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Sketches with low framerate flickers on resize #4

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Ucodia opened this issue Feb 25, 2023 · 0 comments
Open

Sketches with low framerate flickers on resize #4

Ucodia opened this issue Feb 25, 2023 · 0 comments

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@Ucodia
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Ucodia commented Feb 25, 2023

Sketches which have a low framerate defined and resize the canvas when the window id resized, show some flickering behaviour.
Here is an example:

<!DOCTYPE html>
<html>
  <body>
    <div id="container"></div>
    <script type="module">
      import u5 from "https://www.unpkg.com/u5js@0.4.2/index.js";

      const example = (sketch) => {
        sketch.setup = function () {
          sketch.createCanvas(sketch.windowWidth, sketch.windowHeight);
          sketch.frameRate(25);
        };

        sketch.draw = function () {
          sketch.background("white");
          sketch.fill("black");
          sketch.noStroke();
          const d = Math.min(sketch.width, sketch.height) / 2;
          sketch.ellipse(sketch.width / 2, sketch.height / 2, d, d);
        };

        sketch.windowResized = () => {
          sketch.resizeCanvas(sketch.windowWidth, sketch.windowHeight);
        };
      };

      new u5(example, document.getElementById("container"));
    </script>
  </body>
</html>

Actual result: Canvas flickers when resized
Expected result: Canvas should not flicker when resized
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@Ucodia