Added basic vertex and fragment shaders.

RecrownedAthenaeum/Render/Shader/default.frag

@@ -0,0 +1,10 @@
+out vec4 outputColor;
+
+in vec2 texCoord;
+
+uniform sampler2D texture0;
+
+void main()
+{
+    outputColor = texture(texture0, texCoord);
+}

RecrownedAthenaeum/Render/Shader/default.vert

@@ -0,0 +1,7 @@
+#version 330 core
+layout (location = 0) in vec3 aPosition;
+
+void main()
+{
+    gl_Position = vec4(aPosition, 1.0);
+}

RecrownedAthenaeum/Types/IRectangleDrawable.cs

@@ -10,5 +10,8 @@ namespace RecrownedAthenaeum.Types
         byte[] ColorData {
             get;
         }
+        float[] vertices {
+            get;
+        }
     }
 }