From f0f340dec7821cee103ab9267ef941a917ef4dc4 Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Sun, 18 Nov 2018 23:31:17 +0800
Subject: =?UTF-8?q?*=E7=9B=AE=E5=BD=95=E6=94=B9=E4=B8=BA=E5=B0=8F=E5=86=99?=
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---
 src/libjin/graphics/particles/je_particle_system.h | 115 +++++++++++++++++++++
 1 file changed, 115 insertions(+)
 create mode 100644 src/libjin/graphics/particles/je_particle_system.h

(limited to 'src/libjin/graphics/particles/je_particle_system.h')

diff --git a/src/libjin/graphics/particles/je_particle_system.h b/src/libjin/graphics/particles/je_particle_system.h
new file mode 100644
index 0000000..8ee79ec
--- /dev/null
+++ b/src/libjin/graphics/particles/je_particle_system.h
@@ -0,0 +1,115 @@
+#ifndef __JE_PARTICLE_EMMITTER_H__
+#define __JE_PARTICLE_EMMITTER_H__
+
+#include <vector>
+
+#include "../../common/je_temporary.h"
+#include "../../game/je_gameobject.h"
+
+#include "../je_sprite.h"
+
+#include "je_particle_emitter.h"
+#include "je_particle_pool.h"
+#include "je_particle.h"
+
+namespace JinEngine
+{
+    namespace Graphics
+    {
+        namespace Particles
+        {
+
+            ///
+            /// Definition of particle system.
+            ///
+            struct ParticleSystemDef
+            {
+                ParticleSystemDef() {}
+                uint maxParticleCount = 1;     ///< Max count of particles in pool. 1 by default.
+                ParticleEmitterDef emitterDef; ///< Particle emitter definition. 
+                ParticleDef particleDef;       ///< Particle definition.
+            };
+
+            ///
+            /// Particle emitter, handle all particles it emitts.
+            ///
+            class ParticleSystem/* : public Game::GameObject*/
+            {
+            public:
+                ///
+                /// Particle system constructor 
+                /// 
+                /// @param def Definition of particle system.
+                ///
+                ParticleSystem(const ParticleSystemDef& def);
+
+                ///
+                /// Particle system destructor.
+                ///
+                ~ParticleSystem();
+
+                ///
+                /// Update particle system and all alive particles.
+                ///
+                void update(float dt);
+
+                ///
+                /// Render particle system.
+                ///
+                void render(float x, float y, float sx = 1, float sy = 1, float r = 0, float ax = 0, float ay = 0);
+
+                ///
+                /// Set sprite to render. 
+                /// 
+                /// @param sprite Sprite to render.
+                ///
+                void setGraphic(const Graphic* graphic);
+
+            private:
+
+                friend class ParticleEmitter;
+
+                ParticleSystem();
+
+                ///
+                ///
+                ///
+                Particle* claim();
+
+                ///
+                ///
+                ///
+                void recycle(int i, Particle* p);
+
+                ///
+                /// Particle system definition.
+                ///
+                ParticleSystemDef mDef;
+
+                ///
+                /// Sprite to be drawn.
+                ///
+                const Graphic* mGraphic;
+
+                ///
+                /// Particle emitter.
+                ///
+                ParticleEmitter mEmitter;
+
+                ///
+                /// Particle pool.
+                ///
+                ParticlePool mParticlePool;
+
+                ///
+                /// Alive particles, that means these particles could join to the life cycle loop.
+                ///
+                std::vector<Particle*> mAliveParticles;
+
+            };
+
+        } // namespace Particles
+    } // namespace Graphics
+} // namespace JinEngine 
+
+#endif
\ No newline at end of file
-- 
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