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refactor: ICamera interface added with view and projection matrices fields

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Syntriax
2026-01-26 23:48:16 +03:00
parent af6dde84fd
commit 7c9973a5e7
6 changed files with 69 additions and 38 deletions
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29
Engine.Integration/Engine.Integration.MonoGame/Behaviours/MonoGameCamera3D.cs
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@@ -21,7 +21,7 @@ public class MonoGameCamera3D : Behaviour, ICamera3D, IFirstFrameUpdate, ILastFr
public GraphicsDeviceManager Graphics { get; private set; } = null!;
public ITransform3D Transform { get; private set; } = null!;
public Matrix View
public Matrix4x4 ViewMatrix
{
get;
set
@@ -29,13 +29,13 @@ public class MonoGameCamera3D : Behaviour, ICamera3D, IFirstFrameUpdate, ILastFr
if (field == value)
return;
Matrix previousView = field;
Matrix4x4 previousView = field;
field = value;
OnViewChanged.Invoke(this, new(previousView));
}
} = Matrix.Identity;
} = Matrix4x4.Identity;
public Matrix Projection
public Matrix4x4 ProjectionMatrix
{
get;
set
@@ -43,11 +43,11 @@ public class MonoGameCamera3D : Behaviour, ICamera3D, IFirstFrameUpdate, ILastFr
if (field == value)
return;
Matrix previousProjection = field;
Matrix4x4 previousProjection = field;
field = value;
OnProjectionChanged.Invoke(this, new(previousProjection));
}
} = Matrix.Identity;
} = Matrix4x4.Identity;
public Viewport Viewport
{
@@ -111,14 +111,17 @@ public class MonoGameCamera3D : Behaviour, ICamera3D, IFirstFrameUpdate, ILastFr
Vector3 nearPoint = new(screenPosition.X, screenPosition.Y, 0f);
Vector3 farPoint = new(screenPosition.X, screenPosition.Y, 1f);
Vector3 worldNear = Viewport.Unproject(nearPoint, Projection, View, Matrix.Identity);
Vector3 worldFar = Viewport.Unproject(farPoint, Projection, View, Matrix.Identity);
Matrix projection = ProjectionMatrix.ToXnaMatrix();
Matrix view = ViewMatrix.ToXnaMatrix();
Vector3 worldNear = Viewport.Unproject(nearPoint, projection, view, Matrix.Identity);
Vector3 worldFar = Viewport.Unproject(farPoint, projection, view, Matrix.Identity);
Vector3 direction = Vector3.Normalize(worldFar - worldNear);
return new(worldNear.ToVector3D(), direction.ToVector3D());
}
public Vector2D WorldToScreenPosition(Vector3D worldPosition) => Viewport.Project(worldPosition.ToVector3(), Projection, View, Matrix.Identity).ToVector3D();
public Vector2D WorldToScreenPosition(Vector3D worldPosition) => Viewport.Project(worldPosition.ToVector3(), ProjectionMatrix.ToXnaMatrix(), ViewMatrix.ToXnaMatrix(), Matrix.Identity).ToVector3D();
public void LastActiveFrame() => Transform.OnTransformUpdated.RemoveListener(SetDirtyOnTransformUpdate);
public void FirstActiveFrame()
@@ -150,7 +153,7 @@ public class MonoGameCamera3D : Behaviour, ICamera3D, IFirstFrameUpdate, ILastFr
Vector3 right = Vector3.Normalize(Transform.Right.ToVector3());
Vector3 position = Transform.Position.ToVector3();
View = new Matrix(
ViewMatrix = new Matrix4x4(
right.X, up.X, forward.X, 0,
right.Y, up.Y, forward.Y, 0,
right.Z, up.Z, forward.Z, 0,
@@ -166,7 +169,7 @@ public class MonoGameCamera3D : Behaviour, ICamera3D, IFirstFrameUpdate, ILastFr
float yScale = 1f / (float)Math.Tan(fieldOfView / 2f);
float xScale = yScale / Viewport.AspectRatio;
Projection = new Matrix(
ProjectionMatrix = new Matrix4x4(
xScale, 0, 0, 0,
0, yScale, 0, 0,
0, 0, FarPlane / (FarPlane - NearPlane), 1,
@@ -174,7 +177,7 @@ public class MonoGameCamera3D : Behaviour, ICamera3D, IFirstFrameUpdate, ILastFr
);
}
public readonly record struct ViewChangedArguments(Matrix PreviousView);
public readonly record struct ProjectionChangedArguments(Matrix PreviousProjection);
public readonly record struct ViewChangedArguments(Matrix4x4 PreviousView);
public readonly record struct ProjectionChangedArguments(Matrix4x4 PreviousProjection);
public readonly record struct ViewportChangedArguments(Viewport PreviousViewport);
}