update

Camera.cs

@@ -0,0 +1,73 @@
+using OpenTK.Mathematics;
+using System.Security.Cryptography;
+
+namespace Voxel
+{
+    static class Camera
+    {
+        public static Vector3 Position;
+
+        public static float Pitch = 0f;
+        public static float Yaw = -90f;
+        public static float FOV = 70f;
+        public static float Speed = 0.5f;
+
+        public static Matrix4 view =>
+            Matrix4.LookAt(Position, Position + Front, Vector3.UnitY);
+
+        public static Matrix4 projection;
+
+        public static Vector3 Front
+        {
+            get
+            {
+                Vector3 front;
+                front.X = MathF.Cos(MathHelper.DegreesToRadians(Yaw)) * MathF.Cos(MathHelper.DegreesToRadians(Pitch));
+                front.Y = MathF.Sin(MathHelper.DegreesToRadians(Pitch));
+                front.Z = MathF.Sin(MathHelper.DegreesToRadians(Yaw)) * MathF.Cos(MathHelper.DegreesToRadians(Pitch));
+                return front.Normalized();
+            }
+        }
+
+        public static void Update(float time)
+        {
+            float moveSpeed = Speed * time;
+            if (Input.GetKey(OpenTK.Windowing.GraphicsLibraryFramework.Keys.LeftShift))
+            {
+                moveSpeed *= 10;
+            }
+            if (Input.GetKey(OpenTK.Windowing.GraphicsLibraryFramework.Keys.W))
+            {
+                Position += Front * moveSpeed;
+            }
+            if (Input.GetKey(OpenTK.Windowing.GraphicsLibraryFramework.Keys.S))
+            {
+                Position += Front * -moveSpeed;
+            }
+            if (Input.GetKey(OpenTK.Windowing.GraphicsLibraryFramework.Keys.A))
+            {
+                Position += Vector3.Cross(Front, Vector3.UnitY).Normalized() * -moveSpeed;
+            }
+            if (Input.GetKey(OpenTK.Windowing.GraphicsLibraryFramework.Keys.D))
+            {
+                Position += Vector3.Cross(Front, Vector3.UnitY).Normalized() * moveSpeed;
+            }
+        }
+
+        public static void UpdateMouse(Vector2 delta)
+        {
+            float fov = MathHelper.DegreesToRadians(60f);
+            float aspectRatio = 800f / 600f;
+            float near = 0.1f;
+            float far = 100f;
+
+            projection = Matrix4.CreatePerspectiveFieldOfView(fov, aspectRatio, near, far);
+
+            float sensitivity = 0.1f;
+            Yaw += delta.X * sensitivity;
+            Pitch -= delta.Y * sensitivity;
+
+            Pitch = MathHelper.Clamp(Pitch, -89f, 89f);
+        }
+    }
+}