返回 html-video
decision_tree.html
1 <template id="decision-tree-template">
2 <div data-composition-id="decision-tree" data-width="1920" data-height="1080" data-duration="12">
3 <div class="canvas">
4 <svg class="connectors" width="1920" height="1080" viewBox="0 0 1920 1080">
5 <!-- Level 1 to 2 -->
6 <path
7 id="path-1-L"
8 class="connector"
9 d="M 960 130 L 960 200 L 600 200 L 600 270"
10 fill="none"
11 stroke="#333"
12 stroke-width="4"
13 />
14 <path
15 id="path-1-R"
16 class="connector"
17 d="M 960 130 L 960 200 L 1320 200 L 1320 270"
18 fill="none"
19 stroke="#333"
20 stroke-width="4"
21 />
22
23 <!-- Level 2 to 3 (Left side) -->
24 <path
25 id="path-2-LL"
26 class="connector"
27 d="M 600 330 L 600 400 L 400 400 L 400 470"
28 fill="none"
29 stroke="#333"
30 stroke-width="4"
31 />
32 <path
33 id="path-2-LR"
34 class="connector"
35 d="M 600 330 L 600 400 L 800 400 L 800 470"
36 fill="none"
37 stroke="#333"
38 stroke-width="4"
39 />
40
41 <!-- Level 2 to 3 (Right side) -->
42 <path
43 id="path-2-RL"
44 class="connector"
45 d="M 1320 330 L 1320 400 L 1120 400 L 1120 470"
46 fill="none"
47 stroke="#333"
48 stroke-width="4"
49 />
50 <path
51 id="path-2-RR"
52 class="connector"
53 d="M 1320 330 L 1320 400 L 1520 400 L 1520 470"
54 fill="none"
55 stroke="#333"
56 stroke-width="4"
57 />
58 </svg>
59
60 <div id="label-yes" class="connector-label">Yes</div>
61 <div id="label-not-sure" class="connector-label">Not sure</div>
62
63 <!-- Level 1 -->
64 <div id="node-root" class="node sticky yellow" style="left: 960px; top: 100px">
65 Should I learn to code?
66 </div>
67
68 <!-- Level 2 -->
69 <div id="node-yes" class="node sticky green" style="left: 600px; top: 300px">Yes</div>
70 <div id="node-not-sure" class="node sticky peach" style="left: 1320px; top: 300px">
71 Not sure
72 </div>
73
74 <!-- Level 3 -->
75 <div id="node-python" class="node sticky lavender" style="left: 400px; top: 500px">
76 <div style="position: relative; display: inline-block">
77 <span id="python-text">Start with Pythom</span>
78 <svg class="squiggle-container" width="64" height="6" viewBox="0 0 64 6">
79 <path
80 id="squiggle"
81 d="M 0 3 Q 2 0 4 3 T 8 3 T 12 3 T 16 3 T 20 3 T 24 3 T 28 3 T 32 3 T 36 3 T 40 3 T 44 3 T 48 3 T 52 3 T 56 3 T 60 3 T 64 3"
82 fill="none"
83 stroke="#E53935"
84 stroke-width="2"
85 />
86 </svg>
87 </div>
88 </div>
89 <div id="node-nocode" class="node sticky blue" style="left: 800px; top: 500px">
90 Try no-code first
91 </div>
92 <div id="node-website" class="node sticky pink" style="left: 1120px; top: 500px">
93 Build a personal website
94 </div>
95 <div id="node-course" class="node sticky yellow" style="left: 1520px; top: 500px">
96 Take a free intro course
97 </div>
98
99 <!-- Cursor -->
100 <div id="cursor" class="cursor-container">
101 <svg width="24" height="24" viewBox="0 0 24 24" fill="none">
102 <path
103 d="M5.65376 12.3673H5.46026L5.31717 12.4976L0.500002 16.8829L0.500002 1.19841L11.7841 12.3673H5.65376Z"
104 fill="white"
105 stroke="black"
106 />
107 </svg>
108 <div class="cursor-tag">You</div>
109 </div>
110
111 <!-- Emoji -->
112 <div id="emoji-thumb" class="emoji">👍</div>
113
114 <!-- Overlay -->
115 <div id="fade-overlay"></div>
116 </div>
117
118 <style>
119 [data-composition-id="decision-tree"] {
120 width: 1920px;
121 height: 1080px;
122 background-color: #ffffff;
123 background-image: radial-gradient(#e5e5e5 1px, transparent 1px);
124 background-size: 20px 20px;
125 position: absolute;
126 overflow: hidden;
127 font-family: "Inter", sans-serif;
128 }
129
130 [data-composition-id="decision-tree"] .canvas {
131 width: 100%;
132 height: 100%;
133 position: absolute;
134 transform: scale(1.2);
135 transform-origin: 960px 300px;
136 }
137
138 [data-composition-id="decision-tree"] .node {
139 position: absolute;
140 transform: translate(-50%, -50%) scale(0);
141 padding: 16px 24px;
