def on_mouse_press(self, mouse):
x0, y0 = self.absolute_position() # Can be nested in other layers.
step = 1.0 / max(self.steps, 1)
# Calculate relative value from the slider handle position.
# The inner width is a bit smaller to accomodate for the slider handle.
# Clamp the relative value to the nearest step.
self._t = (mouse.x - x0 - self.height * 0.5) / float(self.width - self.height)
self._t = self._t - self._t % step + step
self._t = clamp(self._t, 0.0, 1.0)
self.on_action()
def on_mouse_press(self, mouse):
x0, y0 = self.absolute_position() # Can be nested in other layers.
step = 1.0 / max(self.steps, 1)
# Calculate relative value from the slider handle position.
# The inner width is a bit smaller to accomodate for the slider handle.
# Clamp the relative value to the nearest step.
self._t = (mouse.x-x0-self.height*0.5) / float(self.width-self.height)
self._t = self._t - self._t % step + step
self._t = clamp(self._t, 0.0, 1.0)
self.on_action()
def _set_value(self, value):
self._t = clamp(float(value - self.min) / (self.max - self.min or -1), 0.0, 1.0)
def draw(canvas):
global headset
global dimmer
global images
global samples
global particles
global attractor
global ZOOM, ATTRACT, SPAWN, DIM, delay
global MUTE
glEnable(GL_DITHER)
background(0)
#image(abspath("g","bg.png"), 0, 0, width=canvas.width, height=canvas.height)
image(abspath("g","bg-light.png"), 0, 0, width=canvas.width, height=canvas.height, alpha=0.9)
if canvas.key.code == SPACE:
MUTE = not MUTE
# Poll the headset.
# Is alpha above average? => attraction.
# Is valence above average? => spawn feelies.
headset.update(buffer=1024)
ATTRACT = False
ATTRACT = delay > 0
ATTRACT = ATTRACT or SHIFT in canvas.key.modifiers
if canvas.key.code == SHIFT:
ATTRACT = True
if len(headset.alpha[0]) > 0 and headset.alpha[0][-1][0] > headset.alpha[0][-1][1] * 1.0:
ATTRACT = True
delay = 10 # Delay before repulsing to counter small alpha fluctuation.
elif delay > 0:
delay -= 1
SPAWN = False
SPAWN = CTRL in canvas.key.modifiers
if canvas.key.code == CTRL:
SPAWN = True
if len(headset.valence) > 0 and headset.valence[-1][0] > headset.valence[-1][1]:
SPAWN = True
# In mute mode, ignore triggering alpha and valence.
if MUTE:
ATTRACT = SPAWN = False
delay = 0
# Dimmer sends a value over UDP that drops to 0 when relaxed.
# It can be used to dim ambient lighting using a domotica module.
m = 0.0025
if ATTRACT:
DIM = clamp(DIM-m, 0.0, 1.0)
else:
DIM = clamp(DIM+m, 0.0, 1.0)
if DIM < 0.8 and dimmer is not None:
dimmer.send("%.2f" % (DIM * 100))
# Valence controls the balance between high and low ambient.
v = headset.valence.slope # -1.0 => +1.0
v = 0.0
dx = 1.0 - v
dy = 1.0 + v
# Mouse changes the volume of low and high ambient sound.
#dx = canvas.mouse.relative_x
#dy = canvas.mouse.relative_y
samples["ambient_lo"].play(volume=0.7 * dx)
samples["ambient_hi"].play(volume=0.7 * dy)
if canvas.key.code == ALT:
text("%.2f FPS" % canvas.profiler.framerate, canvas.width-80, 15, align=RIGHT, fill=[1,1,1,0.75])
if canvas.frame / 20 % 2 == 0:
fill(1,1,1, 0.75)
fontsize(9)
if len(headset.alpha[0]) > 0:
ellipse(canvas.width-18, 19.5, 7, 7, fill=[1,1,1,1])
if ATTRACT or SPAWN:
ellipse(15, 19.5, 7, 7, fill=[1,0,0,1])
if ATTRACT and SPAWN:
text(" RELAXATION + AROUSAL", 20, 15)
elif ATTRACT:
text(" RELAXATION", 20, 15)
elif SPAWN:
text(" AROUSAL", 20, 15)
elif MUTE:
text(" READY", 20, 15)
