50 lines
1.2 KiB
C#
50 lines
1.2 KiB
C#
using OpenTK.Mathematics;
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namespace fluidsC_;
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public class Camera
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{
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public Vector3 Position;
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public float AspectRatio;
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public Vector3 Front = -Vector3.UnitZ;
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public Vector3 Up = Vector3.UnitY;
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public Vector3 Right = Vector3.UnitX;
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public float Pitch;
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public float Yaw = -MathHelper.PiOver2;
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public float Speed = 2.5f;
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public float Sensitivity = 0.002f;
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public Camera(Vector3 position, float aspectRatio)
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{
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Position = position;
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AspectRatio = aspectRatio;
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UpdateVectors();
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}
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public Matrix4 GetViewMatrix()
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{
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return Matrix4.LookAt(Position, Position + Front, Up);
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}
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public Matrix4 GetProjectionMatrix()
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{
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return Matrix4.CreatePerspectiveFieldOfView(MathHelper.PiOver4, AspectRatio, 0.01f, 100.0f);
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}
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public void UpdateVectors()
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{
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// Calculate the new Front vector
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Front.X = MathF.Cos(Yaw) * MathF.Cos(Pitch);
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Front.Y = MathF.Sin(Pitch);
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Front.Z = MathF.Sin(Yaw) * MathF.Cos(Pitch);
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Front = Vector3.Normalize(Front);
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// Also re-calculate the Right and Up vector
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Right = Vector3.Normalize(Vector3.Cross(Front, Vector3.UnitY));
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Up = Vector3.Normalize(Vector3.Cross(Right, Front));
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}
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} |