Updated lighting demos with animation example

notebooks/lighting_demo.ipynb

@@ -216,13 +216,13 @@
   },
   {
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-   "execution_count": 2,
+   "execution_count": 23,
    "metadata": {},
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       "application/vnd.jupyter.widget-view+json": {
-       "model_id": "ee958a7eb4de486dbfc1a4a13b0ef0af",
+       "model_id": "53876d4ecc6e4f38890459f619d6b8fe",
        "version_major": 2,
        "version_minor": 0
       },
@@ -260,7 +260,7 @@
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+   "execution_count": 13,
    "metadata": {},
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@@ -276,7 +276,7 @@
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@@ -286,7 +286,7 @@
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@@ -295,7 +295,7 @@
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@@ -312,7 +312,7 @@
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@@ -331,7 +331,7 @@
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@@ -348,7 +348,7 @@
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@@ -372,7 +372,7 @@
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@@ -390,7 +390,7 @@
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@@ -615,13 +615,13 @@
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-   "execution_count": 23,
+   "execution_count": 27,
    "metadata": {},
    "outputs": [
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      "data": {
       "application/vnd.jupyter.widget-view+json": {
-       "model_id": "8704c06726ca4234b216c5f3b9323c01",
+       "model_id": "94b122b532cd41529f9cf9d03bbf94fa",
        "version_major": 2,
        "version_minor": 0
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@@ -654,7 +654,7 @@
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+   "execution_count": 28,
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@@ -695,7 +695,7 @@
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-   "execution_count": 28,
+   "execution_count": 29,
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    "source": [
@@ -845,12 +845,93 @@
     "spot1.shadow_bias=-0.0005"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# Animated Light"
+   ]
+  },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 47,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "application/vnd.jupyter.widget-view+json": {
+       "model_id": "c993ddb4d5ac496ca269b14532c3aa0b",
+       "version_major": 2,
+       "version_minor": 0
+      },
+      "text/plain": [
+       "VBox(children=(Figure(camera=PerspectiveCamera(fov=45.0, position=(0.0, 0.0, 2.0), quaternion=(0.0, 0.0, 0.0, …"
+      ]
+     },
+     "metadata": {},
+     "output_type": "display_data"
+    }
+   ],
+   "source": [
+    "[b1, p1, s1] = plot_all_no_change(kb=True, wp=True, ts=False)\n",
+    "point1=p3.point_light()\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 48,
    "metadata": {},
    "outputs": [],
-   "source": []
+   "source": [
+    "# Light and shadow Setup\n",
+    "point1.position_x=20\n",
+    "point1.position_y=10\n",
+    "point1.position_z=0\n",
+    "point1.cast_shadow = True\n",
+    "b1.cast_shadow = True\n",
+    "b1.receive_shadow = True\n",
+    "p1.receive_shadow = True\n",
+    "point1.shadow_map_type='PCF_SOFT'\n",
+    "point1.shadow_map_size=1024\n",
+    "# point1.shadow_radius=20 \n",
+    "point1.decay = 2"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 49,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "application/vnd.jupyter.widget-view+json": {
+       "model_id": "4a6e362235ab4017ac86e9b85dea240c",
+       "version_major": 2,
+       "version_minor": 0
+      },
+      "text/plain": [
+       "Output()"
+      ]
+     },
+     "metadata": {},
+     "output_type": "display_data"
+    }
+   ],
+   "source": [
+    "# Generating gif with animated light position\n",
+    "def set_pos(fig, i, fraction):\n",
+    "    point1.position_x = np.sin(2*np.pi*fraction) * 20\n",
+    "    point1.position_z = np.cos(2*np.pi*fraction) * 20\n",
+    "    \n",
+    "# a = p3.movie('rotatelight.gif', set_pos, fps=20, frames=40, endpoint=False, cmd_template_gif)"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "<img src=\"./rotatelight.gif\" width=\"400\" align=\"center\">"
+   ]
   }
  ],
  "metadata": {
@@ -869,7 +950,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.7.4"
+   "version": "3.6.10"
   }
  },
  "nbformat": 4,