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@@ -140,7 +140,7 @@ node, so we'll add a script. Click the ``Player`` node and click the
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In the script settings window, you can leave the default settings alone. Just
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click "Create":
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-.. note:: If you're creating a C# script or other languages, select the
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+.. note:: If you're creating a C# script or other languages, select the
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language from the `language` drop down menu before hitting create.
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.. image:: img/attach_node_window.png
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@@ -157,14 +157,14 @@ Start by declaring the member variables this object will need:
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export (int) var speed # How fast the player will move (pixels/sec).
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var screensize # Size of the game window.
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-
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+
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.. code-tab:: csharp
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public class Player : Area2D
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{
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- [Export]
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+ [Export]
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public int Speed = 0; // How fast the player will move (pixels/sec).
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-
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+
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private Vector2 _screenSize; // Size of the game window.
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}
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@@ -179,7 +179,7 @@ the ``Player`` node and set the speed property to ``400``.
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.. image:: img/export_variable.png
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-The ``_ready()`` function is called when a node enters the scene tree,
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+The ``_ready()`` function is called when a node enters the scene tree,
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which is a good time to find the size of the game window:
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.. tabs::
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@@ -193,7 +193,7 @@ which is a good time to find the size of the game window:
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public override void _Ready()
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{
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_screenSize = GetViewport().GetSize();
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- }
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+ }
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Now we can use the ``_process()`` function to define what the player will do.
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``_process()`` is called every frame, so we'll use it to update
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@@ -241,19 +241,19 @@ or ``false`` if it isn't.
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if (Input.IsActionPressed("ui_right")) {
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velocity.x += 1;
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}
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-
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+
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if (Input.IsActionPressed("ui_left")) {
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velocity.x -= 1;
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}
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-
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+
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if (Input.IsActionPressed("ui_down")) {
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velocity.y += 1;
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}
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-
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+
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if (Input.IsActionPressed("ui_up")) {
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velocity.y -= 1;
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}
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-
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+
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var animatedSprite = (AnimatedSprite) GetNode("AnimatedSprite");
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if (velocity.Length() > 0) {
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velocity = velocity.Normalized() * Speed;
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@@ -261,7 +261,7 @@ or ``false`` if it isn't.
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} else {
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animatedSprite.Stop();
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}
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- }
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+ }
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We check each input and add/subtract from the ``velocity`` to obtain a
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total direction. For example, if you hold ``right`` and ``down`` at
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@@ -282,7 +282,7 @@ AnimatedSprite animation.
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.. tip:: ``$`` returns the node at the relative path from this node, or returns ``null`` if the node is not found.
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Since AnimatedSprite is a child of the current node, we can use ``$AnimatedSprite``.
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-
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+
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``$`` is shorthand for ``get_node()``.
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So in the code above, ``$AnimatedSprite.play()`` is the same as ``get_node("AnimatedSprite").play()``.
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@@ -335,7 +335,7 @@ Let's place this code at the end of our ``_process()`` function:
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elif velocity.y != 0:
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$AnimatedSprite.animation = "up"
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$AnimatedSprite.flip_v = velocity.y > 0
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-
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+
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.. code-tab:: csharp
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if (velocity.x != 0) {
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@@ -354,7 +354,7 @@ starts:
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.. tabs::
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.. code-tab:: gdscript GDScript
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-
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+
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hide()
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.. code-tab:: csharp
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@@ -377,7 +377,7 @@ Add the following at the top of the script, after ``extends Area2d``:
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.. code-tab:: csharp
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- [Signal]
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+ [Signal]
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public delegate void Hit();
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This defines a custom signal called "hit" that we will have our player
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@@ -415,7 +415,7 @@ Add this code to the function:
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{
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Hide(); // Player disappears after being hit.
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EmitSignal("Hit");
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-
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+
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// For the sake of this example, but it's better to create a class var
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// then assign the variable inside _Ready()
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var collisionShape2D = (CollisionShape2D) GetNode("CollisionShape2D");
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@@ -444,7 +444,7 @@ the player when starting a new game.
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{
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Position = pos;
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Show();
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-
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+
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var collisionShape2D = (CollisionShape2D) GetNode("CollisionShape2D");
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collisionShape2D.Disabled = false;
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}
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@@ -490,7 +490,7 @@ We'll select one of these animations randomly so that the mobs will have some va
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.. image:: img/mob_animations.gif
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-``fly`` should be set to 3 FPS, with ``swim`` and ``walk`` set to 4 FPS.
