66 lines
No EOL
2 KiB
C#
66 lines
No EOL
2 KiB
C#
#region usings
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using OpenTK;
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using SM.Base.Windows;
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#endregion
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namespace SM.Base.Scene
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{
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/// <summary>
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/// Controller for a camera
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/// </summary>
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public abstract class GenericCamera
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{
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/// <summary>
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/// This defines what is up. (Normalized)
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/// <para>Default: <see cref="Vector3.UnitY" /></para>
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/// </summary>
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public Vector3 UpVector { get; set; } = Vector3.UnitY;
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/// <summary>
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/// Returns the world matrix that is connected to this camera.
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/// </summary>
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public Matrix4 World { get; protected set; }
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/// <summary>
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/// Contains the view matrix of this camera.
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/// <para>Default: <see cref="Matrix4.Identity" /></para>
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/// </summary>
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public Matrix4 View { get; protected set; } = Matrix4.Identity;
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/// <summary>
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/// Represents if the camera is orthographic.
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/// </summary>
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public abstract bool Orthographic { get; }
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/// <summary>
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/// Exposure defines the exposure to the Scene.
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/// </summary>
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public float Exposure = 1;
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/// <summary>
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/// Calculates the view matrix.
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/// </summary>
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/// <returns>The calculated view matrix. Same as <see cref="View" /></returns>
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internal void CalculateViewMatrix(IGenericWindow window)
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{
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View = ViewCalculation(window);
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if (WorldCalculation(window, out Matrix4 world))
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{
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World = world;
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}
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}
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/// <summary>
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/// This calculates the view matrix.
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/// </summary>
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/// <returns>
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/// The new view matrix. This is the returns for <see cref="CalculateViewMatrix" /> and the next value for
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/// <see cref="View" />.
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/// </returns>
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protected abstract Matrix4 ViewCalculation(IGenericWindow window);
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protected abstract bool WorldCalculation(IGenericWindow window, out Matrix4 world);
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}
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} |