mirror of
https://github.com/EsotericSoftware/spine-runtimes.git
synced 2026-02-06 07:14:55 +08:00
[c] Added SkeletonClipping and unit/leak test
This commit is contained in:
badlogic
parent
6a5e035cb5
commit
537f033dad
@ -1,4 +1,5 @@
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#include "MemoryTestFixture.h"
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#include <spine/extension.h>
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#include "MemoryTestFixture.h"
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#include "SpineEventMonitor.h"
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#include "spine/spine.h"
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@ -256,4 +257,84 @@ void MemoryTestFixture::triangulator() {
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spTriangulator_dispose(triangulator);
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}
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void MemoryTestFixture::skeletonClipper() {
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spSkeletonClipping* clipping = spSkeletonClipping_create();
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spBoneData* boneData = spBoneData_create(0, "bone", 0);
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spBone* bone = spBone_create(boneData, 0, 0);
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CONST_CAST(float, bone->a) = 1;
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CONST_CAST(float, bone->b) = 0;
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CONST_CAST(float, bone->c) = 0;
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CONST_CAST(float, bone->d) = 1;
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CONST_CAST(float, bone->worldX) = 0;
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CONST_CAST(float, bone->worldY) = 0;
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spSlotData* slotData = spSlotData_create(0, "slot", 0);
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spSlot* slot = spSlot_create(slotData, bone);
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spClippingAttachment* clip = spClippingAttachment_create("clipping");
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clip->endSlot = slotData;
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clip->super.worldVerticesLength = 4 * 2;
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clip->super.verticesCount = 4;
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clip->super.vertices = MALLOC(float, 4 * 8);
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clip->super.vertices[0] = 0;
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clip->super.vertices[1] = 50;
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clip->super.vertices[2] = 100;
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clip->super.vertices[3] = 50;
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clip->super.vertices[4] = 100;
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clip->super.vertices[5] = 70;
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clip->super.vertices[6] = 0;
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clip->super.vertices[7] = 70;
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spSkeletonClipping_clipStart(clipping, slot, clip);
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spFloatArray* vertices = spFloatArray_create(16);
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spFloatArray_add(vertices, 0);
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spFloatArray_add(vertices, 0);
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spFloatArray_add(vertices, 100);
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spFloatArray_add(vertices, 0);
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spFloatArray_add(vertices, 50);
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spFloatArray_add(vertices, 150);
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spFloatArray* uvs = spFloatArray_create(16);
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spFloatArray_add(uvs, 0);
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spFloatArray_add(uvs, 0);
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spFloatArray_add(uvs, 1);
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spFloatArray_add(uvs, 0);
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spFloatArray_add(uvs, 0.5f);
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spFloatArray_add(uvs, 1);
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spShortArray* indices = spShortArray_create(16);
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spShortArray_add(indices, 0);
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spShortArray_add(indices, 1);
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spShortArray_add(indices, 2);
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spSkeletonClipping_clipTriangles(clipping, vertices->items, vertices->size, indices->items, indices->size, uvs->items);
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float expectedVertices[8] = { 83.333328, 50.000000, 76.666664, 70.000000, 23.333334, 70.000000, 16.666672, 50.000000 };
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ASSERT(clipping->clippedVertices->size == 8);
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for (int i = 0; i < clipping->clippedVertices->size; i++) {
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ASSERT(ABS(clipping->clippedVertices->items[i] - expectedVertices[i]) < 0.001);
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}
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float expectedUVs[8] = { 0.833333f, 0.333333, 0.766667, 0.466667, 0.233333, 0.466667, 0.166667, 0.333333 };
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ASSERT(clipping->clippedUVs->size == 8);
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for (int i = 0; i < clipping->clippedUVs->size; i++) {
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ASSERT(ABS(clipping->clippedUVs->items[i] - expectedUVs[i]) < 0.001);
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}
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short expectedIndices[6] = { 0, 1, 2, 0, 2, 3 };
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ASSERT(clipping->clippedTriangles->size == 6);
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for (int i = 0; i < clipping->clippedTriangles->size; i++) {
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ASSERT(clipping->clippedTriangles->items[i] == expectedIndices[i]);
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}
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spFloatArray_dispose(vertices);
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spFloatArray_dispose(uvs);
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spShortArray_dispose(indices);
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spSlotData_dispose(slotData);
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spSlot_dispose(slot);
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spBoneData_dispose(boneData);
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spBone_dispose(bone);
