git.sesse.net Git - casparcg/blob - deploy/general/server/template/scene/crawler/crawler.scene

   1 <scene width="1920" height="1080" xsi:noNamespaceSchemaLocation="https://raw.githubusercontent.com/CasparCG/Server/2.1.0/core/producer/scene/scene.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
   2   <!--
   3     An example crawler scene. Does not support the "tail" on screen at the same
   4     time as the "head", but otherwise a good demonstration of combined use of
   5     timeline for intro, outro animations and the frame variable for "infinite"
   6     animations.
   7    -->
   8   <variables>
   9     <variable type="string" id="text"       public="true">Needs "text", Use "speed" to set pixels per frame, Use "iterations" to specify how many times the crawler should repeat.</variable>
  10     <variable type="number" id="speed"      public="true">4</variable>
  11     <variable type="number" id="iterations" public="true">2</variable>
  12
  13     <!-- The scrolling is done without the timeline, only with the use of the global frame counter. -->
  14     <variable type="number" id="text_num_pixels_wait">${20 * speed}</variable>
  15     <variable type="number" id="scroll_distance">     ${layer.text.width + scene_width + variable.text_num_pixels_wait}</variable>
  16     <variable type="number" id="current_text_pos">    ${(-frame * speed) % variable.scroll_distance + scene_width + variable.text_num_pixels_wait}</variable>
  17     <variable type="number" id="current_iteration">   ${( frame * speed) / variable.scroll_distance}</variable>
  18
  19     <!-- Controlled by timeline. -->
  20     <variable type="number" id="animation_pos_x">0</variable>
  21   </variables>
  22
  23   <layers>
  24     <layer id="plate">
  25       <producer>RED</producer>
  26       <x>${variable.animation_pos_x}</x>
  27       <y>50</y>
  28       <width>${scene_width}</width>
  29       <height>60</height>
  30       <adjustments>
  31         <opacity>0.8</opacity>
  32       </adjustments>
  33     </layer>
  34
  35     <!-- Mask of text needed on out animation to not make the rest of the text visible -->
  36     <layer id="mask">
  37       <producer>WHITE</producer>
  38       <x>${layer.plate.x}</x>
  39       <y>${layer.plate.y}</y>
  40       <width>${layer.plate.width}</width>
  41       <height>${layer.plate.height}</height>
  42       <is_key>true</is_key>
  43     </layer>
  44
  45     <layer id="text">
  46       <producer>[TEXT] "" 0 0 size 35 color white font Roboto-Regular</producer>
  47       <x>${variable.current_text_pos + variable.animation_pos_x}</x>
  48       <y>${layer.plate.y + layer.plate.height - 18}</y>
  49       <parameters>
  50         <text>${text}</text>
  51       </parameters>
  52     </layer>
  53   </layers>
  54
  55   <marks>
  56     <mark at="0" type="start" label="intro" />
  57     <mark at="20" type="stop" />
  58     <mark at="20" type="start" label="outro" />
  59     <mark at="40" type="remove" />
  60   </marks>
  61
  62   <tasks>
  63     <goto_mark when="${variable.current_iteration &gt; iterations}" label="outro" />
  64   </tasks>
  65
  66   <timelines>
  67     <timeline variable="variable.animation_pos_x">
  68       <keyframe at="0">${scene_width}</keyframe>
  69       <keyframe at="20" easing="easeoutsine">0</keyframe>
  70       <keyframe at="40" easing="easeoutsine">${-scene_width}</keyframe>
  71     </timeline>
  72     <timeline variable="layer.mask.adjustment.brightness">
  73       <keyframe at="20">1</keyframe>
  74       <keyframe at="40" easing="linear">0</keyframe>
  75     </timeline>
  76   </timelines>
  77 </scene>