canvas实现立体音调围成圆球旋转牵线跟踪弹奏音乐效果代码
代码语言：html
所属分类：动画
代码描述：canvas实现立体音调围成圆球旋转牵线跟踪弹奏音乐效果代码，点击开始弹奏音乐。
代码标签： canvas 立体 音调 围成 圆球 旋转 牵线 跟踪 弹奏 音乐
下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开
<!DOCTYPE html>
<html lang="en" >
<head>
<meta charset="UTF-8">
<style>
body,html{
background: #000;
margin: 0;
height: 100vh;
overflow: hidden;
}
#c{
background:#000;
position: absolute;
left: 50%;
top: 50%;
transform: translate(-50%, -50%);
}
</style>
</head>
<body >
<canvas id=c>
<script >
c = document.querySelector('#c')
c.width = 1920
c.height = 1080
x = c.getContext('2d')
C = Math.cos
S = Math.sin
t = 0
T = Math.tan
rsz=window.onresize=()=>{
setTimeout(()=>{
if(document.body.clientWidth > document.body.clientHeight*1.77777778){
c.style.height = '100vh'
setTimeout(()=>c.style.width = c.clientHeight*1.77777778+'px',0)
}else{
c.style.width = '100vw'
setTimeout(()=>c.style.height = c.clientWidth/1.77777778 + 'px',0)
}
},0)
}
rsz()
async function Draw(){
if(!t){
R=(Rl,Pt,Yw,m)=>{
M=Math
A=M.atan2
H=M.hypot
X=S(p=A(X,Z)+Yw)*(d=H(X,Z))
Z=C(p)*d
Y=S(p=A(Y,Z)+Pt)*(d=H(Y,Z))
Z=C(p)*d
X=S(p=A(X,Y)+Rl)*(d=H(X,Y))
Y=C(p)*d
if(m){
X+=oX
Y+=oY
Z+=oZ
}
}
Q=()=>[c.width/2+X/Z*700,c.height/2+Y/Z*700]
I=(A,B,M,D,E,F,G,H)=>(K=((G-E)*(B-F)-(H-F)*(A-E))/(J=(H-F)*(M-A)-(G-E)*(D-B)))>=0&&K<=1&&(L=((M-A)*(B-F)-(D-B)*(A-E))/J)>=0&&L<=1?[A+K*(M-A),B+K*(D-B)]:0
Rn = Math.random
async function loadOBJ(url, scale, tx, ty, tz, rl, pt, yw) {
let res
await fetch(url, res => res).then(data=>data.text()).then(data=>{
a=[]
data.split("\nv ").map(v=>{
a=[...a, v.split("\n")[0]]
})
a=a.filter((v,i)=>i).map(v=>[...v.split(' ').map(n=>(+n.replace("\n", '')))])
ax=ay=az=0
a.map(v=>{
v[1]*=-1
ax+=v[0]
ay+=v[1]
az+=v[2]
})
ax/=a.length
ay/=a.length
az/=a.length
a.map(v=>{
X=(v[0]-ax)*scale
Y=(v[1]-ay)*scale
Z=(v[2]-az)*scale
R2(rl,pt,yw,0)
v[0]=X
v[1]=Y
v[2]=Z
})
maxY=-6e6
a.map(v=>{
if(v[1]>maxY)maxY=v[1]
})
a.map(v=>{
v[1]-=maxY-oY
v[0]+=tx
v[1]+=ty
v[2]+=tz
})
b=[]
data.split("\nf ").map(v=>{
b=[...b, v.split("\n")[0]]
})
b.shift()
b=b.map(v=>v.split(' '))
b=b.map(v=>{
v=v.map(q=>{
return +q.split('/')[0]
})
v=v.filter(q=>q)
return v
})
res=[]
b.map(v=>{
