From 76569ff4fba09f22ed4a06b8073deaed7f64a2e3 Mon Sep 17 00:00:00 2001 From: MW Date: Sat, 10 Mar 2007 20:30:25 +0000 Subject: A PhysX physics plugin (that actually uses physX now but currently only works on windows) Can now change direction when walking without stopping Flying works when using the Physx dll --- src/physics/RealPhysX/RealPhysXplugin/RealPhysX.cs | 361 +++++++++++++++++++++ 1 file changed, 361 insertions(+) create mode 100644 src/physics/RealPhysX/RealPhysXplugin/RealPhysX.cs (limited to 'src/physics/RealPhysX/RealPhysXplugin/RealPhysX.cs') diff --git a/src/physics/RealPhysX/RealPhysXplugin/RealPhysX.cs b/src/physics/RealPhysX/RealPhysXplugin/RealPhysX.cs new file mode 100644 index 0000000..9576a40 --- /dev/null +++ b/src/physics/RealPhysX/RealPhysXplugin/RealPhysX.cs @@ -0,0 +1,361 @@ +/* +* Copyright (c) OpenSim project, http://sim.opensecondlife.org/ +* +* Redistribution and use in source and binary forms, with or without +* modification, are permitted provided that the following conditions are met: +* * Redistributions of source code must retain the above copyright +* notice, this list of conditions and the following disclaimer. +* * Redistributions in binary form must reproduce the above copyright +* notice, this list of conditions and the following disclaimer in the +* documentation and/or other materials provided with the distribution. +* * Neither the name of the nor the +* names of its contributors may be used to endorse or promote products +* derived from this software without specific prior written permission. +* +* THIS SOFTWARE IS PROVIDED BY ``AS IS'' AND ANY +* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +* DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY +* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND +* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +* +*/ +/* +* Copyright (c) OpenSim project, http://sim.opensecondlife.org/ +* +* Redistribution and use in source and binary forms, with or without +* modification, are permitted provided that the following conditions are met: +* * Redistributions of source code must retain the above copyright +* notice, this list of conditions and the following disclaimer. +* * Redistributions in binary form must reproduce the above copyright +* notice, this list of conditions and the following disclaimer in the +* documentation and/or other materials provided with the distribution. +* * Neither the name of the nor the +* names of its contributors may be used to endorse or promote products +* derived from this software without specific prior written permission. +* +* THIS SOFTWARE IS PROVIDED BY ``AS IS'' AND ANY +* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +* DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY +* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND +* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +* +*/ +using System; +using System.Collections.Generic; +using PhysicsSystem; +using PhysXWrapper; + +namespace PhysXplugin +{ + /// + /// Will be the PhysX plugin but for now will be a very basic physics engine + /// + public class PhysXPlugin : IPhysicsPlugin + { + private PhysXScene _mScene; + + public PhysXPlugin() + { + + } + + public bool Init() + { + return true; + } + + public PhysicsScene GetScene() + { + if(_mScene == null) + { + _mScene = new PhysXScene(); + } + return(_mScene); + } + + public string GetName() + { + return("RealPhysX"); + } + + public void Dispose() + { + + } + } + + public class PhysXScene :PhysicsScene + { + private List _characters = new List(); + private List _prims = new List(); + private float[] _heightMap; + private NxPhysicsSDK mySdk; + private NxScene scene; + + public PhysXScene() + { + mySdk = NxPhysicsSDK.CreateSDK(); + scene = mySdk.CreateScene(); + + } + + public override PhysicsActor AddAvatar(PhysicsVector position) + { + Vec3 pos = new Vec3(); + pos.X = position.X; + pos.Y = position.Y; + pos.Z = position.Z; + PhysXCharacter act = new PhysXCharacter( scene.AddCharacter(pos)); + act.Position = position; + _characters.Add(act); + return act; + } + + public override PhysicsActor AddPrim(PhysicsVector position, PhysicsVector size) + { + Vec3 pos = new Vec3(); + pos.X = position.X; + pos.Y = position.Y; + pos.Z = position.Z; + Vec3 siz = new Vec3(); + siz.X = size.X; + siz.Y = size.Y; + siz.Z = size.Z; + PhysXPrim act = new PhysXPrim( scene.AddNewBox(pos, siz)); + _prims.Add(act); + return act; + } + public override void Simulate(float timeStep) + { + foreach (PhysXCharacter actor in _characters) + { + actor.Move(timeStep); + } + scene.Simulate(timeStep); + scene.FetchResults(); + scene.UpdateControllers(); + + foreach (PhysXCharacter actor in _characters) + { + actor.UpdatePosition(); + } + + } + + public override void GetResults() + { + + } + + public override bool IsThreaded + { + get + { + return(false); // for now we won't be multithreaded + } + } + + public override void SetTerrain(float[] heightMap) + { + this._heightMap = heightMap; + this.scene.AddTerrain(heightMap); + } + } + + public class PhysXCharacter : PhysicsActor + { + private PhysicsVector _position; + private PhysicsVector _velocity; + private PhysicsVector _acceleration; + private NxCharacter _character; + private bool flying; + + public PhysXCharacter(NxCharacter character) + { + _velocity = new PhysicsVector(); + _position = new PhysicsVector(); + _acceleration = new PhysicsVector(); + _character = character; + } + + public override bool Flying + { + get + { + return flying; + } + set + { + flying = value; + } + } + + public override PhysicsVector Position + { + get + { + return _position; + } + set + { + _position = value; + } + } + + public override PhysicsVector Velocity + { + get + { + return _velocity; + } + set + { + _velocity = value; + } + } + + public override PhysicsVector Acceleration + { + get + { + return _acceleration; + } + + } + public void SetAcceleration (PhysicsVector accel) + { + this._acceleration = accel; + } + + public override void AddForce(PhysicsVector force) + { + + } + + public override void SetMomentum(PhysicsVector momentum) + { + + } + + public void Move(float timeStep) + { + Vec3 vec = new Vec3(); + vec.X = this._velocity.X * timeStep; + vec.Y = this._velocity.Y * timeStep; + if(flying) + { + vec.Z = ( this._velocity.Z) * timeStep; + } + else + { + vec.Z = (-9.8f + this._velocity.Z) * timeStep; + } + this._character.Move(vec); + } + + public void UpdatePosition() + { + Vec3 vec = this._character.Position; + this._position.X = vec.X; + this._position.Y = vec.Y; + this._position.Z = vec.Z; + } + } + + public class PhysXPrim : PhysicsActor + { + private PhysicsVector _position; + private PhysicsVector _velocity; + private PhysicsVector _acceleration; + private NxActor _prim; + + public PhysXPrim(NxActor prim) + { + _velocity = new PhysicsVector(); + _position = new PhysicsVector(); + _acceleration = new PhysicsVector(); + _prim = prim; + } + public override bool Flying + { + get + { + return false; //no flying prims for you + } + set + { + + } + } + public override PhysicsVector Position + { + get + { + PhysicsVector pos = new PhysicsVector(); + Vec3 vec = this._prim.Position; + pos.X = vec.X; + pos.Y = vec.Y; + pos.Z = vec.Z; + return pos; + + } + set + { + PhysicsVector vec = value; + Vec3 pos = new Vec3(); + pos.X = vec.X; + pos.Y = vec.Y; + pos.Z = vec.Z; + this._prim.Position = pos; + } + } + + public override PhysicsVector Velocity + { + get + { + return _velocity; + } + set + { + _velocity = value; + } + } + + public override PhysicsVector Acceleration + { + get + { + return _acceleration; + } + + } + public void SetAcceleration (PhysicsVector accel) + { + this._acceleration = accel; + } + + public override void AddForce(PhysicsVector force) + { + + } + + public override void SetMomentum(PhysicsVector momentum) + { + + } + + + } + +} -- cgit v1.1