Merge pull request #1443 from indefinit/master

Perspective function bug fix

Author: Lauren McCarthy

src/webgl/camera.js

@@ -82,14 +82,9 @@ p5.prototype.perspective = function(fovy,aspect,near,far) {
   for (var i = 0; i < args.length; ++i) {
     args[i] = arguments[i];
   }
-  this._validateParameters(
-    'perspective',
-    args,
-    ['Number', 'Number', 'Number', 'Number']
-  );
   this._renderer.uPMatrix = p5.Matrix.identity();
   this._renderer.uPMatrix.perspective(fovy,aspect,near,far);
-  this._renderer._setCamera = true;
+  this._renderer._isSetCamera = true;
 };
 
 /**