Remove unused Bullet module and thirdparty code

It has been disabled in `master` since one year (#45852) and our plan
is for Bullet, and possibly other thirdparty physics engines, to be
implemented via GDExtension so that they can be selected by the users
who need them.

1 files changed, 0 insertions, 106 deletions

diff --git a/thirdparty/bullet/Bullet3Dynamics/shared/b3IntegrateTransforms.h b/thirdparty/bullet/Bullet3Dynamics/shared/b3IntegrateTransforms.h
deleted file mode 100644
index 56d9118f95..0000000000
--- a/thirdparty/bullet/Bullet3Dynamics/shared/b3IntegrateTransforms.h
+++ /dev/null
@@ -1,106 +0,0 @@
-
-
-#include "Bullet3Collision/NarrowPhaseCollision/shared/b3RigidBodyData.h"
-
-inline void integrateSingleTransform(__global b3RigidBodyData_t* bodies, int nodeID, float timeStep, float angularDamping, b3Float4ConstArg gravityAcceleration)
-{
-	if (bodies[nodeID].m_invMass != 0.f)
-	{
-		float BT_GPU_ANGULAR_MOTION_THRESHOLD = (0.25f * 3.14159254f);
-
-		//angular velocity
-		{
-			b3Float4 axis;
-			//add some hardcoded angular damping
-			bodies[nodeID].m_angVel.x *= angularDamping;
-			bodies[nodeID].m_angVel.y *= angularDamping;
-			bodies[nodeID].m_angVel.z *= angularDamping;
-
-			b3Float4 angvel = bodies[nodeID].m_angVel;
-
-			float fAngle = b3Sqrt(b3Dot3F4(angvel, angvel));
-
-			//limit the angular motion
-			if (fAngle * timeStep > BT_GPU_ANGULAR_MOTION_THRESHOLD)
-			{
-				fAngle = BT_GPU_ANGULAR_MOTION_THRESHOLD / timeStep;
-			}
-			if (fAngle < 0.001f)
-			{
-				// use Taylor's expansions of sync function
-				axis = angvel * (0.5f * timeStep - (timeStep * timeStep * timeStep) * 0.020833333333f * fAngle * fAngle);
-			}
-			else
-			{
-				// sync(fAngle) = sin(c*fAngle)/t
-				axis = angvel * (b3Sin(0.5f * fAngle * timeStep) / fAngle);
-			}
-
-			b3Quat dorn;
-			dorn.x = axis.x;
-			dorn.y = axis.y;
-			dorn.z = axis.z;
-			dorn.w = b3Cos(fAngle * timeStep * 0.5f);
-			b3Quat orn0 = bodies[nodeID].m_quat;
-			b3Quat predictedOrn = b3QuatMul(dorn, orn0);
-			predictedOrn = b3QuatNormalized(predictedOrn);
-			bodies[nodeID].m_quat = predictedOrn;
-		}
-		//linear velocity
-		bodies[nodeID].m_pos += bodies[nodeID].m_linVel * timeStep;
-
-		//apply gravity
-		bodies[nodeID].m_linVel += gravityAcceleration * timeStep;
-	}
-}
-
-inline void b3IntegrateTransform(__global b3RigidBodyData_t* body, float timeStep, float angularDamping, b3Float4ConstArg gravityAcceleration)
-{
-	float BT_GPU_ANGULAR_MOTION_THRESHOLD = (0.25f * 3.14159254f);
-
-	if ((body->m_invMass != 0.f))
-	{
-		//angular velocity
-		{
-			b3Float4 axis;
-			//add some hardcoded angular damping
-			body->m_angVel.x *= angularDamping;
-			body->m_angVel.y *= angularDamping;
-			body->m_angVel.z *= angularDamping;
-
-			b3Float4 angvel = body->m_angVel;
-			float fAngle = b3Sqrt(b3Dot3F4(angvel, angvel));
-			//limit the angular motion
-			if (fAngle * timeStep > BT_GPU_ANGULAR_MOTION_THRESHOLD)
-			{
-				fAngle = BT_GPU_ANGULAR_MOTION_THRESHOLD / timeStep;
-			}
-			if (fAngle < 0.001f)
-			{
-				// use Taylor's expansions of sync function
-				axis = angvel * (0.5f * timeStep - (timeStep * timeStep * timeStep) * 0.020833333333f * fAngle * fAngle);
-			}
-			else
-			{
-				// sync(fAngle) = sin(c*fAngle)/t
-				axis = angvel * (b3Sin(0.5f * fAngle * timeStep) / fAngle);
-			}
-			b3Quat dorn;
-			dorn.x = axis.x;
-			dorn.y = axis.y;
-			dorn.z = axis.z;
-			dorn.w = b3Cos(fAngle * timeStep * 0.5f);
-			b3Quat orn0 = body->m_quat;
-
-			b3Quat predictedOrn = b3QuatMul(dorn, orn0);
-			predictedOrn = b3QuatNormalized(predictedOrn);
-			body->m_quat = predictedOrn;
-		}
-
-		//apply gravity
-		body->m_linVel += gravityAcceleration * timeStep;
-
-		//linear velocity
-		body->m_pos += body->m_linVel * timeStep;
-	}
-}