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_spClippingAttachment_dispose(SUPER(SUPER(clip)));
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spSkeletonClipping_dispose(clipping);
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}
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@ -19,6 +19,7 @@ public:
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TEST_CASE(reproduceIssue_777);
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TEST_CASE(reproduceIssue_Loop);
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TEST_CASE(triangulator);
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TEST_CASE(skeletonClipper);
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initialize();
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}
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@ -33,6 +34,7 @@ public:
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void reproduceIssue_777();
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void reproduceIssue_Loop(); // http://esotericsoftware.com/forum/spine-c-3-5-animation-jerking-7451
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void triangulator();
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void skeletonClipper();
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//////////////////////////////////////////////////////////////////////////
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// test fixture setup
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@ -43,6 +43,8 @@ extern "C" {
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name* name##_setSize(name* self, int newSize); \
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void name##_ensureCapacity(name* self, int newCapacity); \
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void name##_add(name* self, itemType value); \
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void name##_addAll(name* self, name* other); \
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void name##_addAllValues(name* self, itemType* values, int offset, int count); \
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void name##_removeAt(name* self, int index); \
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int name##_contains(name* self, itemType value); \
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itemType name##_pop(name* self); \
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@ -89,6 +91,12 @@ extern "C" {
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name##_add(self, other->items[i]); \
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} \
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} \
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void name##_addAllValues(name* self, itemType* values, int offset, int count) { \
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int i = offset, n = offset + count; \
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for (; i < n; i++) { \
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name##_add(self, values[i]); \
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} \
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} \
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void name##_removeAt(name* self, int index) { \
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self->size--; \
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memmove(self->items + index, self->items + index + 1, sizeof(itemType) * (self->size - index)); \
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@ -45,6 +45,7 @@ typedef struct spClippingAttachment {
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spSlotData* endSlot;
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} spClippingAttachment;
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void _spClippingAttachment_dispose(spAttachment* self);
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spClippingAttachment* spClippingAttachment_create (const char* name);
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#ifdef SPINE_SHORT_NAMES
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67
spine-c/spine-c/include/spine/SkeletonClipping.h
Normal file
67
spine-c/spine-c/include/spine/SkeletonClipping.h
Normal file
@ -0,0 +1,67 @@
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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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#ifndef SPINE_SKELETONCLIPPING_H
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#define SPINE_SKELETONCLIPPING_H
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#include <spine/Array.h>
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#include <spine/ClippingAttachment.h>
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#include <spine/Slot.h>
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#include <spine/Triangulator.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct spSkeletonClipping {
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spTriangulator* triangulator;
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spFloatArray* clippingPolygon;
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spFloatArray* clipOutput;
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spFloatArray* clippedVertices;
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spFloatArray* clippedUVs;
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spShortArray* clippedTriangles;
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spFloatArray* scratch;
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spClippingAttachment* clipAttachment;
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spArrayFloatArray* clippingPolygons;
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} spSkeletonClipping;
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spSkeletonClipping* spSkeletonClipping_create();
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int spSkeletonClipping_clipStart(spSkeletonClipping* self, spSlot* slot, spClippingAttachment* clip);
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void spSkeletonClipping_clipEnd(spSkeletonClipping* self, spSlot* slot);
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void spSkeletonClipping_clipEnd2(spSkeletonClipping* self);
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int /*boolean*/ spSkeletonClipping_isClipping(spSkeletonClipping* self);
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void spSkeletonClipping_clipTriangles(spSkeletonClipping* self, float* vertices, int verticesLength, short* triangles, int trianglesLength, float* uvs);
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void spSkeletonClipping_dispose(spSkeletonClipping* self);
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#ifdef __cplusplus
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}
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#endif
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#endif /* SPINE_SKELETONCLIPPING_H */
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@ -54,7 +54,7 @@
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#include <spine/Skin.h>
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#include <spine/Slot.h>
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#include <spine/SlotData.h>
