double fnc(double x, double y, double z) {
return la0(x, y, z) * la1(x, y, z) * la2(x, y, z) * la3(x, y, z) * ph0 * ph0 * ph0;
}
bool hitboxCollision(int a_x,int a_y,int a_width,int a_height,float a_angle,
int b_x,int b_y,int b_width,int b_height,float b_angle)
{
Point pa1(a_x,
a_y);
Point pa2(a_x + cos (a_angle*PI/180) * a_width
,a_y - sin (a_angle*PI/180) * a_width);
Point pa3(a_x + cos (a_angle*PI/180) * a_width + sin (a_angle*PI/180) * a_height,
a_y - sin (a_angle*PI/180) * a_width + cos (a_angle*PI/180) * a_height);
Point pa4(a_x + sin (a_angle*PI/180) * a_height,
a_y + cos (a_angle*PI/180) * a_height);
Point pb1(b_x,
b_y);
Point pb2(b_x + cos (b_angle*PI/180) * b_width
,b_y - sin (b_angle*PI/180) * b_width);
Point pb3(b_x + cos (b_angle*PI/180) * b_width + sin (b_angle*PI/180) * b_height,
b_y - sin (b_angle*PI/180) * b_width + cos (b_angle*PI/180) * b_height);
Point pb4(b_x + sin (b_angle*PI/180) * b_height,
b_y + cos (b_angle*PI/180) * b_height);
Line la1(pa1,pa2);
Line la2(pa2,pa3);
Line la3(pa3,pa4);
Line la4(pa4,pa1);
Line lb1(pb1,pb2);
Line lb2(pb2,pb3);
Line lb3(pb3,pb4);
Line lb4(pb4,pb1);
if(segmentIntersection(la1,lb1))
return true;
if(segmentIntersection(la1,lb2))
return true;
if(segmentIntersection(la1,lb3))
return true;
if(segmentIntersection(la1,lb4))
return true;
if(segmentIntersection(la2,lb1))
return true;
if(segmentIntersection(la2,lb2))
return true;
if(segmentIntersection(la2,lb3))
return true;
if(segmentIntersection(la2,lb4))
return true;
if(segmentIntersection(la3,lb1))
return true;
if(segmentIntersection(la3,lb2))
return true;
if(segmentIntersection(la3,lb3))
return true;
if(segmentIntersection(la3,lb4))
return true;
if(segmentIntersection(la4,lb1))
return true;
if(segmentIntersection(la4,lb2))
return true;
if(segmentIntersection(la4,lb3))
return true;
if(segmentIntersection(la4,lb4))
return true;
return false;
/*
vector<Point*>intersections;
intersections.push_back(lineIntersection(la1,lb1));
intersections.push_back(lineIntersection(la1,lb2));
intersections.push_back(lineIntersection(la1,lb3));
intersections.push_back(lineIntersection(la1,lb4));
intersections.push_back(lineIntersection(la2,lb1));
intersections.push_back(lineIntersection(la2,lb2));
intersections.push_back(lineIntersection(la2,lb3));
intersections.push_back(lineIntersection(la2,lb4));
intersections.push_back(lineIntersection(la3,lb1));
intersections.push_back(lineIntersection(la3,lb2));
intersections.push_back(lineIntersection(la3,lb3));
intersections.push_back(lineIntersection(la3,lb4));
intersections.push_back(lineIntersection(la4,lb1));
intersections.push_back(lineIntersection(la4,lb2));
intersections.push_back(lineIntersection(la4,lb3));
intersections.push_back(lineIntersection(la4,lb4));
int x_min=0;int x_max=0;
int y_max=0;int y_min=0;
if(a_width*a_height>b_width*b_height)
{
x_min = pa1.x;
x_min=min(x_min,pa2.x);
x_min=min(x_min,pa3.x);
x_min=min(x_min,pa4.x);
x_max = pa1.x;
x_max=max(x_max,pa2.x);
x_max=max(x_max,pa3.x);
x_max=max(x_max,pa4.x);
y_min = pa1.y;
y_min=min(y_min,pa2.y);
y_min=min(y_min,pa3.y);
y_min=min(y_min,pa4.y);
y_max = pa1.y;
y_max=max(y_max,pa2.y);
y_max=max(y_max,pa3.y);
y_max=max(y_max,pa4.y);
}else
{
x_min = pb1.x;
x_min=min(x_min,pb2.x);
x_min=min(x_min,pb3.x);
x_min=min(x_min,pb4.x);
x_max = pb1.x;
x_max=max(x_max,pb2.x);
x_max=max(x_max,pb3.x);
x_max=max(x_max,pb4.x);
y_min = pb1.y;
y_min=min(y_min,pb2.y);
y_min=min(y_min,pb3.y);
y_min=min(y_min,pb4.y);
y_max = pb1.y;
y_max=max(y_max,pb2.y);
y_max=max(y_max,pb3.y);
y_max=max(y_max,pb4.y);
}
int cont=0;
for(int i=0;i<(int)intersections.size();i++)
{
Point* point=intersections[i];
if(point!=NULL)
{
if(point->x > x_min
&& point->x < x_max
&& point->y > y_min
&& point->y < y_max)
{
cont++;
}
}
}
vector<Point*>::iterator i;
for ( i = intersections.begin() ; i < intersections.end(); i++ )
{
delete * i;
}
if(cont>=8)
return true;
*/
return false;
}
