Update frameRate (#216)

* reference: Rename frameRate Signed-off-by: Ce Gao <[email protected]> * RLang: Add frame rate var Signed-off-by: Ce Gao <[email protected]>
processing-r · Aug 20, 2017 · 44a8af2 · 44a8af2
1 parent de0a844
commit 44a8af2
Show file tree

Hide file tree

Showing 3 changed files with 14 additions and 9 deletions.
diff --git a/examples/reference/frameRateVar/.property.yml b/examples/reference/frameRateVar/.property.yml
@@ -0,0 +1,8 @@
+category: Environment
+subcategory: 
+description: "
+The system variable <b>frameRateVar</b> contains the approximate frame rate of a running sketch. The initial value is 10 fps and is updated with each frame. The value is averaged over several frames, and so will only be accurate after the draw function has run 5-10 times.
+"
+syntax: ""
+related:
+  - frameRate
diff --git a/examples/reference/frameRate_var/.property.yml b/examples/reference/frameRate_var/.property.yml
diff --git a/src/rprocessing/RLangPApplet.java b/src/rprocessing/RLangPApplet.java
@@ -329,7 +329,7 @@ public void setup() {
   @Override
   public void handleDraw() {
     super.handleDraw();
-    this.renjinEngine.put("frameCount", this.frameCount);
+    this.wrapFrameVariables();
   }
 
   /**
@@ -368,6 +368,11 @@ private boolean isMixMode() {
     return hasSize;
   }
 
+  protected void wrapFrameVariables() {
+    this.renjinEngine.put("frameRateVar", frameRate);
+    this.renjinEngine.put("frameCount", frameCount);
+  }
+
   /**
    * Set Environment variables in R top context.
    */