canvas-noise

Generate noise on a canvas.

Installation

$ component install timoxley/canvas-noise

Example

var noise = require('canvas-noise')

// This generated the 8 images above

noise(canvas1)
noise(canvas2).grayscale()
noise(canvas3).opacity(1)
noise(canvas4).opacity(1).brightness(0.5)
noise(canvas5).brightness(0.2).opacity(1)
noise(canvas6).opacity(1).saturation(1)
noise(canvas7).saturation(1)
noise(canvas8).opacity(1).brightness(0.3).grayscale()

API

Noise#opacity(opacity:Number)

Opacity of generated noise.

Number between 0 and 1.

Noise#saturation(saturation:Number)

Saturation of generated noise.

Number between 0 and 1.

Noise#brightness(brightness:Number)

Brightness of generated noise.

Number between 0 and 1.

Noise#grayscale()

Enables grayscale mode. Randomises brightness instead of hue.

Noise#color()

Enables color mode. This is the default. Use this to disable grayscale mode.

Noise#generate()

Apply noise to canvas. Called implicitly on next tick on instantiation unless called explicitly.

See animated example for more details on this.

License

MIT