org.jbox2d.dynamics.Body.setLinearVelocity()方法的使用及代码示例

x33g5p2x  于2022-01-17 转载在 其他  
字(7.4k)|赞(0)|评价(0)|浏览(242)

本文整理了Java中org.jbox2d.dynamics.Body.setLinearVelocity()方法的一些代码示例，展示了Body.setLinearVelocity()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Body.setLinearVelocity()方法的具体详情如下：
包路径：org.jbox2d.dynamics.Body
类名称：Body
方法名：setLinearVelocity

Body.setLinearVelocity介绍

[英]Set the linear velocity of the center of mass.
[中]设置质心的线速度。

代码示例

代码示例来源：origin: libgdx/libgdx

/** Set the linear velocity of the center of mass. */
public void setLinearVelocity (float vX, float vY) {
  tmp.set(vX, vY);
  body.setLinearVelocity(tmp);
}

代码示例来源：origin: libgdx/libgdx

/** Set the linear velocity of the center of mass. */
public void setLinearVelocity (Vector2 v) {
  tmp.set(v.x, v.y);
  body.setLinearVelocity(tmp);
}

代码示例来源：origin: jbox2d/jbox2d

public void launch() {
 m_body.setTransform(new Vec2(0.0f, 20.0f), 0.0f);
 m_angularVelocity = (float) Math.random() * 100 - 50;
 m_body.setLinearVelocity(new Vec2(0.0f, -100.0f));
 m_body.setAngularVelocity(m_angularVelocity);
}

代码示例来源：origin: jbox2d/jbox2d

public void launch() {
 m_body.setTransform(new Vec2(0.0f, 4.0f), 0.0f);
 m_body.setLinearVelocity(new Vec2());
 m_body.setAngularVelocity(0.0f);
 m_x = MathUtils.randomFloat(-1.0f, 1.0f);
 m_bullet.setTransform(new Vec2(m_x, 10.0f), 0.0f);
 m_bullet.setLinearVelocity(new Vec2(0.0f, -50.0f));
 m_bullet.setAngularVelocity(0.0f);
 Distance.GJK_CALLS = 0;
 Distance.GJK_ITERS = 0;
 Distance.GJK_MAX_ITERS = 0;
 TimeOfImpact.toiCalls = 0;
 TimeOfImpact.toiIters = 0;
 TimeOfImpact.toiMaxIters = 0;
 TimeOfImpact.toiRootIters = 0;
 TimeOfImpact.toiMaxRootIters = 0;
}

代码示例来源：origin: jbox2d/jbox2d

@Override
public void step(TestbedSettings settings) {
 super.step(settings);
 addTextLine("Keys: (d) dynamic, (s) static, (k) kinematic");
 // Drive the kinematic body.
 if (m_platform.getType() == BodyType.KINEMATIC) {
  Vec2 p = m_platform.getTransform().p;
  Vec2 v = m_platform.getLinearVelocity();
  if ((p.x < -10.0f && v.x < 0.0f) || (p.x > 10.0f && v.x > 0.0f)) {
   v.x = -v.x;
   m_platform.setLinearVelocity(v);
  }
 }
}

代码示例来源：origin: jbox2d/jbox2d

@Override
public void keyPressed(char argKeyChar, int argKeyCode) {
 switch (argKeyChar) {
  case 'd':
   m_platform.setType(BodyType.DYNAMIC);
   break;
  case 's':
   m_platform.setType(BodyType.STATIC);
   break;
  case 'k':
   m_platform.setType(BodyType.KINEMATIC);
   m_platform.setLinearVelocity(new Vec2(-m_speed, 0.0f));
   m_platform.setAngularVelocity(0.0f);
   break;
 }
}

