From 5d4b4023bddd12e27c6756793aea2ff36d49e124 Mon Sep 17 00:00:00 2001
From: Adrian Ulbrich <adrian.ulbrich.2003@gmail.com>
Date: Mon, 4 Nov 2019 00:36:44 +0100
Subject: Upload code

---
 Unicity.Renderer/Shapes/Shape.cs    | 17 +++++++++++++++
 Unicity.Renderer/Shapes/Triangle.cs | 43 +++++++++++++++++++++++++++++++++++++
 2 files changed, 60 insertions(+)
 create mode 100644 Unicity.Renderer/Shapes/Shape.cs
 create mode 100644 Unicity.Renderer/Shapes/Triangle.cs

(limited to 'Unicity.Renderer/Shapes')

diff --git a/Unicity.Renderer/Shapes/Shape.cs b/Unicity.Renderer/Shapes/Shape.cs
new file mode 100644
index 0000000..b051a89
--- /dev/null
+++ b/Unicity.Renderer/Shapes/Shape.cs
@@ -0,0 +1,17 @@
+using System;
+using static Unicity.Renderer.GraphicsRenderer;
+
+namespace Unicity.Renderer.Shapes
+{
+    public class Shape : IDisposable
+    {
+        protected uint[] buffers = new uint[1];
+
+        public void Dispose()
+        {
+            GL.DeleteBuffers(1, buffers);
+        }
+
+        internal virtual void Render() { }
+    }
+}
diff --git a/Unicity.Renderer/Shapes/Triangle.cs b/Unicity.Renderer/Shapes/Triangle.cs
new file mode 100644
index 0000000..2aec109
--- /dev/null
+++ b/Unicity.Renderer/Shapes/Triangle.cs
@@ -0,0 +1,43 @@
+using System;
+using System.Drawing;
+using static Unicity.Renderer.GraphicsRenderer;
+using static SharpGL.OpenGL;
+
+namespace Unicity.Renderer.Shapes
+{
+    public class Triangle : Shape
+    {
+        public Triangle(PointF pos1, PointF pos2, PointF pos3)
+        {
+            Init(pos1.X, pos1.Y, pos2.X, pos2.Y, pos3.X, pos3.Y);
+        }
+
+        public Triangle(float x1, float y1, float x2, float y2, float x3, float y3)
+        {
+            Init(x1, y1, x2, y2, x3, y3);
+        }
+
+        private void Init(float x1, float y1, float x2, float y2, float x3, float y3)
+        {
+            float[] data =
+            {
+                x1, y1,
+                x2, y2,
+                x3, y3
+            };
+
+            GL.GenBuffers(1, buffers);
+            GL.BindBuffer(GL_ARRAY_BUFFER, buffers[0]);
+            GL.BufferData(GL_ARRAY_BUFFER, data, GL_STATIC_DRAW);
+        }
+
+        internal override void Render()
+        {
+            GL.EnableVertexAttribArray(0);
+            GL.BindBuffer(GL_ARRAY_BUFFER, buffers[0]);
+            GL.VertexAttribPointer(0, 2, GL_FLOAT, false, 0, IntPtr.Zero);
+            GL.DrawArrays(GL_TRIANGLES, 0, 3);
+            GL.DisableVertexAttribArray(0);
+        }
+    }
+}
-- 
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