Пример #1
0
        private void RenderScene(SceneBrep scene)
        {
            if (scene != null && scene.Triangles > 0)
            {
                if (scene.HasNormals() && scene.Normals > 0)
                {
                    GL.Begin(PrimitiveType.Triangles);
                    for (int i = 0; i < scene.Triangles; ++i)
                    {
                        int v1, v2, v3;
                        scene.GetTriangleVertices(i, out v1, out v2, out v3);
                        GL.Normal3(scene.GetNormal(v1));
                        GL.Vertex3(scene.GetVertex(v1));
                        GL.Normal3(scene.GetNormal(v2));
                        GL.Vertex3(scene.GetVertex(v2));
                        GL.Normal3(scene.GetNormal(v3));
                        GL.Vertex3(scene.GetVertex(v3));
                    }
                    GL.End();
                }
                else
                {
                    GL.End();
                    GL.Begin(PrimitiveType.Triangles);
                    for (int i = 0; i < scene.Triangles; ++i)
                    {
                        Vector3 v1, v2, v3;
                        scene.GetTriangleVertices(i, out v1, out v2, out v3);
                        GL.Vertex3(v1);
                        GL.Vertex3(v2);
                        GL.Vertex3(v3);
                    }
                    GL.End();
                }
            }
            else                        // color cube (JB)
            {
                GL.Begin(PrimitiveType.Quads);

                GL.Color3(0.0f, 1.0f, 0.0f);     // Set The Color To Green
                GL.Vertex3(1.0f, 1.0f, -1.0f);   // Top Right Of The Quad (Top)
                GL.Vertex3(-1.0f, 1.0f, -1.0f);  // Top Left Of The Quad (Top)
                GL.Vertex3(-1.0f, 1.0f, 1.0f);   // Bottom Left Of The Quad (Top)
                GL.Vertex3(1.0f, 1.0f, 1.0f);    // Bottom Right Of The Quad (Top)

                GL.Color3(1.0f, 0.5f, 0.0f);     // Set The Color To Orange
                GL.Vertex3(1.0f, -1.0f, 1.0f);   // Top Right Of The Quad (Bottom)
                GL.Vertex3(-1.0f, -1.0f, 1.0f);  // Top Left Of The Quad (Bottom)
                GL.Vertex3(-1.0f, -1.0f, -1.0f); // Bottom Left Of The Quad (Bottom)
                GL.Vertex3(1.0f, -1.0f, -1.0f);  // Bottom Right Of The Quad (Bottom)

                GL.Color3(1.0f, 0.0f, 0.0f);     // Set The Color To Red
                GL.Vertex3(1.0f, 1.0f, 1.0f);    // Top Right Of The Quad (Front)
                GL.Vertex3(-1.0f, 1.0f, 1.0f);   // Top Left Of The Quad (Front)
                GL.Vertex3(-1.0f, -1.0f, 1.0f);  // Bottom Left Of The Quad (Front)
                GL.Vertex3(1.0f, -1.0f, 1.0f);   // Bottom Right Of The Quad (Front)

                GL.Color3(1.0f, 1.0f, 0.0f);     // Set The Color To Yellow
                GL.Vertex3(1.0f, -1.0f, -1.0f);  // Bottom Left Of The Quad (Back)
                GL.Vertex3(-1.0f, -1.0f, -1.0f); // Bottom Right Of The Quad (Back)
                GL.Vertex3(-1.0f, 1.0f, -1.0f);  // Top Right Of The Quad (Back)
                GL.Vertex3(1.0f, 1.0f, -1.0f);   // Top Left Of The Quad (Back)

                GL.Color3(0.0f, 0.0f, 1.0f);     // Set The Color To Blue
                GL.Vertex3(-1.0f, 1.0f, 1.0f);   // Top Right Of The Quad (Left)
                GL.Vertex3(-1.0f, 1.0f, -1.0f);  // Top Left Of The Quad (Left)
                GL.Vertex3(-1.0f, -1.0f, -1.0f); // Bottom Left Of The Quad (Left)
                GL.Vertex3(-1.0f, -1.0f, 1.0f);  // Bottom Right Of The Quad (Left)

                GL.Color3(1.0f, 0.0f, 1.0f);     // Set The Color To Violet
                GL.Vertex3(1.0f, 1.0f, -1.0f);   // Top Right Of The Quad (Right)
                GL.Vertex3(1.0f, 1.0f, 1.0f);    // Top Left Of The Quad (Right)
                GL.Vertex3(1.0f, -1.0f, 1.0f);   // Bottom Left Of The Quad (Right)
                GL.Vertex3(1.0f, -1.0f, -1.0f);  // Bottom Right Of The Quad (Right)

                GL.End();
            }
        }