structix/intecsync
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structix
2019-05-23 18:08:23 +02:00
parent 5480ca4ef3
commit 034e806551
1 changed files with 5 additions and 3 deletions
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8
uebung4/smiley.html
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@@ -14,11 +14,12 @@
<p id="ausgabe"></p> <p id="ausgabe"></p>
<script> <script>
let sliderval = 0; let sliderval = 0;
let canvas = document.getElementById("smileycanvas");
let smiley = canvas.getContext('2d');
function changesmiley() { function changesmiley() {
sliderval = parseInt(document.getElementById("slider").value); sliderval = parseInt(document.getElementById("slider").value);
let canvas = document.getElementById("smileycanvas");
let smiley = canvas.getContext('2d');
smiley.arc(200, 200, 190, 0, 2 * Math.PI); smiley.arc(200, 200, 190, 0, 2 * Math.PI);
smiley.fillStyle="yellow"; smiley.fillStyle="yellow";
smiley.fill(); smiley.fill();
@@ -29,6 +30,7 @@
smiley.arc(100, 130, 25 + (0.1*sliderval), 0, 2*Math.PI); smiley.arc(100, 130, 25 + (0.1*sliderval), 0, 2*Math.PI);
smiley.fillStyle="black"; smiley.fillStyle="black";
smiley.fill(); smiley.fill();
smiley.beginPath(); smiley.beginPath();
smiley.arc(270, 130, 25 + (0.1*sliderval), 0, 2*Math.PI); smiley.arc(270, 130, 25 + (0.1*sliderval), 0, 2*Math.PI);
smiley.fillStyle = "black"; smiley.fillStyle = "black";