e=[]
v.map(q=>{
e=[...e, a[q-1]]
})
e = e.filter(q=>q)
res=[...res, e]
})
})
return res
}
geoSphere = (mx, my, mz, iBc, size) => {
let collapse=0
let B=Array(iBc).fill().map(v=>{
X = Rn()-.5
Y = Rn()-.5
Z = Rn()-.5
return [X,Y,Z]
})
for(let m=150;m--;){
B.map((v,i)=>{
X = v[0]
Y = v[1]
Z = v[2]
B.map((q,j)=>{
if(j!=i){
X2=q[0]
Y2=q[1]
Z2=q[2]
d=1+(Math.hypot(X-X2,Y-Y2,Z-Z2)*(3+iBc/40)*3)**4
X+=(X-X2)*1e3/d
Y+=(Y-Y2)*1e3/d
Z+=(Z-Z2)*1e3/d
}
})
d=Math.hypot(X,Y,Z)
v[0]=X/d
v[1]=Y/d
v[2]=Z/d
if(collapse){
d=25+Math.hypot(X,Y,Z)
v[0]=(X-X/d)/1.1
v[1]=(Y-Y/d)/1.1
v[2]=(Z-Z/d)/1.1
}
})
}
mind = 6e6
B.map((v,i)=>{
X1 = v[0]
Y1 = v[1]
Z1 = v[2]
B.map((q,j)=>{
X2 = q[0]
Y2 = q[1]
Z2 = q[2]
if(i!=j){
d = Math.hypot(a=X1-X2, b=Y1-Y2, e=Z1-Z2)
if(d<mind) mind = d
}
})
})
a = []
B.map((v,i)=>{
X1 = v[0]
Y1 = v[1]
Z1 = v[2]
B.map((q,j)=>{
X2 = q[0]
Y2 = q[1]
Z2 = q[2]
if(i!=j){
d = Math.hypot(X1-X2, Y1-Y2, Z1-Z2)
if(d<mind*2){
if(!a.filter(q=>q[0]==X2&&q[1]==Y2&&q[2]==Z2&&q[3]==X1&&q[4]==Y1&&q[5]==Z1).length) a = [...a, [X1*size,Y1*size,Z1*size,X2*size,Y2*size,Z2*size]]
}
}
})
})
B.map(v=>{
v[0]*=size
v[1]*=size
v[2]*=size
v[0]+=mx
v[1]+=my
v[2]+=mz
})
return [mx, my, mz, size, B, a]
}
lineFaceI = (X1, Y1, Z1, X2, Y2, Z2, facet, autoFlipNormals=false, showNormals=false) => {
let X_, Y_, Z_, d, m, l_,K,J,L,p
let I_=(A,B,M,D,E,F,G,H)=>(K=((G-E)*(B-F)-(H-F)*(A-E))/(J=(H-F)*(M-A)-(G-E)*(D-B)))>=0&&K<=1&&(L=((M-A)*(B-F)-(D-B)*(A-E))/J)>=0&&L<=1?[A+K*(M-A),B+K*(D-B)]:0
let Q_=()=>[c.width/2+X_/Z_*600,c.height/2+Y_/Z_*600]
let R_ = (Rl,Pt,Yw,m)=>{
let M=Math, A=M.atan2, H=M.hypot
X_=S(p=A(X_,Y_)+Rl)*(d=H(X_,Y_)),Y_=C(p)*d,X_=S(p=A(X_,Z_)+Yw)*(d=H(X_,Z_)),Z_=C(p)*d,Y_=S(p=A(Y_,Z_)+Pt)*(d=H(Y_,Z_)),Z_=C(p)*d
if(m){ X_+=oX,Y_+=oY,Z_+=oZ }
}
let rotSwitch = m =>{
switch(m){
case 0: R_(0,0,Math.PI/2); break
case 1: R_(0,Math.PI/2,0); break
case 2: R_(Math.PI/2,0,Math.PI/2); break
}
}
let ax = 0, ay = 0, az = 0
facet.map(q_=>{ ax += q_[0], ay += q_[1], az += q_[2] })
ax /= facet.length, ay /= facet.length, az /= facet.length
let b1 = facet[2][0]-facet[1][0], b2 = facet[2][1]-facet[1][1], b3 = facet[2][2]-facet[1][2]
