- Category:
- Algorithm
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-
- File Size:
- 17kb
- Update:
- 2015-09-16
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- Uploaded by:
- machang
Description: Parameters:
p1～p4：直线上不相同的两点
P1 ~ P4: two points in a straight line.
*p：通过指针返回结果
*p: the result is returned by the pointer.
返回值：1：两直线相交；2：两直线平行
Return value: 1: two straight line two: 2
如需要判断两线段交点，检验k 和对应k 1（注释中）的值是否在0～1 之间，用在0～1
If you need to judge the intersection of two line segments, test K and the value of the corresponding K 1 (notes) is between 1 to 0, with the 0 to 1
之间的那个求交点
Between the intersection
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