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2014/10/16 ¤W¤È 08:27:25

android Programming Glossary: vr

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

vx body.getLinearVelocity .x vy body.getLinearVelocity .y vr float Math.sqrt vx vx vy vy float t float Math.atan Math.abs.. 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.. if vx 0 vy 0 body.applyForce float destroyerVelocity vr Math.cos t body.getMass float destroyerVelocity vr Math.sin..

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

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.. .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.. 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 .x body.getWorldCenter .y..