1 files changed, 62 insertions, 0 deletions
diff --git a/src/crepe/system/ParticleSystem.h b/src/crepe/system/ParticleSystem.h
new file mode 100644
index 0000000..4296ff3
--- /dev/null
+++ b/src/crepe/system/ParticleSystem.h
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+#pragma once
+
+#include <cstdint>
+
+#include "System.h"
+
+namespace crepe {
+
+class ParticleEmitter;
+class Transform;
+
+/**
+ * \brief ParticleSystem class responsible for managing particle emission, updates, and bounds
+ * checking.
+ */
+class ParticleSystem : public System {
+public:
+	using System::System;
+	/**
+	 * \brief Updates all particle emitters by emitting particles, updating particle states, and
+	 * checking bounds.
+	 */
+	void fixed_update() override;
+
+private:
+	/**
+	 * \brief Emits a particle from the specified emitter based on its emission properties.
+	 *
+	 * \param emitter Reference to the ParticleEmitter.
+	 * \param transform Const reference to the Transform component associated with the emitter.
+	 */
+	void emit_particle(ParticleEmitter & emitter, const Transform & transform);
+
+	/**
+	 * \brief Checks whether particles are within the emitter’s boundary, resets or stops
+	 * particles if they exit.
+	 *
+	 * \param emitter Reference to the ParticleEmitter.
+	 * \param transform Const reference to the Transform component associated with the emitter.
+	 */
+	void check_bounds(ParticleEmitter & emitter, const Transform & transform);
+
+	/**
+	 * \brief Generates a random angle for particle emission within the specified range.
+	 *
+	 * \param min_angle Minimum emission angle in degrees.
+	 * \param max_angle Maximum emission angle in degrees.
+	 * \return Random angle in degrees.
+	 */
+	float generate_random_angle(float min_angle, float max_angle) const;
+
+	/**
+	 * \brief Generates a random speed for particle emission within the specified range.
+	 *
+	 * \param min_speed Minimum emission speed.
+	 * \param max_speed Maximum emission speed.
+	 * \return Random speed.
+	 */
+	float generate_random_speed(float min_speed, float max_speed) const;
+};
+
+} // namespace crepe