C++ (Cpp) Vec2D::getRotated示例

示例#1

文件： Polygon2D.cpp 项目： Jornason/ofxToxiclibs

toxi::geom::Polygon2D::Polygon2D( const Vec2D & baseA, const Vec2D & baseB, const int & res )
{
	double theta = -(toxi::math::MathUtils::PI - (toxi::math::MathUtils::PI * (res - 2) / res));
	Vec2D dir = baseB.sub( baseA);
	Vec2D prev = baseB;
	add( baseA );
	add( baseB );
	for (int i = 1; i < res - 1; i++) {
		Vec2D p = prev.add(dir.getRotated(theta * i));
		add(p);
		prev = p;
	}
}