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@@ -1,24 +1,28 @@
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/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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-/* Point.class.cpp :+: :+: :+: */
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+/* bsp.cpp :+: :+: :+: */
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/* +:+ +:+ +:+ */
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-/* By: Bastien Chanot <chanot.bastien@gmail.com> +#+ +:+ +#+ */
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+/* By: bchanot <bchanot@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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-/* Created: 2025/07/18 19:15:01 by Bastien Chanot #+# #+# */
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-/* Updated: 2025/07/18 19:16:41 by Bastien Chanot ### ########.fr */
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+/* Created: 2025/07/18 19:15:01 by Bastien Cha #+# #+# */
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+/* Updated: 2025/12/18 13:11:51 by bchanot ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "Point.class.hpp"
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#include <iostream>
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-bool bsp(Point const a, Point const b, Point const c, Point const point) {
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+Fixed orient(Point const & a, Point const & b, Point const & p) {
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+ return (b.getX() - a.getX()) * (p.getY() - a.getY()) - (b.getY() - a.getY()) * (p.getX() - a.getX());
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+}
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+
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+bool bsp(Point const & a, Point const & b, Point const & c, Point const & point) {
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Fixed o1, o2, o3;
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- o1 = (b.getX() - a.getX()) * (point.getY() - a.getY()) - (b.getX() - a.getX()) * (point.getX() == a.getX());
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- o2 = (c.getX() - b.getX()) * (point.getY() - b.getY()) - (c.getX() - b.getX()) * (point.getX() == b.getX());
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- o3 = (a.getX() - c.getX()) * (point.getY() - c.getY()) - (a.getX() - c.getX()) * (point.getX() == c.getX());
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+ o1 = orient(a, b, point);
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+ o2 = orient(b, c, point);
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+ o3 = orient(c, a, point);
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if ((o1 > 0 && o2 > 0 && o3 > 0) || (o1 < 0 && o2 < 0 && o3 < 0))
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return true;
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