diff --git a/Engine/Source/Runtime/ParticleSystem/ParticleSystem.cpp b/Engine/Source/Runtime/ParticleSystem/ParticleSystem.cpp
index fd711c44..a0fad067 100644
--- a/Engine/Source/Runtime/ParticleSystem/ParticleSystem.cpp
+++ b/Engine/Source/Runtime/ParticleSystem/ParticleSystem.cpp
@@ -38,10 +38,10 @@ void engine::ParticleSystem::Reset(int index)
 {
 
 	m_pos[index] = cd::Vec3f(0.0f, 0.0f, 0.0f);
-	m_velocity[index] = cd::Vec3f(1.0f, 1.0f, 1.0f);
-	m_acceleration[index] = cd::Vec3f(1.0f, 0.0f, 0.0f);
+	m_velocity[index] = cd::Vec3f(rand()%3, rand()%3, 0.0f);
+	m_acceleration[index] = cd::Vec3f(0.0f, 0.0f, 0.0f);
 
-	m_color[index] = cd::Vec3f{0.0f, 0.0f,1.0f};
+	m_color[index] = cd::Vec3f{1.0f, 1.0f,1.0f};
 
 	m_isActive[index] = false;
 	m_currentTime[index] = 0.0f;
@@ -61,29 +61,29 @@ void engine::ParticleSystem::Update(float deltaTime, int index)
 	{
 		m_pos[index].x() = m_pos[index].x() + m_velocity[index].x() * 0.15f + 0.5f * m_acceleration[index].x() * 0.15f * 0.15f;
 		m_pos[index].y() = m_pos[index].y() + m_velocity[index].y() * 0.15f + 0.5f * m_acceleration[index].y() * 0.15f * 0.15f;
-		m_texture_u[index] = 0.0f;
-		m_texture_v[index] = 0.0f;
+		m_texture_u[index] = 1.0f;
+		m_texture_v[index] = 1.0f;
 	}
 	else if (index % 4 == 1)
 	{
-		m_pos[index].x() = m_pos[index-1].x()+ 1 + m_velocity[index].x() * 0.15f + 0.5f * m_acceleration[index].x() * 0.15f * 0.15f;
-		m_pos[index].y() = m_pos[index-1].y() + m_velocity[index].y() * 0.15f + 0.5f * m_acceleration[index].y() * 0.15f * 0.15f;
-		m_texture_u[index] = 1.0f;
-		m_texture_v[index] = 0.0f;
+		m_pos[index].x() = m_pos[index-1].x()+ 1 ;
+		m_pos[index].y() = m_pos[index-1].y() ;
+		m_texture_u[index] = 0.0f;
+		m_texture_v[index] = 1.0f;
 	}
 	else if (index % 4 == 2)
 	{
-		m_pos[index].x() = m_pos[index-2].x() + 1+ m_velocity[index].x() * 0.15f + 0.5f * m_acceleration[index].x() * 0.15f * 0.15f;
-		m_pos[index].y() = m_pos[index-2].y() + 1 + m_velocity[index].y() * 0.15f + 0.5f * m_acceleration[index].y() * 0.15f * 0.15f;
-		m_texture_u[index] = 1.0f;
-		m_texture_v[index] = 1.0f;
+		m_pos[index].x() = m_pos[index-2].x() + 1;
+		m_pos[index].y() = m_pos[index-2].y() + 1;
+		m_texture_u[index] = 0.0f;
+		m_texture_v[index] = 0.0f;
 	}
 	else if (index % 4 == 3)
 	{
-		m_pos[index].x() = m_pos[index-3].x() + m_velocity[index].x() * 0.15f + 0.5f * m_acceleration[index].x() * 0.15f * 0.15f;
-		m_pos[index].y() = m_pos[index-3].y() + 1 +  m_velocity[index].y() * 0.15f + 0.5f * m_acceleration[index].y() * 0.15f * 0.15f;
-		m_texture_u[index] = 0.0f;
-		m_texture_v[index] = 1.0f;
+		m_pos[index].x() = m_pos[index-3].x();
+		m_pos[index].y() = m_pos[index-3].y() + 1 ;
+		m_texture_u[index] = 1.0f;
+		m_texture_v[index] = 0.0f;
 	}
 
