| 摘要 |
A message acquiring unit (230) acquires a message from data received by a communication unit (210), i.e., acquires a message sent from another character. A decay rate calculating unit (260) senses the gap between the player character and another character and calculates the decay rate of the message sent from another character. A message display control unit (270) displays the message sent from another character by converting a part of the message to one or more masking characters based on the decay rate. That is, the message display control unit (270) determines the number of masking characters in accordance with the decay rate calculated by the decay rate calculating unit (260) and the number of letters in the message, and appropriately selects the determined number of letters from the message and substitutes masking characters for the selected letters.
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