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truchet.2dpy
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def Init():
# --- author : jamesc
STR.SetFParam0Name("Levels")
STR.SetFParam1Name("Offset")
STR.SetFParam2Name("Shapes")
GLB.slots = STR.GetMaxSlots()
GLB.xmode = 0
GLB.twopi = 6.28318530
GLB.f0 = 0.5
GLB.f1 = 0.5
GLB.f2 = 0.5
# --- clear screen
cr.set_source_rgba(0.0,0.0,0.0,1)
cr.rectangle(0,0,320,240)
cr.fill()
# mode is used for troubleshooting selection algorithm
def SetColor( foreground, level):
if foreground:
if level%2:
cr.set_source_rgb(1,1,1)
else:
cr.set_source_rgb(0,0,0)
else:
if level%2:
cr.set_source_rgb(0,0,0)
else:
cr.set_source_rgb(1,1,1)
GLB.SetColor = SetColor
def DrawShape( cx, cy, s, shape, level, mode):
if GLB.f2 > 0:
shape = (GLB.f1+shape%GLB.f2)%12
else:
shape = 14 if int(GLB.f1) > 14 else int(GLB.f1)
cx = cx + s/2
cy = cy + s/2
# Reference square
if mode == 3:
cr.set_source_rgb(1,0,0)
cr.rectangle(cx-s/2,cy-s/2,s,s)
cr.stroke()
return
if mode == 3:
cr.set_source_rgb(0,0,1)
cr.rectangle(cx-s/2,cy-s/2,s,s)
cr.stroke()
return
# Draw back
if shape==5:
GLB.SetColor(1,level)
else:
GLB.SetColor(0,level)
cr.rectangle(cx-s/2,cy-s/2,s,s)
cr.fill()
# Draw 4 corners
cr.save()
# Shape 11 - 14
if( shape >= 11 and shape <= 14 ):
if shape>11:
cr.translate(cx,cy)
if shape == 12:
cr.rotate(GLB.twopi/2)
if shape == 13:
cr.rotate(-GLB.twopi/4)
if shape == 14:
cr.rotate(GLB.twopi/4)
cr.translate(-cx,-cy)
GLB.SetColor(1,level)
cr.rectangle(cx-s/2,cy-s/6,s,2*s/3);
cr.fill()
cr.arc(cx,cy+s/2,s/6,0,GLB.twopi)
cr.fill()
cr.arc(cx,cy-s/2,s/6,0,GLB.twopi)
cr.fill()
cr.set_line_cap(cairo.LINE_CAP_ROUND)
cr.set_line_width(s/3)
cr.move_to(cx-s/2,cy)
cr.line_to(cx+s/2,cy)
cr.stroke()
GLB.SetColor(0,level)
cr.arc(cx-s/2,cy+s/2,s/3,0,GLB.twopi)
cr.fill()
cr.arc(cx-s/2,cy-s/2,s/3,0,GLB.twopi)
cr.fill()
cr.arc(cx+s/2,cy+s/2,s/3,0,GLB.twopi)
cr.fill()
cr.arc(cx+s/2,cy-s/2,s/3,0,GLB.twopi)
cr.fill()
# Shape 0 - 1
if( shape >= 0 and shape <= 1):
if(shape == 1):
cr.translate(cx,cy)
cr.rotate(GLB.twopi/4)
cr.translate(-cx,-cy)
cr.set_line_cap(cairo.LINE_CAP_ROUND)
GLB.SetColor(1,level)
cr.set_line_width(s/3)
cr.arc(cx-s/2,cy-s/2,s/2,0,GLB.twopi/4)
cr.stroke()
cr.arc(cx+s/2,cy+s/2,s/2,GLB.twopi/2,-GLB.twopi/4)
cr.stroke()
# Shape 2 - 3
if( shape >= 2 and shape <= 3):
if(shape == 3):
cr.translate(cx,cy)
cr.rotate(GLB.twopi/4)
cr.translate(-cx,-cy)
GLB.SetColor(1,level)
cr.arc(cx,cy+s/2,s/6,0,GLB.twopi)
cr.fill()
cr.arc(cx,cy-s/2,s/6,0,GLB.twopi)
cr.fill()
cr.set_line_cap(cairo.LINE_CAP_ROUND)
cr.set_line_width(s/3)
cr.move_to(cx-s/2,cy)
cr.line_to(cx+s/2,cy)
cr.stroke()
# Shape 4 - 5
if( shape >= 4 and shape <= 5 ):
GLB.SetColor(1,level)
cr.arc(cx,cy+s/2,s/6,0,GLB.twopi)
cr.fill()
cr.arc(cx,cy-s/2,s/6,0,GLB.twopi)
cr.fill()
cr.arc(cx-s/2,cy,s/6,0,GLB.twopi)
cr.fill()
cr.arc(cx+s/2,cy,s/6,0,GLB.twopi)
cr.fill()
# Shape 6
if( shape == 6 ):
GLB.SetColor(1,level)
cr.set_line_cap(cairo.LINE_CAP_ROUND)
cr.set_line_width(s/3)
cr.move_to(cx-s/2,cy)
cr.line_to(cx+s/2,cy)
cr.stroke()
cr.move_to(cx,cy-s/2)
cr.line_to(cx,cy+s/2)
