Package eas.simulation.spatial.sim2D.physicalSimulation.physicsEngine.net.phys2d.math

Examples of eas.simulation.spatial.sim2D.physicalSimulation.physicsEngine.net.phys2d.math.Vector2f.lengthSquared()

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    dv.sub(body1.getVelocity());
    dv.sub(MathUtil.cross(body1.getAngularVelocity(),r1));
      dv.scale(-1);
      dv.add(bias); // TODO: is this baumgarte stabilization?
     
      if (dv.lengthSquared() == 0) {
        return;
      }
     
    Vector2f impulse = MathUtil.mul(M, dv);
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    dv.sub(body1.getVelocity());
    dv.sub(MathUtil.cross(body1.getAngularVelocity(),r1));
      dv.scale(-1);
      dv.add(bias);
     
      if (dv.lengthSquared() == 0) {
        return;
      }
     
    Vector2f impulse = MathUtil.mul(M, dv);
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    }
   
    Vector2f normal = endB; // reuse of vector object
    normal.set(startB);
    normal.sub(position);
    float distSquared = normal.lengthSquared();
    float radiusSquared = circle.getRadius() * circle.getRadius();
   
    if ( distSquared < radiusSquared ) {
      contacts[0].setPosition(position);
      contacts[0].setFeature(new FeaturePair());
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    }
   
    Vector2f normal = endB; // reuse of vector object
    normal.set(startB);
    normal.sub(position);
    float distSquared = normal.lengthSquared();
    float radiusSquared = circle.getRadius() * circle.getRadius();
   
    if ( distSquared < radiusSquared ) {
      contacts[0].setPosition(position);
      contacts[0].setFeature(new FeaturePair());
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    dv.sub(body1.getVelocity());
    dv.sub(MathUtil.cross(body1.getAngularVelocity(),r1));
      dv.scale(-1);
      dv.add(bias); // TODO: is this baumgarte stabilization?
     
      if (dv.lengthSquared() == 0) {
        return;
      }
     
    Vector2f impulse = MathUtil.mul(M, dv);
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    dv.sub(body1.getVelocity());
    dv.sub(MathUtil.cross(body1.getAngularVelocity(),r1));
      dv.scale(-1);
      dv.add(bias);
     
      if (dv.lengthSquared() == 0) {
        return;
      }
     
    Vector2f impulse = MathUtil.mul(M, dv);
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        startA.x + uA * (endA.x - startA.x),
        startA.y + uA * (endA.y - startA.y));
   
    Vector2f dist = new Vector2f(position);
    dist.sub(startA);
    float distFromVertA = dist.lengthSquared();
    dist = new Vector2f(position);
    dist.sub(startB);
    float distFromVertB = dist.lengthSquared();
   
    // z axis of 3d cross product
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    Vector2f dist = new Vector2f(position);
    dist.sub(startA);
    float distFromVertA = dist.lengthSquared();
    dist = new Vector2f(position);
    dist.sub(startB);
    float distFromVertB = dist.lengthSquared();
   
    // z axis of 3d cross product
    float sA = (startA.x - startB.x) * (endB.y - startB.y) - (endB.x - startB.x) * (startA.y - startB.y);
   
    if ( sA > 0 ) {
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