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2014/10/16 ¤W¤È 08:10:40
android Programming Glossary: body.applyforceHow do I make a body ignore gravity (AndEngine)? http://stackoverflow.com/questions/11239548/how-do-i-make-a-body-ignore-gravity-andengine If that does not work you'll have to put this in onUpdate body.applyForce new Vector2 0 SensorManager.GRAVITY_EARTH new Vector2 body.getWorldCenter..
How do I apply a force to a body in the direction it is traveling (Box2D)? http://stackoverflow.com/questions/11257462/how-do-i-apply-a-force-to-a-body-in-the-direction-it-is-traveling-box2d void onManagedUpdate final float pSecondsElapsed body.applyForce new Vector2 0 SensorManager.GRAVITY_EARTH new Vector2 body.getWorldCenter.. Math.abs vy vx if vr destroyerVelocity if vx 0 vy 0 body.applyForce float destroyerVelocity vr Math.cos t body.getMass float destroyerVelocity.. .x body.getWorldCenter .y else if vx 0 vy 0 body.applyForce float destroyerVelocity vr Math.cos t body.getMass float destroyerVelocity..
How to change the default Android browser's homepage within an app? http://stackoverflow.com/questions/9524494/how-to-change-the-default-android-browsers-homepage-within-an-app
How do I make a body ignore gravity (AndEngine)? http://stackoverflow.com/questions/11239548/how-do-i-make-a-body-ignore-gravity-andengine
How do I apply a force to a body in the direction it is traveling (Box2D)? http://stackoverflow.com/questions/11257462/how-do-i-apply-a-force-to-a-body-in-the-direction-it-is-traveling-box2d this body true true scene.attachChild this @Override protected void onManagedUpdate final float pSecondsElapsed body.applyForce new Vector2 0 SensorManager.GRAVITY_EARTH new Vector2 body.getWorldCenter float vx body.getLinearVelocity .x vy body.getLinearVelocity.. .y vr float Math.sqrt vx vx vy vy float t float Math.atan Math.abs vy vx if vr destroyerVelocity if vx 0 vy 0 body.applyForce float destroyerVelocity vr Math.cos t body.getMass float destroyerVelocity vr Math.sin t body.getMass body.getWorldCenter.. float destroyerVelocity vr Math.sin t body.getMass body.getWorldCenter .x body.getWorldCenter .y else if vx 0 vy 0 body.applyForce float destroyerVelocity vr Math.cos t body.getMass float destroyerVelocity vr Math.sin t body.getMass body.getWorldCenter..
How to change the default Android browser's homepage within an app? http://stackoverflow.com/questions/9524494/how-to-change-the-default-android-browsers-homepage-within-an-app
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