diff options
Diffstat (limited to 'Unicity.Renderer/Shapes/Triangle.cs')
| -rw-r--r-- | Unicity.Renderer/Shapes/Triangle.cs | 43 |
1 files changed, 43 insertions, 0 deletions
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); + } + } +} |
