add platformer window infrastructure

2018-04-08 20:29:20 -04:00
parent edb2985a98
commit f175dd84f4
12 changed files with 328 additions and 0 deletions
--- a/Platformer/Util/VertexArray.cs
+++ b/Platformer/Util/VertexArray.cs
@@ -0,0 +1,26 @@
+using OpenTK.Graphics.OpenGL4;
+
+namespace Platformer.Util
+{
+    public class VertexArray : GlObj
+    {
+        public VertexArray() : base(GL.GenVertexArray())
+        {
+        }
+
+        public void VertexPointer(Buffer buffer, int index, int size,
+            VertexAttribPointerType type = VertexAttribPointerType.Float,
+            bool normalized = false, int stride = 0, int offset = 0)
+        {
+            GL.BindVertexArray(this);
+            
+            GL.BindBuffer(BufferTarget.ArrayBuffer, buffer);
+            GL.VertexAttribPointer(index, size, type, normalized, stride, offset);
+            GL.BindBuffer(BufferTarget.ArrayBuffer, 0);
+            
+            GL.EnableVertexArrayAttrib(this, index);
+            
+            GL.BindVertexArray(0);
+        }
+    }
+}