pull out world viewport size into a Camera class

GitOrigin-RevId: 92cd946afe

Jumpy.Shared/Camera.cs

@@ -0,0 +1,10 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Jumpy {
+  class Camera {
+    public const int Width = (int) (320 * 1.5);
+    public const int Height = (int) (180 * 1.5);
+  }
+}

Jumpy.Shared/Jumpy.Shared.projitems

@@ -9,6 +9,7 @@
     <Import_RootNamespace>Jumpy.Shared</Import_RootNamespace>
   </PropertyGroup>
   <ItemGroup>
+    <Compile Include="$(MSBuildThisFileDirectory)Camera.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)IDisplay.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)KeyboardInput.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)JumpyGame.cs" />

Jumpy.Shared/JumpyGame.cs

@@ -29,7 +29,7 @@ namespace Jumpy {
       display.SetFullScreen(fullScreen);
 
       renderTarget = new RenderTarget2D(
-        GraphicsDevice, 320, 180, false /* mipmap */,
+        GraphicsDevice, Camera.Width, Camera.Height, false /* mipmap */,
         GraphicsDevice.PresentationParameters.BackBufferFormat, DepthFormat.Depth24);
 
       base.Initialize();
@@ -40,7 +40,6 @@ namespace Jumpy {
       spriteBatch = new SpriteBatch(GraphicsDevice);
       font = Content.Load<SpriteFont>("font");
       player = new Player(Content.Load<Texture2D>("player_1x"));
-
     }
 
     // Called once per game. Unloads all game content.

Jumpy.Shared/Player.cs

@@ -9,16 +9,15 @@ namespace Jumpy {
     enum Pose { Walking, Standing, Crouching, Stretching, SwordSwing, Jumping };
     enum AirState { Jumping, Ground };
 
+    private Texture2D texture;
     private const int spriteSize = 48;
-    private const int spriteWidth = 8;
+    private const int spriteWidth = 7;
     private const int moveSpeed = 200;
     private const int jumpSpeed = 600;
     private const int gravity = 2000;
-    private Texture2D texture;
+    private const int groundLevel = Camera.Height - spriteSize / 2;
 
-    // TODO: stop assuming 1920x1080.
-    private const int groundLevel = 180 - spriteSize / 2 - 10;
-    private Point position = new Point(200, groundLevel);
+    private Point position = new Point(Camera.Width / 2, groundLevel);
     private Facing facing = Facing.Right;
     private Pose pose = Pose.Standing;
     private AirState airState = AirState.Ground;
@@ -82,7 +81,7 @@ namespace Jumpy {
         pose = Pose.Jumping;
       }
    
-      position.X = (int) Math.Min(Math.Max(position.X, 0 + spriteWidth), 320 - spriteWidth);
+      position.X = Math.Min(Math.Max(position.X, 0 + spriteWidth), Camera.Width - spriteWidth);
     }
 
     private Point spritePosition(Pose pose, GameTime time) {