Package javax.vecmath

Examples of javax.vecmath.Vector2d.dot()

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              result.doesIntersect = false;

          // ===== 2. Now find if the polygons *will* intersect =====

          // Project the velocity on the current axis
          double velocityProjection = axis.dot(velocity);

          // Get the projection of polygon A during the movement
          if (velocityProjection < 0) {
              resA.min += velocityProjection;
          } else {
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            frictionalForce = -particles_[i].mass * params.getDynamicFriction();
            change_.scale( frictionalForce );

            // eliminate the frictional force in the spinal direction
            Vector2d spineDir = segment.getSpinalDirection();
            double dot = spineDir.dot( change_ );
            if ( dot < 0 ) {
                // then the velocity vector is going at least partially backwards
                // remove the backwards component.
                vel_.set( spineDir );
                vel_.scale( dot );
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