代码示例来源：origin: jbox2d/jbox2d

@Override
public void step(TestbedSettings settings) {
 super.step(settings);
 Vec2 p = circle.getTransform().p;
 Vec2 v = circle.getLinearVelocity();
 if ((p.x < -10.0f && v.x < 0.0f) || (p.x > 10.0f && v.x > 0.0f)) {
  v.x = -v.x;
  circle.setLinearVelocity(v);
 }
 int[] flagsBuffer = m_world.getParticleFlagsBuffer();
 for (int i = 0; i < m_world.getParticleCount(); i++) {
  flagsBuffer[i] = flags;
 }
 addTextLine("'a' Clear");
 addTextLine("'e' Elastic " + ((flags & ParticleType.b2_elasticParticle) != 0));
 addTextLine("'q' Powder  " + ((flags & ParticleType.b2_powderParticle) != 0));
 addTextLine("'t' Tensile " + ((flags & ParticleType.b2_tensileParticle) != 0));
 addTextLine("'v' Viscous " + ((flags & ParticleType.b2_viscousParticle) != 0));
}

代码示例来源：origin: jbox2d/jbox2d

void Break() {
 // Create two bodies from one.
 Body body1 = m_piece1.getBody();
 Vec2 center = body1.getWorldCenter();
 body1.destroyFixture(m_piece2);
 m_piece2 = null;
 BodyDef bd = new BodyDef();
 bd.type = BodyType.DYNAMIC;
 bd.position = body1.getPosition();
 bd.angle = body1.getAngle();
 Body body2 = getWorld().createBody(bd);
 m_piece2 = body2.createFixture(m_shape2, 1.0f);
 // Compute consistent velocities for new bodies based on
 // cached velocity.
 Vec2 center1 = body1.getWorldCenter();
 Vec2 center2 = body2.getWorldCenter();
 Vec2 velocity1 = m_velocity.add(Vec2.cross(m_angularVelocity, center1.sub(center)));
 Vec2 velocity2 = m_velocity.add(Vec2.cross(m_angularVelocity, center2.sub(center)));
 body1.setAngularVelocity(m_angularVelocity);
 body1.setLinearVelocity(velocity1);
 body2.setAngularVelocity(m_angularVelocity);
 body2.setLinearVelocity(velocity2);
}

代码示例来源：origin: jbox2d/jbox2d

@Override
public void keyPressed(char argKeyChar, int argKeyCode) {
 switch (argKeyChar) {
  case ',':
   if (m_bullet != null) {
    getWorld().destroyBody(m_bullet);
    m_bullet = null;
   }
   {
    CircleShape shape = new CircleShape();
    shape.m_radius = 0.25f;
    FixtureDef fd = new FixtureDef();
    fd.shape = shape;
    fd.density = 20.0f;
    fd.restitution = 0.05f;
    BodyDef bd = new BodyDef();
    bd.type = BodyType.DYNAMIC;
    bd.bullet = true;
    bd.position.set(-31.0f, 5.0f);
    m_bullet = getWorld().createBody(bd);
    m_bullet.createFixture(fd);
    m_bullet.setLinearVelocity(new Vec2(400.0f, 0.0f));
   }
   break;
 }
}

代码示例来源：origin: jbox2d/jbox2d

private void launchBomb(Vec2 position, Vec2 velocity) {
 if (bomb != null) {
  m_world.destroyBody(bomb);
  bomb = null;
 }
 // todo optimize this
 BodyDef bd = new BodyDef();
 bd.type = BodyType.DYNAMIC;
 bd.position.set(position);
 bd.bullet = true;
 bomb = m_world.createBody(bd);
 bomb.setLinearVelocity(velocity);
 CircleShape circle = new CircleShape();
 circle.m_radius = 0.3f;
 FixtureDef fd = new FixtureDef();
 fd.shape = circle;
 fd.density = 20f;
 fd.restitution = 0;
 Vec2 minV = new Vec2(position);
 Vec2 maxV = new Vec2(position);
 minV.subLocal(new Vec2(.3f, .3f));
 maxV.addLocal(new Vec2(.3f, .3f));
 aabb.lowerBound.set(minV);
 aabb.upperBound.set(maxV);
 bomb.createFixture(fd);
}