# Zoom out as the attractor grows larger.
# Integrate the zoom scale to make the transition smoother.
d = (1.25 - len(attractor.particles) * 0.05)
if ZOOM > -0.15 and ZOOM > d:
ZOOM -= 0.0025
if ZOOM < +1.25 and ZOOM < d:
ZOOM += 0.0025
dx = 0.5 * ZOOM * canvas.width
dy = 0.5 * ZOOM * canvas.height
translate(-dx, -dy)
scale(1.0 + ZOOM)
for p in list(particles):
d = distance(p.x, p.y, attractor.x, attractor.y)
t = d / canvas.width * 2
p.update()
# When valence is low, unattached feelie particles fade away.
if SPAWN is False:
if p.parent is None and p.type == FEELIE:
p.alpha -= 0.04
p.alpha = max(p.alpha, 0)
if p.alpha == 0:
# Remove hidden feelies, so we have a chance to see new ones.
particles.remove(p)
# Check if a particle falls within the attraction radius:
# If so, attract it when alpha is above average.
if ATTRACT is True:
if p.parent is None and p.frames >= 0 and p.alpha >= 0.25:
if d < min(210, p.radius + attractor.radius * attractor.gravity):
attractor.append(p)
samples["attract"].play().volume = 0.75
p.draw(blur=t, alpha=(1-t))
# Repulse when alpha drops below average.
# Press mouse to repulse attracted particles.
if ATTRACT is False:
if random() > 0.5:
if len(attractor.particles) > 0:
attractor.remove(attractor.particles[0])
samples["repulse"].play()
# When valence is high, feelie particles appear.
if SPAWN is True:
if random() > 0.5:
if len(particles) < 80:
p = Particle(x = choice((-30, canvas.width+30)),
y = -30,
image = choice([images["flower%i.png"%i] for i in range(2,6+1)], bias=0.25),
radius = 15 + random(20),
bounds = (-65, -65, canvas.width+65, canvas.height+65),
speed = 3.5,
type = FEELIE)
if p.image._src[0].endswith("flower3.png"):
p.radius = 20 + random(20)
if p.image._src[0].endswith("flower4.png"):
p.radius = 15 + random(10)
if p.image._src[0].endswith("flower5.png"):
p.radius = 15
if p.image._src[0].endswith("flower6.png"):
p.radius = 10 + random(5)
particles.append(p)
attractor.update()
attractor.draw_halo()
attractor.draw()
def _set_value(self, value):
self._t = clamp(float(value-self.min) / (self.max-self.min or -1), 0.0, 1.0)
def draw(canvas):
global headset
global dimmer
global images
global samples
global particles
global attractor
global ZOOM, ATTRACT, SPAWN, DIM, delay
global MUTE
glEnable(GL_DITHER)
background(0)
#image(abspath("g","bg.png"), 0, 0, width=canvas.width, height=canvas.height)
image(abspath("g", "bg-light.png"),
0,
0,
width=canvas.width,
height=canvas.height,
alpha=0.9)
if canvas.key.code == SPACE:
MUTE = not MUTE
# Poll the headset.
# Is alpha above average? => attraction.
# Is valence above average? => spawn feelies.
headset.update(buffer=1024)
ATTRACT = False
ATTRACT = delay > 0
ATTRACT = ATTRACT or SHIFT in canvas.key.modifiers
if canvas.key.code == SHIFT:
ATTRACT = True
if len(headset.alpha[0]
) > 0 and headset.alpha[0][-1][0] > headset.alpha[0][-1][1] * 1.0:
ATTRACT = True
delay = 10 # Delay before repulsing to counter small alpha fluctuation.
