emitter: zero delta time fix

WickedEngine/wiEmittedParticle.cpp

@@ -328,6 +328,7 @@ namespace wi
 
 	void EmittedParticleSystem::UpdateCPU(const TransformComponent& transform, float dt)
 	{
+		this->dt = dt;
 		CreateSelfBuffers();
 
 		if (IsPaused() || dt == 0)
@@ -374,7 +375,7 @@ namespace wi
 		GraphicsDevice* device = wi::graphics::GetDevice();
 		device->EventBegin("UpdateEmittedParticles", cmd);
 
-		if (!IsPaused())
+		if (!IsPaused() && dt > 0)
 		{
 			EmittedParticleCB cb;
 			cb.xEmitterTransform.Create(worldMatrix);
@@ -698,7 +699,7 @@ namespace wi
 			wi::gpusortlib::Sort(MAX_PARTICLES, distanceBuffer, counterBuffer, PARTICLECOUNTER_OFFSET_CULLEDCOUNT, culledIndirectionBuffer, cmd);
 		}
 
-		if (!IsPaused())
+		if (!IsPaused() && dt > 0)
 		{
 			// finish updating, update draw argument buffer:
 			device->EventBegin("FinishUpdate", cmd);

WickedEngine/wiEmittedParticle.h

@@ -60,6 +60,7 @@ namespace wi
 
 		float emit = 0.0f;
 		int burst = 0;
+		float dt = 0;
 
 		uint32_t MAX_PARTICLES = 1000;
 

WickedEngine/wiVersion.cpp

@@ -9,7 +9,7 @@ namespace wi::version
 	// minor features, major updates, breaking compatibility changes
 	const int minor = 71;
 	// minor bug fixes, alterations, refactors, updates
-	const int revision = 347;
+	const int revision = 348;
 
 	const std::string version_string = std::to_string(major) + "." + std::to_string(minor) + "." + std::to_string(revision);