示例#1
0
  public void drawTree(
      org.jbox2d.callbacks.DebugDraw argDraw, DynamicTreeNode node, int spot, int height) {
    node.aabb.getVertices(drawVecs);

    color.set(1, (height - spot) * 1f / height, (height - spot) * 1f / height);
    argDraw.drawPolygon(drawVecs, 4, color);

    argDraw.getViewportTranform().getWorldToScreen(node.aabb.upperBound, textVec);
    argDraw.drawString(textVec.x, textVec.y, node.id + "-" + (spot + 1) + "/" + height, color);

    if (node.child1 != null) {
      drawTree(argDraw, node.child1, spot + 1, height);
    }
    if (node.child2 != null) {
      drawTree(argDraw, node.child2, spot + 1, height);
    }
  }
示例#2
0
文件: World.java 项目: robinp/libgdx
  private void drawJoint(Joint joint) {
    Body bodyA = joint.getBodyA();
    Body bodyB = joint.getBodyB();
    Transform xf1 = bodyA.getTransform();
    Transform xf2 = bodyB.getTransform();
    Vec2 x1 = xf1.p;
    Vec2 x2 = xf2.p;
    Vec2 p1 = pool.popVec2();
    Vec2 p2 = pool.popVec2();
    joint.getAnchorA(p1);
    joint.getAnchorB(p2);

    color.set(0.5f, 0.8f, 0.8f);

    switch (joint.getType()) {
        // TODO djm write after writing joints
      case DISTANCE:
        m_debugDraw.drawSegment(p1, p2, color);
        break;

      case PULLEY:
        {
          PulleyJoint pulley = (PulleyJoint) joint;
          Vec2 s1 = pulley.getGroundAnchorA();
          Vec2 s2 = pulley.getGroundAnchorB();
          m_debugDraw.drawSegment(s1, p1, color);
          m_debugDraw.drawSegment(s2, p2, color);
          m_debugDraw.drawSegment(s1, s2, color);
        }
        break;
      case CONSTANT_VOLUME:
      case MOUSE:
        // don't draw this
        break;
      default:
        m_debugDraw.drawSegment(x1, p1, color);
        m_debugDraw.drawSegment(p1, p2, color);
        m_debugDraw.drawSegment(x2, p2, color);
    }
    pool.pushVec2(2);
  }
示例#3
0
文件: World.java 项目: robinp/libgdx
  /** Call this to draw shapes and other debug draw data. */
  public void drawDebugData() {
    if (m_debugDraw == null) {
      return;
    }

    int flags = m_debugDraw.getFlags();

    if ((flags & DebugDraw.e_shapeBit) == DebugDraw.e_shapeBit) {
      for (Body b = m_bodyList; b != null; b = b.getNext()) {
        xf.set(b.getTransform());
        for (Fixture f = b.getFixtureList(); f != null; f = f.getNext()) {
          if (b.isActive() == false) {
            color.set(0.5f, 0.5f, 0.3f);
            drawShape(f, xf, color);
          } else if (b.getType() == BodyType.STATIC) {
            color.set(0.5f, 0.9f, 0.3f);
            drawShape(f, xf, color);
          } else if (b.getType() == BodyType.KINEMATIC) {
            color.set(0.5f, 0.5f, 0.9f);
            drawShape(f, xf, color);
          } else if (b.isAwake() == false) {
            color.set(0.5f, 0.5f, 0.5f);
            drawShape(f, xf, color);
          } else {
            color.set(0.9f, 0.7f, 0.7f);
            drawShape(f, xf, color);
          }
        }
      }
    }

    if ((flags & DebugDraw.e_jointBit) == DebugDraw.e_jointBit) {
      for (Joint j = m_jointList; j != null; j = j.getNext()) {
        drawJoint(j);
      }
    }

    if ((flags & DebugDraw.e_pairBit) == DebugDraw.e_pairBit) {
      color.set(0.3f, 0.9f, 0.9f);
      for (Contact c = m_contactManager.m_contactList; c != null; c = c.getNext()) {
        // Fixture fixtureA = c.getFixtureA();
        // Fixture fixtureB = c.getFixtureB();
        //
        // fixtureA.getAABB(childIndex).getCenterToOut(cA);
        // fixtureB.getAABB().getCenterToOut(cB);
        //
        // m_debugDraw.drawSegment(cA, cB, color);
      }
    }

    if ((flags & DebugDraw.e_aabbBit) == DebugDraw.e_aabbBit) {
      color.set(0.9f, 0.3f, 0.9f);

      for (Body b = m_bodyList; b != null; b = b.getNext()) {
        if (b.isActive() == false) {
          continue;
        }

        for (Fixture f = b.getFixtureList(); f != null; f = f.getNext()) {

          for (int i = 0; i < f.m_proxyCount; ++i) {
            FixtureProxy proxy = f.m_proxies[i];
            AABB aabb = m_contactManager.m_broadPhase.getFatAABB(proxy.proxyId);
            Vec2[] vs = avs.get(4);
            vs[0].set(aabb.lowerBound.x, aabb.lowerBound.y);
            vs[1].set(aabb.upperBound.x, aabb.lowerBound.y);
            vs[2].set(aabb.upperBound.x, aabb.upperBound.y);
            vs[3].set(aabb.lowerBound.x, aabb.upperBound.y);

            m_debugDraw.drawPolygon(vs, 4, color);
          }
        }
      }
    }

    if ((flags & DebugDraw.e_centerOfMassBit) == DebugDraw.e_centerOfMassBit) {
      for (Body b = m_bodyList; b != null; b = b.getNext()) {
        xf.set(b.getTransform());
        xf.p.set(b.getWorldCenter());
        m_debugDraw.drawTransform(xf);
      }
    }

    if ((flags & DebugDraw.e_dynamicTreeBit) == DebugDraw.e_dynamicTreeBit) {
      m_contactManager.m_broadPhase.drawTree(m_debugDraw);
    }
  }