axmol/cocos/editor-support/spine/BoundingBoxAttachment.c

61 lines
2.7 KiB
C

/******************************************************************************
* Spine Runtimes Software License
* Version 2.1
*
* Copyright (c) 2013, Esoteric Software
* All rights reserved.
*
* You are granted a perpetual, non-exclusive, non-sublicensable and
* non-transferable license to install, execute and perform the Spine Runtimes
* Software (the "Software") solely for internal use. Without the written
* permission of Esoteric Software (typically granted by licensing Spine), you
* may not (a) modify, translate, adapt or otherwise create derivative works,
* improvements of the Software or develop new applications using the Software
* or (b) remove, delete, alter or obscure any trademarks or any copyright,
* trademark, patent or other intellectual property or proprietary rights
* notices on or in the Software, including any copy thereof. Redistributions
* in binary or source form must include this license and terms.
*
* THIS SOFTWARE IS PROVIDED BY ESOTERIC SOFTWARE "AS IS" AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
* EVENT SHALL ESOTERIC SOFTARE BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*****************************************************************************/
#include <spine/BoundingBoxAttachment.h>
#include <spine/extension.h>
void _spBoundingBoxAttachment_dispose (spAttachment* attachment) {
spBoundingBoxAttachment* self = SUB_CAST(spBoundingBoxAttachment, attachment);
_spAttachment_deinit(attachment);
FREE(self->vertices);
FREE(self);
}
spBoundingBoxAttachment* spBoundingBoxAttachment_create (const char* name) {
spBoundingBoxAttachment* self = NEW(spBoundingBoxAttachment);
_spAttachment_init(SUPER(self), name, SP_ATTACHMENT_BOUNDING_BOX, _spBoundingBoxAttachment_dispose);
return self;
}
void spBoundingBoxAttachment_computeWorldVertices (spBoundingBoxAttachment* self, spBone* bone, float* worldVertices) {
int i;
float px, py;
float* vertices = self->vertices;
float x = bone->skeleton->x + bone->worldX, y = bone->skeleton->y + bone->worldY;
for (i = 0; i < self->verticesCount; i += 2) {
px = vertices[i];
py = vertices[i + 1];
worldVertices[i] = px * bone->m00 + py * bone->m01 + x;
worldVertices[i + 1] = px * bone->m10 + py * bone->m11 + y;
}
}