// ------------------------------------------------------------------------
// lens-overlay.js - Returns an SVG string for the event overlay inside
// the big ScopeReticle.
//
// Rendered INSIDE the lens clip path, BELOW the glass shine/shade layers.
// cx, cy = lens centre coords; lensR = lens radius.
//
// To add a new overlay for an event: add another 'if (...)' block below
// that matches by event.emoji or event.id and returns an SVG fragment
// string. Return null when no overlay applies.
// ------------------------------------------------------------------------
export function getLensOverlaySVG(event, cx, cy, lensR) {
if (!event) return null;
const id = event.id;
if (event.emoji === '☄️') {
return [
'',
'',
'',
'',
'',
'',
'',
].join('');
}
if (id.includes('solar-eclipse')) {
const cx_ = cx, cy_ = cy - 20;
return ''
+ ''
+ ''
+ ''
+ ''
+ ''
+ '';
}
if (id.includes('lunar-eclipse')) {
const cx_ = cx, cy_ = cy - 30;
return ''
+ ''
+ ''
+ ''
+ ''
+ ''
+ '';
}
if (event.emoji === '🪐' && event.id.includes('conjunction')) {
return ''
+ ''
+ '';
}
if (event.emoji === '🔴') {
return ''
+ ''
+ '';
}
if (id === 'stargazing') {
const pts = [[cx-50,cy-55,1.8],[cx+40,cy-65,1.4],[cx-20,cy-70,1.0],[cx+65,cy-40,1.6],[cx-60,cy-30,1.2],[cx+50,cy-55,1.0],[cx-35,cy-45,1.4],[cx+20,cy-50,1.8],[cx-75,cy-50,1.0]];
const dots = pts.map(function(s){return '';}).join('');
return '' + dots + '';
}
if (id === 'perfect-sunset') {
return ''
+ ''
+ ''
+ ''
+ ''
+ '';
}
if (id === 'heat-spike') {
return ''
+ ''
+ '';
}
if (id === 'storm') {
const sl = [-55,-30,-5,20,45,65].map(function(x){
return '';
}).join('');
return '' + sl + '';
}
if (id === 'frost') {
const fc = [[-50,40],[0,55],[50,40],[-30,65],[30,65]].map(function(p){
var dx=p[0], dy=p[1];
return '';
}).join('');
return '' + fc + '';
}
return null;
}