let c1 = facet[1][0]-facet[0][0], c2 = facet[1][1]-facet[0][1], c3 = facet[1][2]-facet[0][2]
let crs = [b2*c3-b3*c2,b3*c1-b1*c3,b1*c2-b2*c1]
d = Math.hypot(...crs)+.001
let nls = 1 //normal line length
crs = crs.map(q=>q/d*nls)
let X1_ = ax, Y1_ = ay, Z1_ = az
let flip = 1
if(autoFlipNormals){
let d1_ = Math.hypot(X1_-X1,Y1_-Y1,Z1_-Z1)
let d2_ = Math.hypot(X1-(ax + crs[0]/99),Y1-(ay + crs[1]/99),Z1-(az + crs[2]/99))
flip = d2_>d1_?-1:1
}
let X2_ = ax + (crs[0]*=flip), Y2_ = ay + (crs[1]*=flip), Z2_ = az + (crs[2]*=flip)
if(showNormals){
x.beginPath()
X_ = X1_, Y_ = Y1_, Z_ = Z1_
R_(Rl,Pt,Yw,1)
if(Z_>0) x.lineTo(...Q_())
X_ = X2_, Y_ = Y2_, Z_ = Z2_
R_(Rl,Pt,Yw,1)
if(Z_>0) x.lineTo(...Q_())
x.lineWidth = 5
x.strokeStyle='#f004'
x.stroke()
}
let p1_ = Math.atan2(X2_-X1_,Z2_-Z1_)
let p2_ = -(Math.acos((Y2_-Y1_)/(Math.hypot(X2_-X1_,Y2_-Y1_,Z2_-Z1_)+.001))+Math.PI/2)
let isc = false, iscs = [false,false,false]
X_ = X1, Y_ = Y1, Z_ = Z1
R_(0,-p2_,-p1_)
let rx_ = X_, ry_ = Y_, rz_ = Z_
for(let m=3;m--;){
if(isc === false){
X_ = rx_, Y_ = ry_, Z_ = rz_
rotSwitch(m)
X1_ = X_, Y1_ = Y_, Z1_ = Z_ = 5, X_ = X2, Y_ = Y2, Z_ = Z2
R_(0,-p2_,-p1_)
rotSwitch(m)
X2_ = X_, Y2_ = Y_, Z2_ = Z_
facet.map((q_,j_)=>{
if(isc === false){
let l = j_
X_ = facet[l][0], Y_ = facet[l][1], Z_ = facet[l][2]
R_(0,-p2_,-p1_)
rotSwitch(m)
let X3_=X_, Y3_=Y_, Z3_=Z_
l = (j_+1)%facet.length
X_ = facet[l][0], Y_ = facet[l][1], Z_ = facet[l][2]
R_(0,-p2_,-p1_)
rotSwitch(m)
let X4_ = X_, Y4_ = Y_, Z4_ = Z_
if(l_=I_(X1_,Y1_,X2_,Y2_,X3_,Y3_,X4_,Y4_)) iscs[m] = l_
}
})
}
}
if(iscs.filter(v=>v!==false).length==3){
let iscx = iscs[1][0], iscy = iscs[0][1], iscz = iscs[0][0]
let pointInPoly = true
ax=0, ay=0, az=0
facet.map((q_, j_)=>{ ax+=q_[0], ay+=q_[1], az+=q_[2] })
ax/=facet.length, ay/=facet.length, az/=facet.length
X_ = ax, Y_ = ay, Z_ = az
R_(0,-p2_,-p1_)
X1_ = X_, Y1_ = Y_, Z1_ = Z_
X2_ = iscx, Y2_ = iscy, Z2_ = iscz
facet.map((q_,j_)=>{
if(pointInPoly){
let l = j_
X_ = facet[l][0], Y_ = facet[l][1], Z_ = facet[l][2]
R_(0,-p2_,-p1_)
let X3_ = X_, Y3_ = Y_, Z3_ = Z_
l = (j_+1)%facet.length
X_ = facet[l][0], Y_ = facet[l][1], Z_ = facet[l][2]
R_(0,-p2_,-p1_)
