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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/***************************************************************************
+ * velocity.cc
+ *
+ * Tue Jul 22 18:04:58 CEST 2008
+ * Copyright 2008 Bent Bisballe Nyeng
+ * deva@aasimon.org
+ ****************************************************************************/
+
+/*
+ * This file is part of DrumGizmo.
+ *
+ * DrumGizmo is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * DrumGizmo is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with DrumGizmo; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+#include "velocity.h"
+
+Velocity::Velocity(unsigned int lower, unsigned int upper)
+{
+ this->lower = lower;
+ this->upper = upper;
+}
+
+void Velocity::addSample(Sample *sample, float probability)
+{
+ if(samples.find(sample) != samples.end()) {
+ samples[sample] += probability;
+ } else {
+ samples[sample] = probability;
+ }
+}
+
+Sample *Velocity::getSample()
+{
+ Sample *sample = NULL;
+
+ float x = (float)rand() / (float)RAND_MAX;
+ float sum = 0.0;
+
+ Samples::iterator i = samples.begin();
+ while(i != samples.end() && x > sum) {
+ sum += i->second;
+ sample = i->first;
+ i++;
+ }
+
+ return sample;
+}