}
return result;
},
+ closed_trianglefan: function(fan) {
+ return this.trianglefan(fan.concat([fan[1]]));
+ },
quadstrip: function(strip) {
if (strip.length % 2 != 0) {
alert("quadstrip length not divisble by 2!");
}
var result = [];
for (var i = 2; i < strip.length; i += 2) {
- result = result.concat(nt3d.quad(strip[i-2], strip[i-1], strip[i+1], strip[i]));
+ result = result.concat(this.quad(strip[i-2], strip[i-1], strip[i+1], strip[i]));
}
return result;
},
closed_quadstrip: function(strip) {
- return nt3d.quadstrip(strip).concat(nt3d.quad(strip[strip.length-2], strip[strip.length-1], strip[1], strip[0]));
+ return this.quadstrip(strip.concat([strip[0], strip[1]]));
},
sub: function(a, b) {
return [a[0] - b[0],