1 files changed, 17 insertions, 18 deletions

diff --git a/src/crepe/Particle.h b/src/crepe/Particle.h
index 3eaebc3..ee0cd66 100644
--- a/src/crepe/Particle.h
+++ b/src/crepe/Particle.h
@@ -2,56 +2,55 @@
 
 #include <cstdint>
 
-#include "api/Vector2.h"
+#include "types.h"
 
 namespace crepe {
 
 /**
  * \brief Represents a particle in the particle emitter.
  *
- * This class stores information about a single particle, including its position,
- * velocity, lifespan, and other properties. Particles can be updated over time
- * to simulate movement and can also be reset or stopped.
+ * This class stores information about a single particle, including its position, velocity,
+ * lifespan, and other properties. Particles can be updated over time to simulate movement and
+ * can also be reset or stopped.
  */
 class Particle {
-	// TODO: add friend particleSsytem and rendersystem. Unit test will fail.
-
 public:
 	//! Position of the particle in 2D space.
-	Vector2 position;
+	vec2 position;
 	//! Velocity vector indicating the speed and direction of the particle.
-	Vector2 velocity;
+	vec2 velocity;
 	//! Accumulated force affecting the particle over time.
-	Vector2 force_over_time;
+	vec2 force_over_time;
 	//! Total lifespan of the particle in milliseconds.
-	uint32_t lifespan;
+	float lifespan;
 	//! Active state of the particle; true if it is in use, false otherwise.
 	bool active = false;
 	//! The time the particle has been alive, in milliseconds.
-	uint32_t time_in_life = 0;
+	float time_in_life = 0;
 	//! The angle at which the particle is oriented or moving.
-	double angle = 0;
+	float angle = 0;
 
 	/**
 	 * \brief Resets the particle with new properties.
 	 *
-	 * This method initializes the particle with a specific lifespan, position,
-	 * velocity, and angle, marking it as active and resetting its life counter.
+	 * This method initializes the particle with a specific lifespan, position, velocity, and
+	 * angle, marking it as active and resetting its life counter.
 	 *
 	 * \param lifespan  The lifespan of the particle in amount of updates.
 	 * \param position  The starting position of the particle.
 	 * \param velocity  The initial velocity of the particle.
 	 * \param angle     The angle of the particle's trajectory or orientation.
 	 */
-	void reset(uint32_t lifespan, const Vector2 & position,
-			   const Vector2 & velocity, double angle);
+	void reset(unsigned int lifespan, const vec2 & position, const vec2 & velocity,
+			   float angle);
 	/**
 	 * \brief Updates the particle's state.
 	 *
-	 * Advances the particle's position based on its velocity and applies accumulated forces. 
+	 * Advances the particle's position based on its velocity and applies accumulated forces.
 	 * Deactivates the particle if its lifespan has expired.
+	 * \param dt The amount of fixed delta time that has passed.
 	 */
-	void update();
+	void update(double dt);
 	/**
 	 * \brief Stops the particle's movement.
 	 *