142 border-radius: 12px;
143 font-size: 18px;
144 font-weight: 500;
145 color: #333;
146 box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
147 white-space: nowrap;
148 display: flex;
149 flex-direction: column;
150 align-items: center;
151 justify-content: center;
152 z-index: 10;
153 }
154
155 [data-composition-id="decision-tree"] .node.yellow {
156 background-color: #e8d44d;
157 }
158 [data-composition-id="decision-tree"] .node.green {
159 background-color: #c2e8a0;
160 }
161 [data-composition-id="decision-tree"] .node.peach {
162 background-color: #f5c5a3;
163 }
164 [data-composition-id="decision-tree"] .node.lavender {
165 background-color: #d4c5f9;
166 }
167 [data-composition-id="decision-tree"] .node.blue {
168 background-color: #a8d8f0;
169 }
170 [data-composition-id="decision-tree"] .node.pink {
171 background-color: #f8b4c8;
172 }
173
174 [data-composition-id="decision-tree"] .connectors {
175 position: absolute;
176 top: 0;
177 left: 0;
178 z-index: 5;
179 pointer-events: none;
180 }
181
182 [data-composition-id="decision-tree"] .connector {
183 stroke-dasharray: 1000;
184 stroke-dashoffset: 1000;
185 }
186
187 [data-composition-id="decision-tree"] .connector-label {
188 position: absolute;
189 font-size: 14px;
190 font-weight: 600;
191 color: #333;
192 background: white;
193 padding: 2px 6px;
194 border-radius: 4px;
195 opacity: 0;
196 z-index: 6;
197 transform: translate(-50%, -50%);
198 }
199
200 #label-yes {
201 left: 780px;
202 top: 230px;
203 }
204 #label-not-sure {
205 left: 1140px;
206 top: 230px;
207 }
208
209 [data-composition-id="decision-tree"] .cursor-container {
210 position: absolute;
211 left: 1920px;
212 top: 1080px;
213 z-index: 100;
214 pointer-events: none;
215 display: flex;
216 align-items: flex-start;
217 }
218
219 [data-composition-id="decision-tree"] .cursor-tag {
220 background-color: #9747ff;
221 color: white;
222 padding: 2px 8px;
223 border-radius: 4px;
224 font-size: 12px;
225 font-weight: 600;
226 margin-left: 4px;
227 margin-top: 12px;
228 }
229
230 [data-composition-id="decision-tree"] .squiggle-container {
231 position: absolute;
232 right: 0;
233 bottom: -4px;
234 opacity: 0;
235 }
236
237 [data-composition-id="decision-tree"] .emoji {
238 position: absolute;
239 font-size: 32px;
240 left: 510px;
241 top: 500px;
242 transform: translate(-50%, -50%) scale(0);
243 z-index: 20;
244 }
245
246 [data-composition-id="decision-tree"] #fade-overlay {
247 position: absolute;
248 top: 0;
249 left: 0;
250 width: 100%;
251 height: 100%;
252 background-color: white;
253 opacity: 0;
254 z-index: 1000;
255 pointer-events: none;
256 }
257
258 .selection-border {
259 position: absolute;
260 top: -4px;
261 left: -4px;
262 right: -4px;
263 bottom: -4px;
264 border: 2px solid #0b84f3;
265 border-radius: 16px;
266 pointer-events: none;
267 opacity: 0;
268 }
269
270 .text-highlight {
271 background-color: #d0e4ff;
272 }
273 </style>
274
275 <script src="https://cdn.jsdelivr.net/npm/gsap@3.14.2/dist/gsap.min.js"></script>
276 <script>
277 (function () {
278 const tl = gsap.timeline({ paused: true });
279
280 // 1. Root node scales from 0→100% over 0.4s
281 tl.to("#node-root", { scale: 1, duration: 0.4, ease: "power2.out" });
282
283 // 2. Hold 0.6s
284 tl.addLabel("hold1", "+=0.6");
285
286 // 3. Two elbow connectors draw downward-left and downward-right simultaneously (0.5s)
287 tl.to(
288 ".connector#path-1-L, .connector#path-1-R",
289 {
290 strokeDashoffset: 0,
291 duration: 0.5,
292 ease: "none",
293 },
294 "hold1",
295 );
296
297 // Labels fade in at midpoint
298 tl.to(
299 "#label-yes, #label-not-sure",
300 {
301 opacity: 1,
302 duration: 0.2,
303 },
304 "hold1+=0.25",
305 );
306
307 // 4. Level 2 nodes scale in at endpoints with 0.2s stagger
308 tl.to("#node-yes", { scale: 1, duration: 0.4, ease: "back.out(1.7)" }, "hold1+=0.4");