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+``fly`` should be set to 3 FPS, with ``swim`` and ``walk`` set to 4 FPS.
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Like the player images, these mob images need to be scaled down. Set the
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``AnimatedSprite``'s ``Scale`` property to ``(0.75, 0.75)``.
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@@ -517,10 +517,10 @@ Add a script to the ``Mob`` and add the following member variables:
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public class Mob : RigidBody2D
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{
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- [Export]
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+ [Export]
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public int MinSpeed = 150; // Minimum speed range.
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- [Export]
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+ [Export]
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public int MaxSpeed = 250; // Maximum speed range.
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private String[] _mobTypes = {"walk", "swim", "fly"};
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@@ -532,7 +532,7 @@ at the same speed). Set them to ``150`` and ``250`` in the Inspector. We
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also have an array containing the names of the three animations, which
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we'll use to select a random one.
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-Now let's look at the rest of the script. In ``_ready()`` we randomly
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+Now let's look at the rest of the script. In ``_ready()`` we randomly
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choose one of the three animation types:
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.. tabs::
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@@ -546,7 +546,7 @@ choose one of the three animation types:
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public override void _Ready()
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{
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var animatedSprite = (AnimatedSprite) GetNode("AnimatedSprite");
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-
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+
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// C# doesn't implement GDScript's random methods, so we use 'Random'
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// as an alternative.
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//
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@@ -615,7 +615,7 @@ Spawning Mobs
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The Main node will be spawning new mobs, and we want them to appear at a
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random location on the edge of the screen. Add a :ref:`Path2D <class_Path2D>` node named
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-``MobPath`` as a child of ``Main``. When you select ``Path2D``,
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+``MobPath`` as a child of ``Main``. When you select ``Path2D``,
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you will see some new buttons at the top of the editor:
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.. image:: img/path2d_buttons.png
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@@ -661,7 +661,7 @@ instance.
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public class Main : Node
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{
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- [Export]
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+ [Export]
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public PackedScene Mob;
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public int Score = 0;
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@@ -709,7 +709,7 @@ function to set everything up for a new game:
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//timers
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var mobTimer = (Timer) GetNode("MobTimer");
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var scoreTimer = (Timer) GetNode("ScoreTimer");
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-
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+
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scoreTimer.Stop();
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mobTimer.Stop();
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}
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@@ -717,16 +717,16 @@ function to set everything up for a new game:
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public void NewGame()
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{
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Score = 0;
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-
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+
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var player = (Player) GetNode("Player");
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var startTimer = (Timer) GetNode("StartTimer");
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var startPosition = (Position2D) GetNode("StartPosition");
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-
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+
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player.Start(startPosition.Position);
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startTimer.Start();
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}
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-Now connect the ``timeout()`` signal of each of the Timer nodes.
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+Now connect the ``timeout()`` signal of each of the Timer nodes (``StartTimer``, ``ScoreTimer`` ,and ``MobTimer``).
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``StartTimer`` will start the other two timers. ``ScoreTimer`` will
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increment the score by 1.
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@@ -747,7 +747,7 @@ increment the score by 1.
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//timers
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var mobTimer = (Timer) GetNode("MobTimer");
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var scoreTimer = (Timer) GetNode("ScoreTimer");
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-
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+
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mobTimer.Start();
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scoreTimer.Start();
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}
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@@ -766,6 +766,11 @@ well as its position.
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Note that a new instance must be added to the scene using
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``add_child()``.
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+Now click on ``MobTimer`` in the scene window then head to inspector window,
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+switch to node view then click on ``timeout()`` and connect the signal.
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+
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+Add the following code:
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+
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.. tabs::
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.. code-tab:: gdscript GDScript
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@@ -928,7 +933,7 @@ Now add this script to ``HUD``:
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public class HUD : CanvasLayer
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{
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- [Signal]
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+ [Signal]
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public delegate void StartGame();
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}
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@@ -949,7 +954,7 @@ has been pressed.
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{
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var messageTimer = (Timer) GetNode("MessageTimer");
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var messageLabel = (Label) GetNode("MessageLabel");
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-
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+
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messageLabel.Text = text;
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messageLabel.Show();
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messageTimer.Start();
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@@ -1023,7 +1028,7 @@ Connect the ``timeout()`` signal of ``MessageTimer`` and the
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{
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var startButton = (Button) GetNode("StartButton");
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startButton.Hide();
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-
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+
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EmitSignal("StartGame");
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}
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Mrwan Ashraf