#include #include #include #include #include #define ms 43//console width using namespace std; constexpr double cos30 = 0.86602540378; constexpr double sin30 = 0.5; constexpr char paints[] ="!/$%@"; struct Point2d{ const double x,y; }; struct Segment{ const Point2d A,B; const double m,c; Segment(Point2d a,Point2d b): A((a.xs2.B.x) return false; const double y=s2.m*x+s2.c; if(ymax(s1.A.y,s1.B.y)) return false; return true; } if(s2.m==INFINITY||s2.m==-INFINITY){ const double x=s2.A.x; if(xs1.B.x) return false; const double y=s1.m*x+s1.c; if(ymax(s2.A.y,s2.B.y)) return false; return true; } const double x=(s2.c-s1.c)/(s1.m-s2.m); if(xs1.B.x||x>s2.B.x) return false; const double y=s1.m*x+s1.c; if(ymax({s1.A.y,s1.B.y,s2.A.y,s2.B.y})) return false; return true; } struct Point{ double x,y,z; Point(double x,double y,double z):x(x),y(y),z(z){} }; struct Cube{ vectorpoints; vectorfrontface; vectorsideface; double height; vectorbottomface; Cube(double height,double size,double x,double y,double z):height(height){ double left=x-size/2, right=x+size/2, top=y+size/2, bottom=y-size/2-height*size, front=z-size/2, back=z+size/2; frontface={{left,bottom,front}, {left,top,front}, {right,top,front}, {right,bottom,front}}; sideface={{right,bottom,front}, {right,top,front}, {right,top,back}, {right,bottom,back}}; bottomface={{left,bottom,front}, {left,bottom,back}, {right,bottom,back}, {right,bottom,front}}; } }; inline double projectionX(const Point & p){ return p.x*cos30+p.z*cos30; } inline double projectionY(const Point & p){ return p.y+p.x*sin30-p.z*sin30; } void cubes(){ vector>matrix(ms*2,vector(ms,' ')); const int n=rand()%3+2;//n×n pillars cout<cubes=[&cs,&offset,&n](){ vectorbuilder; for(int row=n-1;row>=0;row--){ for(int col=0;col>faces{c.frontface, c.sideface, c.bottomface}; int paint=0; for(const auto& f:faces){ const vectorsegments=[&f](){ vectorbuilder; const int fs=f.size(); for(int i=0;i

3D Isometric 2D Raycasting