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IlyaShurupov 2023-10-22 17:07:28 +03:00 • committed by Ilya Shurupov
parent b4ae5dde77
commit 91fb72bd49
928 changed files with 14515 additions and 21479 deletions
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67
Math/public/Intersections.hpp
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@ -1,34 +1,33 @@
#pragma once
#include "Vec.hpp"
namespace tp {
template <typename Type>
bool intersectLines2D(const Vec2<Type>& p1, const Vec2<Type>& p2, const Vec2<Type>& v1, const Vec2<Type>& v2, Vec2<Type>* out) {
auto a1 = p2.x - p1.x;
auto a2 = p2.y - p1.y;
auto b1 = v2.x - v1.x;
auto b2 = v2.y - v1.y;
auto c1 = v1.x - p1.x;
auto c2 = v1.y - p1.y;
auto det = a2 * b1 - a1 * b2;
auto t1 = ( -b2 * c1 + b1 * c2 ) / det;
auto t2 = ( -a2 * c1 + a1 * c2 ) / det;
if (t1 >= 0 && t1 <= 1 && t2 >= 0 && t2 <= 1) {
if (out != nullptr) {
out->x = p1.x + (a1 * t1);
out->y = p1.y + (a2 * t1);
}
return true;
}
return false;
}
}
#pragma once
#include "Vec.hpp"
namespace tp {
template <typename Type>
bool intersectLines2D(const Vec2<Type>& p1, const Vec2<Type>& p2, const Vec2<Type>& v1, const Vec2<Type>& v2, Vec2<Type>* out) {
auto a1 = p2.x - p1.x;
auto a2 = p2.y - p1.y;
auto b1 = v2.x - v1.x;
auto b2 = v2.y - v1.y;
auto c1 = v1.x - p1.x;
auto c2 = v1.y - p1.y;
auto det = a2 * b1 - a1 * b2;
auto t1 = (-b2 * c1 + b1 * c2) / det;
auto t2 = (-a2 * c1 + a1 * c2) / det;
if (t1 >= 0 && t1 <= 1 && t2 >= 0 && t2 <= 1) {
if (out != nullptr) {
out->x = p1.x + (a1 * t1);
out->y = p1.y + (a2 * t1);
}
return true;
}
return false;
}
}