add sword swing

GitOrigin-RevId: 46ebf8496eca9d752eeec6d3a2fad202a8f33867

Jumpy.Shared/Player.cs

@@ -6,24 +6,30 @@ using System;
 namespace Jumpy {
   class Player {
     enum Facing { Left, Right };
-    enum Pose { Walking, Standing, Crouching, Stretching };
+    enum Pose { Walking, Standing, Crouching, Stretching, SwordSwing };
 
     private const int spriteSize = 144;
     private const int spriteWidth = 20;
     private const int moveSpeed = 600;
+    private Texture2D texture;
 
     // TODO: stop assuming 1920x1080.
     private Vector2 position = new Vector2(200, 1080 - spriteSize / 2);
     private Facing facing = Facing.Right;
     private Pose pose = Pose.Standing;
-    private Texture2D texture;
+    private double swordSwingTime = 0;
 
     public Player(Texture2D texture) {
       this.texture = texture;
     }
 
-    public void Update(GameTime gameTime, GamePadState gamePadState) {
-      Vector2 leftStick = gamePadState.ThumbSticks.Left;
+    public void Update(GameTime gameTime, GamePadState gamePad) {
+      if (gamePad.Buttons.X == ButtonState.Pressed && swordSwingTime <= 0) {
+        swordSwingTime = 0.3;
+        pose = Pose.SwordSwing;
+        return;
+      }
+      Vector2 leftStick = gamePad.ThumbSticks.Left;
       if (leftStick.X < -0.5) {
         facing = Facing.Left;
         pose = Pose.Walking;
@@ -39,6 +45,12 @@ namespace Jumpy {
       } else {
         pose = Pose.Standing;
       }
+
+      if (swordSwingTime > 0) {
+        swordSwingTime -= gameTime.ElapsedGameTime.TotalSeconds;
+        pose = Pose.SwordSwing;
+      }
+
       position.X = Math.Min(Math.Max(position.X, 0 + spriteWidth), 1920 - spriteWidth);
     }
 
@@ -54,6 +66,14 @@ namespace Jumpy {
           return new Point(spriteSize * 7, spriteSize * 2);
         case Pose.Stretching:
           return new Point(spriteSize * 1, spriteSize * 2);
+        case Pose.SwordSwing:
+          if (swordSwingTime > 0.2) {
+            return new Point(spriteSize * 3, 0);
+          } else if (swordSwingTime > 0.1) {
+            return new Point(spriteSize * 4, 0);
+          } else {
+            return new Point(spriteSize * 5, 0);
+          }
         case Pose.Standing:
         default:
           return new Point(spriteSize * 7, 0);