Added Camera, Renderer, ... and moved example to sandbox

GlitchyEngine/src/Renderer/OrthographicCamera.bf

@@ -0,0 +1,92 @@
+using GlitchyEngine.Math;
+
+namespace GlitchyEngine.Renderer
+{
+	public class OrthographicCamera : Camera
+	{
+		protected float _bottom, _left, _right, _top;
+
+		public float Bottom
+		{
+			get => _bottom;
+			set
+			{
+				if(_bottom == value)
+					return;
+
+				_bottom = value;
+				_projectionOutdated = true;
+			}
+		}
+		
+		public float Left
+		{
+			get => _left;
+			set
+			{
+				if(_left == value)
+					return;
+
+				_left = value;
+				_projectionOutdated = true;
+			}
+		}
+		
+		public float Right
+		{
+			get => _right;
+			set
+			{
+				if(_right == value)
+					return;
+
+				_right = value;
+				_projectionOutdated = true;
+			}
+		}
+		
+		public float Top
+		{
+			get => _top;
+			set
+			{
+				if(_top == value)
+					return;
+
+				_top = value;
+				_projectionOutdated = true;
+			}
+		}
+
+		public float Width
+		{
+			get => _right - _left;
+			set
+			{
+				Left = -value / 2.0f;
+				Right = value / 2.0f;
+			}
+		}
+		
+		public float Height
+		{
+			get => _top - _bottom;
+			set
+			{
+				Bottom = -value / 2.0f;
+				Top = value / 2.0f;
+			}
+		}
+
+		protected override void UpdateProjection()
+		{
+			_projection = Matrix.OrthographicProjectionOffCenter(_left, _right, _top, _bottom, _nearPlane, _farPlane);
+		}
+
+		protected override void UpdateTransform()
+		{
+			_transform = Matrix.Translation(_position) * Matrix.RotationZ(_rotation.Z) * Matrix.RotationY(_rotation.Y) * Matrix.RotationX(_rotation.X);
+			_view = _transform.Invert();
+		}
+	}
+}