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