add css transition and animation

Sascha Schulz

2023-11-21 2f6d1e445182eee0891932f9d4942862ad0a3378

 index.html

@@ -3298,6 +3298,122 @@
                     </code>
                  </pre>
               </section>
               <section>
                  <h3>Transform</h3>
                  <ul>
                     <li>rein optisch, d.h. "physische" Größe bleibt erhalten</li>
                     <li>eine Art "Shader" auf Grafikebene</li>
                     <li>Effekte wie Drehung, Vergrößerung, Verschiebung usw.</li>
                  </ul>
               </section>
               <section>
                  <h3>Syntax</h3>
                  <pre>
                     <code class="css" data-trim data-line-numbers>
                        .foo {
                           transform: translateX(20px) translateY(20px);
                           transform-origin: left;
                        }
                     </code>
                  </pre>
               </section>
               <section>
                  <h3>Mögliche Effekte</h3>
                  <ul>
                     <li>translate</li>
                     <li>rotate</li>
                     <li>scale</li>
                     <li>scew</li>
                  </ul>
                  <p>Die meisten besitzen zusätzlich spezifischere X-, Y- oder 3D-Versionen</p>
               </section>
               <section>
                  <h3>Aufgabe</h3>
                  <p>Probiere die genannten Transform-Effekte in einer beliebigen Seite aus</p>
               </section>
               <section>
                  <h3>Transition</h3>
                  <ul>
                     <li>Elemente können "weich" verändert werden</li>
                     <li>Mögliche Attribute, deren Änderungen animiert werden können sind z.B. <code>width</code>, <code>height</code>, <code>transform</code>, <code>color</code> und viele weitere</li>
                     <li>Das Attribut <code>display</code> lässt sich jedoch nicht animieren</li>
                  </ul>
               </section>
               <section>
                  <h3>Syntax</h3>
                  <pre>
                     <code class="css" data-trim data-line-numbers>
                        .foo {
                           width: 100%;
                           background-color: red;
                           /* transition: [Attribut] [Dauer] [Zeitfunktion] */
                           transition: width 1s ease-out;
                        }
					
                        .foo:hover {
                           width: 50%;
                        }
                     </code>
                  </pre>
               </section>
               <section>
                  <h3>Beispiel</h3>
                  <iframe data-src="/assets/html/css-transition.html"></iframe>
               </section>
               <section>
                  <h3>Animation</h3>
                  <ul>
                     <li>Es können zusätzlich eigene Animationen entworfen werden</li>
                     <li>Definition per <code>Keyframes</code></li>
                  </ul>
               </section>
               <section>
                  <h3>Syntax</h3>
                  <pre>
                     <code class="css" data-trim data-line-numbers>
                        .foo {
                          animation-duration: 3s;
                          animation-name: slidein;
                        }
								
                        @keyframes slidein {
                          from {
                           margin-left: 100%;
                           width: 300%;
                          }
								
                          to {
                           margin-left: 0%;
                           width: 100%;
                          }
                        }
                     </code>
                  </pre>
               </section>
               <section>
                  <h3>Alternative Syntax</h3>
                  <pre>
                     <code class="css" data-trim data-line-numbers>
                        .foo {
                          /* ... */
                        }
								
                        @keyframes slidein {
                          1% {
                           margin-left: 100%;
                          }
								
                          100% {
                           margin-left: 0%;
                          }
                        }
                     </code>
                  </pre>
               </section>
               <section>
                  <h3>Beispiel</h3>
                  <iframe data-src="/assets/html/css-animation.html"></iframe>
               </section>
            </section>
         </div>
      </div>