这样一个生产随机排布的程序,是在立方体内生产随机球体,我现在想在圆柱体内生产,这要怎么修改,忘高人指点!万分感谢!
xmin=1
xmax=5
ymin=2
ymax=6
zmin=3
zmax=7
num=100
rmin=0.05
rmax=0.5
*dim,sph,array,num,4
cum=0
*do,i,1,1000000
*if,cum,eq,num,then
*exit
*endif
x=rand(xmin,xmax)
y=rand(ymin,ymax)
z=rand(zmin,zmax)
r=rand(rmin,rmax)
*if,x-r,gt,xmin,and,x+r,lt,xmax,then
*if,y-r,gt,ymin,and,y+r,lt,ymax,then
*if,z-r,gt,zmin,and,z+r,lt,zmax,then
*if,cum,eq,0,then
cum=cum+1
sph(cum,1)=x
sph(cum,2)=y
sph(cum,3)=z
sph(cum,4)=r
*else
sum=0
*do,j,1,cum
dist=sqrt((sph(j,1)-x)**2+(sph(j,2)-y)**2+(sph(j,3)-z)**2)
*if,dist,lt,sph(j,4)+r,then
*exit
*else
sum=sum+1
*endif
*enddo
*if,sum,eq,cum,then
cum=cum+1
sph(cum,1)=x
sph(cum,2)=y
sph(cum,3)=z
sph(cum,4)=r
*endif
*endif
*endif
*endif
*endif
*enddo
/prep7
*do,i,1,num
wpave,sph(i,1),sph(i,2),sph(i,3)
sph4,0,0,sph(i,4)
*enddo
|