ODP — destruction de l'ozone
Pouvoir destructeur de 1 kg de fluide, comparé au R11
{ODP.map((r, i) => {
const g = MOTION.draw(appear + 0.5 + i * 0.4, appear + 1.4 + i * 0.4)(T);
const nul = r.v === 0;
return (
{(r.v * g).toFixed(r.v === 0.055 ? 3 : 1).replace('.', ',')}
);
})}
ODP nul ne veut pas dire sans effet : le PRP, lui, reste élevé.
);
}
const SEGS = 46, A0 = -172, A1 = -8;
function Piece(props) {
const { T, CUES } = useComposition();
const t = props.t;
const K = CUES;
const camS = interpolate(
[0, K.Fuite, K.Destruction + 1.4, K.ODP, K.Montreal, K.Montreal + 3.4, K.Bilan + 4],
[1.0, 1.14, 1.08, 1.0, 1.10, 1.02, 1.0], Easing.easeInOutCubic);
const camX = interpolate(
[0, K.Fuite, K.Destruction + 1.4, K.ODP, K.Montreal, K.Bilan + 4],
[540, 380, 520, 540, 520, 540], Easing.easeInOutCubic); const camY = interpolate(
[0, K.Fuite, K.Destruction + 1.4, K.ODP, K.Montreal, K.Bilan + 4],
[700, 780, 640, 700, 660, 700], Easing.easeInOutCubic);
const s = camS(T), fx = camX(T), fy = camY(T);
// hole opens during Destruction, closes during Montreal
const open = MOTION.draw(K.Destruction + 0.8, K.Destruction + 5.4, 0, 22)(T);
const close = MOTION.draw(K.Montreal + 1.6, K.Montreal + 6.2, 0, 1)(T);
const half = open * (1 - close);
const burn = clamp((half / 22) * 0.55, 0, 0.55);
const leakOn = MOTION.enter(K.Fuite + 0.2, 0, 1, 0.5)(T) * (1 - MOTION.draw(K.ODP - 0.4, K.ODP)(T));
const shake = Math.sin(T * 9) * 2.4 * leakOn;
// CFC molecules rising from the unit to the band
const cfcs = [0, 0.34, 0.68].map((off, i) => {
const p = ((T - K.Fuite) / 3 + off) % 1;
const alive = T > K.Fuite && T < K.ODP - 0.3 && p > 0;
const r = RE - 10 + p * (RB - RE + 20);
const a = -104 + p * 10;
const pt = onArc(a, r);
return { ...pt, o: alive ? Math.sin(Math.PI * clamp(p, 0, 1)) : 0, k: i, l: i === 1 ? 'R12' : 'CFC' };
});
// Chlorine atoms attacking the band
const cls = [0, 0.5].map((off, i) => {
const p = ((T - K.Destruction) / 2.2 + off) % 1;
const alive = T > K.Destruction && T < K.ODP - 0.3;
const a = -122 + p * 26;
const pt = onArc(a, RB + 40 - p * 40);
return { ...pt, o: alive ? Math.sin(Math.PI * clamp(p, 0, 1)) : 0, k: i };
});
// UV rays
const uvs = [-150, -128, -106, -84, -62].map((a, i) => {
const p = ((T * 0.4) + i * 0.19) % 1;
const wave = clamp(Math.sin(Math.PI * p) * 1.7, 0, 1);
const through = Math.abs(a + 95) < Math.max(half, 0.001);
if (through) {
const r = RB + 340 - p * (RB + 340 - (RE + 30));
return { a, k: i, pt: onArc(a, r), dir: a + 180, col: C.uv, o: wave };
}
const down = p < 0.5;
const prog = down ? p / 0.5 : (1 - p) / 0.5;
const r = RB + 340 - prog * 300;
return { a, k: i, pt: onArc(a, r), dir: down ? a + 180 : a, col: down ? C.uv : '#a795e0', o: wave };
});
const stamp = MOTION.pop(K.Montreal + 0.3, 0, 1, 0.7)(T) * (1 - MOTION.draw(K.Bilan - 0.4, K.Bilan)(T));
return (
{uvs.map((u) => (
))}
{/* ozone shield, segment by segment */}
{Array.from({ length: SEGS }).map((_, i) => {
const a = A0 + (i * (A1 - A0)) / (SEGS - 1);
const p = onArc(a, RB);
const d = Math.abs(a + 95);
const gone = clamp((half - d) / 6 + 0.5, 0, 1);
const alive = 1 - clamp(gone, 0, 1);
const app = MOTION.enter(0.2 + i * 0.012, 0, 1, 0.5)(T);
return (
);
})}
{(() => {
const g = onArc(-95, RE - 30);
return (
);
})()}
{cfcs.map((m) => (
{m.l}
))}
{cls.map((m) => (
Cl
))}
{/* fact bubble during destruction */}
1 atome de chlore détruit
jusqu'à 100 000 molécules d'O₃
{/* Montréal stamp */}
PROTOCOLE DE MONTRÉAL · 1987
Retour au niveau de 1980 attendu vers 2066 au-dessus de l'Antarctique (OMM/PNUE, 2022)
{/* closing statement */}
La couche se soigne
parce qu'on a changé de fluide.
ODP réglé · le PRP, c'est maintenant
Couche d'ozone & ODP
par F. Henninot
{t.sousTitres ? (
) : null}
);
}
function OzonePiece() {
const tw = useTweaks(window.TWEAK_DEFAULTS);
const t = tw[0], setTweak = tw[1];
return (