本文介绍了和引擎精灵移动路径修改器和身体的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
我使用这个代码
this.mPhysicsWorld = new FixedStepPhysicsWorld(30, new Vector2(0, 0), false, 8, 1);
this.mScene.registerUpdateHandler(this.mPhysicsWorld);
final AnimatedSprite chat_sale_1 = new AnimatedSprite(2157, 638, this.mchatSaleTextureRegion);
//final PhysicsHandler physicsHandler2 = new PhysicsHandler(chat_sale_1);
//chat_sale_1.registerUpdateHandler(physicsHandler2);
final FixtureDef chat_sale_1FixtureDef = PhysicsFactory.createFixtureDef(0, 0, 0f);
mCatBody = PhysicsFactory.createBoxBody(this.mPhysicsWorld, chat_sale_1, BodyType.DynamicBody, chat_sale_1FixtureDef);
//mCatBody.setColor(1, 0, 0, 0.25f);
final Path path = new Path(5).to(2157, 638).to( 2775, 638).to( 2775, 610).to( 2157, 610).to( 2157, 638);
//207
chat_sale_1.registerEntityModifier(
new LoopEntityModifier(
new PathModifier(35, path, null, new IPathModifierListener() {
@Override
public void onPathStarted(final PathModifier pPathModifier, final IEntity pEntity) {
//Debug.d("onPathStarted");
}
@Override
public void onPathWaypointStarted(final PathModifier pPathModifier, final IEntity pEntity, final int pWaypointIndex) {
switch(pWaypointIndex) {
case 0:
chat_sale_1.animate(new long[]{200, 200, 200}, 9, 11, true);
break;
case 1:
chat_sale_1.animate(new long[]{200, 200, 200}, 13, 15, true);
break;
case 2:
chat_sale_1.animate(new long[]{200, 200, 200}, 5, 7, true);
break;
case 3:
chat_sale_1.animate(new long[]{200, 200, 200},1, 3, true);
break;
}
//Debug.d("onPathWaypointStarted: " + pWaypointIndex);
}
@Override
public void onPathWaypointFinished(final PathModifier pPathModifier, final IEntity pEntity, final int pWaypointIndex) {
//Debug.d("onPathWaypointFinished: " + pWaypointIndex);
//player.stopAnimation();
}
@Override
public void onPathFinished(final PathModifier pPathModifier, final IEntity pEntity) {
//Debug.d("onPathFinished");
chat_sale_1.stopAnimation();
}
},EaseLinear.getInstance()))
);
this.mPhysicsWorld.registerPhysicsConnector(new PhysicsConnector(chat_sale_1, mCatBody, true, true){
@Override
public void onUpdate(float pSecondsElapsed){
super.onUpdate(pSecondsElapsed);
//Log.d(tag, "onUpdate");
//chat_sale_1.setPosition(mCamera.getMinX()+chat_sale_1.getX(), mCamera.getMinY()+chat_sale_1.getY());
//mCatBody.setLinearVelocity(chat_sale_1.getX(),chat_sale_1.getY());
//mCatBody.setLinearVelocity(new Vector2(0,0));
//mCatBody.setTransform(new Vector2(mCamera.getMinX()+chat_sale_1.getX()/32,mCamera.getMinY()+chat_sale_1.getY()/32), 0);
//mCatBody.setLinearVelocity(new Vector2(mCamera.getMinX()+chat_sale_1.getX(),mCamera.getMinY()+chat_sale_1.getY()));
//final Vector2 velocity2 = Vector2Pool.obtain(chat_sale_1.getX(), chat_sale_1.getY());
//mCatBody.setLinearVelocity(velocity2);
//Vector2Pool.recycle(velocity2);
mCatBody.setTransform(chat_sale_1.getX()/32,chat_sale_1.getY()/32, 0);
//mCatBody.setTransform(new Vector2(chat_sale_1.getX()/mPixelToMeterRatio,chat_sale_1.getY()/mPixelToMeterRatio), 0);
//final Vector2 velocity2 = Vector2Pool.obtain(mCamera.getMinX()+chat_sale_1.getX(), mCamera.getMinY()+chat_sale_1.getY());
//final Vector2 velocity2 = Vector2Pool.obtain(chat_sale_1.getX(), chat_sale_1.getY());
//mCatBody.setLinearVelocity(velocity2);
//Vector2Pool.recycle(velocity2);
//mCatBody.setTransform(new Vector2(chat_sale_1.getX()/32,chat_sale_1.getY()/32), 0);
}
});
mScene.attachChild(chat_sale_1);
代码播放器
mplayer = new Saiyan(playerX, playerY, this.textureRegionHashMap.get("hero5"));
//this.mCamera.setChaseEntity(mplayer);
physicsHandler = new PhysicsHandler(mplayer);
mplayer.registerUpdateHandler(physicsHandler);
final FixtureDef playerFixtureDef = PhysicsFactory.createFixtureDef(0, 0, 0f);
mPlayerBody = PhysicsFactory.createBoxBody(this.mPhysicsWorld, mplayer, BodyType.DynamicBody, playerFixtureDef);
this.mPhysicsWorld.registerPhysicsConnector(new PhysicsConnector(mplayer, mPlayerBody, true, false){
@Override
public void onUpdate(float pSecondsElapsed){
super.onUpdate(pSecondsElapsed);
mCamera.updateChaseEntity();
}
});
mCamera.setChaseEntity(mplayer);
mScene.attachChild(mplayer);
无法跟踪chat_sale_1 的主体，然后mplayer 和chat_sale_1 没有任何反应，我不明白.请问如何为 mCatBody 制作正确的代码?
impossible to follow the body of chat_sale_1 and then nothing happens with mplayer and chat_sale_1, I do not understand. please how make a correct code for mCatBody please?
推荐答案
已解决
final FixtureDef chat_sale_1FixtureDef = PhysicsFactory.createFixtureDef(0, 0, 0f);
mCatBody = PhysicsFactory.createBoxBody(this.mPhysicsWorld, 8,1, 16,1, 0, BodyType.KinematicBody, chat_sale_1FixtureDef);
在 mScene.registerUpdateHandler(new IUpdateHandler() {
in mScene.registerUpdateHandler(new IUpdateHandler() {
Vector2 localPoint = Vector2Pool.obtain(((chat_sale_1.getX()+(chat_sale_1.getWidth()/2))/PhysicsConstants.PIXEL_TO_METER_RATIO_DEFAULT), ((chat_sale_1.getY()+chat_sale_1.getHeight()-8)/PhysicsConstants.PIXEL_TO_METER_RATIO_DEFAULT));
mCatBody.setTransform(localPoint, 0);
Vector2Pool.recycle(localPoint);
享受！！！
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