particle updated

2 files changed, 55 insertions, 52 deletions

diff --git a/src/crepe/api/ParticleEmitter.cpp b/src/crepe/api/ParticleEmitter.cpp
index 3b2e2f2..f585a81 100644
--- a/src/crepe/api/ParticleEmitter.cpp
+++ b/src/crepe/api/ParticleEmitter.cpp
@@ -1,36 +1,19 @@
-#include <ctime>
-#include <iostream>
-
 #include "Particle.h"
 #include "ParticleEmitter.h"
 
 using namespace crepe;
 
-ParticleEmitter::ParticleEmitter(game_object_id_t id, uint32_t max_particles,
-								 uint32_t emission_rate, uint32_t speed,
-								 uint32_t speed_offset, uint32_t angle,
-								 uint32_t angleOffset, float begin_lifespan,
-								 float end_lifespan)
-	: Component(id), max_particles(max_particles), emission_rate(emission_rate),
-	  speed(speed), speed_offset(speed_offset), position{0, 0},
-	  begin_lifespan(begin_lifespan), end_lifespan(end_lifespan) {
-	std::srand(
-		static_cast<uint32_t>(std::time(nullptr))); // initialize random seed
-	std::cout << "Create emitter" << std::endl;
-	// FIXME: Why do these expressions start with `360 +`, only to be `% 360`'d
-	// right after? This does not make any sense to me.
-	min_angle = (360 + angle - (angleOffset % 360)) % 360;
-	max_angle = (360 + angle + (angleOffset % 360)) % 360;
-	position.x = 400; // FIXME: what are these magic values?
-	position.y = 400;
-	for (size_t i = 0; i < max_particles; i++) {
-		this->particles.emplace_back();
-	}
+ParticleEmitter::ParticleEmitter(uint32_t game_object_id, const ParticleEmitterData& data) : Component(game_object_id),data(data) {
+    for (size_t i = 0; i < this->data.max_particles; i++) {
+        this->data.particles.emplace_back();
+    }
 }
 
+
 ParticleEmitter::~ParticleEmitter() {
-	std::vector<Particle>::iterator it = this->particles.begin();
-	while (it != this->particles.end()) {
-		it = this->particles.erase(it);
+	std::vector<Particle>::iterator it = this->data.particles.begin();
+	while (it != this->data.particles.end()) {
+		it = this->data.particles.erase(it);
 	}
 }
+
diff --git a/src/crepe/api/ParticleEmitter.h b/src/crepe/api/ParticleEmitter.h
index 5939723..f931e8c 100644
--- a/src/crepe/api/ParticleEmitter.h
+++ b/src/crepe/api/ParticleEmitter.h
@@ -5,38 +5,58 @@
 
 #include "Component.h"
 #include "Particle.h"
+#include "Transform.h"
+
+class Sprite;
 
 namespace crepe {
 
 class ParticleEmitter : public Component {
 public:
-	ParticleEmitter(game_object_id_t id, uint32_t max_particles,
-					uint32_t emission_rate, uint32_t speed,
-					uint32_t speed_offset, uint32_t angle, uint32_t angleOffset,
-					float begin_lifespan, float end_lifespan);
-	~ParticleEmitter();
-
-	//! position of the emitter
-	Position position;
-	//! maximum number of particles
-	uint32_t max_particles;
-	//! rate of particle emission
-	uint32_t emission_rate;
-	//! base speed of the particles
-	uint32_t speed;
-	//! offset for random speed variation
-	uint32_t speed_offset;
-	//! min angle of particle emission
-	uint32_t min_angle;
-	//! max angle of particle emission
-	uint32_t max_angle;
-	//! begin Lifespan of particle (only visual)
-	float begin_lifespan;
-	//! begin Lifespan of particle
-	float end_lifespan;
+	struct ParticleBoundary{
+		//! boundary width (midpoint is emitter location)
+		double boundary_width = 0.0;
+		//! boundary height (midpoint is emitter location)
+		double boundary_height = 0.0;
+		//! boundary offset from particle emitter location
+		Vector2 boundary_offset;
+		//! reset on exit or stop velocity and set max postion
+		bool reset_on_exit = false;
+	};
 
-	//! collection of particles
-	std::vector<Particle> particles;
+	struct ParticleEmitterData{
+		//! position of the emitter
+		Vector2 position;
+		//! maximum number of particles
+		uint32_t max_particles = 0;
+		//! rate of particle emission per update (Lowest value = 0.001 any lower is ignored)
+		double emission_rate = 0;
+		//! min speed of the particles
+		double min_speed = 0;
+		//! min speed of the particles
+		double max_speed = 0;
+		//! min angle of particle emission
+		double min_angle = 0;
+		//! max angle of particle emission
+		double max_angle = 0;
+		//! begin Lifespan of particle (only visual)
+		double begin_lifespan = 0.0;
+		//! end Lifespan of particle
+		double end_lifespan = 0.0;
+		//! force over time (physics)
+		Vector2 force_over_time;
+		//! particle boundary
+		ParticleBoundary boundary;
+		//! collection of particles
+		std::vector<Particle> particles;
+		//! sprite reference
+		const Sprite* sprite;
+	};	
+public:
+	ParticleEmitter(uint32_t game_object_id, const ParticleEmitterData& data);
+	~ParticleEmitter();
+public:
+	ParticleEmitterData data;
 };
 
 } // namespace crepe