protected override void Draw(Settings settings) { base.Draw(settings); m_debugDraw.DrawString(5, m_textLine, "Press 1-5 to drop stuff, m to change the mode"); m_textLine += 15; m_debugDraw.DrawString(5, m_textLine, "Mode = {0}", m_mode); m_textLine += 15; float L = 11.0f; b2Vec2 point1 = new b2Vec2(0.0f, 10.0f); b2Vec2 d = new b2Vec2(L * (float)Math.Cos(m_angle), L * (float)Math.Sin(m_angle)); b2Vec2 point2 = point1 + d; if (m_mode == Mode.e_closest) { RayCastClosestCallback callback = new RayCastClosestCallback(); m_world.RayCast(callback, point1, point2); if (callback.m_hit) { m_debugDraw.DrawPoint(callback.m_point, 5.0f, new b2Color(0.4f, 0.9f, 0.4f)); m_debugDraw.DrawSegment(point1, callback.m_point, new b2Color(0.8f, 0.8f, 0.8f)); b2Vec2 head = callback.m_point + 0.5f * callback.m_normal; m_debugDraw.DrawSegment(callback.m_point, head, new b2Color(0.9f, 0.9f, 0.4f)); } else { m_debugDraw.DrawSegment(point1, point2, new b2Color(0.8f, 0.8f, 0.8f)); } } else if (m_mode == Mode.e_any) { RayCastAnyCallback callback = new RayCastAnyCallback(); m_world.RayCast(callback, point1, point2); if (callback.m_hit) { m_debugDraw.DrawPoint(callback.m_point, 5.0f, new b2Color(0.4f, 0.9f, 0.4f)); m_debugDraw.DrawSegment(point1, callback.m_point, new b2Color(0.8f, 0.8f, 0.8f)); b2Vec2 head = callback.m_point + 0.5f * callback.m_normal; m_debugDraw.DrawSegment(callback.m_point, head, new b2Color(0.9f, 0.9f, 0.4f)); } else { m_debugDraw.DrawSegment(point1, point2, new b2Color(0.8f, 0.8f, 0.8f)); } } else if (m_mode == Mode.e_multiple) { RayCastMultipleCallback callback = new RayCastMultipleCallback(); m_world.RayCast(callback, point1, point2); m_debugDraw.DrawSegment(point1, point2, new b2Color(0.8f, 0.8f, 0.8f)); for (int i = 0; i < callback.m_count; ++i) { b2Vec2 p = callback.m_points[i]; b2Vec2 n = callback.m_normals[i]; m_debugDraw.DrawPoint(p, 5.0f, new b2Color(0.4f, 0.9f, 0.4f)); m_debugDraw.DrawSegment(point1, p, new b2Color(0.8f, 0.8f, 0.8f)); b2Vec2 head = p + 0.5f * n; m_debugDraw.DrawSegment(p, head, new b2Color(0.9f, 0.9f, 0.4f)); } } }