From d9f20223b582e010b262b9f8aa68087f5f6feec2 Mon Sep 17 00:00:00 2001
From: nwolek <nw@nathanwolek.com>
Date: Sat, 2 Jan 2016 15:13:37 -0500
Subject: [PATCH] first draft of the SampleBundle.at() function. issue #70

---
 include/core/JamomaSample.h | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/include/core/JamomaSample.h b/include/core/JamomaSample.h
index 483f4aa..f01f36a 100644
--- a/include/core/JamomaSample.h
+++ b/include/core/JamomaSample.h
@@ -111,6 +111,25 @@ namespace Jamoma {
 		{
 			return const_cast<SampleBundle*>(this)->mChannels[index];
 		}
+        
+        
+        /** Interpolate a value between known Samples.
+         */
+        Sample at(size_t channel, double interpolatedFrameIndex) {
+            Sample output = 0.0;
+            Jamoma::Interpolator::Linear<Sample> my_interp;
+            
+            int frameIndexBefore = (int)interpolatedFrameIndex;
+            double delta = interpolatedFrameIndex - frameIndexBefore;
+            int frameIndexAfter = frameIndexBefore + 1;
+            
+            Sample sampleAtIndexBefore = mChannels[channel][frameIndexBefore];
+            Sample sampleAtIndexAfter = mChannels[channel][frameIndexAfter];
+            
+            output = my_interp(sampleAtIndexBefore,sampleAtIndexAfter,delta);
+            
+            return output;
+        }
 		
 		
 		/**	Change the channel count of the bundle.