51 lines
1.1 KiB
JavaScript
51 lines
1.1 KiB
JavaScript
'use strict';
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/*global require*/
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var Drone = require('drone'),
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blocks = require('blocks');
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/************************************************************************
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### Drone.rainbow() method
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Creates a Rainbow.
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#### Parameters
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* radius (optional - default:18) - The radius of the rainbow
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#### Example
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var d = new Drone();
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d.rainbow(30);
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***/
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function rainbow( radius ) {
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var i,
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colors,
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bm;
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if ( typeof radius == "undefined" ) {
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radius = 18;
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}
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this.chkpt('rainbow');
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this.down(radius);
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// copy blocks.rainbow and add air at end (to compensate for strokewidth)
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colors = blocks.rainbow.slice(0);
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colors.push(blocks.air);
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for ( i = 0; i < colors.length; i++ ) {
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bm = this.getBlockIdAndMeta( colors[i] );
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this.arc({
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blockType: bm[0],
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meta: bm[1],
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radius: radius-i,
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strokeWidth: 2,
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quadrants: {topright: true,
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topleft: true},
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orientation: 'vertical'}).right().up();
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}
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return this.move('rainbow');
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}
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Drone.extend(rainbow);
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