class ParticleLayer(Layer):
"""
A ParticleSystem as a Layer...
"""
def __init__(self, width, height, duration=None):
super(ParticleLayer, self).__init__()
self.buffer = Frame(width, height)
self.start_time = None
self.duration = duration
# FIRE
def emitter_dx(x): return random.randint(-10,10)
def emitter_dy(x): return random.randint(-3,3)
def dither_dx(x): return random.randint(-10,0)
def dither_dy(x): return (x - 0.35)
self.ps = ParticleSystem(width/2, height/2, max_life=20, max_particles=400, particles_per_update=20, emitter_dx_fn=emitter_dx, emitter_dy_fn=emitter_dy, dither_dx_fn=dither_dx, dither_dy_fn=dither_dy)
def next_frame(self):
# Assign the new script item:
self.start_time = time.time()
self.buffer.clear()
self.ps.update()
self.ps.draw(self.buffer.pySurface)
return self.buffer
def reset(self):
"""Resets the animation back to the first frame."""
self.buffer.clear()
self.ps.reset()
class ParticleLayer(Layer):
"""
A ParticleSystem as a Layer...
"""
def __init__(self, width, height, duration=None):
super(ParticleLayer, self).__init__()
self.buffer = Frame(width, height)
self.start_time = None
self.duration = duration
# FIRE
def emitter_dx(x):
return random.randint(-10, 10)
def emitter_dy(x):
return random.randint(-3, 3)
def dither_dx(x):
return random.randint(-10, 0)
def dither_dy(x):
return x - 0.35
self.ps = ParticleSystem(
width / 2,
height / 2,
max_life=20,
max_particles=400,
particles_per_update=20,
emitter_dx_fn=emitter_dx,
emitter_dy_fn=emitter_dy,
dither_dx_fn=dither_dx,
dither_dy_fn=dither_dy,
)
def next_frame(self):
# Assign the new script item:
self.start_time = time.time()
self.buffer.clear()
self.ps.update()
self.ps.draw(self.buffer.pySurface)
return self.buffer
def reset(self):
"""Resets the animation back to the first frame."""
self.buffer.clear()
self.ps.reset()
class ParticleLayer(Layer):
"""
A ParticleSystem as a Layer...
"""
def __init__(self, width, height, emitters, duration=None, num_hold_frames=1):
super(ParticleLayer, self).__init__()
self.buffer = Frame(width, height)
self.start_time = None
self.duration = duration
self.width = width
self.height = height
self.num_hold_frames = num_hold_frames
self.stalls = self.num_hold_frames
# FIRE
# def emitter_dx(x): return random.randint(-10,10)
# def emitter_dy(x): return random.randint(-3,3)
# def dither_dx(x): return random.randint(-10,0)
# def dither_dy(x): return (x - 0.35)
# self.ps = ParticleEmitter(width/2, height/2, max_life=20, max_particles=200, particles_per_update=100, total_creations=400, particle_class=Particle)
self.ps = ParticleSystem(emitters=emitters, destination_texture=self.buffer.pySurface)
def next_frame(self):
# Assign the new script item:
if(self.start_time is None):
self.start_time = time.time()
elif(self.duration is not None and (self.start_time + self.duration > time.time())):
return None
self.stalls = self.stalls - 1
if(self.stalls <= 0):
self.stalls = self.num_hold_frames
else:
return self.buffer
self.buffer.clear()
self.ps.update()
self.ps.draw()
return self.buffer
def reset(self):
"""Resets the animation back to the first frame."""
self.start_time = None
self.stalls = self.num_hold_frames
self.buffer.clear()
self.ps.reset()
