WIP

entitysystem/systems/ParticlesSystem.h

@@ -0,0 +1,35 @@
+//
+// Created by Daniu
+//
+
+#ifndef EU07_PARTICLESSYSTEM_H
+#define EU07_PARTICLESSYSTEM_H
+
+#include "BaseSystem.h"
+#include "entitysystem/ECWorld.h"
+#include "entitysystem/components/RenderComponents.h"
+
+class ParticlesSystem : public BaseSystem
+{
+public:
+    ParticlesSystem();
+    ~ParticlesSystem();
+    void Update(ECWorld& world, float dt) override;
+    void Render(ECWorld& world) override;
+
+private:
+    void SpawnParticle(ECSComponent::ParticleEmitter& emitter);
+
+    // Per-instance data uploaded to GPU (one entry per live particle)
+    struct GPUInstanceData {
+        glm::vec3 position; // camera-relative world position
+        float     size;
+        glm::vec4 color;
+    };
+
+    // OpenGL resources — allocated lazily on first Render() call
+    struct RenderState;
+    std::unique_ptr<RenderState> m_renderState;
+};
+
+#endif // EU07_PARTICLESSYSTEM_H