48 lines
1.4 KiB
C#
48 lines
1.4 KiB
C#
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using Godot;
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using Polonium.Attributes;
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// ReSharper disable once CheckNamespace
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namespace GlobalClasses;
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[ProxyNode]
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[GlobalClass]
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[Tool]
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public partial class MouseControlledCamera : Camera2D
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{
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private Vector2 DragStartPosition { get; set; }
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private bool IsDragging { get; set; }
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[Signal]
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public delegate void ZoomInEventHandler();
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[Signal]
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public delegate void ZoomOutEventHandler();
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[Export]
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public MouseButton DragButton { get; set; } = MouseButton.Middle;
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public override void _UnhandledInput(InputEvent @event)
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{
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if (@event is InputEventMouseButton mouseButtonEvent)
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{
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if(mouseButtonEvent.ButtonIndex == MouseButton.WheelUp)
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EmitSignalZoomIn();
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else if(mouseButtonEvent.ButtonIndex == MouseButton.WheelDown)
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EmitSignalZoomOut();
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else if (mouseButtonEvent.ButtonIndex == DragButton)
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{
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IsDragging = mouseButtonEvent.Pressed;
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if(IsDragging)
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DragStartPosition = GetGlobalMousePosition();
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}
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}
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else if (@event is InputEventMouseMotion mouseMotionEvent && IsDragging)
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{
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Vector2 mousePos = GetGlobalMousePosition();
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Vector2 offset = DragStartPosition - mousePos;
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Position += offset;
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DragStartPosition = mousePos;
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}
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}
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} |