 	for (int i = index; i < m_particleMaxCount; ++i)
diff --git a/Engine/Source/Runtime/Rendering/ParticleRenderer.cpp b/Engine/Source/Runtime/Rendering/ParticleRenderer.cpp
index 49a1a3a5..c5b6aaff 100644
--- a/Engine/Source/Runtime/Rendering/ParticleRenderer.cpp
+++ b/Engine/Source/Runtime/Rendering/ParticleRenderer.cpp
@@ -49,58 +49,6 @@ void ParticleRenderer::Render(float deltaTime)
 		constexpr StringCrc ParticleProgram("ParticleProgram");
 		bgfx::submit(GetViewID(), GetRenderContext()->GetProgram(ParticleProgram));
 	}
-	//	engine::ParticleEmitterComponent* pEmitterComponent = m_pCurrentSceneWorld->GetParticleEmitterComponent(entity);
-	//	const cd::Transform& transform = m_pCurrentSceneWorld->GetTransformComponent(entity)->GetTransform();
-	//	pEmitterComponent->init();
-	//	int particleindex = pEmitterComponent->allocateParticleIndex();
-	//	ParticleComponent& particle = pEmitterComponent->getParticle(particleindex);
-	//	if (pEmitterComponent->allocateParticleIndex() != -1)
-	//	{
-	//			particle.setPos(transform.GetTranslation());
-	//			particle.setVelocity(cd::Vec3f(-0.02f + rand() % 4100, 0.0f, 0.0f));
-	//			particle.setAcceleration(cd::Vec3f(0.0f, 0.0f, 0.0f));
-	//			particle.setColor(cd::Vec3f(1.0f, 0.0f, 0.0f));
-	//			particle.setLifeTime(1.0f + rand() % 7);
-	//	}	
-
-	//	pEmitterComponent->update(1.0f / deltaTime);
-
-	//	cd::VertexFormat	 vertexFormat; 
-	//	vertexFormat.AddAttributeLayout(cd::VertexAttributeType::Position, cd::AttributeValueType::Float, 3);
-	//	vertexFormat.AddAttributeLayout(cd::VertexAttributeType::Color, cd::AttributeValueType::Float, 3);
-
-	//	bgfx::VertexLayout vertexLayout;
-	//	VertexLayoutUtility::CreateVertexLayout(vertexLayout, vertexFormat.GetVertexLayout());
-
-	//	//vertex
-	//	pEmitterComponent->GetVertexBuffer().resize(2*sizeof(cd::Vec3f));
-
-
-	//	std::memcpy(pEmitterComponent->GetVertexBuffer().data(), &particle.getPos(), sizeof(cd::Vec3f));
-	//	std::memcpy(pEmitterComponent->GetVertexBuffer().data()+sizeof(cd::Vec3f), &particle.getColor(), sizeof(cd::Vec3f));
-
-
-	//	//index
-	///*	std::vector<uint16_t> indices = { 0, 1 };
-	//	emitter->GetIndexBuffer().resize(2*sizeof(uint16_t));
-	//	std::memcpy(emitter->GetIndexBuffer().data(), indices.data(), sizeof(indices));*/
-
-
-	//	pEmitterComponent->setParticleVBH(bgfx::createVertexBuffer(bgfx::makeRef(pEmitterComponent->GetVertexBuffer().data(), static_cast<uint32_t>(pEmitterComponent->GetVertexBuffer().size())), vertexLayout).idx);
-	//	//emitter->setParticleIBH( bgfx::createIndexBuffer(bgfx::makeRef(emitter->GetIndexBuffer().data(), static_cast<uint32_t>(emitter->GetIndexBuffer().size())),0U).idx);
-
-	//	bgfx::setVertexBuffer(0, bgfx::VertexBufferHandle{ pEmitterComponent->getParticleVBH() });
-	////	bgfx::setIndexBuffer(bgfx::IndexBufferHandle{ emitter->getParticleIBH() });
-
-	//	constexpr uint64_t state = BGFX_STATE_WRITE_MASK | BGFX_STATE_MSAA | BGFX_STATE_DEPTH_TEST_LESS |
-	//		BGFX_STATE_BLEND_FUNC(BGFX_STATE_BLEND_SRC_ALPHA, BGFX_STATE_BLEND_INV_SRC_ALPHA) | BGFX_STATE_PT_POINTS;
-
-	//	bgfx::setState(state);
-
-	//	constexpr StringCrc ParticleProgram("ParticleProgram");
-	//	bgfx::submit(GetViewID(), GetRenderContext()->GetProgram(ParticleProgram));
-	// 
-	//const cd::Transform& cameraTransform = m_pCurrentSceneWorld->GetTransformComponent(m_pCurrentSceneWorld->GetMainCameraEntity())->GetTransform();
 }
 
 }
\ No newline at end of file