Package net.phys2d.math

Examples of net.phys2d.math.Vector2f.scale()

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    Vector2f impulse = new Vector2f(dp);
    impulse.scale(accumulatedImpulse);

    if (!body1.isStatic()) {
      Vector2f accum1 = new Vector2f(impulse);
      accum1.scale(-body1.getInvMass());
      body1.adjustVelocity(accum1);
      body1.adjustAngularVelocity(-(body1.getInvI() * MathUtil.cross(r1,
          impulse)));
    }

 
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          impulse)));
    }

    if (!body2.isStatic()) {
      Vector2f accum2 = new Vector2f(impulse);
      accum2.scale(body2.getInvMass());
      body2.adjustVelocity(accum2);
      body2.adjustAngularVelocity(body2.getInvI()
          * MathUtil.cross(r2, impulse));
    }
  }
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    float torq = (float) Math.asin(MathUtil.cross(ndp, V))
        * compressConstant / invDT;
    float P = torq / length;
    Vector2f n = new Vector2f(ndp.y, -ndp.x);
    Vector2f impulse = new Vector2f(n);
    impulse.scale(P);
    if (!body1.isStatic()) {
      Vector2f accum1 = new Vector2f(impulse);
      accum1.scale(body1.getInvMass());
      body1.adjustVelocity(accum1);
      body1.adjustAngularVelocity((body1.getInvI() * MathUtil.cross(dp,
 
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    Vector2f n = new Vector2f(ndp.y, -ndp.x);
    Vector2f impulse = new Vector2f(n);
    impulse.scale(P);
    if (!body1.isStatic()) {
      Vector2f accum1 = new Vector2f(impulse);
      accum1.scale(body1.getInvMass());
      body1.adjustVelocity(accum1);
      body1.adjustAngularVelocity((body1.getInvI() * MathUtil.cross(dp,
          impulse)));
    }
    if (!body2.isStatic()) {
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      body1.adjustAngularVelocity((body1.getInvI() * MathUtil.cross(dp,
          impulse)));
    }
    if (!body2.isStatic()) {
      Vector2f accum2 = new Vector2f(impulse);
      accum2.scale(-body2.getInvMass());
      body2.adjustVelocity(accum2);
      body2.adjustAngularVelocity(-(body2.getInvI() * MathUtil.cross(r2,
          impulse)));
    }
  }
 
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      if (b.isResting() && restingBodyDetection) {
        continue;
      }

      Vector2f temp = new Vector2f(b.getForce());
      temp.scale(b.getInvMass());
      if (b.getGravityEffected()) {
        temp.add(gravity);
      }
      temp.scale(dt);
     
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      Vector2f temp = new Vector2f(b.getForce());
      temp.scale(b.getInvMass());
      if (b.getGravityEffected()) {
        temp.add(gravity);
      }
      temp.scale(dt);
     
      b.adjustVelocity(temp);
     
      Vector2f damping = new Vector2f(b.getVelocity());
      damping.scale(-b.getDamping() * b.getInvMass());
 
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      temp.scale(dt);
     
      b.adjustVelocity(temp);
     
      Vector2f damping = new Vector2f(b.getVelocity());
      damping.scale(-b.getDamping() * b.getInvMass());
      b.adjustVelocity(damping);
     
      b.adjustAngularVelocity(dt * b.getInvI() * b.getTorque());
      b.adjustAngularVelocity(-b.getAngularVelocity() * b.getInvI() * b.getRotDamping());
    }
 
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    }
    P = newImpulse-accumulateImpulse;
    accumulateImpulse = newImpulse;
   
    Vector2f impulse = new Vector2f(ndp);
    impulse.scale(P);
   
    if (!body1.isStatic()) {
      Vector2f accum1 = new Vector2f(impulse);
      accum1.scale(body1.getInvMass());
      body1.adjustVelocity(accum1);
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    Vector2f impulse = new Vector2f(ndp);
    impulse.scale(P);
   
    if (!body1.isStatic()) {
      Vector2f accum1 = new Vector2f(impulse);
      accum1.scale(body1.getInvMass());
      body1.adjustVelocity(accum1);
      body1.adjustAngularVelocity((body1.getInvI() * MathUtil.cross(r1, impulse)));
    }
    if (!body2.isStatic()) {
      Vector2f accum2 = new Vector2f(impulse);
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