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WIP, bug with position:relative vs. position: absolute which is not an animatable property and glitches in one direction for the back button.

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Suzanne Soy 2021-04-12 04:00:18 +01:00
parent 8a9445aca7
commit 10a52675d4
2 changed files with 114 additions and 79 deletions
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12
index.html
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@ -33,17 +33,17 @@
<div class="rest"></div>
<div tabindex="0" class="three-d room hover room-test">
<div class="three-d object test" id="hello">Hello world
<a class="go" href="#hello">→ hello</a>
<a class="go" href="#hello">hello</a>
<div class="scene">
<div class="rest"></div>
<div tabindex="0" class="three-d room hover room-test">
<div class="three-d object test" id="turtles">It's turtles all the way down!
<a class="go" href="#turtles">→ turtles</a>
<a class="go" href="#turtles">turtles</a>
<div class="scene">
<div class="rest"></div>
<div tabindex="0" class="three-d room hover room-test">
<div class="three-d object test" id="table.js">
<a class="go" href="#table.js">→ table editor</a>
<a class="go" href="#table.js">table editor</a>
<iframe
style="width:100%; height:90%;"
src="table.js"></iframe>
@ -51,7 +51,7 @@
</div>
<div tabindex="0" class="three-d room hover room-test2">
<div class="three-d object test2" id="css-only-virtual-world">
<a class="go" href="#css-only-virtual-world">→ useful tip</a>
<a class="go" href="#css-only-virtual-world">useful tip</a>
Don't use CSS to do this.</div>
</div>
<div class="three-d room">
@ -67,7 +67,7 @@
</div>
<div tabindex="0" class="three-d room hover room-test2">
<div class="three-d object test2" id="nested-rooms">
<a class="go" href="#nested-rooms">→ nested-rooms</a>
<a class="go" href="#nested-rooms">nested-rooms</a>
Nested rooms!
</div>
</div>
@ -84,7 +84,7 @@
</div>
<div tabindex="0" class="three-d room hover room-test2">
<div class="three-d object test2" id="mental-palace">Mental palace
<a class="go" href="#mental-palace">→ mental-palace</a>
<a class="go" href="#mental-palace">mental-palace</a>
<div class="scene">
<div tabindex="0" class="three-d room hover room-test">
<div class="three-d object test" id="mental-palace-2001">

181
test.css
View File

@ -130,47 +130,65 @@ html, body { height: 100%; }
hsl(360, var(--rainbow-saturation), var(--rainbow-lightness)) 100%)
}
.go { background: rgba(255, 255, 255, 0.6); color: black; text-decoration: none; z-index: 100; font-size: calc(130% / var(--scale));
outline: thin solid white;
position: absolute; top: 0; bottom: 0; left:0; right: 0; display: flex; align-items: center; justify-content: center;
transition: background 6s, translate 20s, left step-start 10s; transform-style: preserve-3d; }
.go::before { position: fixed; content: 'before'; left: 0; right: 0; height: 1.5em; z-index: -1;
background: blueviolet; transition: background 2s;
top: 50%; }
.go:hover::before { background: rgba(255, 255, 255, 0.6); }
/* text in the center of a square filling its parent, semi-transparent white background with an opaque white band below the text. */
.go {
background: rgba(255, 255, 255, 0.6); color: black; text-decoration: none; outline: thin solid white;
/*mask-image: linear-gradient(rgba(0, 0, 0, 0.6) calc(50% - 0.75em), black calc(50% - 0.75em), black calc(50% + 0.75em), rgba(0, 0, 0, 0.6) calc(50% + 0.75em));*/
display: flex; align-items: center; justify-content: center; font-size: calc(130% / var(--scale)); transform-style: preserve-3d;
position: absolute; top: 0; left: 0; min-width: max-content; width: 100%; min-height: 1.5em; height: 100%; z-index: 100;
/*transition: background 2s, width 1s step-start, height 1s step-start; */
transition: var(--transition-to-forward);
}
/* semi-transparent on hover */
.go:hover { background: rgba(255, 255, 255, 0.1); }
:target-within > .go { background: rgba(255, 255, 255, 0); color: rgba(0, 0, 0, 0); left: 9999vmin; transition: background 6s, translate 2s, left step-end 10s; }
.target-within > .go { background: rgba(255, 255, 255, 0); color: rgba(0, 0, 0, 0); left: 9999vmin; transition: background 6s, translate 2s, left step-end 10s; }
:target-within > .go::before { opacity: 0.6; background: rgba(255, 255, 255, 0); color: rgba(0, 0, 0, 0); left: 9999vmin; }
.target-within:target > .go::before {
/*transition: background 0.6s linear, transform linear 1s, top 1s step-end, left 1s step-end, opacity 0.6s linear;*/
transition: all step-end 10s, background 5s linear 5s, color 5s linear 5s, border 5s linear 5s, opacity 5s linear 5s, top 5s linear 5s;
