| 摘要 |
PROBLEM TO BE SOLVED: To easily express complicated motions when plural moving images are displayed on a screen. SOLUTION: An image I1 is related to a plotting information generating part #1 to generate position coordinate from a plotting information function pf1 and a plotting information generating part #2 to generate position coordinate from a plotting information function pf2. It is moved to the right while vibrating in the up-and-down direction by combining two position coordinates in the case of reproduction. In addition, an image I2 is linearly moved to the right based on the plotting information function pf2 and an image I3 is moved along sides of a square based on a plotting information string 32. Respective plotting information generating parts 41 performs addition or deletion depending on events.
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