VoxelWright MC Terrain #1

function placeTree(x, y, z, height, array)
{
    var leavesColor = 0x1C9C3E;
    for (var i = 0; i < height; i++)
    {
        array.push([x,y,z+i,0x825E41]);
    }

    for (var xx = -2; xx < 3; xx++)
        for (var yy = -2; yy < 3; yy++)
            for (var zz = 0; zz < 2; zz++)
                array.push([x + xx, y +yy, z + height + zz, leavesColor]);

    for (var xx = -1; xx < 2; xx++)
        for (var yy = -1; yy < 2; yy++)
            for (var zz = 0; zz < 2; zz++)
            {
                if (zz == 1)
                {
                    if (!((xx == -1 && yy == -1) || (xx == 1 && yy == -1) || (xx == -1 && yy == 1) || (xx == 1 && yy == 1)))
                       array.push([x + xx, y + yy, z + height + 2 + zz, leavesColor]);
                }
                else
                    array.push([x + xx, y + yy, z + height + 2 + zz, leavesColor]);
            }
}

function getColor(x, y)
{
    return Math.round(80 + 100 * colorPerlin.noise(x/colorSmoothness,y/colorSmoothness,5)) << 8;
}

var b=[];
var size = 258;
var height = 5;
var waveHeight = 10;

var terrainPerlin = new Perlin('A seed!');
var terrainSmoothness = 30;
var colorPerlin = new Perlin('Another seed!');
var colorSmoothness = 60;

for(var x = 0; x < size; x++)
{
    for(var y = 0; y < size ; y++)
    {
        for(var z = 0; z < height + waveHeight + 1; z++)
        {
            var h = height + Math.round(waveHeight * terrainPerlin.noise(x/terrainSmoothness,y/terrainSmoothness,5));
            if (z < h)
            {
                b.push([x,y,z,0x777777]);
            }
            else if (z < h + 1)
            {
                var color = getColor(x, y);
                b.push([x,y,z,color]);
                if (Math.random() < 0.001)
                {
                    placeTree(x, y, z, 3 + Math.round(Math.random() * 3), b);
                }
            }
        }
    }
}
gProject.putBlocks(b);
gEditor.requestRender();