Add more 1 example to the documentation

Author: TiagoCavalcante

docs/examples.md

@@ -32,6 +32,7 @@ folder of the documentation (/docs)".
 - [Spheres with center pointlight](examples/spheres-with-center-pointlight)
 - [Tetrahedron](examples/tetrahedron)
 - [Triangle with edges](examples/triangle-with-edges)
+- [Tube, dodecahedrons and spheres](examples/tube-dodecahedrons-and-spheres)
 - [Yellow line](examples/yellow-line)
 - [Sphere with yellow spotlight](examples/yellow-spotlight)
 - [Yellow triangle](examples/yellow-triangle)

docs/examples/tube-dodecahedrons-and-spheres.md

@@ -0,0 +1,72 @@
+<div class='center' id='graphics-container'></div>
+
+<script>
+    drawGraphics3d(
+        document.getElementById('graphics-container'),
+        {
+            elements: [
+                {
+                    type: 'tube',
+                    color: [0.2, 0.2, 0.2],
+                    coords: [
+                        [null, [0, 0, 0]],
+                        [null, [1, 0, 0]],
+                        [null, [1, 1, 0]],
+                        [null, [1, 1, 1]],
+                        [null, [1, 0, 1]],
+                        [null, [0, 0, 1]],
+                        [null, [0, 1, 1]],
+                        [null, [0, 1, 0]]
+                    ],
+                    radius: 0.1
+                },
+				{
+                    type: 'uniformPolyhedron',
+                    color: [1, 0.5, 0.5],
+                    coords: [
+                        [[0, 0, 0]],
+                        [[2, 2, 2]]
+                    ],
+                    edgeForm: { showEdges: false },
+                    opacity: 0.5, // 50% of opacity
+                    subType: 'dodecahedron'
+                },
+				{
+                    type: 'sphere',
+                    color: [0.5, 0.5, 1],
+                    coords: [
+                        [[0, 0, 0]],
+                        [[1, 1, 1]],
+                        [[2, 2, 2]]
+                    ],
+                    edgeForm: { showEdges: false },
+                    opacity: 0.7, // 70% of opacity
+					radius: 0.5,
+                    subType: 'dodecahedron'
+                }
+            ],
+            lighting: [
+                {
+                    type: 'ambient',
+                    color: [0.5, 0.5, 0.5]
+                },
+                {
+                    type: 'directional',
+                    color: [0.8, 0, 0],
+                    coords: [null, [2, 0, 2]]
+                },
+                {
+                    type: 'directional',
+                    color: [0, 0.8, 0],
+                    coords: [null, [2, 2, 2]]
+                },
+                {
+                    type: 'directional',
+                    color: [0, 0, 0.8],
+                    coords: [null, [0, 2, 2]]
+                }
+            ],
+            viewpoint: [2, -4, 4]
+        }
+    );
+</script>