59 lines
906 B
Python
59 lines
906 B
Python
from casioplot import *
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def line(pos1,pos2):
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x1=int(pos1[0])
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y1=int(pos1[1])
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x2=int(pos2[0])
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y2=int(pos2[1])
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"""if x2>x1:
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tmp=x1
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x1=x2
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x2=tmp
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del tmp
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if y2>y1:
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tmp=y1
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y1=y2
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y2=tmp
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del tmp
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dx=x1-x2
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dy=y1-y2
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if dx<dy:
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e=dx/dy
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d=x2
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for i in range(y2,y1):
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set_pixel(int(d),i)
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d+=e
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else:
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e=dy/dx
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d=y2
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for i in range(x2,x1):
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set_pixel(i,int(d))
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d+=e"""
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dx=abs(x2-x1)
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sx=x1<x2
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if sx==True:
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sx=1
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else:
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sx=-1
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dy=-abs(y2-y1)
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sy=y1<y2
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if sy==True:
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sy=1
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else:
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sy=-1
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error=dx+dy
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while True:
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set_pixel(x1,y1)
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if x1==x2 and y1==y2:
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break
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e2=2*error
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if e2>=dy:
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if x1==x2:
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break
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error=error+dy
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x1+=sx
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if e2<=dx:
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if y1==y2:
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break
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error=error+dx
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y1+=sy |