Reorganize types

- Move into types folder
- Group types based on usage

Raylib-cs/types/Camera.cs

@@ -0,0 +1,96 @@
+using System.Numerics;
+using System.Runtime.InteropServices;
+
+namespace Raylib_cs
+{
+    /// <summary>Camera2D, defines position/orientation in 2d space</summary>
+    [StructLayout(LayoutKind.Sequential)]
+    public struct Camera2D
+    {
+        /// <summary>
+        /// Camera offset (displacement from target)
+        /// </summary>
+        public Vector2 offset;
+
+        /// <summary>
+        /// Camera target (rotation and zoom origin)
+        /// </summary>
+        public Vector2 target;
+
+        /// <summary>
+        ///  Camera rotation in degrees
+        /// </summary>
+        public float rotation;
+
+        /// <summary>
+        /// Camera zoom (scaling), should be 1.0f by default
+        /// </summary>
+        public float zoom;
+
+        public Camera2D(Vector2 offset, Vector2 target, float rotation, float zoom)
+        {
+            this.offset = offset;
+            this.target = target;
+            this.rotation = rotation;
+            this.zoom = zoom;
+        }
+    }
+
+    /// <summary>Camera system modes</summary>
+    public enum CameraMode
+    {
+        CAMERA_CUSTOM = 0,
+        CAMERA_FREE,
+        CAMERA_ORBITAL,
+        CAMERA_FIRST_PERSON,
+        CAMERA_THIRD_PERSON
+    }
+
+    /// <summary>Camera projection</summary>
+    public enum CameraProjection
+    {
+        CAMERA_PERSPECTIVE = 0,
+        CAMERA_ORTHOGRAPHIC
+    }
+
+    /// <summary>
+    /// Camera3D, defines position/orientation in 3d space
+    /// </summary>
+    [StructLayout(LayoutKind.Sequential)]
+    public struct Camera3D
+    {
+        /// <summary>
+        /// Camera position
+        /// </summary>
+        public Vector3 position;
+
+        /// <summary>
+        /// Camera target it looks-at
+        /// </summary>
+        public Vector3 target;
+
+        /// <summary>
+        /// Camera up vector (rotation over its axis)
+        /// </summary>
+        public Vector3 up;
+
+        /// <summary>
+        /// Camera field-of-view apperture in Y (degrees) in perspective, used as near plane width in orthographic
+        /// </summary>
+        public float fovy;
+
+        /// <summary>
+        /// Camera type, defines projection type: CAMERA_PERSPECTIVE or CAMERA_ORTHOGRAPHIC
+        /// </summary>
+        public CameraProjection projection;
+
+        public Camera3D(Vector3 position, Vector3 target, Vector3 up, float fovy, CameraProjection projection)
+        {
+            this.position = position;
+            this.target = target;
+            this.up = up;
+            this.fovy = fovy;
+            this.projection = projection;
+        }
+    }
+}