From c1c85555650aa4f976bd880a9b6ab7f21ba0f63a Mon Sep 17 00:00:00 2001 From: Andrea Catania Date: Thu, 16 May 2019 18:56:37 +0200 Subject: [PATCH] Improved CCD calculation algorithm --- modules/bullet/rigid_body_bullet.cpp | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/modules/bullet/rigid_body_bullet.cpp b/modules/bullet/rigid_body_bullet.cpp index e5f70a0b340..733a9003961 100644 --- a/modules/bullet/rigid_body_bullet.cpp +++ b/modules/bullet/rigid_body_bullet.cpp @@ -741,22 +741,20 @@ void RigidBodyBullet::set_continuous_collision_detection(bool p_enable) { if (p_enable) { // This threshold enable CCD if the object moves more than // 1 meter in one simulation frame - btBody->setCcdMotionThreshold(0.1); + btBody->setCcdMotionThreshold(1e-7); /// Calculate using the rule writte below the CCD swept sphere radius /// CCD works on an embedded sphere of radius, make sure this radius /// is embedded inside the convex objects, preferably smaller: /// for an object of dimensions 1 meter, try 0.2 - btScalar radius; + btScalar radius(1.0); if (btBody->getCollisionShape()) { btVector3 center; btBody->getCollisionShape()->getBoundingSphere(center, radius); - } else { - radius = 0; } btBody->setCcdSweptSphereRadius(radius * 0.2); } else { - btBody->setCcdMotionThreshold(0.); + btBody->setCcdMotionThreshold(10000.0); btBody->setCcdSweptSphereRadius(0.); } } @@ -834,7 +832,7 @@ void RigidBodyBullet::reload_shapes() { btBody->updateInertiaTensor(); reload_kinematic_shapes(); - + set_continuous_collision_detection(btBody->getCcdMotionThreshold() < 9998.0); reload_body(); }