w = ps.Window(title = "Rose Curves")
all_rects = list()
# Create 1000 squares with different colors
for i in range(1000):
r = random.random()
a = abs(math.cos(i))*0.5
side_length = abs(math.sin(i))*50
r = ps.Rect(0,0,side_length,side_length,ps.Color(r,abs(math.sin(i)),1,0.1))
w.add(r) # Add the rectangles to the window...
all_rects.append(r) # and keep track of them with a list
k = 0.25
while w.is_open():
x,y = ps.get_mouse_pos()
t = w.s_since_open()*2 # Use a scaled time since program start as the parametric time value
radius = abs(math.sin(w.s_since_open()))
if radius < 0.01: # Every time the curve collapses...
k = random.random() # Randomize the k value to change the type of the curve
#k = float(x)/w.width
print k
#k = 0.760935
# Place every rectangle along a rose curve, offset by its index
for (i,r) in enumerate(all_rects):
ran = random.random()
r.x = radius*math.cos(k*(t+i))*math.sin(t+i)*w.width/2+w.width/2
r.y = radius*math.sin(k*(t+i))*math.sin(t+i)*w.height/2+w.height/2
r.color = (math.cos(t/10.0), math.sin(t/10.0), math.sin(ran*i)/2.0 + .5, 0.1)
# Update the screen
def simulate(self, t): x,y = ps.get_mouse_pos() self.y = y - self.height/2
import pyshiva as ps
from math import sin
w = ps.Window(title="Follow Me!")
for circle_idx in range(25):
rgba = (abs(sin(circle_idx)), 0, abs(sin(circle_idx)), 0.5)
w.add(ps.Circle(x=0, y=0, radius=circle_idx, color=rgba))
while w.is_open():
t = w.s_since_refresh()
x, y = ps.get_mouse_pos()
for i, e in enumerate(w):
dx = x - e.x
dy = y - e.y
e.x += dx * (t * i * 0.3)
e.y += dy * (t * i * 0.3)
w.refresh()
def simulate(self, t):
x, y = ps.get_mouse_pos()
self.y = y - self.height / 2
