class Particle(BaseItem):
def __init__(self):
lifetime = randint(300, 500) # 400, 600
vortex = Vortex.random_vortex()
BaseItem.__init__(self, lifetime, vortex)
c = [settings.get_uniform('particle-red-range'), \
settings.get_uniform('particle-green-range'), \
settings.get_uniform('particle-blue-range'), \
settings['particle-transparency']]
self.color = c
# set transform for z to be 1 above floor
self.transforms = [[0.,0.,1.],[0.,0.,0.],1.]
self.pos = [0.,0.,0.]
RandPlay()
def step(self):
self.vortex.step()
self.age += 1
def draw(self):
self.buffer = PointCloud([self.vortex.pos],[self.color])
self.buffer.sprite('data/particle.bmp')
self.buffer.pointSize(200.0)
self.buffer.draw()
class Engine:
def __init__(self):
self.particles = []
def add_particle(self):
self.particles.append(Particle.RandomParticle())
def step(self):
for particle in self.particles:
if particle.expired():
self.particles.remove(particle)
continue
particle.step()
particle.age += 1
if random() < 0.1:
for _ in range(randint(1, 5)):
self.add_particle()
def draw(self):
if not len(self.particles):
return
self.buffer = PointCloud([x.vortex.pos for x in self.particles], [x.color for x in self.particles])
self.buffer.sprite('data/particle.bmp')
self.buffer.pointSize(105.0)
self.buffer.draw()
class Obj (BaseItem):
def __init__(self):
# run the __init__ of the inherted class
BaseItem.__init__(self, None, None)
# make some vertices
self.vert = [[1,1,0],[1,-1,0],[-1,1,0],[-1,-1,0],[0,0,1]]
self.color = [[1,1,0],[1,0,0],[0,1,0],[1,1,1],[0,0,1]]
#set up opengl transformations
# [translate [x,y,z] or [distance, [direction]],
# rotate [x-axis,y-axis,z-axis],
# scale [x,y,z] or real]
self.transforms = [[0.,0.,0.],[0.,0.,0.],1.]
# ^ probably better to implement as a dictionary with names for the transforms so that some can be left out without shifting all the other values
def step(self):
'''Items to animate the object'''
pass
def draw(self):
# define the buffer and draw the points
self.buffer = PointCloud(self.vert) #why can't i pass in color?
self.buffer.sprite('data/particle.bmp')
self.buffer.pointSize(50.0)
self.buffer.draw()
def move_obj(self, trans=[0,0,0]):
vert = []
# this gives the new point locations
for point in self.vert:
new_point = []
for i,j in zip(point,trans):
new_point.append(i+j)
vert.append(new_point)
self.vert = vert
class ParticleEngine(BaseEngine):
def __init__(self):
BaseEngine.__init__(self)
def add_particle(self):
self.particles.append(Particle(randint(400, 600), Vortex.random_vortex()))
def draw(self):
if not len(self.particles):
return
self.buffer = PointCloud([x.vortex.pos for x in self.particles], [x.color for x in self.particles])
self.buffer.sprite('data/particle.bmp')
self.buffer.pointSize(105.0)
self.buffer.draw()
def spawn(self):
if random() < 0.1:
for _ in range(randint(1, 5)):
self.add_particle()