      Vector2 ray = player.VisionRay;
 
-      float visionRange = 150;
       float visionRangeSq = visionRange * visionRange;
       float fov = FMath.DegToRad(120);
       float fovStep = fov / (numEdgeVertices - 1);
 
-      Vector2 ray = new Vector2(visionRange * player.Facing, 0);
-      if (player.GetPose == Player.Pose.Stretching) {
-        ray = ray.Rotate(player.Facing * FMath.DegToRad(-30));
-      }
-      if (player.GetPose == Player.Pose.Crouching) {
-        ray = ray.Rotate(player.Facing * FMath.DegToRad(30));
-      }
-
       coneVertices[0] = new VertexPositionColor(new Vector3(player.EyePosition, 0), color);
       for (int i = 0; i < numEdgeVertices; i++) {
         float angle = -fov / 2 + fovStep * i;

Shared/Player.cs

@@ -5,7 +5,7 @@ using System.Collections.Generic;
 
 namespace SemiColinGames {
   class Player {
-    public enum Pose { Walking, Standing, Crouching, Stretching, SwordSwing, Jumping };
+    private enum Pose { Walking, Standing, Crouching, Stretching, SwordSwing, Jumping };
 
     private const int moveSpeed = 180;
     private const int jumpSpeed = -600;
@@ -41,10 +41,6 @@ namespace SemiColinGames {
 
     public int Facing { get; private set; } = 1;
 
-    public Pose GetPose {
-      get { return pose; }
-    }
-
     public Point Position { get { return position; } }
 
     public void Update(float modelTime, History<Input> input, AABB[] collisionTargets) {
@@ -157,6 +153,25 @@ namespace SemiColinGames {
       }
     }
 
+    public float VisionRange {
+      get {
+        return 150;
+      }
+    }
+
+    public Vector2 VisionRay {
+      get {
+        Vector2 ray = new Vector2(VisionRange * Facing, 0);
+        if (pose == Pose.Stretching) {
+          ray = ray.Rotate(Facing * FMath.DegToRad(-30));
+        }
+        if (pose == Pose.Crouching) {
+          ray = ray.Rotate(Facing * FMath.DegToRad(30));
+        }
+        return ray;
+      }
+    }
+
     // Returns the desired (dx, dy) for the player to move this frame.
     Vector2 HandleInput(float modelTime, History<Input> input) {
       Vector2 result = new Vector2() {