MonoSpiral.prototype.shader = function(coords, led_num, tent_coords, lantern_num)
{
var x = coords.point[0] + tent_coords.point[0];
var y = coords.point[1] + tent_coords.point[1];
var z = coords.point[2] + tent_coords.point[2];
var resolution = Pattern.resolution();
var r = new Vector([resolution[0], resolution[1]]);
var xy = new Vector([x, y]);
r.multiply(0.1);
xy.subtract(r).divide(resolution[1]);
var s = 0.0;
for (var i = 0; i < 20; i++) {
var sin = new Vector([
Math.sin(s - 3 * this.offset + 1.6),
Math.sin(s - 3 * this.offset + 0)
]);
var txy = new Vector(xy);
txy.multiply(s).add(sin);
s += txy.length - 1.5;
}
var result = new Vector([1,2,3]);//[256, 512, 768]);
result.divide(s * s).multiply(500);
result.clamp(0, 250);
var hsv = colorUtils.toHsv(result.array);
return colorUtils.hsv(hsv[0] + this.hue, hsv[1], hsv[2]);
}
HypnoRipple.prototype.shader = function(coords, led_num, tent_coords)
{
var x = coords.point[0] + tent_coords.point[0];
var y = coords.point[1] + tent_coords.point[1];
var z = coords.point[2] + tent_coords.point[2];
var normalized = Pattern.normalizeCoords(x, y, z);
var center = [0.5, 0.5];
var resolution = Pattern.resolution();
var ratio = resolution[1] / resolution[0];
var col = [normalized[0], normalized[1], 0.5 + 0.5 * Math.sin(this.offset)];
var xC = center[0] - normalized[0];
var yC = (center[1] - normalized[1]) * ratio;
var r = (xC * xC + yC * yC) * -1.0;
var zC = (0.5 + 0.5 * Math.sin((r + this.offset) / 0.1)) * 255;
return [ col[0] * zC, col[1] * zC, col[2] * zC];
}