309 tl.to("#node-not-sure", { scale: 1, duration: 0.4, ease: "back.out(1.7)" }, "hold1+=0.6");
310
311 // 5. Hold 0.5s
312 tl.addLabel("hold2", "+=0.5");
313
314 // 6. Four connectors draw down from level 2 (0.4s)
315 tl.to(
316 ".connector#path-2-LL, .connector#path-2-LR, .connector#path-2-RL, .connector#path-2-RR",
317 {
318 strokeDashoffset: 0,
319 duration: 0.4,
320 ease: "none",
321 },
322 "hold2",
323 );
324
325 // 7. Four leaf nodes scale in with 0.15s stagger
326 const leafNodes = ["#node-python", "#node-nocode", "#node-website", "#node-course"];
327 leafNodes.forEach((id, i) => {
328 tl.to(id, { scale: 1, duration: 0.4, ease: "back.out(1.7)" }, `hold2+=${0.3 + i * 0.15}`);
329 });
330
331 // Red wavy underline appears with text
332 tl.to(".squiggle-container", { opacity: 1, duration: 0.1 }, "hold2+=0.3");
333
334 // 8. Hold 0.8s
335 tl.addLabel("hold3", "+=0.8");
336
337 // 9. Cursor drifts in from bottom-right (1s) to lavender sticky
338 tl.to(
339 "#cursor",
340 {
341 left: 450,
342 top: 540,
343 duration: 1,
344 ease: "power1.inOut",
345 },
346 "hold3",
347 );
348
349 // 10. Cursor clicks. Selection border appears.
350 tl.add(() => {
351 const node = document.querySelector("#node-python");
352 if (!node) return;
353 if (!node.querySelector(".selection-border")) {
354 const border = document.createElement("div");
355 border.className = "selection-border";
356 node.appendChild(border);
357 }
358 gsap.set(".selection-border", { opacity: 1 });
359 }, "hold3+=1");
360
361 // Visual click feedback
362 tl.to(
363 "#cursor",
364 { scale: 0.8, duration: 0.05, yoyo: true, repeat: 1, overwrite: "auto" },
365 "hold3+=1",
366 );
367
368 // 11. Hold 0.3s
369 tl.addLabel("hold4", "+=0.3");
370
371 // 12. Cursor double-clicks "Pythom" — highlight in blue
372 tl.to(
373 "#cursor",
374 { scale: 0.8, duration: 0.05, yoyo: true, repeat: 3, overwrite: "auto" },
375 "hold4",
376 );
377 tl.add(() => {
378 const textEl = document.querySelector("#python-text");
379 if (!textEl) return;
380 textEl.innerHTML = 'Start with <span class="text-highlight">Pythom</span>';
381 }, "hold4+=0.1");
382
383 // 13. Hold 0.2s
384 tl.addLabel("hold5", "+=0.2");
385
386 // 14. Highlighted text deletes and "Python" types in (fast)
387 // Squiggle disappears when last char lands
388 const typingStart = tl.labels["hold5"];
389 const words = ["P", "Py", "Pyt", "Pyth", "Pytho", "Python"];
390 words.forEach((word, i) => {
391 tl.add(
392 () => {
393 const el = document.querySelector("#python-text");
394 if (el) el.innerHTML = `Start with <span class="text-highlight">${word}</span>`;
395 },
396 typingStart + i * 0.05,
397 );
398 });
399
400 // Remove highlight and squiggle at the end of typing
401 const typingEnd = typingStart + words.length * 0.05;
402 tl.add(() => {
403 const pyEl = document.querySelector("#python-text");
404 if (pyEl) pyEl.innerHTML = "Start with Python";
405 gsap.set(".squiggle-container", { opacity: 0 });
406 }, typingEnd);
407
408 // 15. Hold 0.5s
409 tl.addLabel("hold6", typingEnd + 0.5);
410
411 // 16. Cursor moves slightly and clicks away to deselect
412 tl.to("#cursor", { left: 500, top: 580, duration: 0.3, overwrite: "auto" }, "hold6");
413 tl.to(
414 "#cursor",
415 { scale: 0.8, duration: 0.05, yoyo: true, repeat: 1, overwrite: "auto" },
416 "hold6+=0.3",
417 );
418 tl.to(".selection-border", { opacity: 0, duration: 0.1 }, "hold6+=0.3");
419
420 // 17. 👍 emoji pops in
421 tl.to("#emoji-thumb", { scale: 1, duration: 0.15, ease: "back.out(2)" }, "hold6+=0.4");
422
423 // 18. Hold 2s
424 tl.addLabel("hold7", "+=2");
425
426 // 19. Fade entire screen to white over 0.5s
427 tl.to("#fade-overlay", { opacity: 1, duration: 0.5 }, "hold7");
428
429 window.__timelines = window.__timelines || {};
430 window.__timelines["decision-tree"] = tl;
431 })();
432 </script>
433 </div>
434 </template>
435
435 lines HTML