Created
July 24, 2012 17:51
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Shape generator
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{"description":"Shape generator","endpoint":"","display":"svg","public":true,"require":[],"fileconfigs":{"inlet.js":{"default":true,"vim":false,"emacs":false,"fontSize":12},"config.json":{"default":true,"vim":false,"emacs":false,"fontSize":12}},"play":false,"loop":false,"restart":false,"autoinit":true,"pause":true,"loop_type":"period","bv":false,"nclones":15,"clone_opacity":0.4,"duration":3000,"ease":"linear","dt":0.01,"fullscreen":false,"thumbnail":"http://i.imgur.com/4HLKxr4.png"} |
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var pathWay = []; | |
var back = []; | |
var joined; | |
var path = g.append('path') | |
.attr('stroke','red') | |
.attr('stroke-width','2') | |
.attr('fill',"none") | |
.attr('id','path') | |
.attr('fill-opacity','0.5') | |
.attr('class','drawit') | |
.attr('transform','scale(1)') | |
.attr('id','pathWay') | |
.attr('d','') | |
var convexHull = g.append('path') | |
.attr('stroke','red') | |
.attr('stroke-width','2') | |
.attr('fill',"black") | |
.attr('id','path') | |
.attr('fill-opacity','0.5') | |
.attr('class','drawit') | |
.attr('transform','scale(1)') | |
.attr('id','pathWay') | |
.attr('d','') | |
g.on('click',function(){ | |
var point = d3.mouse(this); | |
pathWay.push(point) | |
back.push([point[0]+100,point[1]]) | |
redraw() | |
}).on('mousedown',function(){ | |
plab = '' | |
}).on('mouseup',function(){ | |
console.log(plab) | |
}) | |
function redraw(){ | |
var curve3 = ''; | |
for(p in pathWay){ | |
var e1 = pathWay[p]; | |
var x = e1[0]; | |
var y = e1[1]; | |
if(curve3 == ''){ | |
curve3 = 'M'+x+','+y+' '; | |
}else{ | |
curve3 += 'L'+x+','+y+' ' | |
} | |
path.attr('Elements',e1) | |
} | |
for(p in back){ | |
var e1 = back[p]; | |
var x = e1[0]; | |
var y = e1[1]; | |
if(p == 0){ | |
curve3 += 'M'+x+','+y+' '; | |
}else{ | |
curve3 += 'L'+x+','+y+' ' | |
} | |
path.attr('Elements',e1) | |
} | |
path.attr('d',curve3) | |
joined = pathWay.slice().concat(back.slice()); | |
console.log('Joined Lenght',joined.length) | |
var curve2 = createConvexHull('',joined); | |
console.log(curve2,'Mam') | |
//convexHull.attr('d',curve2) | |
} | |
function createConvexHull(curve,joined){ | |
var smi; | |
var index; | |
var changed = false; | |
for(i in joined){ | |
var current = joined[i]; | |
var x = current[0]; | |
var y = current[1]; | |
if(!smi){ | |
smi = current; | |
changed = true; | |
index = i; | |
}else{ | |
if(x < smi[0]){ | |
smi = current; | |
changed = true; | |
index = i; | |
} | |
if(x == smi[0] && y < smi[1]){ | |
smi = current; | |
changed = true; | |
index = i; | |
} | |
} | |
} | |
if(changed){ | |
removeByElement(joined, smi) | |
} | |
if(smi == undefined){ | |
console.log('returned 1',curve) | |
return curve; | |
} | |
console.log(smi,joined.length,'DA',curve) | |
if(curve == '') | |
curve += 'M'+smi[0]+','+smi[1]+' ' | |
else{ | |
curve += 'L'+smi[0]+','+smi[1]+' ' | |
} | |
if(smi != undefined){ | |
return createConvexHull(curve,joined) | |
}else{ | |
console.log('returned') | |
return curve | |
} | |
} | |
function removeByElement(arrayName,arrayElement) | |
{ | |
for(var i=0; i<arrayName.length;i++ ) | |
{ | |
if(arrayName[i]==arrayElement) | |
arrayName.splice(i,1); | |
} | |
} |
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