Diff: SineWave.cpp

Revision:

1:6864fd480178

Parent:

0:ed89ef772e92

--- a/SineWave.cpp	Mon Jan 24 22:44:39 2011 +0000
+++ b/SineWave.cpp	Tue Feb 08 21:39:55 2011 +0000
@@ -9,9 +9,9 @@
     this->buffer.resize(cycleLength);
 
     std::size_t middle = cycleLength / 2;
-    std::size_t quarter = middle / 4;
+    std::size_t quarter = middle / 2;
     
-    float delta = 3.14 / (2.0 * float(sampleRate) / float(this->frequency));
+    float delta = 6.28 / (float(sampleRate) / float(this->frequency));
     for(std::size_t i = 0; i < quarter; ++i) {
         float dt = delta * i;
         float dv = std::sin(dt) / 2.0;
@@ -23,9 +23,11 @@
         this->buffer.write(cycleLength - i, negValue);
     }
     
+    this->buffer.write(quarter, 1.0);
     if (middle - quarter != quarter) {
-        this->buffer.write(quarter, 1.0);
+        this->buffer.write(middle - quarter, 1.0);
     }
+    this->buffer.write(cycleLength - quarter, 0.0);
     if (middle + quarter != cycleLength - quarter) {
         this->buffer.write(middle + quarter, 0.0);
     }