예제 #1
0
        public unsafe override void Initialize(ContentArchive content, Camera camera)
        {
            camera.Position = new Vector3(0, 9, -40);
            camera.Yaw      = MathHelper.Pi;
            camera.Pitch    = 0;
            var filters = new BodyProperty <SubgroupCollisionFilter>();

            Simulation = Simulation.Create(BufferPool, new SubgroupFilteredCallbacks {
                CollisionFilters = filters
            }, new DemoPoseIntegratorCallbacks(new Vector3(0, -10, 0)));

            int ragdollIndex = 0;
            var spacing      = new Vector3(1.7f, 1.8f, 0.5f);
            int width        = 4;
            int height       = 4;
            int length       = 44;
            var origin       = -0.5f * spacing * new Vector3(width - 1, 0, length - 1) + new Vector3(0, 5f, 0);

            for (int i = 0; i < width; ++i)
            {
                for (int j = 0; j < height; ++j)
                {
                    for (int k = 0; k < length; ++k)
                    {
                        RagdollDemo.AddRagdoll(origin + spacing * new Vector3(i, j, k), Quaternion.CreateFromAxisAngle(new Vector3(0, 1, 0), MathHelper.Pi * 0.05f), ragdollIndex++, filters, Simulation);
                    }
                }
            }

            var         tubeCenter      = new Vector3(0, 8, 0);
            const int   panelCount      = 20;
            const float tubeRadius      = 6;
            var         panelShape      = new Box((float)Math.PI * 2 * tubeRadius / panelCount, 1, 80);
            var         panelShapeIndex = Simulation.Shapes.Add(panelShape);
            var         builder         = new CompoundBuilder(BufferPool, Simulation.Shapes, panelCount + 1);

            for (int i = 0; i < panelCount; ++i)
            {
                var rotation = Quaternion.CreateFromAxisAngle(Vector3.UnitZ, i * MathHelper.TwoPi / panelCount);
                Quaternion.TransformUnitY(rotation, out var localUp);
                var position = localUp * tubeRadius;
                builder.AddForKinematic(panelShapeIndex, new RigidPose(position, rotation), 1);
            }
            builder.AddForKinematic(Simulation.Shapes.Add(new Box(1, 2, panelShape.Length)), new RigidPose(new Vector3(0, tubeRadius - 1, 0)), 0);
            builder.BuildKinematicCompound(out var children);
            var compound = new BigCompound(children, Simulation.Shapes, BufferPool);

            Simulation.Bodies.Add(BodyDescription.CreateKinematic(tubeCenter, new BodyVelocity(default, new Vector3(0, 0, .25f)), new CollidableDescription(Simulation.Shapes.Add(compound), 0.1f), new BodyActivityDescription()));