PointAttachment.cpp 2.9 KB

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  1. /******************************************************************************
  2. * Spine Runtimes License Agreement
  3. * Last updated January 1, 2020. Replaces all prior versions.
  4. *
  5. * Copyright (c) 2013-2020, Esoteric Software LLC
  6. *
  7. * Integration of the Spine Runtimes into software or otherwise creating
  8. * derivative works of the Spine Runtimes is permitted under the terms and
  9. * conditions of Section 2 of the Spine Editor License Agreement:
  10. * http://esotericsoftware.com/spine-editor-license
  11. *
  12. * Otherwise, it is permitted to integrate the Spine Runtimes into software
  13. * or otherwise create derivative works of the Spine Runtimes (collectively,
  14. * "Products"), provided that each user of the Products must obtain their own
  15. * Spine Editor license and redistribution of the Products in any form must
  16. * include this license and copyright notice.
  17. *
  18. * THE SPINE RUNTIMES ARE PROVIDED BY ESOTERIC SOFTWARE LLC "AS IS" AND ANY
  19. * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  20. * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  21. * DISCLAIMED. IN NO EVENT SHALL ESOTERIC SOFTWARE LLC BE LIABLE FOR ANY
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  23. * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES,
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  28. *****************************************************************************/
  29. #ifdef SPINE_UE4
  30. #include "SpinePluginPrivatePCH.h"
  31. #endif
  32. #include <spine/PointAttachment.h>
  33. #include <spine/Bone.h>
  34. #include <spine/MathUtil.h>
  35. using namespace spine;
  36. RTTI_IMPL(PointAttachment, Attachment)
  37. PointAttachment::PointAttachment(const String &name) : Attachment(name), _x(0), _y(0), _rotation(0) {
  38. }
  39. void PointAttachment::computeWorldPosition(Bone &bone, float &ox, float &oy) {
  40. bone.localToWorld(_x, _y, ox, oy);
  41. }
  42. float PointAttachment::computeWorldRotation(Bone &bone) {
  43. float cos = MathUtil::cosDeg(_rotation);
  44. float sin = MathUtil::sinDeg(_rotation);
  45. float ix = cos * bone._a + sin * bone._b;
  46. float iy = cos * bone._c + sin * bone._d;
  47. return MathUtil::atan2(iy, ix) * MathUtil::Rad_Deg;
  48. }
  49. float PointAttachment::getX() {
  50. return _x;
  51. }
  52. void PointAttachment::setX(float inValue) {
  53. _x = inValue;
  54. }
  55. float PointAttachment::getY() {
  56. return _y;
  57. }
  58. void PointAttachment::setY(float inValue) {
  59. _y = inValue;
  60. }
  61. float PointAttachment::getRotation() {
  62. return _rotation;
  63. }
  64. void PointAttachment::setRotation(float inValue) {
  65. _rotation = inValue;
  66. }
  67. Attachment* PointAttachment::copy() {
  68. PointAttachment* copy = new(__FILE__, __LINE__) PointAttachment(getName());
  69. copy->_x = _x;
  70. copy->_y = _y;
  71. copy->_rotation = _rotation;
  72. return copy;
  73. }