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    • 5. 发明授权
    • Simulation apparatus and information storage medium
    • 仿真设备和信息存储介质
    • US6128018A
    • 2000-10-03
    • US930914
    • 1997-10-14
    • Nobutaka Nakajima
    • Nobutaka Nakajima
    • G09B9/00A63F13/00G06T13/20G06T17/00G06T19/00G06T15/00
    • G06T17/00A63F2300/64A63F2300/643A63F2300/8017
    • A simulation apparatus and an information storage medium are described which can perform collision decision for a moving object with respect to another displayed object with a reduced the amount of data and the computation load. There are included a decision region defining section (114) which defines a decision region which specifies a three-dimensional space for collision decision based on the entire shape of a target object to be collided or of a portion thereof, and a collision decision section (118) which decides whether a collision has occurred or not, based on whether or non the position of the moving object is located within the decision region. When the decision region defining section (114) defines a negative hit region which specifies a noncollision region as the decision region, and the collision decision section (118) decides that no collision has occurred if the position of the moving object is located within the negative hit region. Further, when the decision region defining section (114) defines a combination of the negative hit region and a positive hit region which specifies a collision region as the decision region, with these hit regions at least partly overlapping one another, then the collision decision section (118) decides whether a collision has occurred or not based on given rules if the position of the moving object is located within the overlapping region.
    • PCT No.PCT / JP97 / 00442 Sec。 371日期1997年10月14日第 102(e)日1997年10月14日PCT 1997年2月19日提交PCT描述了一种模拟装置和信息存储介质,其可以相对于另一显示对象执行移动对象的冲突判定,数据量减少, 计算负荷。 包括决定区域定义部分(114),其基于要冲突的目标对象的整体形状或其一部分来定义指定用于冲突判定的三维空间的判定区域,以及碰撞判定部( 118),其基于移动对象的位置是否位于决定区域内,判定是否发生了冲突。 当判定区域定义部分(114)定义指定无胶卷区域的负命中区域作为判定区域时,并且如果移动物体的位置位于否定区域内,则碰撞判定部分(118)确定没有发生冲突 击中地区。 此外,当判定区域定义部分(114)定义负命中区域和指定碰撞区域的正命中区域的组合作为判定区域时,这些命中区域至少部分地彼此重叠,则碰撞判定部分 (118)如果移动物体的位置位于重叠区域内,则基于给定的规则来确定是否已经发生冲突。