56 lines
2.4 KiB
C#
56 lines
2.4 KiB
C#
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using Microsoft.Xna.Framework.Input;
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using Syntriax.Engine.Core;
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using Syntriax.Engine.Input;
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namespace Pong.Behaviours;
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public class CameraController : BehaviourOverride
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{
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private MonoGameCameraBehaviour cameraBehaviour = null!;
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private IButtonInputs<Keys> buttonInputs = null!;
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protected override void OnFirstActiveFrame()
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{
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if (BehaviourController.TryGetBehaviour(out MonoGameCameraBehaviour? foundCameraBehaviour))
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cameraBehaviour = foundCameraBehaviour;
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cameraBehaviour ??= BehaviourController.AddBehaviour<MonoGameCameraBehaviour>();
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if (BehaviourController.TryGetBehaviour(out IButtonInputs<Keys>? foundButtonInputs))
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buttonInputs = foundButtonInputs;
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buttonInputs ??= BehaviourController.AddBehaviour<KeyboardInputsBehaviour>();
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buttonInputs.RegisterOnPress(Keys.F, SwitchToFullScreen);
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}
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protected override void OnUpdate()
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{
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if (buttonInputs.IsPressed(Keys.U))
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cameraBehaviour.Zoom += Time.Elapsed.Nanoseconds * 0.00025f;
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if (buttonInputs.IsPressed(Keys.J))
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cameraBehaviour.Zoom -= Time.Elapsed.Nanoseconds * 0.00025f;
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if (buttonInputs.IsPressed(Keys.Q))
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cameraBehaviour.BehaviourController.GameObject.Transform.Rotation += Time.Elapsed.Nanoseconds * 0.000025f;
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if (buttonInputs.IsPressed(Keys.E))
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cameraBehaviour.BehaviourController.GameObject.Transform.Rotation -= Time.Elapsed.Nanoseconds * 0.000025f;
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}
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private void SwitchToFullScreen(IButtonInputs<Keys> inputs, Keys keys)
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{
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if (Game1.graphics.IsFullScreen)
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return;
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Game1.graphics.PreferMultiSampling = false;
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Game1.graphics.PreferredBackBufferWidth = Game1.graphics.GraphicsDevice.Adapter.CurrentDisplayMode.Width;
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Game1.graphics.PreferredBackBufferHeight = Game1.graphics.GraphicsDevice.Adapter.CurrentDisplayMode.Height;
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Game1.graphics.IsFullScreen = true;
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Game1.graphics.ApplyChanges();
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float previousScreenSize = Math.Sqrt(Math.Pow(cameraBehaviour.Viewport.Width, 2f) + Math.Pow(cameraBehaviour.Viewport.Height, 2f));
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float currentScreenSize = Math.Sqrt(Math.Pow(Game1.graphics.GraphicsDevice.Viewport.Width, 2f) + Math.Pow(Game1.graphics.GraphicsDevice.Viewport.Height, 2f));
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cameraBehaviour.Zoom /= previousScreenSize / currentScreenSize;
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cameraBehaviour.Viewport = Game1.graphics.GraphicsDevice.Viewport;
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}
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}
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