mirror of https://github.com/axmolengine/axmol.git
62 lines
2.8 KiB
C
62 lines
2.8 KiB
C
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/******************************************************************************
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* Spine Runtimes Software License v2.5
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*
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* Copyright (c) 2013-2016, Esoteric Software
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* All rights reserved.
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*
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* You are granted a perpetual, non-exclusive, non-sublicensable, and
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* non-transferable license to use, install, execute, and perform the Spine
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* Runtimes software and derivative works solely for personal or internal
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* use. Without the written permission of Esoteric Software (see Section 2 of
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* the Spine Software License Agreement), you may not (a) modify, translate,
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* adapt, or develop new applications using the Spine Runtimes or otherwise
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* create derivative works or improvements of the Spine Runtimes or (b) remove,
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* delete, alter, or obscure any trademarks or any copyright, trademark, patent,
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* or other intellectual property or proprietary rights notices on or in the
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* Software, including any copy thereof. Redistributions in binary or source
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* form must include this license and terms.
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*
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* THIS SOFTWARE IS PROVIDED BY ESOTERIC SOFTWARE "AS IS" AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL ESOTERIC SOFTWARE BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, BUSINESS INTERRUPTION, OR LOSS OF
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* USE, DATA, OR PROFITS) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
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* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*****************************************************************************/
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#include <spine/PointAttachment.h>
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#include <spine/extension.h>
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void _spPointAttachment_dispose (spAttachment* attachment) {
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spPathAttachment* self = SUB_CAST(spPathAttachment, attachment);
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_spVertexAttachment_deinit(SUPER(self));
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FREE(self);
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}
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spPointAttachment* spPointAttachment_create (const char* name) {
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spPointAttachment* self = NEW(spPointAttachment);
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_spVertexAttachment_init(SUPER(self));
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_spAttachment_init(SUPER(SUPER(self)), name, SP_ATTACHMENT_POINT, _spPointAttachment_dispose);
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return self;
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}
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void spPointAttachment_computeWorldPosition (spPointAttachment* self, spBone* bone, float* x, float* y) {
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*x = self->x * bone->a + self->y * bone->b + bone->worldX;
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*y = self->x * bone->c + self->y * bone->d + bone->worldY;
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}
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float spPointAttachment_computeWorldRotation (spPointAttachment* self, spBone* bone) {
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float cosine, sine, x, y;
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cosine = COS_DEG(self->rotation);
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sine = SIN_DEG(self->rotation);
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x = cosine * bone->a + sine * bone->b;
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y = cosine * bone->c + sine * bone->d;
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return ATAN2(y, x) * RAD_DEG;
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}
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