Checked in osgParticle, writtten by Marco Jez.

src/osgParticle/ModularProgram.cpp

@@ -0,0 +1,37 @@
+#include <osgParticle/ModularProgram>
+#include <osgParticle/Program>
+#include <osgParticle/ParticleSystem>
+#include <osgParticle/Particle>
+
+osgParticle::ModularProgram::ModularProgram()
+: Program()
+{
+}
+
+osgParticle::ModularProgram::ModularProgram(const ModularProgram &copy, const osg::CopyOp &copyop)
+: Program(copy, copyop)
+{
+    Operator_vector::const_iterator ci;
+    for (ci=copy.operators_.begin(); ci!=copy.operators_.end(); ++ci) {
+        operators_.push_back(static_cast<Operator *>(copyop(ci->get())));
+    }
+}
+
+void osgParticle::ModularProgram::execute(double dt)
+{
+    Operator_vector::iterator ci;
+    Operator_vector::iterator ci_end = operators_.end();
+
+    ParticleSystem *ps = getParticleSystem();
+    for (ci=operators_.begin(); ci!=ci_end; ++ci) {        
+        (*ci)->beginOperate(this);
+        int n = ps->numParticles();
+        for (int i=0; i<n; ++i) {
+            Particle *P = ps->getParticle(i);
+            if (P->isAlive() && (*ci)->isEnabled()) {
+                (*ci)->operate(P, dt);
+            }
+        }
+        (*ci)->endOperate();
+    }
+}