let X4_ = X_, Y4_ = Y_, Z4_ = Z_
if(I_(X1_,Y1_,X2_,Y2_,X3_,Y3_,X4_,Y4_)) pointInPoly = false
}
})
if(pointInPoly){
X_ = iscx, Y_ = iscy, Z_ = iscz
R_(0,p2_,0)
R_(0,0,p1_)
isc = [[X_,Y_,Z_], [crs[0],crs[1],crs[2]]]
}
}
return isc
}
Cylinder = (rw,cl,ls1,ls2) => {
let a = []
for(let i=rw;i--;){
let b = []
for(let j=cl;j--;){
X = S(p=Math.PI*2/cl*j) * ls1
Y = (1/rw*i-.5)*ls2
Z = C(p) * ls1
b = [...b, [X,Y,Z]]
}
//a = [...a, b]
for(let j=cl;j--;){
b = []
X = S(p=Math.PI*2/cl*j) * ls1
Y = (1/rw*i-.5)*ls2
Z = C(p) * ls1
b = [...b, [X,Y,Z]]
X = S(p=Math.PI*2/cl*(j+1)) * ls1
Y = (1/rw*i-.5)*ls2
Z = C(p) * ls1
b = [...b, [X,Y,Z]]
X = S(p=Math.PI*2/cl*(j+1)) * ls1
Y = (1/rw*(i+1)-.5)*ls2
Z = C(p) * ls1
b = [...b, [X,Y,Z]]
X = S(p=Math.PI*2/cl*j) * ls1
Y = (1/rw*(i+1)-.5)*ls2
Z = C(p) * ls1
b = [...b, [X,Y,Z]]
a = [...a, b]
}
}
b = []
for(let j=cl;j--;){
X = S(p=Math.PI*2/cl*j) * ls1
Y = ls2/2
Z = C(p) * ls1
b = [...b, [X,Y,Z]]
}
//a = [...a, b]
return a
}
Tetrahedron = size => {
ret = []
a = []
let h = size/1.4142/1.25
for(i=3;i--;){
X = S(p=Math.PI*2/3*i) * size/1.25
Y = C(p) * size/1.25
Z = h
a = [...a, [X,Y,Z]]
}
ret = [...ret, a]
for(j=3;j--;){
a = []
X = 0
Y = 0
Z = -h
a = [...a, [X,Y,Z]]
X = S(p=Math.PI*2/3*j) * size/1.25
Y = C(p) * size/1.25
Z = h
a = [...a, [X,Y,Z]]
X = S(p=Math.PI*2/3*(j+1)) * size/1.25
Y = C(p) * size/1.25
Z = h
a = [...a, [X,Y,Z]]
ret = [...ret, a]
}
ax=ay=az=ct=0
ret.map(v=>{
v.map(q=>{
ax+=q[0]
ay+=q[1]
az+=q[2]
ct++
})
})
ax/=ct
ay/=ct
az/=ct
ret.map(v=>{
v.map(q=>{
q[0]-=ax
q[1]-=ay
q[2]-=az
})
})
return ret
}
Cube = size => {
for(CB=[],j=6;j--;CB=[...CB,b])for(b=[],i=4;i--;)b=[...b,[(a=[S(p=Math.PI*2/4*i+Math.PI/4),C(p),2**.5/2])[j%3]*(l=j<3?size/1.5:-size/1.5),a[(j+1)%3]*l,a[(j+2)%3]*l]]
return CB
}
Octahedron = size => {
ret = []
let h = size/1.25
for(j=8;j--;){
a = []
X = 0
Y = 0
Z = h * (j<4?-1:1)
a = [...a, [X,Y,Z]]
X = S(p=Math.PI*2/4*j) * size/1.25
Y = C(p) * size/1.25
Z = 0
a = [...a, [X,Y,Z]]
X = S(p=Math.PI*2/4*(j+1)) * size/1.25
Y = C(p) * size/1.25
Z = 0
a = [...a, [X,Y,Z]]
ret = [...ret, a]
}
return ret
}
Dodecahedron = size => {
ret = []
a = []
mind = -6e6
for(i=5;i--;){
