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spooky.js

Available Effects

Film Grain

Based on original code from Szenia Zadvornykh.

var fg = new Spooky.FilmGrain(options);
fg.execute();
fg.stop();

Takes optional options configuration object:

patternSize: dimensions of the repeating grain pattern (64)
alpha: transparency of the effect from 0-255 (25)
grainScale: x and y scale of each grain ({x: 3, y: 1})
refreshInterval: how often to redraw the effect
canvasId: optional id of an existing canvas to apply the effect to

If no existing canvasId is provided then the effect will be applied to the entire browser screen.