1 | /**
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2 | * Holds the current orientation of the device if the device has an accelerometer. An instance of Accelerometer is available as {@link Splat.Game#accelerometer}.
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3 | * @constructor
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4 | */
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5 | function Accelerometer() {
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6 | /**
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7 | * The angle of the device rotated around the z-axis. The z-axis is the axis coming out of the device screen. alpha represents how much the devies is spun around the center of the screen.
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8 | * @member {number}
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9 | */
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10 | this.alpha = 0;
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11 | /**
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12 | * The angle of the device rotated around the x-axis. The x-axis is horizontal across the device screen. beta represents how much the device is tilted forward or backward.
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13 | * @member {number}
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14 | */
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15 | this.beta = 0;
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16 | /**
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17 | * The angle of the device rotated around the y-axis. The y-axis is vertical across the device screen. gamma represents how much the device is turned left or right.
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18 | * @member {number}
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19 | */
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20 | this.gamma = 0;
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21 |
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22 | var self = this;
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23 | window.addEventListener("deviceorientation", function(event) {
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24 | self.alpha = event.alpha;
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25 | self.beta = event.beta;
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26 | self.gamma = event.gamma;
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27 | }, false);
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28 | }
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29 |
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30 | module.exports = Accelerometer;
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