X=S(p=Math.PI*2/5*i + Math.PI/5)
Y=C(p)
Z=0
if(Y>mind) mind=Y
a = [...a, [X,Y,Z]]
}
a.map(v=>{
X = v[0]
Y = v[1]-=mind
Z = v[2]
R(0, .553573, 0)
v[0] = X
v[1] = Y
v[2] = Z
})
b = JSON.parse(JSON.stringify(a))
b.map(v=>{
v[1] *= -1
})
ret = [...ret, a, b]
mind = -6e6
ret.map(v=>{
v.map(q=>{
X = q[0]
Y = q[1]
Z = q[2]
if(Z>mind)mind = Z
})
})
d1=Math.hypot(ret[0][0][0]-ret[0][1][0],ret[0][0][1]-ret[0][1][1],ret[0][0][2]-ret[0][1][2])
ret.map(v=>{
v.map(q=>{
q[2]-=mind+d1/2
})
})
b = JSON.parse(JSON.stringify(ret))
b.map(v=>{
v.map(q=>{
q[2]*=-1
})
})
ret = [...ret, ...b]
b = JSON.parse(JSON.stringify(ret))
b.map(v=>{
v.map(q=>{
X = q[0]
Y = q[1]
Z = q[2]
R(0,0,Math.PI/2)
R(0,Math.PI/2,0)
q[0] = X
q[1] = Y
q[2] = Z
})
})
e = JSON.parse(JSON.stringify(ret))
e.map(v=>{
v.map(q=>{
X = q[0]
Y = q[1]
Z = q[2]
R(0,0,Math.PI/2)
R(Math.PI/2,0,0)
q[0] = X
q[1] = Y
q[2] = Z
})
})
ret = [...ret, ...b, ...e]
ret.map(v=>{
v.map(q=>{
q[0] *= size/2
q[1] *= size/2
q[2] *= size/2
})
})
return ret
}
Icosahedron = size => {
ret = []
B = [
[[0,3],[1,0],[2,2]],
[[0,3],[1,0],[1,3]],
[[0,3],[2,3],[1,3]],
[[0,2],[2,1],[1,0]],
[[0,2],[1,3],[1,0]],
[[0,2],[1,3],[2,0]],
[[0,3],[2,2],[0,0]],
[[1,0],[2,2],[2,1]],
[[1,1],[2,2],[2,1]],
[[1,1],[2,2],[0,0]],
[[1,1],[2,1],[0,1]],
[[0,2],[2,1],[0,1]],
[[2,0],[1,2],[2,3]],
[[0,0],[0,3],[2,3]],
[[1,3],[2,0],[2,3]],
[[2,3],[0,0],[1,2]],
[[1,2],[2,0],[0,1]],
[[0,0],[1,2],[1,1]],
[[0,1],[1,2],[1,1]],
[[0,2],[2,0],[0,1]],
]
for(p=[1,1],i=38;i--;)p=[...p,p[l=p.length-1]+p[l-1]]
phi = p[l]/p[l-1]
a = [
[-phi,-1,0],
[phi,-1,0],
[phi,1,0],
[-phi,1,0],
]
for(j=3;j--;ret=[...ret, b])for(b=[],i=4;i--;) b = [...b, [a[i][j],a[i][(j+1)%3],a[i][(j+2)%3]]]
ret.map(v=>{
v.map(q=>{
q[0]*=size/2.25
q[1]*=size/2.25
q[2]*=size/2.25
})
})
cp = JSON.parse(JSON.stringify(ret))
out=[]
a = []
B.map(v=>{
idx1a = v[0][0]
idx2a = v[1][0]
idx3a = v[2][0]
idx1b = v[0][1]
idx2b = v[1][1]
idx3b = v[2][1]
a = [...a, [cp[idx1a][idx1b],cp[idx2a][idx2b],cp[idx3a][idx3b]]]
})
out = [...out, ...a]
return out
}
stroke = (scol, fcol, lwo=1, od=true) => {
if(scol){
x.closePath()
if(od) x.globalAlpha = .2
x.strokeStyle = scol
