tracking.js - Multiple Controller Example

gistfile1.js

var videoCamera = new tracking.VideoCamera().hide().render().renderVideoCanvas(),
    ctx = videoCamera.canvas.context;

var t1 = videoCamera.track({
    type: 'color',
    color: 'magenta',
    onFound: function(track) {
        var size = 60 - track.z;
        ctx.strokeStyle = "rgb(255,0,255)";
        ctx.lineWidth = 3;
        ctx.strokeRect(track.x - size*0.5, track.y - size*0.5, size, size);
    }
});

var t2 = videoCamera.track({
    type: 'color',
    color: 'cyan',
    onFound: function(track) {
        var size = 60 - track.z;
        ctx.strokeStyle = "rgb(0,255,255)";
        ctx.lineWidth = 3;
        ctx.strokeRect(track.x - size*0.5, track.y - size*0.5, size, size);
    }
});