Syntriax/Engine-Pong
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

refactor: Camera Controller

Browse Source
This commit is contained in:
Syntriax
2024-01-30 12:23:45 +03:00
parent 958a75552f
commit a9c7b8b660
3 changed files with 71 additions and 64 deletions
Download Patch File Download Diff File Expand all files Collapse all files

55
Game/Behaviours/CameraController.cs Normal file
View File

@@ -0,0 +1,55 @@
using Microsoft.Xna.Framework.Input;
using Syntriax.Engine.Core;
using Syntriax.Engine.Input;
namespace Pong.Behaviours;
public class CameraController : BehaviourOverride
{
private MonoGameCameraBehaviour cameraBehaviour = null!;
private IButtonInputs<Keys> buttonInputs = null!;
protected override void OnFirstActiveFrame()
{
if (BehaviourController.TryGetBehaviour(out MonoGameCameraBehaviour? foundCameraBehaviour))
cameraBehaviour = foundCameraBehaviour;
cameraBehaviour ??= BehaviourController.AddBehaviour<MonoGameCameraBehaviour>();
if (BehaviourController.TryGetBehaviour(out IButtonInputs<Keys>? foundButtonInputs))
buttonInputs = foundButtonInputs;
buttonInputs ??= BehaviourController.AddBehaviour<KeyboardInputsBehaviour>();
buttonInputs.RegisterOnPress(Keys.F, SwitchToFullScreen);
}
protected override void OnUpdate()
{
if (buttonInputs.IsPressed(Keys.U))
cameraBehaviour.Zoom += Time.Elapsed.Nanoseconds * 0.00025f;
if (buttonInputs.IsPressed(Keys.J))
cameraBehaviour.Zoom -= Time.Elapsed.Nanoseconds * 0.00025f;
if (buttonInputs.IsPressed(Keys.Q))
cameraBehaviour.BehaviourController.GameObject.Transform.Rotation += Time.Elapsed.Nanoseconds * 0.000025f;
if (buttonInputs.IsPressed(Keys.E))
cameraBehaviour.BehaviourController.GameObject.Transform.Rotation -= Time.Elapsed.Nanoseconds * 0.000025f;
}
private void SwitchToFullScreen(IButtonInputs<Keys> inputs, Keys keys)
{
if (Game1.graphics.IsFullScreen)
return;
Game1.graphics.PreferMultiSampling = false;
Game1.graphics.PreferredBackBufferWidth = Game1.graphics.GraphicsDevice.Adapter.CurrentDisplayMode.Width;
Game1.graphics.PreferredBackBufferHeight = Game1.graphics.GraphicsDevice.Adapter.CurrentDisplayMode.Height;
Game1.graphics.IsFullScreen = true;
Game1.graphics.ApplyChanges();
float previousScreenSize = Math.Sqrt(Math.Pow(cameraBehaviour.Viewport.Width, 2f) + Math.Pow(cameraBehaviour.Viewport.Height, 2f));
float currentScreenSize = Math.Sqrt(Math.Pow(Game1.graphics.GraphicsDevice.Viewport.Width, 2f) + Math.Pow(Game1.graphics.GraphicsDevice.Viewport.Height, 2f));
cameraBehaviour.Zoom /= previousScreenSize / currentScreenSize;
cameraBehaviour.Viewport = Game1.graphics.GraphicsDevice.Viewport;
}
}

20
Game/Behaviours/MonoGameCameraBehaviour.cs
View File

@@ -1,17 +1,12 @@
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;
using Syntriax.Engine.Core;
using Syntriax.Engine.Core.Abstract;
namespace Pong.Behaviours;
public class MonoGameCameraBehaviour : BehaviourOverride
{
public System.Action<MonoGameCameraBehaviour>? OnPositionChanged { get; set; } = null;
public System.Action<MonoGameCameraBehaviour>? OnMatrixTransformChanged { get; set; } = null;
public System.Action<MonoGameCameraBehaviour>? OnViewportChanged { get; set; } = null;
public System.Action<MonoGameCameraBehaviour>? OnRotationChanged { get; set; } = null;
public System.Action<MonoGameCameraBehaviour>? OnZoomChanged { get; set; } = null;
private Matrix _matrixTransform = Matrix.Identity;
@@ -81,19 +76,4 @@ public class MonoGameCameraBehaviour : BehaviourOverride
Matrix.CreateScale(Zoom) *
Matrix.CreateTranslation(new Vector3(_viewport.Width * .5f, _viewport.Height * .5f, 0f));
}
protected override void OnInitialize()
{
Transform.OnRotationChanged += OnTransformRotationChanged;
Transform.OnPositionChanged += OnTransformPositionChanged;
}
protected override void OnFinalize()
{
Transform.OnRotationChanged -= OnTransformRotationChanged;
Transform.OnPositionChanged -= OnTransformPositionChanged;
}
private void OnTransformRotationChanged(ITransform _) => OnRotationChanged?.Invoke(this);
private void OnTransformPositionChanged(ITransform _) => OnPositionChanged?.Invoke(this);
}