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target detection

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Sara Julie
Sara Julie 2011년 3월 17일
Do anyone know how to draw a circle whose radius and center points are given. Then i need to check whether other given positions lies inside the circle?

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답변 (1개)

Jan
Jan 2011년 3월 17일
Do you want to check this by looking on the plotted diagram? A more reliable test is calculating the distance between the position and the center of the circle: If the position is smaller than the radius, the point is inside the circle.
If you really want to draw a circle, look at this FEX submission: draw-a-circle

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