x.lineWidth = Math.min(100,100*lwo/Z)
if(od) x.stroke()
x.lineWidth /= 4
x.globalAlpha = 1
x.stroke()
}
if(fcol){
x.fillStyle = fcol
x.fill()
}
}
subbed = (subs, size, sphereize, shape) => {
for(let m=subs; m--;){
base = shape
shape = []
base.map(v=>{
l = 0
X1 = v[l][0]
Y1 = v[l][1]
Z1 = v[l][2]
l = 1
X2 = v[l][0]
Y2 = v[l][1]
Z2 = v[l][2]
l = 2
X3 = v[l][0]
Y3 = v[l][1]
Z3 = v[l][2]
if(v.length > 3){
l = 3
X4 = v[l][0]
Y4 = v[l][1]
Z4 = v[l][2]
if(v.length > 4){
l = 4
X5 = v[l][0]
Y5 = v[l][1]
Z5 = v[l][2]
}
}
mx1 = (X1+X2)/2
my1 = (Y1+Y2)/2
mz1 = (Z1+Z2)/2
mx2 = (X2+X3)/2
my2 = (Y2+Y3)/2
mz2 = (Z2+Z3)/2
a = []
switch(v.length){
case 3:
mx3 = (X3+X1)/2
my3 = (Y3+Y1)/2
mz3 = (Z3+Z1)/2
X = X1, Y = Y1, Z = Z1, a = [...a, [X,Y,Z]]
X = mx1, Y = my1, Z = mz1, a = [...a, [X,Y,Z]]
X = mx3, Y = my3, Z = mz3, a = [...a, [X,Y,Z]]
shape = [...shape, a]
a = []
X = mx1, Y = my1, Z = mz1, a = [...a, [X,Y,Z]]
X = X2, Y = Y2, Z = Z2, a = [...a, [X,Y,Z]]
X = mx2, Y = my2, Z = mz2, a = [...a, [X,Y,Z]]
shape = [...shape, a]
a = []
X = mx3, Y = my3, Z = mz3, a = [...a, [X,Y,Z]]
X = mx2, Y = my2, Z = mz2, a = [...a, [X,Y,Z]]
X = X3, Y = Y3, Z = Z3, a = [...a, [X,Y,Z]]
shape = [...shape, a]
a = []
X = mx1, Y = my1, Z = mz1, a = [...a, [X,Y,Z]]
X = mx2, Y = my2, Z = mz2, a = [...a, [X,Y,Z]]
X = mx3, Y = my3, Z = mz3, a = [...a, [X,Y,Z]]
shape = [...shape, a]
break
case 4:
mx3 = (X3+X4)/2
my3 = (Y3+Y4)/2
mz3 = (Z3+Z4)/2
mx4 = (X4+X1)/2
my4 = (Y4+Y1)/2
mz4 = (Z4+Z1)/2
cx = (X1+X2+X3+X4)/4
cy = (Y1+Y2+Y3+Y4)/4
cz = (Z1+Z2+Z3+Z4)/4
X = X1, Y = Y1, Z = Z1, a = [...a, [X,Y,Z]]
X = mx1, Y = my1, Z = mz1, a = [...a, [X,Y,Z]]
X = cx, Y = cy, Z = cz, a = [...a, [X,Y,Z]]
X = mx4, Y = my4, Z = mz4, a = [...a, [X,Y,Z]]
shape = [...shape, a]
a = []
X = mx1, Y = my1, Z = mz1, a = [...a, [X,Y,Z]]
X = X2, Y = Y2, Z = Z2, a = [...a, [X,Y,Z]]
X = mx2, Y = my2, Z = mz2, a = [...a, [X,Y,Z]]
X = cx, Y = cy, Z = cz, a = [...a, [X,Y,Z]]
shape = [...shape, a]
a = []
X = cx, Y = cy, Z = cz, a = [...a, [X,Y,Z]]
X = mx2, Y = my2, Z = mz2, a = [...a, [X,Y,Z]]
X = X3, Y = Y3, Z = Z3, a = [...a, [X,Y,Z]]
X = mx3, Y = my3, Z = mz3, a = [...a, [X,Y,Z]]
