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SDLPP: if one object is entirely contained within another, it is a collision

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zvon 2021-04-29 19:48:45 +02:00
parent 4f20274f11
commit 4e81ac6562
1 changed files with 10 additions and 0 deletions
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10
sdlpp/sdlpp_collision.cpp
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@ -72,6 +72,16 @@ bool intersects( const SDLPP::CollisionPolygon &p1,
if ( p1.rightmost() < p2.leftmost() || p2.rightmost() < p1.leftmost() ||
p1.bottommost() < p2.topmost() || p2.bottommost() < p1.topmost() )
return false;
if ( p1.leftmost() < p2.leftmost() && p1.topmost() < p2.topmost() &&
p1.rightmost() > p2.rightmost() &&
p1.bottommost() > p2.bottommost() ) {
return true;
}
if ( p2.leftmost() < p1.leftmost() && p2.topmost() < p1.topmost() &&
p2.rightmost() > p1.rightmost() &&
p2.bottommost() > p1.bottommost() ) {
return true;
}
for ( auto &line : p1.getLines() ) {
for ( auto &line2 : p2.getLines() ) {
if ( linesCross( line, line2 ) )