background: red; color: black; border: thin solid black;
top: 0; left: -9999vmin; right: unset;
position: fixed; width: auto; height: auto;
content: '← back (:target)' attr(href);
opacity: 0.4;
/*padding: 0;mask-image: none;*/
}
:target-within > .go::after { --distance: calc(0 - var(--width)) !important; left: 9999vmin; transition: background 6s var(--ease-out-bounce), transform 10s var(--ease-out-bounce), left 10s step-end, opacity 10s step-end; }
.target-within > .go::after { --distance: calc(0 - var(--width)) !important; left: 9999vmin; transition: background 6s var(--ease-out-bounce), transform 10s var(--ease-out-bounce), left 10s step-end, opacity 10s step-end; }
.target-within:not(:target) > .go::before {
transition: background 6s, transform 10s linear 10s, left 10s step-end, opacity 10s;
background: red; color: black; border: thin solid black;
top: 0; left: -9999vmin; right: auto;
position: fixed; width: auto; height: auto;
content: '← back (:not:taget)' attr(href);
opacity: 0.8;
/*padding: 0;mask-image: none;*/
}
@keyframes anim {
0% { opacity: 0.4; }
100% { opacity: 0.9; }
}
/** { transition: all 2s step-end 1000s !important; }*/
.target-within:not(:target) > .go { /*font-size: 1%;*/ width: 0; height: 0; border: none; background: none; color: transparent; outline: none; }
.go:hover::after { --distance: calc(var(--min-distance) + var(--shift)); background-position-x: 25%; /* don't go to 100% because the easing goes beyond the value */ }
/* White band behind text */
:not(.target-within) > .go::before,
:target > .go::before {
background: white; color: white; opacity: 1;
position: fixed; z-index: -1; left: 0; top: calc(50% - 0.75em); width: 100%; min-width: auto; height: auto; line-height: 1.5em;
color: transparent; /* hide the "← back to …" text */ /* todo: width 0 */
transition: var(--transition-to-forward);
}
/* white band semi-transparent on hover */
:not(.target-within) > .go:hover::before { background: rgba(255, 255, 255, 0.6); }
/* link is displayed in top left corner when the link goes out of the current room */
.target-within:not(:target) > .go {
border: thin solid black; background: white; color: black; outline: thin solid rgba(255,255,255,0);
width: 0%; height: 0%; font-size: 1rem;
/*transition: background 2s, width 1s step-start, height 1s step-start;*/
transition: var(--transition-to-back);
}
.go {
--transition-to-forward: background 2s linear, color 2s linear, border 2s linear, outline 2s linear, opacity 2s linear, width 1s step-start, height 1s step-start;
--transition-to-current: background 2s linear, color 2s linear, border 2s linear, outline 2s linear, opacity 2s linear, width 2s linear 1s, height 2s step-end;
--transition-to-back: background 2s linear, color 2s linear, border 2s linear, outline 2s linear, opacity 2s linear, width 1s step-start, height 1s step-start;
}
/* ← back to … when the link goes out of the current room. To be able to animate it, the content is always there, and the colour changes. */
.target-within:not(:target) > .go::before { color: black; transition: var(--transition-to-back); }
.go::before { content: '← back to '; }
/* debug */
:target > .go::before { transition: var(--transition-to-current); }
:target > .go::before { background: purple; }
/* disable the link when it points to the current room */
/*:target > .go { background: rgba(255,0,0,0.1); color: rgba(0,0,0,0.1); border: thin solid rgba(0,0,255,1); outline-color: rgba(0,255,0,0.1); pointer-events: none; transition: var(--transition-to-current); }*/
:target > .go { background: transparent; color: transparent; border: thin solid transparent; outline-color: transparent; pointer-events: none; transition: var(--transition-to-current); }
/* animate colourful arrow and disable it when the target is in a nested room */
:target-within > .go::after { --distance: calc(0 - var(--width)) !important; pointer-events: none; transition: background 6s var(--ease-out-bounce), transform 10s var(--ease-out-bounce), left 10s step-end, opacity 10s step-end; }
.target-within > .go::after { --distance: calc(0 - var(--width)) !important; pointer-events: none; transition: background 6s var(--ease-out-bounce), transform 10s var(--ease-out-bounce), left 10s step-end, opacity 10s step-end; }
/* animate position and gradient of colourful arrow on hover */
.go:hover::after { --distance: calc(var(--min-distance) + var(--shift)); background-position-x: 25%; /* leave 25% for bounce easing */ }
/* draw colourful arrow */
.go::after {
--width: 10; /* vmin */
--shift: 8; /* vmin */
@ -185,21 +203,12 @@ html, body { height: 100%; }
transform: translate3d(-50%, -50%, var(--z)) rotateY(45deg);
--arrow-thickness: 20%;
