simple doodle animation ex / published by https://github.com/dacr/code-examples-manager #0a41d9e2-c5d8-4c18-9276-41dd071e3989/b9b1b6eaed636e92815d6dcd30b07d94b1b43eb4

vectorgraphics-doodle-example-animate-1.sc

// summary : simple doodle animation ex
// keywords : scala, vector-graphics, doodle, examples
// publish : gist
// authors : Noel Welsh, David Crosson
// license : Apache License Version 2.0 (https://www.apache.org/licenses/LICENSE-2.0.txt)
// id : 0a41d9e2-c5d8-4c18-9276-41dd071e3989
// created-on : 2024-09-28T10:52:16+02:00
// managed-by : https://github.com/dacr/code-examples-manager
// run-with : scala-cli $file

// ---------------------
//> using scala "3.5.1"
//> using dep "org.creativescala::doodle:0.26.0"
// ---------------------

import cats.effect.IO
import doodle.core.*
import doodle.syntax.*
import doodle.syntax.all.*
import doodle.interact.*
import doodle.interact.syntax.*
import doodle.interact.syntax.all.*
import doodle.java2d.*
import doodle.java2d.effect.*
import fs2.Stream
import cats.effect.unsafe.implicits.global
import scala.concurrent.duration.{FiniteDuration, MILLISECONDS}

import cats.instances.all._
import cats.syntax.all._

val frame: Frame = Frame(
  size = Size.fixedSize(600, 600),
  title = "Photos",
  center = Center.atOrigin,
  background = Some(Color.midnightBlue),
  redraw = Redraw.clearToBackground
)

val ball =
  -100.0
    .upTo(100.0)
    .map(x =>
      Picture
        .circle(30)
        .fillColor(Color.chartreuse)
        .strokeWidth(3.0)
        .at(x, 0.0)
    )
    .forSteps(100)
    .repeatForever

ball
  .animate(frame)


scala.io.StdIn.readLine("Enter to exit...") // required when run as a script