auto_fill_jewel/auto_fill_jewel_v3/BoostGeometryTools.cpp

//
//  BoostGeometryTools.cpp
//  auto_fill_jewel_v3
//
//  Created by Red on 2024/11/26.
//

#include "BoostGeometryTools.hpp"
#define BOOSTGEOMETRYTOOLS_BOX_PT_CNT 5
bool BoostGeometryTools::isAIntersectsB(BoostGeometryTools::BoostPolygon& polyA, BoostGeometryTools::BoostPolygon& polyB)
{
    return boost::geometry::intersects(polyA, polyB) ;
}
bool BoostGeometryTools::isAWithinB(BoostGeometryTools::BoostPolygon& polyA, BoostGeometryTools::BoostPolygon& polyB)
{
    return boost::geometry::within(polyA,polyB) ;
}

BoostGeometryTools::BoostPolygon BoostGeometryTools::makeBox( float lowerLeftX,float lowerLeftY,float wid,float hei )
{
    float xarr[BOOSTGEOMETRYTOOLS_BOX_PT_CNT] = { lowerLeftX, lowerLeftX+wid, lowerLeftX+wid , lowerLeftX , lowerLeftX } ;
    float yarr[BOOSTGEOMETRYTOOLS_BOX_PT_CNT] = { lowerLeftY , lowerLeftY   , lowerLeftY+hei , lowerLeftY+hei , lowerLeftY } ;
    BoostPolygon poly ;
    for(int ip = 0 ; ip < BOOSTGEOMETRYTOOLS_BOX_PT_CNT;++ip ) {
        poly.outer().push_back( {xarr[ip],yarr[ip]} ) ;
    }
    return poly ;
}

BoostGeometryTools::BoostPolygon BoostGeometryTools::makeRotatedBox( float lowerLeftX,float lowerLeftY,float wid,float hei,float rotdeg)
{
    const float DEG2RAD = 3.141592/180.0;
    float rad = DEG2RAD*rotdeg ;
    float xarr[BOOSTGEOMETRYTOOLS_BOX_PT_CNT] = { lowerLeftX, lowerLeftX+wid, lowerLeftX+wid , lowerLeftX , lowerLeftX } ;
    float yarr[BOOSTGEOMETRYTOOLS_BOX_PT_CNT] = { lowerLeftY , lowerLeftY   , lowerLeftY+hei , lowerLeftY+hei , lowerLeftY } ;
    BoostPolygon poly ;
    for(int ip = 0 ; ip < BOOSTGEOMETRYTOOLS_BOX_PT_CNT;++ip ) {
        float x1 = 0 ;
        float y1 = 0 ;
        rotatePoint(xarr[ip], yarr[ip], rad, x1, y1) ;
        poly.outer().push_back( {x1,y1} ) ;
    }
    return poly ;
}


void BoostGeometryTools::rotatePoint( float x0, float y0, float rotRad, float& x1,float& y1) {
    float cosval = cosf(rotRad) ;
    float sinval = sinf(rotRad) ;
    x1 = x0*cosval - y0*sinval ;
    y1 = x0*sinval + y0*cosval ;
}

BoostGeometryTools::BoostPolygon BoostGeometryTools::makeRotateNTranslateBox( float lowerLeftX,float lowerLeftY,float wid,float hei,float rotdeg,float dx,float dy)
{
    const float DEG2RAD = 3.141592/180.0;
    float rad = DEG2RAD*rotdeg ;
    float xarr[BOOSTGEOMETRYTOOLS_BOX_PT_CNT] = { lowerLeftX, lowerLeftX+wid, lowerLeftX+wid , lowerLeftX , lowerLeftX } ;
    float yarr[BOOSTGEOMETRYTOOLS_BOX_PT_CNT] = { lowerLeftY , lowerLeftY   , lowerLeftY+hei , lowerLeftY+hei , lowerLeftY } ;
    BoostPolygon poly ;
    for(int ip = 0 ; ip < BOOSTGEOMETRYTOOLS_BOX_PT_CNT;++ip ) {
        float x1 = 0 ;
        float y1 = 0 ;
        rotatePoint(xarr[ip], yarr[ip], rad, x1, y1) ;
        poly.outer().push_back( {x1+dx,y1+dy} ) ;
    }
    return poly ;
}

BoostGeometryTools::BoostPolygon BoostGeometryTools::translatePolygon(BoostGeometryTools::BoostPolygon& poly,float dx,float dy)
{
    BoostPolygon newPoly = poly ;
    for(auto it = newPoly.outer().begin(); it!=newPoly.outer().end();++it ) {
        it->set<0>( it->get<0>() + dx ) ;
        it->set<1>( it->get<1>() + dy ) ;
    }
    return newPoly ;
}

BoostGeometryTools::BoostPolygon BoostGeometryTools::convex_hull(BoostGeometryTools::BoostPolygon& poly)
{
    BoostGeometryTools::BoostPolygon hull ;
    boost::geometry::convex_hull(poly, hull) ;
    return hull ;
}

bool BoostGeometryTools::pointIntersetsBox(BoostGeometryTools::BoostPoint& ptA,BoostGeometryTools::BoostPolygon& polyB)
{
    return boost::geometry::intersects(ptA,polyB) ;
}