shape = [...shape, a]
a = []
X = mx4, Y = my4, Z = mz4, a = [...a, [X,Y,Z]]
X = cx, Y = cy, Z = cz, a = [...a, [X,Y,Z]]
X = mx3, Y = my3, Z = mz3, a = [...a, [X,Y,Z]]
X = X4, Y = Y4, Z = Z4, a = [...a, [X,Y,Z]]
shape = [...shape, a]
break
case 5:
cx = (X1+X2+X3+X4+X5)/5
cy = (Y1+Y2+Y3+Y4+Y5)/5
cz = (Z1+Z2+Z3+Z4+Z5)/5
mx3 = (X3+X4)/2
my3 = (Y3+Y4)/2
mz3 = (Z3+Z4)/2
mx4 = (X4+X5)/2
my4 = (Y4+Y5)/2
mz4 = (Z4+Z5)/2
mx5 = (X5+X1)/2
my5 = (Y5+Y1)/2
mz5 = (Z5+Z1)/2
X = X1, Y = Y1, Z = Z1, a = [...a, [X,Y,Z]]
X = X2, Y = Y2, Z = Z2, a = [...a, [X,Y,Z]]
X = cx, Y = cy, Z = cz, a = [...a, [X,Y,Z]]
shape = [...shape, a]
a = []
X = X2, Y = Y2, Z = Z2, a = [...a, [X,Y,Z]]
X = X3, Y = Y3, Z = Z3, a = [...a, [X,Y,Z]]
X = cx, Y = cy, Z = cz, a = [...a, [X,Y,Z]]
shape = [...shape, a]
a = []
X = X3, Y = Y3, Z = Z3, a = [...a, [X,Y,Z]]
X = X4, Y = Y4, Z = Z4, a = [...a, [X,Y,Z]]
X = cx, Y = cy, Z = cz, a = [...a, [X,Y,Z]]
shape = [...shape, a]
a = []
X = X4, Y = Y4, Z = Z4, a = [...a, [X,Y,Z]]
X = X5, Y = Y5, Z = Z5, a = [...a, [X,Y,Z]]
X = cx, Y = cy, Z = cz, a = [...a, [X,Y,Z]]
shape = [...shape, a]
a = []
X = X5, Y = Y5, Z = Z5, a = [...a, [X,Y,Z]]
X = X1, Y = Y1, Z = Z1, a = [...a, [X,Y,Z]]
X = cx, Y = cy, Z = cz, a = [...a, [X,Y,Z]]
shape = [...shape, a]
a = []
break
}
})
}
if(sphereize){
ip1 = sphereize
ip2 = 1-sphereize
shape = shape.map(v=>{
v = v.map(q=>{
X = q[0]
Y = q[1]
Z = q[2]
d = Math.hypot(X,Y,Z)
X /= d
Y /= d
Z /= d
X *= size*.75*ip1 + d*ip2
Y *= size*.75*ip1 + d*ip2
Z *= size*.75*ip1 + d*ip2
return [X,Y,Z]
})
return v
})
}
return shape
}
subDividedIcosahedron = (subs, size, sphereize = 0) => subbed(subs, size, sphereize, Icosahedron(size))
subDividedTetrahedron = (subs, size, sphereize = 0) => subbed(subs, size, sphereize, Tetrahedron(size))
subDividedOctahedron = (subs, size, sphereize = 0) => subbed(subs, size, sphereize, Octahedron(size))
subDividedCube = (subs, size, sphereize = 0) => subbed(subs, size, sphereize, Cube(size))
subDividedDodecahedron = (subs, size, sphereize = 0) => subbed(subs, size, sphereize, Dodecahedron(size))
.........完整代码请登录后点击上方下载按钮下载查看
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