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fix bad penetration depth for interior of cube

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This commit is contained in:
Andrew Meadows 2014-05-07 12:39:20 -07:00
parent 9fc1c765d3
commit 8ec493e85b
1 changed files with 3 additions and 2 deletions
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5
libraries/shared/src/ShapeCollider.cpp
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@ -664,13 +664,14 @@ bool sphereAACube(const glm::vec3& sphereCenter, float sphereRadius, const glm::
glm::vec3 direction; glm::vec3 direction;
BA /= maxBA; BA /= maxBA;
glm::modf(BA, direction); glm::modf(BA, direction);
direction = glm::normalize(direction); float lengthDirection = glm::length(direction);
direction /= lengthDirection;
// compute collision details // compute collision details
collision->_type = COLLISION_TYPE_AACUBE; collision->_type = COLLISION_TYPE_AACUBE;
collision->_floatData = cubeSide; collision->_floatData = cubeSide;
collision->_vecData = cubeCenter; collision->_vecData = cubeCenter;
collision->_penetration = (halfCubeSide + sphereRadius - distance * glm::dot(BA, direction)) * direction; collision->_penetration = (halfCubeSide * lengthDirection + sphereRadius - maxBA * glm::dot(BA, direction)) * direction;
collision->_contactPoint = sphereCenter + sphereRadius * direction; collision->_contactPoint = sphereCenter + sphereRadius * direction;
} }
collision->_type = COLLISION_TYPE_AACUBE; collision->_type = COLLISION_TYPE_AACUBE;