{"version":3,"names":["LivelyBall","__SystemJSRewritingHack","_export","setters","_reactiveJsx","_addSourceLocation","addSourceLocation","_srcComponentsWidgetsLivelyMorphJs","Morph","default","_srcClientGraphicsJs","pt","execute","_recorder_","_src_components_demo_lively_ball_js","Object","defineProperty","get","set","thisIsVererySecretVariableName","enumerable","configurable","initialize","a","v","b","s","step","path","simulate","t","render","p","lively","getExtent","parentElement","y","setPosition","x","lastTime","startTime","push","isInBody","time","Date","now","window","requestAnimationFrame","livelyExample","parent","container","document","createElement","file","end","column","line","start","style","position","backgroundColor","setExtent","ball","create","components","openIn","appendChild","div","id","livelyMigrate","other"],"sources":["lively-ball.js"],"sourcesContent":["import Morph from 'src/components/widgets/lively-morph.js';\nimport {pt} from 'src/client/graphics.js'\n\n\nexport default class LivelyBall extends Morph {\n \n async initialize() {\n this.a = this.a || -1\n this.v = this.b || 0\n this.s = this.s || 300\n this.step()\n this.path = this.path || []\n }\n \n simulate(t) {\n this.v = this.v + this.a * t\n this.s = this.s + this.v * t\n if (this.s < 0) {\n this.s = 0\n this.v = this.v * -0.9;\n } \n }\n \n\n render(t) {\n // console.log(\"A\")\n var p = pt(20, lively.getExtent(this.parentElement).y - this.s - lively.getExtent(this).y)\n lively.setPosition(this, p) \n p.x = (this.lastTime - this.startTime) * 0.01 \n this.path.push(p)\n }\n \n step() {\n if (!lively.isInBody(this)) return;\n // console.log(\"B\")\n var time = Date.now()\n if (this.lastTime) {\n var t = (time - this.lastTime) * 0.01\n this.simulate(t)\n this.render()\n } else {\n this.startTime = time \n }\n window.requestAnimationFrame(() => this.step()); 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