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#include <spine/Triangulator.h>
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#include <spine/SkeletonClipping.h>
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#include <spine/Event.h>
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#include <spine/EventData.h>
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312
spine-c/spine-c/src/spine/SkeletonClipping.c
Normal file
312
spine-c/spine-c/src/spine/SkeletonClipping.c
Normal file
@ -0,0 +1,312 @@
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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/SkeletonClipping.h>
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#include <spine/extension.h>
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spSkeletonClipping* spSkeletonClipping_create() {
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spSkeletonClipping* clipping = CALLOC(spSkeletonClipping, 1);
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clipping->triangulator = spTriangulator_create();
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clipping->clippingPolygon = spFloatArray_create(128);
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clipping->clipOutput = spFloatArray_create(128);
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clipping->clippedVertices = spFloatArray_create(128);
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clipping->clippedUVs = spFloatArray_create(128);
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clipping->clippedTriangles = spShortArray_create(128);
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clipping->scratch = spFloatArray_create(128);
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return clipping;
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}
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void spSkeletonClipping_dispose(spSkeletonClipping* self) {
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spTriangulator_dispose(self->triangulator);
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spFloatArray_dispose(self->clippingPolygon);
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spFloatArray_dispose(self->clipOutput);
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spFloatArray_dispose(self->clippedVertices);
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spFloatArray_dispose(self->clippedUVs);
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spShortArray_dispose(self->clippedTriangles);
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spFloatArray_dispose(self->scratch);
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FREE(self);
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}
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static void _makeClockwise (spFloatArray* polygon) {
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int i, n, lastX;
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float* vertices = polygon->items;
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int verticeslength = polygon->size;
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float area = vertices[verticeslength - 2] * vertices[1] - vertices[0] * vertices[verticeslength - 1], p1x, p1y, p2x, p2y;
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for (i = 0, n = verticeslength - 3; i < n; i += 2) {
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p1x = vertices[i];
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p1y = vertices[i + 1];
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p2x = vertices[i + 2];
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p2y = vertices[i + 3];
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area += p1x * p2y - p2x * p1y;
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}
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if (area < 0) return;
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for (i = 0, lastX = verticeslength - 2, n = verticeslength >> 1; i < n; i += 2) {
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float x = vertices[i], y = vertices[i + 1];
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int other = lastX - i;
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vertices[i] = vertices[other];
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vertices[i + 1] = vertices[other + 1];
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vertices[other] = x;
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vertices[other + 1] = y;
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}
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}
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int spSkeletonClipping_clipStart(spSkeletonClipping* self, spSlot* slot, spClippingAttachment* clip) {
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int i, n;
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float* vertices;
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if (self->clipAttachment) return 0;
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self->clipAttachment = clip;
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n = clip->super.worldVerticesLength;
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vertices = spFloatArray_setSize(self->clippingPolygon, n)->items;
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spVertexAttachment_computeWorldVertices(SUPER(clip), slot, 0, n, vertices, 0, 2);
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_makeClockwise(self->clippingPolygon);
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self->clippingPolygons = spTriangulator_decompose(self->triangulator, self->clippingPolygon, spTriangulator_triangulate(self->triangulator, self->clippingPolygon));
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for (i = 0, n = self->clippingPolygons->size; i < n; i++) {
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spFloatArray* polygon = self->clippingPolygons->items[i];
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_makeClockwise(polygon);
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spFloatArray_add(polygon, polygon->items[0]);
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spFloatArray_add(polygon, polygon->items[1]);
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}
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return self->clippingPolygons->size;
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}
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void spSkeletonClipping_clipEnd(spSkeletonClipping* self, spSlot* slot) {
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if (self->clipAttachment != 0 && self->clipAttachment->endSlot == slot->data) spSkeletonClipping_clipEnd2(self);
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}
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void spSkeletonClipping_clipEnd2(spSkeletonClipping* self) {
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if (!self->clipAttachment) return;
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self->clipAttachment = 0;
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self->clippingPolygons = 0;
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spFloatArray_clear(self->clippedVertices);
