faceObjectBehavior.cs 2.1 KB

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  1. //-----------------------------------------------------------------------------
  2. // Copyright (c) 2013 GarageGames, LLC
  3. //
  4. // Permission is hereby granted, free of charge, to any person obtaining a copy
  5. // of this software and associated documentation files (the "Software"), to
  6. // deal in the Software without restriction, including without limitation the
  7. // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
  8. // sell copies of the Software, and to permit persons to whom the Software is
  9. // furnished to do so, subject to the following conditions:
  10. //
  11. // The above copyright notice and this permission notice shall be included in
  12. // all copies or substantial portions of the Software.
  13. //
  14. // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15. // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16. // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  17. // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  18. // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  19. // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  20. // IN THE SOFTWARE.
  21. //-----------------------------------------------------------------------------
  22. function FaceObjectBehavior::initialize(%this, %target, %turnSpeed, %rotationOffset)
  23. {
  24. %this.target = %target;
  25. %this.turnSpeed = %turnSpeed;
  26. %this.rotationOffset = %rotationOffset;
  27. }
  28. //-----------------------------------------------------------------------------
  29. function FaceObjectBehavior::onBehaviorAdd(%this)
  30. {
  31. %this.schedule(200, updateFace);
  32. }
  33. //-----------------------------------------------------------------------------
  34. function FaceObjectBehavior::updateFace(%this)
  35. {
  36. if (!isObject(%this.target) || !%this.owner.active)
  37. return;
  38. %origin = %this.owner.getPosition();
  39. %angle = mAtan( Vector2Sub( %this.target.getPosition(), %origin ) );
  40. if ( %this.turnSpeed > 0.0 )
  41. {
  42. %this.owner.rotateTo(%angle, %this.turnSpeed);
  43. }
  44. else
  45. {
  46. %this.owner.setAngle(%angle);
  47. }
  48. %this.schedule(200, updateFace);
  49. }