1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
|
from Tkinter import *
import csnd6
class Application(Frame):
def move(self,event):
canvas = event.widget
x = canvas.canvasx(event.x)
y = canvas.canvasy(event.y)
item = canvas.find_withtag("current")[0]
canvas.coords(item, x+10, y+10, x-10, y-10)
self.cs.SetChannel("pitch", 55+660*(x/self.size))
self.cs.SetChannel("level", self.lvl)
def click(self,event):
self.lvl = self.cs.GetChannel("level")
self.cs.SetChannel("clicked", 1)
self.drawing = False
def unclick(self,event):
self.cs.SetChannel("clicked", 0)
self.drawing = True
def createCanvas(self):
self.size = 600
self.canvas = Canvas(self,height=self.size,width=self.size,bg="violet")
self.canvas.pack()
def createShapes(self):
item = self.canvas.create_oval(self.size/2-10,self.size/2-10,self.size/2+10,self.size/2+10,fill="black")
self.items.append(item)
self.notes.append(440)
self.notes.append(item)
self.canvas.tag_bind(item,"<ButtonPress>", self.click)
self.canvas.tag_bind(item,"<B1-Motion>", self.move)
self.canvas.tag_bind(item,"<ButtonRelease>", self.unclick)
def meter(self):
iw = 10
for i in range(0, self.size, iw):
self.vu.append(self.canvas.create_rectangle(i,self.size-40,i+iw,self.size,fill="grey"))
def draw(self):
level = self.cs.GetChannel("meter")
posy = self.size - self.cs.GetChannel("pitch")*self.size
posx = level/10
if posy > self.size-40: posy = self.size-60
if posx > self.size: posx = self.size - 20
if posx < 0 : posx = 20
if posy < 0 : posy = 20
if self.drawing:
self.canvas.coords(self.items[0], posx, posy, posx+30, posy+30)
cnt = 0
red = (self.size/10)*0.8
yellow = (self.size/10)*0.6
for i in self.vu:
if level > cnt*100:
if cnt > red:
self.canvas.itemconfigure(i, fill="red")
self.canvas.itemconfigure(self.items[0], fill="red")
elif cnt > yellow:
self.canvas.itemconfigure(i, fill="yellow")
self.canvas.itemconfigure(self.items[0], fill="yellow")
else:
self.canvas.itemconfigure(i, fill="blue")
self.canvas.itemconfigure(self.items[0], fill="blue")
else:
self.canvas.itemconfigure(i, fill="grey")
cnt = cnt + 1
self.master.after(50,self.draw)
def quit(self):
self.master.destroy()
self.perf.Stop()
self.perf.Join()
def __init__(self,master=None):
master.title("make the ball jump!")
self.items = []
self.notes = []
Frame.__init__(self,master)
self.pack()
self.createCanvas()
self.createShapes()
self.cs = csnd6.Csound()
res = self.cs.Compile("vu.csd")
self.cs.SetChannel("pitch", 1.0)
self.cs.SetChannel("volume", 1.0)
self.drawing = True
self.vu = []
self.meter()
master.after(100, self.draw),
self.master = master
self.perf = csnd6.CsoundPerformanceThread(self.cs)
self.perf.Play()
self.master.protocol("WM_DELETE_WINDOW", self.quit)
app = Application(Tk())
app.mainloop()
|
