| 摘要 |
When there is an instruction for rotation during a game in a first field, a CPU core of a game apparatus obtains central coordinates in a second field after the rotation and coordinates (central coordinates) of a player object and BG object in steps S 53 and S 55 . Then, the CPU core executes a rotation process in a hardware calculation circuit, for example, in steps S 57 to S 61 . When detecting end of the rotation in a step S 63 , the CPU core executes a map switch process in a step S 65 . In the map switch process, the CPU core generates a second field according to second area data. Then, after generating the second field, the CPU core makes a hit determination according to the second area data in a step S 7 , for example.
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