--arrowhead-position: 60%;
--arrowhead-angle: 51.34deg; /*38.66deg;*/
--arrowhead-angle: 51.34deg;
--bg: rgba(214, 93, 184, 0.5);
/*
background: linear-gradient(var(--arrowhead-angle), var(--bg) 50%, transparent 50%) 60em 0em / calc(100em - 60em) 50em no-repeat,
linear-gradient(calc(0deg - var(--arrowhead-angle)), transparent 50%, var(--bg) 50%) 60em 50em / calc(100em - 60em) 50em no-repeat,
linear-gradient( 0deg, transparent calc(50% - var(--arrow-thickness)),
var(--bg) calc(50% - var(--arrow-thickness)),
var(--bg) calc(50% + var(--arrow-thickness)),
transparent calc(50% + var(--arrow-thickness))) 0em 0em / 60em 100em no-repeat;
*/
border-right: calc(var(--border) * 1vmin) solid transparent;
background-image: linear-gradient(90deg, rgba(102, 231, 231, 0.856) 25%, rgba(255,255,255,0.8) 50%, rgba(214, 93, 184, 0.7) 75%);
background-size: 400%;
background-position-x: 75%; /* don't go to 100% because the easing goes beyond the value */
background-position-x: 75%; /* leave 25% for bounce easing */
background-repeat: no-repeat;
--vertical-triangle: calc(var(--arrowhead-position) * var(--arrow-width-ratio));
--arrow-top: calc(50% - var(--arrow-thickness));
@ -207,35 +216,61 @@ html, body { height: 100%; }
--mask-image: conic-gradient(from calc(-90deg - var(--arrowhead-angle)) at calc(100% * var(--arrow-width-ratio)) center, black 0deg, black calc(var(--arrowhead-angle)*2), transparent calc(var(--arrowhead-angle)*2)),
linear-gradient(90deg, transparent var(--vertical-triangle), black var(--vertical-triangle)),
linear-gradient(0deg, transparent var(--arrow-top), black var(--arrow-top), black var(--arrow-bottom), transparent var(--arrow-bottom));
/* --mask-image: conic-gradient(from calc(-90deg - var(--arrowhead-angle)) at calc(100% * var(--arrow-width-ratio)) center, black 0deg, black calc(var(--arrowhead-angle)*2), transparent calc(var(--arrowhead-angle)*2)),
linear-gradient(90deg, transparent var(--vertical-triangle), black 28%),
linear-gradient(0deg, transparent var(--arrow-top), black var(--arrow-top), black var(--arrow-bottom), transparent var(--arrow-bottom);*/
mask-image: var(--mask-image);
-webkit-mask-image: var(--mask-image);
mask-composite: intersect, add;
-webkit-mask-composite: destination-in, source-over;
/*
font-size: 1px;
height: 100em;
width: 100em;
clip-path: polygon(0% calc(50% - var(--arrow-thickness)),
var(--arrowhead-position) calc(50% - var(--arrow-thickness)),
var(--arrowhead-position) 0%,
100% 50%,
var(--arrowhead-position) 100%,
var(--arrowhead-position) calc(50% + var(--arrow-thickness)),
0% calc(50% + var(--arrow-thickness)));
pointer-events: all;
*/
}
.rest { position: absolute; top: 0; left: 0; bottom: 0; right: 0;}
.comment.target-within:target > .go::before {
/*transition: background 0.6s linear, transform linear 1s, top 1s step-end, left 1s step-end, opacity 0.6s linear;*/
content: '← back (:target)' attr(href);
background: red; color: black; border: thin solid black;
top: 0;
opacity: 0;
transition: /*all step-end 10s,*/
background 5s linear 5s,
color 5s linear 5s,
border 5s linear 5s,
opacity 1s linear 1s,
top 5s linear 5s,
width 5s linear 5s,
min-height step-end 5s; /* delay needed to keep the band the same height as it disappears */;
min-width: max-content; width: 0%;
min-height: 0;
z-index: 1;
/*height: auto;position: fixed; padding: 0;mask-image: none; right: unset; width: auto; left: -9999vmin; */
}
.comment.target-within:not(:target) > .go::before {
/*transition: background 6s, transform 10s linear 10s, left 10s step-end, opacity 10s;*/
background: /*green*/ transparent; color: black; border: /*thin solid black*/ none;
top: 0;
/*position: fixed; width: auto;*/ height: auto;
content: '← back to ';
opacity: 0.8;
transition: /*all step-end 10s,*/
background 5s linear 5s,
color 5s linear 5s,
border 5s linear 5s,
opacity 1s linear 1s,
top 5s linear 5s,
width 5s linear 5s,
height 5s linear 5s;
min-width: max-content; width: 0%;
min-height: 0;
z-index: 1;
/*left: -9999vmin;right: auto; padding: 0;mask-image: none;*/
display: inline-block;
position: relative;
font-size: 1rem;
}
.rest { display: none; }
.hover-anim .rest { position: absolute; top: 0; left: 0; bottom: 0; right: 0; }
.scene:target-within:not(:target) > .room.room-test:not(:target-within) { transform: var(--origin) var(--test2-hover) var(--test2-) var(--origin-); }
.scene.target-within:not(:target) > .room.room-test:not(.target-within) { transform: var(--origin) var(--test2-hover) var(--test2-) var(--origin-); }
.scene:target-within:not(:target) > .room:not(:target-within) .test { opacity: 0; left: 999px; transition: translate 20s, opacity 10s, left step-end 10s; }