GODOT IS OPEN SOURCE

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diff --git a/scene/2d/particles_2d.h b/scene/2d/particles_2d.h
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+/*************************************************************************/
+/*  particles_2d.h                                                       */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                    http://www.godotengine.org                         */
+/*************************************************************************/
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                 */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+#ifndef PARTICLES_FRAME_H
+#define PARTICLES_FRAME_H
+
+#include "scene/2d/node_2d.h"
+#include "scene/resources/texture.h"
+
+class Particles2D;
+class ParticleAttractor2D : public Node2D {
+
+	OBJ_TYPE(ParticleAttractor2D,Node2D);
+
+
+friend class Particles2D;
+	bool enabled;
+	float radius;
+	float disable_radius;
+	float gravity;
+	float absorption;
+	NodePath path;
+
+	Particles2D *owner;
+
+	void _update_owner();
+	void _owner_exited();
+	void _set_owner(Particles2D* p_owner);
+
+	void _notification(int p_what);
+	static void _bind_methods();
+public:
+
+	void set_enabled(bool p_enabled);
+	bool is_enabled() const;
+
+	void set_radius(float p_radius);
+	float get_radius() const;
+
+	void set_disable_radius(float p_disable_radius);
+	float get_disable_radius() const;
+
+	void set_gravity(float p_gravity);
+	float get_gravity() const;
+
+	void set_absorption(float p_absorption);
+	float get_absorption() const;
+
+	void set_particles_path(NodePath p_path);
+	NodePath get_particles_path() const;
+
+	ParticleAttractor2D();
+};
+
+
+
+class Particles2D : public Node2D {
+
+	OBJ_TYPE(Particles2D, Node2D);
+public:
+
+	enum Parameter {
+		PARAM_DIRECTION,
+		PARAM_SPREAD,
+		PARAM_LINEAR_VELOCITY,
+		PARAM_SPIN_VELOCITY,
+		PARAM_ORBIT_VELOCITY,
+		PARAM_GRAVITY_DIRECTION,
+		PARAM_GRAVITY_STRENGTH,
+		PARAM_RADIAL_ACCEL,
+		PARAM_TANGENTIAL_ACCEL,
+		PARAM_DAMPING,
+		PARAM_INITIAL_SIZE,
+		PARAM_FINAL_SIZE,
+		PARAM_HUE_VARIATION,
+		PARAM_MAX
+	};
+
+	enum {
+		MAX_COLOR_PHASES=4
+	};
+
+private:
+
+	float param[PARAM_MAX];
+	float randomness[PARAM_MAX];
+
+	struct Particle {
+
+		bool active;
+		Point2 pos;
+		Vector2 velocity;
+		float rot;
+		uint32_t seed;
+		Particle() { active=false; seed=123465789; rot=0;}
+	};
+
+	Vector<Particle> particles;
+	int color_phase_count;
+	struct ColorPhase {
+		Color color;
+		float pos;
+	} color_phases[MAX_COLOR_PHASES];
+
+	struct AttractorCache {
+
+		Vector2 pos;
+		ParticleAttractor2D *attractor;
+	};
+
+	Vector<AttractorCache> attractor_cache;
+
+	float explosiveness;
+	float preprocess;
+	float lifetime;
+	bool emitting;
+	bool local_space;
+	float emit_timeout;
+	float time_to_live;
+	float time_scale;
+	Point2 emissor_offset;
+	Vector2 initial_velocity;
+	Vector2 extents;
+	DVector<Vector2> emission_points;	
+
+	float time;
+	int active_count;
+
+	Ref<Texture> texture;
+
+
+	void testee(int a, int b, int c, int d, int e);
+	void _process_particles(float p_delta);
+friend class ParticleAttractor2D;
+
+	Set<ParticleAttractor2D*> attractors;
+
+protected:
+
+	void _notification(int p_what);
+	static void _bind_methods();
+
+public:
+
+	void set_emitting(bool p_emitting);
+	bool is_emitting() const;
+
+	void set_amount(int p_amount);
+	int get_amount() const;
+
+	void set_lifetime(float p_lifetime);
+	float get_lifetime() const;
+
+	void set_time_scale(float p_time_scale);
+	float get_time_scale() const;
+
+	void set_pre_process_time(float p_pre_process_time);
+	float get_pre_process_time() const;
+
+	void set_emit_timeout(float p_timeout);
+	float get_emit_timeout() const;
+
+	void set_emission_half_extents(const Vector2& p_extents);
+	Vector2 get_emission_half_extents() const;
+
+	void set_param(Parameter p_param, float p_value);
+	float get_param(Parameter p_param) const;
+
+	void set_randomness(Parameter p_randomness, float p_value);
+	float get_randomness(Parameter p_randomness) const;
+
+	void set_explosiveness(float p_value);
+	float get_explosiveness() const;
+
+	void set_color_phases(int p_phases);
+	int get_color_phases() const;
+
+	void set_color_phase_color(int p_phase,const Color& p_color);
+	Color get_color_phase_color(int p_phase) const;
+
+	void set_color_phase_pos(int p_phase,float p_pos);
+	float get_color_phase_pos(int p_phase) const;
+
+	void set_texture(const Ref<Texture>& p_texture);
+	Ref<Texture> get_texture() const;
+
+	void set_emissor_offset(const Point2& p_offset);
+	Point2 get_emissor_offset() const;
+
+	void set_use_local_space(bool p_use);
+	bool is_using_local_space() const;
+
+	void set_initial_velocity(const Vector2& p_velocity);
+	Vector2 get_initial_velocity() const;
+
+	void set_emission_points(const DVector<Vector2>& p_points);
+	DVector<Vector2> get_emission_points() const;
+
+	void pre_process(float p_delta);
+
+	Particles2D();
+};
+
+VARIANT_ENUM_CAST( Particles2D::Parameter );
+
+#endif // PARTICLES_FRAME_H