KM.define(['./core'], function(K, require){


function Transition(transition, params){
	params = Array.from(params);
	var easeIn = function(pos){
		return transition(pos, params);
	};
	return Object.append(easeIn, {
		easeIn: easeIn,
		easeOut: function(pos){
			return 1 - transition(1 - pos, params);
		},
		easeInOut: function(pos){
			return (pos <= 0.5 ? transition(2 * pos, params) : (2 - transition(2 * (1 - pos), params))) / 2;
		}
	});
};

var Easing = {
		linear: function(zero){
			return zero;
		}
	};


Easing.extend = function(transitions){
	for (var transition in transitions) Easing[transition] = new Transition(transitions[transition]);
};

Easing.extend({

	Pow: function(p, x){
		return Math.pow(p, x && x[0] || 6);
	},

	Expo: function(p){
		return Math.pow(2, 8 * (p - 1));
	},

	Circ: function(p){
		return 1 - Math.sin(Math.acos(p));
	},

	Sine: function(p){
		return 1 - Math.cos(p * Math.PI / 2);
	},

	Back: function(p, x){
		x = x && x[0] || 1.618;
		return Math.pow(p, 2) * ((x + 1) * p - x);
	},

	Bounce: function(p){
		var value;
		for (var a = 0, b = 1; 1; a += b, b /= 2){
			if (p >= (7 - 4 * a) / 11){
				value = b * b - Math.pow((11 - 6 * a - 11 * p) / 4, 2);
				break;
			}
		}
		return value;
	},

	Elastic: function(p, x){
		return Math.pow(2, 10 * --p) * Math.cos(20 * p * Math.PI * (x && x[0] || 1) / 3);
	}

});

['Quad', 'Cubic', 'Quart', 'Quint'].forEach(function(transition, i){
	Easing[transition] = new Transition(function(p){
		return Math.pow(p, i + 2);
	});
});

return Easing;

});

KM.define(['./core'], function(K, require){


function Transition(transition, params){
	params = K.makeArray(params);
	var easeIn = function(pos){
		return transition(pos, params);
	};
	return K.mix(easeIn, {
		easeIn: easeIn,
		easeOut: function(pos){
			return 1 - transition(1 - pos, params);
		},
		easeInOut: function(pos){
			return (pos <= 0.5 ? transition(2 * pos, params) : (2 - transition(2 * (1 - pos), params))) / 2;
		}
	});
};

var Easing = {
		linear: function(zero){
			return zero;
		}
	};


Easing.extend = function(transitions){
	for (var transition in transitions) Easing[transition] = new Transition(transitions[transition]);
};

Easing.extend({

	Pow: function(p, x){
		return Math.pow(p, x && x[0] || 6);
	},

	Expo: function(p){
		return Math.pow(2, 8 * (p - 1));
	},

	Circ: function(p){
		return 1 - Math.sin(Math.acos(p));
	},

	Sine: function(p){
		return 1 - Math.cos(p * Math.PI / 2);
	},

	Back: function(p, x){
		x = x && x[0] || 1.618;
		return Math.pow(p, 2) * ((x + 1) * p - x);
	},

	Bounce: function(p){
		var value;
		for (var a = 0, b = 1; 1; a += b, b /= 2){
			if (p >= (7 - 4 * a) / 11){
				value = b * b - Math.pow((11 - 6 * a - 11 * p) / 4, 2);
				break;
			}
		}
		return value;
	},

	Elastic: function(p, x){
		return Math.pow(2, 10 * --p) * Math.cos(20 * p * Math.PI * (x && x[0] || 1) / 3);
	}

});

['Quad', 'Cubic', 'Quart', 'Quint'].forEach(function(transition, i){
	Easing[transition] = new Transition(function(p){
		return Math.pow(p, i + 2);
	});
});

return Easing;

});

migrate to neuron