Three.js を使用して 3D オブジェクトに色を付ける関数があります。私の変数j
は存在します。使用するalert(j)
と機能しますが、変数を配列 (カラーマップ) のインデックスとして使用すると機能しません。
colormap=[[0,0,0.5625],[0,0,0.625],[0,0,0.6875],[0,0,0.75],[0,0,0.8125],[0,0,0.875],[0,0,0.9375],[0,0,1],[0,0.0625,1],[0,0.125,1],[0,0.1875,1],[0,0.25,1],[0,0.3125,1],[0,0.375,1],[0,0.4375,1],[0,0.5,1],[0,0.5625,1],[0,0.625,1],[0,0.6875,1],[0,0.75,1],[0,0.8125,1],[0,0.875,1],[0,0.9375,1],[0,1,1],[0.0625,1,0.9375],[0.125,1,0.875],[0.1875,1,0.8125],[0.25,1,0.75],[0.3125,1,0.6875],[0.375,1,0.625],[0.4375,1,0.5625],[0.5,1,0.5],[0.5625,1,0.4375],[0.625,1,0.375],[0.6875,1,0.3125],[0.75,1,0.25],[0.8125,1,0.1875],[0.875,1,0.125],[0.9375,1,0.0625],[1,1,0],[1,0.9375,0],[1,0.875,0],[1,0.8125,0],[1,0.75,0],[1,0.6875,0],[1,0.625,0],[1,0.5625,0],[1,0.5,0],[1,0.4375,0],[1,0.375,0],[1,0.3125,0],[1,0.25,0],[1,0.1875,0],[1,0.125,0],[1,0.0625,0],[1,0,0],[0.9375,0,0],[0.875,0,0],[0.8125,0,0],[0.75,0,0],[0.6875,0,0],[0.625,0,0],[0.5625,0,0],[0.5,0,0]];
j = 0;// indice colore nella matrice
var callbackMale = function ( geometry, materials )
{
// surf contain surface
var cmin=surf.min(), cmax=surf.max(), colorLength=colormap.length;
for ( var i = 0, l = geometry.vertices.length; i < l; i ++ )
{
var face = geometry.faces[ i ];
j = Math.round(((surf[i]-cmin)/(cmax-cmin)*colorLength));
if(j < 0)
j=0;
else if( j >= colorLength)
j=colorLength;
alert(j)
var ind = colormap[j]; // j undefined
for(var k = 0 ; k < 3 ; k++)
{
face.vertexColors[ k ] = new THREE.Color().setRGB(ind[0],ind[1],ind[2]);
}//fine for interno
}//fine for esterno
}