68 lines
1.6 KiB
C#
68 lines
1.6 KiB
C#
using Godot;
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using System;
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[Tool]
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public partial class Interactable : Node2D
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{
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private const double Tolerance = 1e-6;
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[Signal]
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public delegate void PlayerNearByEventHandler(Player player);
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[Signal]
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public delegate void PlayerLeftEventHandler(Player player);
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[Export] public Vector2 SpriteOffset;
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[Export] public float AreaRadius;
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private AnimatedSprite2D _sprite;
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private CollisionShape2D _areaMesh;
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private CircleShape2D _collisionCircle;
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// Called when the node enters the scene tree for the first time.
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public override void _Ready()
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{
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_sprite = (AnimatedSprite2D)FindChild("AnimatedSprite2D");
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_areaMesh = (CollisionShape2D)FindChild("CollisionShape2D");
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_sprite.Position = SpriteOffset;
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_collisionCircle =(CircleShape2D)_areaMesh.Shape;
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_collisionCircle.Radius = AreaRadius;
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if (Engine.IsEditorHint())
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{
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_sprite.Visible = true;
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}
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else
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{
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_sprite.Visible = false;
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}
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}
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// Called every frame. 'delta' is the elapsed time since the previous frame.
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public override void _Process(double delta)
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{
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if (Engine.IsEditorHint())
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{
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if (_sprite.Position != SpriteOffset) _sprite.Position = SpriteOffset;
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if (Math.Abs(_collisionCircle.Radius - AreaRadius) > Tolerance) _collisionCircle.Radius = AreaRadius;
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}
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}
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private void _on_area_2d_body_entered(Node2D body)
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{
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if (body is Player player)
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{
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_sprite.Visible = true;
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EmitSignal(SignalName.PlayerNearBy, player);
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}
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}
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private void _on_area_2d_body_exited(Node2D body)
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{
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if (body is Player player)
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{
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_sprite.Visible = false;
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EmitSignal(SignalName.PlayerLeft, player);
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}
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}
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}
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