From be1c0d9dd0fe27079f7edd89c55f5eeeff0ae00c Mon Sep 17 00:00:00 2001
From: Stijn Buys <ingar@osirion.org>
Date: Tue, 22 Jan 2013 21:10:29 +0000
Subject: Implemented Flare particles.

---
 src/render/particleejector.cc | 53 +++++++++++++++++++++++++++++++++++++++----
 1 file changed, 48 insertions(+), 5 deletions(-)

(limited to 'src/render/particleejector.cc')

diff --git a/src/render/particleejector.cc b/src/render/particleejector.cc
index c697e8f..92b8d8f 100644
--- a/src/render/particleejector.cc
+++ b/src/render/particleejector.cc
@@ -59,9 +59,8 @@ void ParticleEjector::frame(const float seconds, const math::Vector3f & ps_locat
 				particle_location.assign(ps_location);
 				particle_axis.assign(ps_axis);
 			}
-					
+			particle_axis.change_roll(math::randomf(360.0f));
 			if (cone() > 0) {
-				particle_axis.change_roll(math::randomf(360.0f));
 				particle_axis.change_pitch(math::randomf(cone()) - (cone() * 0.5f) );
 			}
 			if (spawn_radius() > 0) {
@@ -72,11 +71,11 @@ void ParticleEjector::frame(const float seconds, const math::Vector3f & ps_locat
 				particle_location += random_axis.forward() * spawn_radius();
 			}
 			
-			Particle *particle = new Particle(particle_location, particle_axis.forward() * speed(), now);
+			Particle *particle = new Particle(particle_location, particle_axis, now);
 			particle->set_radius(radius_vec()[0]);
 			particle->set_alpha(alpha_vec()[0]);
 			particle->set_rotation(math::randomf(2.0f * M_PI));
-			
+			particle->set_speed(speed());
 			particles().push_front(particle);
 			ejector_last_eject = now;
 		}
@@ -87,8 +86,12 @@ void ParticleEjector::frame(const float seconds, const math::Vector3f & ps_locat
 	for (Particles::iterator it = particles().begin(); it != particles().end(); ++it) {
 		Particle *particle = (*it);
 		if (particle->timestamp() < now) {
+			// apply acceleration
+			if (acceleration()) {
+				particle->set_speed(particle->speed() + acceleration() * seconds);
+			}
 			// apply velocity
-			particle->get_location() += (particle->velocity() * seconds);
+			particle->get_location() += (particle->axis().forward() * particle->speed() * seconds);
 						
 			// set particle radius_vec and alpha_vec
 			const float age = (float) (now - particle->timestamp());
@@ -185,6 +188,46 @@ void ParticleEjectorSprite::draw(const math::Vector3f & ps_location, const math:
 	gl::end();	
 }
 
+/* ---- class ParticleEjectorFlare --------------------------------- */
+
+ParticleEjectorFlare::ParticleEjectorFlare(const ParticleEjectorScript &script) : ParticleEjector(script)
+{
+	
+}
+
+ParticleEjectorFlare::~ParticleEjectorFlare()
+{
+	
+}
+
+void ParticleEjectorFlare::draw(const math::Vector3f & ps_location, const math::Axis & ps_axis)
+{
+	Textures::bind(texture());
+	gl::begin(gl::Quads);
+	math::Color c(color());
+	for (Particles::iterator it = particles().begin(); it != particles().end(); it++) {
+		Particle *particle = (*it);
+		
+		math::Vector3f particle_location(attached() ? ps_location + ps_axis * particle->location() : particle->location());
+		math::Axis particle_axis(attached() ? ps_axis * particle->axis() : particle->axis());
+		const float r = particle->radius();
+		
+		c.a = particle->alpha();
+		gl::color(c);
+
+		glTexCoord2f(0, 1);
+		gl::vertex(particle_location + (particle_axis.up() - particle_axis.left()) * r);
+		glTexCoord2f(0, 0);
+		gl::vertex(particle_location + (particle_axis.up() + particle_axis.left()) * r);
+		glTexCoord2f(1, 0);
+		gl::vertex(particle_location + (particle_axis.up() * -1 + particle_axis.left()) * r);
+		glTexCoord2f(1, 1);
+		gl::vertex(particle_location + (particle_axis.up() * -1 - particle_axis.left()) * r);
+		Stats::quads++;
+	}
+	gl::end();
+}
+
 /* ---- class ParticleEjectorTrail --------------------------------- */
 
 ParticleEjectorTrail::ParticleEjectorTrail(const ParticleEjectorScript &script) : ParticleEjector(script)
-- 
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