93 lines
2.1 KiB
C#
93 lines
2.1 KiB
C#
using Godot;
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using System;
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public partial class Marble : Area2D
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{
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// Don't forget to rebuild the project so the editor knows about the new signal.
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[Signal]
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public delegate void HitEventHandler();
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[Export]
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public int Speed { get; set; } = 400; // How fast the player will move (pixels/sec).
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public Vector2 ScreenSize; // Size of the game window.
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public override void _Ready()
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{
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ScreenSize = GetViewportRect().Size;
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Hide();
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}
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public override void _Process(double delta) //THIS IS LIKE THE UPDATE FUNCTION
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{
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var velocity = Vector2.Zero; // The player's movement vector.
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if (Input.IsActionPressed("move_right"))
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{
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velocity.X += 1;
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}
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if (Input.IsActionPressed("move_left"))
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{
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velocity.X -= 1;
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}
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if (Input.IsActionPressed("move_down"))
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{
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velocity.Y += 1;
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}
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if (Input.IsActionPressed("move_up"))
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{
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velocity.Y -= 1;
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}
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var animatedSprite2D = GetNode<AnimatedSprite2D>("AnimatedSprite2D");
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if (velocity.Length() > 0)
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{
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velocity = velocity.Normalized() * Speed;
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animatedSprite2D.Play();
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}
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else
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{
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animatedSprite2D.Stop();
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}
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Position += velocity * (float)delta;
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Position = new Vector2(
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x: Mathf.Clamp(Position.X, 0, ScreenSize.X),
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y: Mathf.Clamp(Position.Y, 0, ScreenSize.Y)
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);
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if (velocity.X != 0)
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{
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animatedSprite2D.Animation = "walk";
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animatedSprite2D.FlipV = false;
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// See the note below about the following boolean assignment.
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animatedSprite2D.FlipH = velocity.X < 0;
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}
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else if (velocity.Y != 0)
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{
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animatedSprite2D.Animation = "up";
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animatedSprite2D.FlipV = velocity.Y > 0;
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}
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}
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// We also specified this function name in PascalCase in the editor's connection window.
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private void OnBodyEntered(Node2D body)
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{
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Hide(); // Player disappears after being hit.
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EmitSignal(SignalName.Hit);
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// Must be deferred as we can't change physics properties on a physics callback.
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GetNode<CollisionShape2D>("CollisionShape2D").SetDeferred(CollisionShape2D.PropertyName.Disabled, true);
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}
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public void Start(Vector2 position)
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{
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Position = position;
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Show();
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GetNode<CollisionShape2D>("CollisionShape2D").Disabled = false;
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}
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}
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