particles.h

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/* SPDX-FileCopyrightText: 2011-2022 Blender Foundation
 *
 * SPDX-License-Identifier: Apache-2.0 */
 
#pragma once
 
#include "util/array.h"
#include "util/types.h"
 
#include "graph/node.h"
 
CCL_NAMESPACE_BEGIN
 
class Device;
class DeviceScene;
class Progress;
class Scene;
 
/* Particle System */
 
struct Particle {
  int index;
  float age;
  float lifetime;
  float3 location;
  float4 rotation;
  float size;
  float3 velocity;
  float3 angular_velocity;
};
 
class ParticleSystem : public Node {
 public:
  NODE_DECLARE
 
  ParticleSystem();
  ~ParticleSystem() override;
 
  void tag_update(Scene *scene);
 
  array<Particle> particles;
};
 
/* ParticleSystem Manager */
 
class ParticleSystemManager {
  bool need_update_;
 
 public:
  ParticleSystemManager();
  ~ParticleSystemManager();
 
  void device_update_particles(Device *device,
                               DeviceScene *dscene,
                               Scene *scene,
                               Progress &progress);
  void device_update(Device *device, DeviceScene *dscene, Scene *scene, Progress &progress);
  void device_free(Device *device, DeviceScene *dscene);
 
  void tag_update(Scene *scene);
 
  bool need_update() const;
};
 
CCL_NAMESPACE_END