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fix penetration direction for sphere-vs-AACube

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Andrew Meadows 2014-04-22 11:43:23 -07:00
parent f033990fae
commit 65d3b4dc39
1 changed files with 8 additions and 5 deletions
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13
libraries/shared/src/ShapeCollider.cpp
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@ -607,12 +607,15 @@ bool sphereAACube(const glm::vec3& sphereCenter, float sphereRadius, const glm::
if (glm::dot(surfaceAB, BA) > 0.f) { if (glm::dot(surfaceAB, BA) > 0.f) {
CollisionInfo* collision = collisions.getNewCollision(); CollisionInfo* collision = collisions.getNewCollision();
if (collision) { if (collision) {
glm::vec3 normal(floorf(BA.x/maxBA), floorf(BA.y/maxBA), floorf(BA.z/maxBA)); // penetration is parallel to box side direction
std::cout << "adebug normal = " << normal << std::endl; // adebug glm::vec3 direction;
normal = glm::normalize(normal); modff(BA.x/maxBA, &(direction.x));
collision->_penetration = glm::dot(surfaceAB, normal) * normal; modff(BA.y/maxBA, &(direction.y));
modff(BA.z/maxBA, &(direction.z));
direction = glm::normalize(direction);
collision->_penetration = glm::dot(surfaceAB, direction) * direction;
// contactPoint is on surface of A // contactPoint is on surface of A
collision->_contactPoint = sphereCenter - sphereRadius * normal; collision->_contactPoint = sphereCenter - sphereRadius * direction;
return true; return true;
} }
} }