[SOLVED] X- Y- Laser Control with Joystick, Absolute vs. Incremental movement

Projects General Guidance
2 
const int XCenterVal = 512, YCenterVal = 512;  //  Values of pot input when centered
const int XpotSpeed = 200, YpotSpeed = 20;  // Scale value for controlling speed of movement (higher=slower)

  int XpotVal = analogRead(potpinX) - XCenterVal;
  int YpotVal = analogRead(potpinY) - YCenterVal;
  int servoAngleX = constrain(servoAngleX + (XpotVal/XpotSpeed), 180, 0);
  int servoAngleY = constrain(servoAngleY + (YpotVal/YpotSpeed), 180, 0);