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85 lines
2.8 KiB
Scala
85 lines
2.8 KiB
Scala
// Kojo examples (files ending in .kojo) are licensed under The MIT License:
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// Copyright (C) 2009-2018 Lalit Pant <pant.lalit@gmail.com> and the Kojo Dev Team.
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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// Run this program to get basic control over the turtle via some buttons
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// Useful for smaller kids
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// Change these value to tweak the behavior of the buttons
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val fdStep = 50
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val fdStep2 = 10
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val rtStep = 90
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val rtStep2 = 10
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val bgColor = white
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val sBgColor = "white"
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// End tweak region
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clear()
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clearOutput()
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beamsOn()
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val width = canvasBounds.width
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val height = canvasBounds.height
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setBackground(bgColor)
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setPenColor(purple)
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def action(code: String) {
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interpret(code); println(code)
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}
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val cmd = Map(
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"forward1" -> s"forward($fdStep)",
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"forward2" -> s"forward($fdStep2)",
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"hop1" -> s"hop($fdStep)",
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"hop2" -> s"hop($fdStep2)",
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"right1" -> s"right($rtStep)",
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"right2" -> s"right($rtStep2)",
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"left1" -> s"left($rtStep)",
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"left2" -> s"left($rtStep2)"
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)
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def eraseCmds(n: Int) =
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s"saveStyle(); setPenColor($sBgColor); setPenThickness(4); back($n); restoreStyle()"
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def button(forcmd: String) = PicShape.button(cmd(forcmd)) { action(cmd(forcmd)) }
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val panel = trans(-width / 2, -height / 2) * scale(1.4) -> VPics(
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HPics(
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button("left2"),
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button("forward2"),
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button("right2"),
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button("hop2"),
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PicShape.button(s"erase($fdStep2)") { action(eraseCmds(fdStep2)) }
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),
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HPics(
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button("left1"),
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button("forward1"),
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button("right1"),
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button("hop1"),
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PicShape.button(s"erase($fdStep)") { action(eraseCmds(fdStep)) }
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)
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)
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draw(panel)
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println("// Paste the generated program below into the script editor")
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println("// and run it -- to reproduce your drawing")
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println("clear()")
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