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# ----------------------------------------------------------------------------
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# Copyright (c) 2008 Daniel Moisset, Ricardo Quesada, Rayentray Tappa, Lucio Torre
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in
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# the documentation and/or other materials provided with the
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# * Neither the name of cocos2d nor the names of its
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# contributors may be used to endorse or promote products
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# derived from this software without specific prior written
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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# ----------------------------------------------------------------------------
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'''Pre-defined Particle Systems'''
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__all__ = ['Fireworks', 'Spiral', 'Meteor', 'Sun', 'Fire', 'Galaxy', 'Flower', 'Explosion', 'Smoke']
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from particle import ParticleSystem, Color
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from euclid import Point2
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class Fireworks( ParticleSystem ):
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total_particles = 3000
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gravity = Point2(0,-90)
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# emitter variable position
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emission_rate = total_particles / life
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start_color = Color(0.5,0.5,0.5,1.0)
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start_color_var = Color(0.5, 0.5, 0.5, 1.0)
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end_color = Color(0.1,0.1,0.1,0.2)
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end_color_var = Color(0.1,0.1,0.1,0.2)
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blend_additive = False
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class Explosion( ParticleSystem ):
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gravity = Point2(0,-90)
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# emitter variable position
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pos_var = Point2(0,0)
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emission_rate = total_particles / duration
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start_color = Color(0.7, 0.2, 0.1, 1.0)
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start_color_var = Color(0.5, 0.5, 0.5, 0.0)
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end_color = Color(0.5, 0.5, 0.5, 0.0)
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end_color_var = Color(0.5, 0.5, 0.5, 0.0)
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blend_additive = False
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color_modulate = True
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class Fire( ParticleSystem ):
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total_particles = 250
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gravity = Point2(0,0)
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# emitter variable position
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pos_var = Point2(40, 20)
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emission_rate = total_particles / life
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start_color = Color(0.76, 0.25, 0.12, 1.0)
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start_color_var = Color(0.0, 0.0, 0.0, 0.0)
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end_color = Color(0.0, 0.0, 0.0, 1.0)
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end_color_var = Color(0.0, 0.0, 0.0, 0.0)
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blend_additive = True
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color_modulate = True
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class Flower( ParticleSystem ):
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total_particles = 500
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gravity = Point2( 0, 0)
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tangential_accel = 15.0
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tangential_accel_var = 0.0
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# emitter variable position
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pos_var = Point2(0,0)
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emission_rate = total_particles / life
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start_color = Color(0.5, 0.5, 0.5, 1.0)
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start_color_var = Color(0.5, 0.5, 0.5, 0.0)
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end_color = Color(0.0, 0.0, 0.0, 1.0)
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end_color_var = Color(0.0, 0.0, 0.0, 0.0)
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blend_additive = True
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color_modulate = True
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class Sun( ParticleSystem ):
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total_particles = 350
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gravity = Point2(0,0)
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tangential_accel = 0.0
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tangential_accel_var = 0.0
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# emitter variable position
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pos_var = Point2(0, 0)
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emission_rate = total_particles / life
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start_color = Color(0.75, 0.25, 0.12, 1.0)
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start_color_var = Color(0.0, 0.0, 0.0, 0.0)
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end_color = Color(0.0, 0.0, 0.0, 0.0)
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end_color_var = Color(0.0, 0.0, 0.0, 0.0)
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blend_additive = True
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color_modulate = True
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class Spiral( ParticleSystem ):
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total_particles = 500
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gravity = Point2(0,0)
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tangential_accel = 45.0
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tangential_accel_var = 0.0
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# emitter variable position
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pos_var = Point2(0,0)
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emission_rate = total_particles / life
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start_color = Color(0.5, 0.5, 0.5, 1.0)
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start_color_var = Color(0.5, 0.5, 0.5, 0.0)
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end_color = Color(0.5, 0.5, 0.5, 1.0)
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end_color_var = Color(0.5, 0.5, 0.5, 0.0)
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blend_additive = True
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color_modulate = True
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class Meteor( ParticleSystem ):
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total_particles = 150
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gravity = Point2(-200,100)
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tangential_accel = 0.0
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tangential_accel_var = 0.0
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# emitter variable position
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pos_var = Point2(0,0)
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emission_rate = total_particles / life
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start_color = Color(0.2, 0.7, 0.7, 1.0)
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start_color_var = Color(0.0, 0.0, 0.0, 0.2)
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end_color = Color(0.0, 0.0, 0.0, 1.0)
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end_color_var = Color(0.0, 0.0, 0.0, 0.0)
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blend_additive = True
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color_modulate = True
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class Galaxy( ParticleSystem ):
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total_particles = 200
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gravity = Point2(0,0)
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tangential_accel = 80.0
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tangential_accel_var = 0.0
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# emitter variable position
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pos_var = Point2(0,0)
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emission_rate = total_particles / life
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start_color = Color(0.12, 0.25, 0.76, 1.0)
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start_color_var = Color(0.0, 0.0, 0.0, 0.0)
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end_color = Color(0.0, 0.0, 0.0, 0.0)
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end_color_var = Color(0.0, 0.0, 0.0, 0.0)
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blend_additive = True
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color_modulate = True
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class Smoke( ParticleSystem ):
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gravity = Point2(0,0)
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tangential_accel = 0.0
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tangential_accel_var = 0.0
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# emitter variable position
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pos_var = Point2(0.1,0)
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emission_rate = total_particles / life
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start_color = Color(0.5,0.5,0.5,0.1)
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start_color_var = Color(0,0,0,0.1)
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end_color = Color(0.5,0.5,0.5,0.1)
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end_color_var = Color(0,0,0,0.1)
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blend_additive = True
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color_modulate = False
added
removed
cocos/particle_systems.py
