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check for collisions with spheres that are moving slightly away from polygon

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This commit is contained in:
David Rose 2003-12-10 01:55:45 +00:00
parent 8a382a8374
commit 14338e4772
1 changed files with 3 additions and 3 deletions
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6
panda/src/collide/collisionPolygon.cxx
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@ -415,10 +415,10 @@ test_intersection_from_sphere(const CollisionEntry &entry) const {
LPoint3f a = sphere->get_center() * wrt_prev_space->get_mat(); LPoint3f a = sphere->get_center() * wrt_prev_space->get_mat();
LVector3f delta = b - a; LVector3f delta = b - a;
// First, there is no collision if the "from" object is moving in // First, there is no collision if the "from" object is definitely
// the same direction as the plane's normal. // moving in the same direction as the plane's normal.
float dot = delta.dot(get_normal()); float dot = delta.dot(get_normal());
if (dot > 0.0f) { if (dot > 0.1f) {
return NULL; return NULL;
} }