From 354507a4970874bf658ac00fb5d2388c46332fd3 Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Fri, 7 Dec 2018 14:29:50 +0800
Subject: *particle system

---
 src/libjin/graphics/particles/je_particle.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'src/libjin/graphics/particles/je_particle.cpp')

diff --git a/src/libjin/graphics/particles/je_particle.cpp b/src/libjin/graphics/particles/je_particle.cpp
index fc3dc54..71c0426 100644
--- a/src/libjin/graphics/particles/je_particle.cpp
+++ b/src/libjin/graphics/particles/je_particle.cpp
@@ -125,6 +125,10 @@ namespace JinEngine
 
             void Particle::update(float dt)
             {
+                life += dt;
+                alive = life < lifeTime;
+                if (!alive)
+                    return;
                 float t = life / lifeTime;
                 if ((updateFlags & UPDATE_COLOR) != 0)
                     color = def->colorDef.overTime.value.getColor(t);
@@ -159,8 +163,6 @@ namespace JinEngine
                         spriteIndex = lerp<int>(0, n - 1, t);
                     //jin_log_info("sprite index %d", spriteIndex);
                 }
-                life += dt;
-                alive = life < lifeTime;
             }
 
             void Particle::render()
-- 
cgit v1.1-26-g67d0