42 lines
1.1 KiB
JavaScript
42 lines
1.1 KiB
JavaScript
var Drone = require('../drone').Drone;
|
|
var blocks = require('blocks');
|
|
|
|
/************************************************************************
|
|
## Drone.rainbow() method
|
|
|
|
Creates a Rainbow.
|
|
|
|
### Parameters
|
|
|
|
* radius (optional - default:18) - The radius of the rainbow
|
|
|
|
### Example
|
|
|
|
var d = new Drone();
|
|
d.rainbow(30);
|
|
|
|
![rainbow example](img/rainbowex1.png)
|
|
|
|
***/
|
|
Drone.extend('rainbow', function(radius){
|
|
if (typeof radius == "undefined")
|
|
radius = 18;
|
|
|
|
this.chkpt('rainbow');
|
|
this.down(radius);
|
|
// copy blocks.rainbow and add air at end (to compensate for strokewidth)
|
|
var colors = blocks.rainbow.slice(0);
|
|
colors.push(blocks.air);
|
|
for (var i = 0;i < colors.length; i++) {
|
|
var bm = this._getBlockIdAndMeta(colors[i]);
|
|
this.arc({
|
|
blockType: bm[0],
|
|
meta: bm[1],
|
|
radius: radius-i,
|
|
strokeWidth: 2,
|
|
quadrants: {topright: true,
|
|
topleft: true},
|
|
orientation: 'vertical'}).right().up();
|
|
}
|
|
return this.move('rainbow');
|
|
});
|