代码示例来源：origin: stackoverflow.com

private void add_Box_Face()
{

  float random_x = (float) (28 +  (int)(Math.random() * ((this.CAMERA_WIDTH - 28*2) + 1)));

  final Body rectangle_face_body;

  rectangle_face[this.mSpriteCounter] = new Sprite(random_x, y, this.mRectangleFaceTextureRegion, this.getVertexBufferObjectManager());

  rectangle_face_body = PhysicsFactory.createBoxBody(this.m_PhysicsWorld, rectangle_face[this.mSpriteCounter], BodyType.DynamicBody, this.BOX_FIXTURE_DEF);

  rectangle_face_body.setUserData("target");

  rectangle_face_body.setLinearVelocity(0, -5);

  this.m_PhysicsWorld.registerPhysicsConnector(new PhysicsConnector(rectangle_face[this.mSpriteCounter], rectangle_face_body, true, false));

  this.mscene.attachChild(rectangle_face[this.mSpriteCounter]);

}

代码示例来源：origin: stackoverflow.com

PhysicsWorld physicsWorld = new PhysicsWorld(new Vector2(10, 10), false);
 Rectangle test = new Rectangle(100, 100, 50, 50,
     getVertexBufferObjectManager());
 FixtureDef wallFixtureDef = PhysicsFactory
     .createFixtureDef(0, 0f, 0.5f);
 Body body = PhysicsFactory.createBoxBody(physicsWorld, test,
     BodyType.DynamicBody, wallFixtureDef);
 physicsWorld.registerPhysicsConnector(new PhysicsConnector(test, body));
 body.setLinearVelocity(100, 100);
 yourScene.registerUpdateHandler(physicsWorld);
 yourScene.attachChild(test);

代码示例来源：origin: jbox2d/jbox2d

m_body.setLinearVelocity(new Vec2(0.0f, -100.0f));
m_body.setAngularVelocity(m_angularVelocity);

代码示例来源：origin: jbox2d/jbox2d

Body b = getWorld().createBody(bd);
b.createFixture(fd);
b.setLinearVelocity(new Vec2(-25f, -25f));
b.setAngularVelocity(6.7f);
b = getWorld().createBody(bd);
b.createFixture(fd);
b.setLinearVelocity(new Vec2(35f, -10f));
b.setAngularVelocity(-8.3f);

代码示例来源：origin: org.jbox2d/jbox2d-testbed

private void dampenLiquid() {
  for (int i=0; i<liquid.length; ++i) {
    Body b = liquid[i];
    b.setLinearVelocity(b.getLinearVelocity().mul(0.995f));
  }
}

代码示例来源：origin: jbox2d/jbox2d

m_bullet.createFixture(box, 100.0f);
m_bullet.setLinearVelocity(new Vec2(0.0f, -50.0f));

代码示例来源：origin: jbox2d/jbox2d

m_character = body.createFixture(shape, 20.0f);
body.setLinearVelocity(new Vec2(0.0f, -50.0f));

代码示例来源：origin: org.jbox2d/jbox2d-testbed

public void launch() {
 m_body.setTransform(new Vec2(0.0f, 20.0f), 0.0f);
 m_angularVelocity = (float) Math.random() * 100 - 50;
 m_body.setLinearVelocity(new Vec2(0.0f, -100.0f));
 m_body.setAngularVelocity(m_angularVelocity);
}

代码示例来源：origin: jbox2d/jbox2d

body.setLinearVelocity(new Vec2(-8.0f * w, 0.0f));

代码示例来源：origin: jbox2d/jbox2d

shape.m_radius = 1;
body.createFixture(shape, 0.1f);
body.setLinearVelocity(new Vec2(-6, 0.0f));

内容来源于网络，如有侵权，请联系作者删除！

Body

相关文章

    查看更多

    热门标签

    更多
    JavaquerypythonNode开发语言requestUtil数据库Table后端算法LoggerMessageElementParser

    最新文章

    更多

    Body类方法

    • 蜀ICP备2022004421号-2 NULL123 https://www.null123.com © All rights reserved
    • 本站内容来源互联网,如果侵犯您的权益请联系我们删除, 联系方式：448109455@qq.com