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Sphere Vs Box collision detect fix 

second ed. ... Works now! :3
This commit is contained in:
Dander7BD 2013-12-04 14:12:06 +01:00
parent e0adc0ae93
commit 7ad60969fc
1 changed files with 4 additions and 5 deletions
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9
Code/OysterPhysics3D/OysterCollision3D.cpp
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@ -459,12 +459,11 @@ namespace Oyster { namespace Collision3D { namespace Utility
bool Intersect( const Box &box, const Sphere &sphere )
{ // by Dan Andersson
Float4 vCenter = Float4( sphere.center - box.center, 1.0f ); // sphere's center in the box's view space
vCenter = InverseRotationMatrix( box.rotation ) * vCenter;
vCenter.w = 0.0f;
// center: sphere's center in the box's view space
Float4 center = TransformVector( InverseRotationMatrix(box.rotation), Float4(sphere.center - box.center, 0.0f) );
Float4 e = Max( Float4(-box.boundingOffset, 0.0f) - vCenter, Float4::null );
e += Max( vCenter - Float4(-box.boundingOffset, 0.0f), Float4::null );
Float4 e = Max( Float4(-box.boundingOffset, 0.0f) - center, Float4::null );
e += Max( center - Float4(box.boundingOffset, 0.0f), Float4::null );
if( e.Dot(e) > (sphere.radius * sphere.radius) ) return false;
return true;