コード例 #1
0
ファイル: Rope.cs プロジェクト: CloneDeath/Box2D.Net
		public RopeTest()
		{
			const int N = 40;
			Vec2[] vertices = new Vec2[N];
			float [] masses = new float [N];

			for (int i = 0; i < N; ++i)
			{
				vertices[i].Set(0.0f, 20.0f - 0.25f * i);
				masses[i] = 1.0f;
			}
			masses[0] = 0.0f;
			masses[1] = 0.0f;

			RopeDef def = new RopeDef();
			def.vertices = new List<Vec2>(vertices);
			def.count = N;
			def.gravity.Set(0.0f, -10.0f);
			def.masses = new List<float>(masses);
			def.damping = 0.1f;
			def.k2 = 1.0f;
			def.k3 = 0.5f;

			m_rope.Initialize(def);

			m_angle = 0.0f;
			m_rope.SetAngle(m_angle);
		}
コード例 #2
0
ファイル: Rope.cs プロジェクト: CloneDeath/Box2D.Net
        ///
        public void Initialize(RopeDef def)
        {
            throw new NotImplementedException();
            //Utilities.Assert(def.count >= 3);
            //m_count = def.count;
            //m_ps = (Vec2*)Alloc(m_count * sizeof(Vec2));
            //m_p0s = (Vec2*)Alloc(m_count * sizeof(Vec2));
            //m_vs = (Vec2*)Alloc(m_count * sizeof(Vec2));
            //m_ims = (float*)Alloc(m_count * sizeof(float));

            //for (int i = 0; i < m_count; ++i)
            //{
            //    m_ps[i] = def.vertices[i];
            //    m_p0s[i] = def.vertices[i];
            //    m_vs[i].SetZero();

            //    float m = def.masses[i];
            //    if (m > 0.0f)
            //    {
            //        m_ims[i] = 1.0f / m;
            //    }
            //    else
            //    {
            //        m_ims[i] = 0.0f;
            //    }
            //}

            //int count2 = m_count - 1;
            //int count3 = m_count - 2;
            //m_Ls = (float*)Alloc(count2 * sizeof(float));
            //m_as = (float*)Alloc(count3 * sizeof(float));

            //for (int i = 0; i < count2; ++i)
            //{
            //    Vec2 p1 = m_ps[i];
            //    Vec2 p2 = m_ps[i+1];
            //    m_Ls[i] = Distance(p1, p2);
            //}

            //for (int i = 0; i < count3; ++i)
            //{
            //    Vec2 p1 = m_ps[i];
            //    Vec2 p2 = m_ps[i + 1];
            //    Vec2 p3 = m_ps[i + 2];

            //    Vec2 d1 = p2 - p1;
            //    Vec2 d2 = p3 - p2;

            //    float a = Utilities.Cross(d1, d2);
            //    float b = Utilities.Dot(d1, d2);

            //    m_as[i] = Atan2(a, b);
            //}

            //m_gravity = def.gravity;
            //m_damping = def.damping;
            //m_k2 = def.k2;
            //m_k3 = def.k3;
        }
コード例 #3
0
ファイル: Rope.cs プロジェクト: CloneDeath/Box2D.Net
		///
		public void Initialize(RopeDef def){
			throw new NotImplementedException();
			//Utilities.Assert(def.count >= 3);
			//m_count = def.count;
			//m_ps = (Vec2*)Alloc(m_count * sizeof(Vec2));
			//m_p0s = (Vec2*)Alloc(m_count * sizeof(Vec2));
			//m_vs = (Vec2*)Alloc(m_count * sizeof(Vec2));
			//m_ims = (float*)Alloc(m_count * sizeof(float));

			//for (int i = 0; i < m_count; ++i)
			//{
			//    m_ps[i] = def.vertices[i];
			//    m_p0s[i] = def.vertices[i];
			//    m_vs[i].SetZero();

			//    float m = def.masses[i];
			//    if (m > 0.0f)
			//    {
			//        m_ims[i] = 1.0f / m;
			//    }
			//    else
			//    {
			//        m_ims[i] = 0.0f;
			//    }
			//}

			//int count2 = m_count - 1;
			//int count3 = m_count - 2;
			//m_Ls = (float*)Alloc(count2 * sizeof(float));
			//m_as = (float*)Alloc(count3 * sizeof(float));

			//for (int i = 0; i < count2; ++i)
			//{
			//    Vec2 p1 = m_ps[i];
			//    Vec2 p2 = m_ps[i+1];
			//    m_Ls[i] = Distance(p1, p2);
			//}

			//for (int i = 0; i < count3; ++i)
			//{
			//    Vec2 p1 = m_ps[i];
			//    Vec2 p2 = m_ps[i + 1];
			//    Vec2 p3 = m_ps[i + 2];

			//    Vec2 d1 = p2 - p1;
			//    Vec2 d2 = p3 - p2;

			//    float a = Utilities.Cross(d1, d2);
			//    float b = Utilities.Dot(d1, d2);

			//    m_as[i] = Atan2(a, b);
			//}

			//m_gravity = def.gravity;
			//m_damping = def.damping;
			//m_k2 = def.k2;
			//m_k3 = def.k3;
		}