ltadeu6/skeledance
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

fix: mantém Via Láctea colorida sob a poeira

Browse source
This commit is contained in:
vini 2026-07-19 13:25:56 -03:00
parent e59fe5a27a
commit ea74b4f6cd
1 changed files with 32 additions and 18 deletions
Download patch file Download diff file Expand all files Collapse all files

50
plugin/contents/ui/dancer.html
View file

@ -1358,31 +1358,45 @@ function mwDensity(l, b) {
const lr = l * DEG;
const riftA = 0.6 + 1.55 * Math.sin(lr * 2.1 + 0.5) + 0.55 * Math.sin(lr * 7.0);
const riftB = -2.5 + 0.85 * Math.sin(lr * 1.4 + 2.2);
const darkA = Math.exp(-0.5 * ((b - riftA) / (0.72 + 0.72 * fine)) ** 2) *
(0.66 + 0.30 * fine);
const darkB = Math.exp(-0.5 * ((b - riftB) / 0.95) ** 2) * 0.58;
density *= 1 - Math.min(0.94, (darkA + darkB) * riftReach);
const darkA = Math.exp(-0.5 * ((b - riftA) / (0.85 + 0.75 * fine)) ** 2) *
(0.58 + 0.22 * fine);
const darkB = Math.exp(-0.5 * ((b - riftB) / 1.10) ** 2) * 0.44;
/* Poeira reduz contraste, mas nunca perfura a faixa luminosa. */
density *= 1 - Math.min(0.38, (darkA + darkB) * riftReach);
density += plane * (0.045 + 0.075 * fine);
/* Saco de Carvão junto ao Cruzeiro do Sul. */
const coal = Math.exp(-0.5 * ((mwAngularDistance(l, 303) / 3.8) ** 2 +
((b + 1.5) / 2.8) ** 2));
density *= 1 - 0.84 * coal;
density *= 1 - 0.38 * coal;
return Math.max(0, density * (0.24 + 0.76 * Math.exp(-((dl / 105) ** 2))));
return Math.max(0, density * (0.36 + 0.64 * Math.exp(-((dl / 110) ** 2))));
}
function mwWriteRgb(pixels, offset, dl) {
function mwWriteRgb(pixels, offset, l, b) {
const dl = Math.min(l, 360 - l);
const t = Math.min(1, dl / 150);
const u = t < 0.5 ? t * 2 : (t - 0.5) * 2;
let r, g, bl;
if (t < 0.5) {
pixels[offset] = 255 + (226 - 255) * u;
pixels[offset + 1] = 199 + (218 - 199) * u;
pixels[offset + 2] = 145 + (239 - 145) * u;
r = 255 + (210 - 255) * u;
g = 178 + (181 - 178) * u;
bl = 112 + (246 - 112) * u;
} else {
pixels[offset] = 226 + (148 - 226) * u;
pixels[offset + 1] = 218 + (201 - 218) * u;
pixels[offset + 2] = 239 + (255 - 239) * u;
r = 210 + (105 - 210) * u;
g = 181 + (197 - 181) * u;
bl = 246 + (255 - 246) * u;
}
/* Pequena separação cromática transversal: âmbar/magenta de um lado,
azul-ciano do outro, como numa astrofoto com exposição puxada. */
const tint = 0.5 + 0.5 * Math.sin(l * DEG * 1.7 + b * DEG * 8.0 + 1.1);
const edge = Math.min(1, Math.abs(b) / 14);
r += 24 * (1 - tint) * (0.35 + edge);
g -= 12 * (1 - tint) * edge;
bl += 18 * tint * (0.35 + edge);
pixels[offset] = Math.max(0, Math.min(255, r));
pixels[offset + 1] = Math.max(0, Math.min(255, g));
pixels[offset + 2] = Math.max(0, Math.min(255, bl));
}
function renderMilkyWay(W, H, horizonPx, lst, glareOn) {
@ -1434,7 +1448,7 @@ function renderMilkyWay(W, H, horizonPx, lst, glareOn) {
const exposure = 1 - Math.exp(-density * 0.72);
const alpha = Math.min(0.46, exposure * 0.42) * ext * glare;
if (alpha < 0.002) continue;
mwWriteRgb(pixels, offset, Math.min(l, 360 - l));
mwWriteRgb(pixels, offset, l, b);
pixels[offset + 3] = alpha * 255;
}
}
@ -1465,11 +1479,11 @@ function projectSky() {
bctx.imageSmoothingQuality = 'high';
bctx.save();
bctx.globalCompositeOperation = 'lighter';
bctx.globalAlpha = 0.48;
bctx.filter = `blur(${Math.max(10, H * 0.014)}px) saturate(155%)`;
bctx.globalAlpha = 0.40;
bctx.filter = `blur(${Math.max(10, H * 0.014)}px) saturate(180%)`;
bctx.drawImage(mwLayer, 0, 0, W, horizonPx);
bctx.globalAlpha = 0.92;
bctx.filter = 'contrast(118%) saturate(128%)';
bctx.globalAlpha = 0.96;
bctx.filter = 'contrast(122%) saturate(150%)';
bctx.drawImage(mwLayer, 0, 0, W, horizonPx);
bctx.restore();