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Instrument the RGB and star display by creating a new Node to contain…
… all of the displayed parts, see #83
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| // Copyright 2019, University of Colorado Boulder | ||
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| /** | ||
| * Node that displays red, blue, and green color representations of the current blackbody temperature, as well as a star | ||
| * whose color represents the color of a star at the current blackbody temperature | ||
| * | ||
| * @author Chris Klusendorf (PhET Interactive Simulations) | ||
| * This file was created with content from BlackbodySpectrumScreenView during the phet-io instrumentation process. See | ||
| * git history in BlackbodySpectrumScreenView for the original authors. | ||
| */ | ||
| define( function( require ) { | ||
| 'use strict'; | ||
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| // modules | ||
| var Circle = require( 'SCENERY/nodes/Circle' ); | ||
| var blackbodyColorProfile = require( 'BLACKBODY_SPECTRUM/blackbody-spectrum/view/blackbodyColorProfile' ); | ||
| var BlackbodyConstants = require( 'BLACKBODY_SPECTRUM/BlackbodyConstants' ); | ||
| var blackbodySpectrum = require( 'BLACKBODY_SPECTRUM/blackbodySpectrum' ); | ||
| var inherit = require( 'PHET_CORE/inherit' ); | ||
| var Node = require( 'SCENERY/nodes/Node' ); | ||
| var Path = require( 'SCENERY/nodes/Path' ); | ||
| var StarShape = require( 'SCENERY_PHET/StarShape' ); | ||
| var Tandem = require( 'TANDEM/Tandem' ); | ||
| var Text = require( 'SCENERY/nodes/Text' ); | ||
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| // strings | ||
| var bString = require( 'string!BLACKBODY_SPECTRUM/b' ); | ||
| var gString = require( 'string!BLACKBODY_SPECTRUM/g' ); | ||
| var rString = require( 'string!BLACKBODY_SPECTRUM/r' ); | ||
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| // constants | ||
| var CIRCLE_LABEL_COLOR = blackbodyColorProfile.titlesTextProperty; | ||
| var CIRCLE_RADIUS = 15; | ||
| var STAR_INNER_RADIUS = 20; | ||
| var STAR_OUTER_RADIUS = 35; | ||
| var STAR_NUMBER_POINTS = 9; | ||
| var STAR_SPACING = 50; | ||
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| /** | ||
| * @param {BlackbodyBodyModel} mainBody | ||
| * @param {Object} [options] | ||
| * @constructor | ||
| */ | ||
| function BGRAndStarDisplay( mainBody, options ) { | ||
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| options = _.extend( { | ||
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| tandem: Tandem.required | ||
| }, options ); | ||
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| Node.call( this, options ); | ||
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| // the indicators that show how much red, blue, and green the current temperature would emit | ||
| var circleBlue = new Circle( CIRCLE_RADIUS ); | ||
| var circleGreen = new Circle( CIRCLE_RADIUS ); | ||
| var circleRed = new Circle( CIRCLE_RADIUS ); | ||
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| var circleLabelOptions = { | ||
| font: BlackbodyConstants.LABEL_FONT, fill: CIRCLE_LABEL_COLOR, maxWidth: 20 | ||
| }; | ||
| var circleBlueLabel = new Text( bString, circleLabelOptions ); | ||
| var circleGreenLabel = new Text( gString, circleLabelOptions ); | ||
| var circleRedLabel = new Text( rString, circleLabelOptions ); | ||
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| var glowingStarHalo = new Circle( 10 ); | ||
| var starPath = new Path( | ||
| new StarShape( { | ||
| outerRadius: STAR_OUTER_RADIUS, | ||
| innerRadius: STAR_INNER_RADIUS, | ||
| numberStarPoints: STAR_NUMBER_POINTS | ||
| } ), { | ||
| lineWidth: 1.5, | ||
| lineJoin: 'round', | ||
| stroke: blackbodyColorProfile.starStrokeProperty | ||
| } | ||
| ); | ||
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| circleBlue.centerX = 225; | ||
| circleBlue.centerY = STAR_SPACING; | ||
| circleGreen.centerX = circleBlue.centerX + STAR_SPACING; | ||
| circleGreen.centerY = circleBlue.centerY; | ||
| circleRed.centerX = circleGreen.centerX + STAR_SPACING; | ||
| circleRed.centerY = circleBlue.centerY; | ||
| circleBlueLabel.centerX = circleBlue.centerX; | ||
| circleBlueLabel.centerY = circleBlue.top + STAR_SPACING; | ||
| circleGreenLabel.centerX = circleGreen.centerX; | ||
| circleGreenLabel.centerY = circleBlueLabel.centerY; | ||
| circleRedLabel.centerX = circleRed.centerX; | ||
| circleRedLabel.centerY = circleBlueLabel.centerY; | ||
| starPath.left = circleRed.right + STAR_SPACING; | ||
| starPath.centerY = circleBlue.centerY; | ||
| glowingStarHalo.centerX = starPath.centerX; | ||
| glowingStarHalo.centerY = starPath.centerY; | ||
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| this.addChild( starPath ); | ||
| this.addChild( glowingStarHalo ); | ||
| this.addChild( circleBlue ); | ||
| this.addChild( circleGreen ); | ||
| this.addChild( circleRed ); | ||
| this.addChild( circleBlueLabel ); | ||
| this.addChild( circleGreenLabel ); | ||
| this.addChild( circleRedLabel ); | ||
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| // link the current temperature to the RGB and star indicators | ||
| mainBody.temperatureProperty.link( function( temperature ) { | ||
| circleBlue.fill = mainBody.blueColor; | ||
| circleGreen.fill = mainBody.greenColor; | ||
| circleRed.fill = mainBody.redColor; | ||
| glowingStarHalo.fill = mainBody.glowingStarHaloColor; | ||
| glowingStarHalo.radius = mainBody.glowingStarHaloRadius; | ||
| starPath.fill = mainBody.starColor; | ||
| } ); | ||
| } | ||
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| blackbodySpectrum.register( 'BGRAndStarDisplay', BGRAndStarDisplay ); | ||
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| return inherit( Node, BGRAndStarDisplay ); | ||
| } ); |
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