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feat: added a basic Viewport field to ICamera

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Syntriax
2026-03-28 22:35:01 +03:00
parent 734649955e
commit 0707665481
3 changed files with 23 additions and 19 deletions
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21
Engine.Integration/Engine.Integration.MonoGame/Behaviours/MonoGameCamera2D.cs
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@@ -1,5 +1,4 @@
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;
using Engine.Core;
@@ -41,7 +40,7 @@ public class MonoGameCamera2D : Behaviour, ICamera2D, IFirstFrameUpdate, ILastFr
}
} = Matrix4x4.Identity;
public Viewport Viewport
public Vector2D Viewport
{
get;
set
@@ -72,8 +71,8 @@ public class MonoGameCamera2D : Behaviour, ICamera2D, IFirstFrameUpdate, ILastFr
// TODO This causes delay since OnPreDraw calls assuming this is called in in Update
public Vector2D ScreenToWorldPosition(Vector2D screenPosition)
{
float x = 2f * screenPosition.X / Viewport.Width - 1f;
float y = 1f - 2f * screenPosition.Y / Viewport.Height;
float x = 2f * screenPosition.X / Viewport.X - 1f;
float y = 1f - 2f * screenPosition.Y / Viewport.Y;
Vector4D normalizedCoordinates = new(x, y, 0f, 1f);
Matrix4x4 invertedViewProjectionMatrix = (ProjectionMatrix * ViewMatrix).Inverse;
@@ -96,8 +95,8 @@ public class MonoGameCamera2D : Behaviour, ICamera2D, IFirstFrameUpdate, ILastFr
if (clip.W != 0f)
clip /= clip.W;
float screenX = (clip.X + 1f) * .5f * Viewport.Width;
float screenY = (1f - clip.Y) * .5f * Viewport.Height;
float screenX = (clip.X + 1f) * .5f * Viewport.X;
float screenY = (1f - clip.Y) * .5f * Viewport.Y;
return new(screenX, screenY);
}
@@ -106,17 +105,17 @@ public class MonoGameCamera2D : Behaviour, ICamera2D, IFirstFrameUpdate, ILastFr
public void FirstActiveFrame()
{
Graphics = BehaviourController.UniverseObject.Universe.FindRequiredBehaviour<MonoGameWindowContainer>().Window.Graphics;
Viewport = Graphics.GraphicsDevice.Viewport;
Viewport = new(Graphics.GraphicsDevice.Viewport.Width, Graphics.GraphicsDevice.Viewport.Height);
Transform = BehaviourController.GetRequiredBehaviour<ITransform2D>();
}
public void PreDraw()
{
ProjectionMatrix = Matrix4x4.CreateOrthographicViewCentered(Viewport.Width, Viewport.Height);
ProjectionMatrix = Matrix4x4.CreateOrthographicViewCentered(Viewport.X, Viewport.Y);
ViewMatrix = Matrix4x4.Identity
.ApplyTranslation(new Vector3D(-Transform.Position.X, -Transform.Position.Y, 0f))
.ApplyRotationZ(Transform.Rotation * Math.DegreeToRadian)
.ApplyScale(Transform.Scale.X.Max(Transform.Scale.Y))
.ApplyScale(Zoom)
.ApplyRotationZ(-Transform.Rotation * Math.DegreeToRadian)
.ApplyTranslation(new Vector3D(-Transform.Position.X, -Transform.Position.Y, 0f));
.ApplyScale(Zoom);
}
}