it('should ease on the y-axis when the skier turns from east (stationary) to east-south-east from', function () {
var skier = new Skier();
skier.setTurnEaseCycles(5);
skier.setSpeed(4);
skier.setMapPosition(10, 30);
skier.setMapPositionTarget(10, 30);
skier.getSpeedY().should.equal(0);
skier.setMapPositionTarget(450, 35);
skier.getSpeedY().should.equal(4 * (0.6 / 5));
skier.getSpeedY().should.equal(4 * (0.6 / 5) * 2);
skier.getSpeedY().should.equal(4 * (0.6 / 5) * 3);
skier.getSpeedY().should.equal(4 * (0.6 / 5) * 4);
skier.getSpeedY().should.equal(4 * 0.6);
});
it('should ease on the x-axis when the skier turns south-east', function () {
var skier = new Skier();
skier.setTurnEaseCycles(5);
skier.setSpeed(4);
skier.setMapPosition(10, 30);
skier.setMapPositionTarget(10, 30);
skier.getSpeedX().should.equal(0);
skier.setMapPositionTarget(150, 35);
skier.getSpeedX().should.equal(4 * (0.33 / 5));
skier.getSpeedX().should.equal(4 * (0.33 / 5) * 2);
skier.getSpeedX().should.equal(4 * (0.33 / 5) * 3);
skier.getSpeedX().should.equal(4 * (0.33 / 5) * 4);
skier.getSpeedX().should.equal(4 * 0.33);
});
it('should ease on the x-axis back down when the skier turns from east-south-east to south', function () {
var skier = new Skier();
skier.setTurnEaseCycles(5);
skier.setSpeed(4);
skier.setMapPosition(10, 30);
skier.setMapPositionTarget(10, 30);
skier.getSpeedX().should.equal(0);
skier.setMapPositionTarget(450, 35);
skier.getSpeedX().should.equal(4 * (0.5 / 5));
skier.getSpeedX().should.equal(4 * (0.5 / 5) * 2);
skier.getSpeedX().should.equal(4 * (0.5 / 5) * 3);
skier.getSpeedX().should.equal(4 * (0.5 / 5) * 4);
skier.getSpeedX().should.equal(4 * 0.5);
skier.setMapPositionTarget(10, 35);
skier.getSpeedX().should.equal(4 * (0.5 / 5) * 4);
});