cr.stroke()
# Shape 7 - 10
if( shape >= 7 and shape <= 10 ):
if shape>7:
cr.translate(cx,cy)
if shape == 8:
cr.rotate(GLB.twopi/2)
if shape == 9:
cr.rotate(GLB.twopi/4)
if shape == 10:
cr.rotate(-GLB.twopi/4)
cr.translate(-cx,-cy)
GLB.SetColor(1,level)
cr.arc(cx-s/2,cy,s/6,0,GLB.twopi)
cr.fill()
cr.arc(cx,cy-s/2,s/6,0,GLB.twopi)
cr.fill()
cr.set_line_cap(cairo.LINE_CAP_ROUND)
cr.set_line_width(s/3)
cr.arc(cx+s/2,cy+s/2,s/2,GLB.twopi/2,-GLB.twopi/4)
cr.stroke()
# Shape 11 - 14
if( shape >= 11 and shape <= 14 ):
if shape>11:
cr.translate(cx,cy)
if shape == 8:
cr.rotate(GLB.twopi/2)
if shape == 9:
cr.rotate(GLB.twopi/4)
if shape == 10:
cr.rotate(-GLB.twopi/4)
cr.translate(-cx,-cy)
GLB.SetColor(1,level)
if mode == 3:
cr.set_source_rgb(1,0,0)
cr.rectangle(cx-s/2,cy-s/2,s,s)
cr.stroke()
if mode == 4:
cr.set_source_rgb(0,0,1)
cr.rectangle(cx-s/2,cy-s/2,s,s)
cr.stroke()
cr.restore()
GLB.DrawShape = DrawShape
def Render(cr):
acc = STR.CheckAccent()
trig = STR.CheckTrigger()
GLB.f0 = int(STR.F0()*4)
GLB.f1 = int(STR.F1()*14)
GLB.f2 = int(STR.F2()*14)
ftime = STR.FT()
itime = STR.IT()
time = (itime *1.0) + ftime
# --- clear screen
cr.set_source_rgba(0.25,0.25,0.25,1)
#cr.set_source_rgba(0,0,0,f0)
cr.rectangle(0,0,320,240)
cr.fill()
cr.set_antialias(cairo.ANTIALIAS_FAST)
if trig:
GLB.xmode = 1 if GLB.xmode==0 else 0
cnt = 4
buf = 1
size = 240/(cnt + 2*buf)
# This resets the random to be the same each time, but relative to time
random.seed(42+int(time*16.0))
div2list = []
for x in range(cnt):
for y in range(cnt):
# 40 is offset of difference in resolution
r = (random.random()*2)
if( r < 1 and GLB.f0 > 0 ):
div2list.append([40+buf*size + x*size,buf*size + y*size])
else:
GLB.DrawShape(40+buf*size + x*size,buf*size + y*size,size,int(random.random()*15)%15,0,1)
div = 2
div4list = []
for p in div2list:
x,y=p
for a in range(2):
for b in range(2):
r = (random.random()*8)
if( r < 1 and GLB.f0 > 1):
div4list.append([x+a*size/div,y+b*size/div])
else:
GLB.DrawShape(x + a*size/div,y + b*size/div,size/div,int(random.random()*15)%15,1,2)
div = 4
div8list = []
for p in div4list:
x,y=p
for a in range(2):
for b in range(2):
r = (random.random()*4)
if( r < 1 and GLB.f0 > 2):
div8list.append([x+a*size/div,y+b*size/div])
else:
GLB.DrawShape(x + a*size/div,y + b*size/div,size/div,int(random.random()*15)%15,2,2)
div = 8
for p in div8list:
x,y=p
for a in range(2):
for b in range(2):
GLB.DrawShape(x + a*size/div,y + b*size/div,size/div,int(random.random()*15)%15,3,2)
# div = 4
# div8list = []
#
# for p in div4list:
# x,y=p
# r = (random.random()*2)
# if( r < 1 ):
# div8list.append([x,y])
# else:
# for a in range(2):
# for b in range(2):
# GLB.DrawShape(40+buf*size + x*size + a*size/div,buf*size + y*size + b*size/div,size/div,int(random.random()*15)%15,2,2)
#
# div = 8
# for p in div8list:
# x,y=p
# #r = (random.random()*2)
# #if( r < 1 ):
# # div3list.append([x,y])
# #else:
# for a in range(2):
# for b in range(2):
# GLB.DrawShape(40+buf*size + x*size + a*size/div,buf*size + y*size + b*size/div,size/div,int(random.random()*15)%15,3,2)