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); } }
/** 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); } }