Esempio n. 1
0
        public void ReInitializeData(Vector3 positionXNA, Material mat, float radius)
        {
            this.Radius = radius;
            this.PositionCenterEngine = MathHelperModule.GetPositionCenter(positionXNA, radius);
            this.RectangleArea        = MathHelperModule.GetSphereRigid2DCoordinatesPositionCenter(this.PositionCenterEngine, (int)radius);

            InitTorque   = 0;
            InitRotation = 0;
            this.Radius  = radius;
            //this.color = StaticData.colors[(int)mat];

            SetMaterial(mat);
            SetMass(radius);

            baseMomentOfInertia = 0.5f * Mass * radius * radius;
            dAngle = 0;

            velocity = new Vector3(0, 0, 0);

            InverseInertiaTensorWorld     = new Matrix();
            InverseInertiaTensorWorld.M11 = InverseInertiaTensorWorld.M22 = InverseInertiaTensorWorld.M33 = (float)1 / baseMomentOfInertia;
            InverseInertiaTensorWorld.M44 = 1;

            vertices = new VertexPositionColor[divisions + 1];
            float angleIncrement = (float)(Math.PI * 2 / (divisions - 50));

            for (int i = 0; i < vertices.Length; i++)
            {
                float angle = angleIncrement * i;

                Vector3 position1 = this.PositionCenterEngine + new Vector3((float)Math.Sin(angle + 3) * Radius, (float)Math.Cos(angle + 3) * Radius, 0);
                vertices[i].Position = position1;
            }
        }
Esempio n. 2
0
 protected override void UpdateGraphics(GameTime gametime)
 {
     this.RectangleArea = MathHelperModule.GetSphereRigid2DCoordinatesPositionCenter(PositionCenterEngine, Radius);
 }