You can check if the area of the ABC triangle is 0:
[ Ax * (By - Cy) + Bx * (Cy - Ay) + Cx * (Ay - By) ] / 2
Of course, you don't actually need to divide by 2.
You can check if the area of the ABC triangle is 0:
[ Ax * (By - Cy) + Bx * (Cy - Ay) + Cx * (Ay - By) ] / 2
Of course, you don't actually need to divide by 2.
本文标题:如何判断三个点在一条直线上
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