1 files changed, 91 insertions, 0 deletions
diff --git a/src/anim/ContinuousAnim.cpp b/src/anim/ContinuousAnim.cpp
new file mode 100644
index 0000000..e6b8b02
--- /dev/null
+++ b/src/anim/ContinuousAnim.cpp
@@ -0,0 +1,91 @@
+//
+//  libavg - Media Playback Engine. 
+//  Copyright (C) 2003-2014 Ulrich von Zadow
+//
+//  This library is free software; you can redistribute it and/or
+//  modify it under the terms of the GNU Lesser General Public
+//  License as published by the Free Software Foundation; either
+//  version 2 of the License, or (at your option) any later version.
+//
+//  This library 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
+//  Lesser General Public License for more details.
+//
+//  You should have received a copy of the GNU Lesser General Public
+//  License along with this library; if not, write to the Free Software
+//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+//
+//  Current versions can be found at www.libavg.de
+//
+
+#include "ContinuousAnim.h"
+
+#include "../base/Exception.h"
+#include "../base/MathHelper.h"
+#include "../player/Player.h"
+
+using namespace boost::python;
+using namespace std;
+
+namespace avg {
+
+ContinuousAnim::ContinuousAnim(const object& node, const string& sAttrName, 
+            const object& startValue, const object& speed, bool bUseInt, 
+            const object& startCallback, const object& stopCallback)
+    : AttrAnim(node, sAttrName, startCallback, stopCallback),
+      m_StartValue(startValue),
+      m_Speed(speed),
+      m_bUseInt(bUseInt)
+{
+}
+
+ContinuousAnim::~ContinuousAnim()
+{
+}
+
+void ContinuousAnim::start(bool bKeepAttr)
+{
+    AttrAnim::start();
+    if (!bKeepAttr) {
+        setValue(m_StartValue);
+    }
+    m_EffStartValue = getValue();
+    m_StartTime = Player::get()->getFrameTime();
+}
+
+void ContinuousAnim::abort()
+{
+    if (isRunning()) {
+        AnimPtr tempThis = shared_from_this();
+        removeFromMap();
+        setStopped();
+    }
+}
+
+bool ContinuousAnim::step()
+{
+    object curValue;
+    float time = (Player::get()->getFrameTime()-m_StartTime)/1000.0f;
+    if (isPythonType<float>(m_EffStartValue)) {
+        curValue = object(time*extract<float>(m_Speed)+m_EffStartValue);
+        if (m_bUseInt) {
+            float d = extract<float>(curValue);
+            curValue = object(round(d));
+        }
+    } else if (isPythonType<glm::vec2>(m_EffStartValue)) {
+        glm::vec2 pt = extract<glm::vec2>(m_Speed)();
+        curValue = object(time*pt+m_EffStartValue);
+        if (m_bUseInt) {
+            glm::vec2 pt = extract<glm::vec2>(curValue)();
+            curValue = object(glm::vec2(round(pt.x), round(pt.y)));
+        }
+    } else {
+        throw (Exception(AVG_ERR_TYPE, 
+                    "Animated attributes must be either numbers or Point2D."));
+    }
+    setValue(curValue);
+    return false;
+}
+
+}