From e63155370c817a1d9c16ef798b0a55e6fe328941 Mon Sep 17 00:00:00 2001
From: Adrian Ulbrich <adrian.ulbrich.2003@gmail.com>
Date: Wed, 6 Nov 2019 21:07:49 +0100
Subject: 3d support

---
 Unicity.Renderer/Camera.cs | 50 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)
 create mode 100644 Unicity.Renderer/Camera.cs

(limited to 'Unicity.Renderer/Camera.cs')

diff --git a/Unicity.Renderer/Camera.cs b/Unicity.Renderer/Camera.cs
new file mode 100644
index 0000000..b58b571
--- /dev/null
+++ b/Unicity.Renderer/Camera.cs
@@ -0,0 +1,50 @@
+using OpenTK;
+
+namespace Unicity.Renderer
+{
+    public enum CameraProjectionMode
+    {
+        Ortographic,
+        Perspective
+    }
+
+    public class Camera
+    {
+        float x = 0f;
+        float y = 0f;
+        float z = 0f;
+
+        Matrix4 projectionMatrix = Matrix4.Identity;
+
+        CameraProjectionMode projectionMode = CameraProjectionMode.Ortographic;
+
+        public Camera(CameraProjectionMode projectionMode = CameraProjectionMode.Ortographic)
+        {
+            this.projectionMode = projectionMode;
+        }
+
+        public void Initialize()
+        {
+            switch (projectionMode)
+            {
+                case CameraProjectionMode.Ortographic:
+                    projectionMatrix = Matrix4.CreateOrthographic(600f, 600.0f, 0.1f, 100f);
+                    break;
+                case CameraProjectionMode.Perspective:
+                    projectionMatrix = Matrix4.CreatePerspectiveFieldOfView(MathHelper.DegreesToRadians(45f), 1f, 0.1f, 100f);
+                    break;
+                    
+            }
+        }
+
+        public void UpdateView(Shader shader)
+        {
+            Matrix4 modelMatrix = Matrix4.CreateRotationX(MathHelper.DegreesToRadians(-55.0f));
+            Matrix4 viewMatrix = Matrix4.CreateTranslation(0.0f, 0.0f, -8.0f);
+
+            shader.SetUniform("model", modelMatrix);
+            shader.SetUniform("view", viewMatrix);
+            shader.SetUniform("projection", projectionMatrix);
+        }
+    }
+}
-- 
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