elif delay > 0:
delay -= 1
SPAWN = False
SPAWN = CTRL in canvas.key.modifiers
if canvas.key.code == CTRL:
SPAWN = True
if len(headset.valence
) > 0 and headset.valence[-1][0] > headset.valence[-1][1]:
SPAWN = True
# In mute mode, ignore triggering alpha and valence.
if MUTE:
ATTRACT = SPAWN = False
delay = 0
# Dimmer sends a value over UDP that drops to 0 when relaxed.
# It can be used to dim ambient lighting using a domotica module.
m = 0.0025
if ATTRACT:
DIM = clamp(DIM - m, 0.0, 1.0)
else:
DIM = clamp(DIM + m, 0.0, 1.0)
if DIM < 0.8 and dimmer is not None:
dimmer.send("%.2f" % (DIM * 100))
# Valence controls the balance between high and low ambient.
v = headset.valence.slope # -1.0 => +1.0
v = 0.0
dx = 1.0 - v
dy = 1.0 + v
# Mouse changes the volume of low and high ambient sound.
#dx = canvas.mouse.relative_x
#dy = canvas.mouse.relative_y
samples["ambient_lo"].play(volume=0.7 * dx)
samples["ambient_hi"].play(volume=0.7 * dy)
if canvas.key.code == ALT:
text("%.2f FPS" % canvas.profiler.framerate,
canvas.width - 80,
15,
align=RIGHT,
fill=[1, 1, 1, 0.75])
if canvas.frame / 20 % 2 == 0:
fill(1, 1, 1, 0.75)
fontsize(9)
if len(headset.alpha[0]) > 0:
ellipse(canvas.width - 18, 19.5, 7, 7, fill=[1, 1, 1, 1])
if ATTRACT or SPAWN:
ellipse(15, 19.5, 7, 7, fill=[1, 0, 0, 1])
if ATTRACT and SPAWN:
text(" RELAXATION + AROUSAL", 20, 15)
elif ATTRACT:
text(" RELAXATION", 20, 15)
elif SPAWN:
text(" AROUSAL", 20, 15)
elif MUTE:
text(" READY", 20, 15)
# Zoom out as the attractor grows larger.
# Integrate the zoom scale to make the transition smoother.
d = (1.25 - len(attractor.particles) * 0.05)
if ZOOM > -0.15 and ZOOM > d:
ZOOM -= 0.0025
if ZOOM < +1.25 and ZOOM < d:
ZOOM += 0.0025
dx = 0.5 * ZOOM * canvas.width
dy = 0.5 * ZOOM * canvas.height
translate(-dx, -dy)
scale(1.0 + ZOOM)
for p in list(particles):
d = distance(p.x, p.y, attractor.x, attractor.y)
t = d / canvas.width * 2
p.update()
# When valence is low, unattached feelie particles fade away.
if SPAWN is False:
if p.parent is None and p.type == FEELIE:
p.alpha -= 0.04
p.alpha = max(p.alpha, 0)
if p.alpha == 0:
# Remove hidden feelies, so we have a chance to see new ones.
particles.remove(p)
# Check if a particle falls within the attraction radius:
# If so, attract it when alpha is above average.
if ATTRACT is True:
if p.parent is None and p.frames >= 0 and p.alpha >= 0.25:
if d < min(210,
p.radius + attractor.radius * attractor.gravity):
attractor.append(p)
samples["attract"].play().volume = 0.75
p.draw(blur=t, alpha=(1 - t))
# Repulse when alpha drops below average.
# Press mouse to repulse attracted particles.
if ATTRACT is False:
if random() > 0.5:
if len(attractor.particles) > 0:
attractor.remove(attractor.particles[0])
samples["repulse"].play()
# When valence is high, feelie particles appear.
if SPAWN is True:
if random() > 0.5:
if len(particles) < 80:
p = Particle(
x=choice((-30, canvas.width + 30)),
y=-30,
image=choice(
[images["flower%i.png" % i] for i in range(2, 6 + 1)],
bias=0.25),
radius=15 + random(20),
bounds=(-65, -65, canvas.width + 65, canvas.height + 65),
speed=3.5,
type=FEELIE)
if p.image._src[0].endswith("flower3.png"):
p.radius = 20 + random(20)
if p.image._src[0].endswith("flower4.png"):
p.radius = 15 + random(10)
if p.image._src[0].endswith("flower5.png"):
p.radius = 15
if p.image._src[0].endswith("flower6.png"):
p.radius = 10 + random(5)
particles.append(p)
attractor.update()
attractor.draw_halo()
attractor.draw()