Question

the tragedy of hamlet, prince of denmark
act ii, scene ii. (continued)
enter polonius.
polonius: well be with you, gentlemen!
hamlet: hark you, guildenstern; and you too: at each ear a hearer: that great baby you see there is not yet out of his swaddling-clouts. (275)
rosencrantz: happily hes the second time come to them; for they say an old man is twice a child.
hamlet: i will prophesy he comes to tell me of the players; mark it. you say right, sir; o monday morning; twas so indeed.
polonius: my lord, i have news to tell you.
hamlet: my lord, i have news to tell you. when roscius was an actor in rome,—
polonius: the actors are come hither, my lord. (280)
hamlet: buzz, buzz!
polonius: upon my honour,—
hamlet: then came each actor on his ass,—
polonius: the best actors in the world, either for tragedy, comedy, history, pastoral, pastoral-comical, historical-pastoral, tragical-historical, tragical-comical-historical-pastoral, scene individable, or poem unlimited: seneca cannot be too heavy, nor plautus too light. for the law of wit and the
hamlet: well ha t to-morrow night. you could, for a need, study a speech of some dozen or sixteen lines, which i would set down and insert in t, could you not?
first player: ay, my lord.
to make the first player a complex character, shakespeare would need to make him
represent a single idea.

have few emotions.

have a simple personality.

change over time.

Explanation:

In literature (a subfield of Arts), a complex character is defined by having depth, development, and change. Representing a single idea, having few emotions, or a simple personality are traits of flat or one - dimensional characters. So, to make the First Player complex, Shakespeare would need to make him change over time.

Answer:

change over time.