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spFloatArray_clear(self->clippedUVs);
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spShortArray_clear(self->clippedTriangles);
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spFloatArray_clear(self->clippingPolygon);
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}
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int /*boolean*/ spSkeletonClipping_isClipping(spSkeletonClipping* self) {
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return self->clipAttachment != 0;
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}
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int /*boolean*/ _clip(spSkeletonClipping* self, float x1, float y1, float x2, float y2, float x3, float y3, spFloatArray* clippingArea, spFloatArray* output) {
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int i;
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spFloatArray* originalOutput = output;
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int clipped = 0;
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float* clippingVertices;
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int clippingVerticesLast;
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spFloatArray* input = 0;
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if (clippingArea->size % 4 >= 2) {
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input = output;
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output = self->scratch;
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} else
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input = self->scratch;
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spFloatArray_clear(input);
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spFloatArray_add(input, x1);
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spFloatArray_add(input, y1);
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spFloatArray_add(input, x2);
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spFloatArray_add(input, y2);
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spFloatArray_add(input, x3);
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spFloatArray_add(input, y3);
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spFloatArray_add(input, x1);
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spFloatArray_add(input, y1);
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spFloatArray_clear(output);
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clippingVertices = clippingArea->items;
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clippingVerticesLast = clippingArea->size - 4;
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for (i = 0;; i += 2) {
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int ii;
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spFloatArray* temp;
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float edgeX = clippingVertices[i], edgeY = clippingVertices[i + 1];
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float edgeX2 = clippingVertices[i + 2], edgeY2 = clippingVertices[i + 3];
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float deltaX = edgeX - edgeX2, deltaY = edgeY - edgeY2;
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float* inputVertices = input->items;
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int inputVerticesLength = input->size - 2, outputStart = output->size;
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for (ii = 0; ii < inputVerticesLength; ii += 2) {
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float inputX = inputVertices[ii], inputY = inputVertices[ii + 1];
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float inputX2 = inputVertices[ii + 2], inputY2 = inputVertices[ii + 3];
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int side2 = deltaX * (inputY2 - edgeY2) - deltaY * (inputX2 - edgeX2) > 0;
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if (deltaX * (inputY - edgeY2) - deltaY * (inputX - edgeX2) > 0) {
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float c0, c2;
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float ua;
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if (side2) {
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spFloatArray_add(output, inputX2);
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spFloatArray_add(output, inputY2);
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continue;
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}
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c0 = inputY2 - inputY, c2 = inputX2 - inputX;
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ua = (c2 * (edgeY - inputY) - c0 * (edgeX - inputX)) / (c0 * (edgeX2 - edgeX) - c2 * (edgeY2 - edgeY));
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spFloatArray_add(output, edgeX + (edgeX2 - edgeX) * ua);
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spFloatArray_add(output, edgeY + (edgeY2 - edgeY) * ua);
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} else if (side2) {
|
||||
float c0 = inputY2 - inputY, c2 = inputX2 - inputX;
|
||||
float ua = (c2 * (edgeY - inputY) - c0 * (edgeX - inputX)) / (c0 * (edgeX2 - edgeX) - c2 * (edgeY2 - edgeY));
|
||||
spFloatArray_add(output, edgeX + (edgeX2 - edgeX) * ua);
|
||||
spFloatArray_add(output, edgeY + (edgeY2 - edgeY) * ua);
|
||||
spFloatArray_add(output, inputX2);
|
||||
spFloatArray_add(output, inputY2);
|
||||
}
|
||||
clipped = 1;
|
||||
}
|
||||
|
||||
if (outputStart == output->size) {
|
||||
spFloatArray_clear(originalOutput);
|
||||
return 1;
|
||||
}
|
||||
|
||||
spFloatArray_add(output, output->items[0]);
|
||||
spFloatArray_add(output, output->items[1]);
|
||||
|
||||
if (i == clippingVerticesLast) break;
|
||||
temp = output;
|
||||
output = input;
|
||||
spFloatArray_clear(output);
|
||||
input = temp;
|
||||
}
|
||||
|
||||
if (originalOutput != output) {
|
||||
spFloatArray_clear(originalOutput);
|
||||
spFloatArray_addAllValues(originalOutput, output->items, 0, output->size - 2);
|
||||
} else
|
||||
spFloatArray_setSize(originalOutput, originalOutput->size - 2);
|
||||
|
||||
return clipped;
|
||||
}
|
||||
|
||||
void spSkeletonClipping_clipTriangles(spSkeletonClipping* self, float* vertices, int verticesLength, short* triangles, int trianglesLength, float* uvs) {
|
||||
int i;
|
||||
spFloatArray* clipOutput = self->clipOutput;
|
||||
spFloatArray* clippedVertices = self->clippedVertices;
|
||||
spFloatArray* clippedUVs = self->clippedUVs;
|
||||
spShortArray* clippedTriangles = self->clippedTriangles;
|
||||
spFloatArray** polygons = self->clippingPolygons->items;
|
||||
int polygonsCount = self->clippingPolygons->size;
|
||||
int vertexSize = 2;
|
||||
|
||||
short index = 0;
|
||||
spFloatArray_clear(clippedVertices);
|
||||
spFloatArray_clear(clippedUVs);
|
||||
spShortArray_clear(clippedTriangles);
|
||||
outer:
|
||||
for (i = 0; i < trianglesLength; i += 3) {
|
||||
int p;
|
||||
int vertexOffset = triangles[i] << 1;
|
||||
float x2, y2, u2, v2, x3, y3, u3, v3;
|
||||
float x1 = vertices[vertexOffset], y1 = vertices[vertexOffset + 1];
|
||||
float u1 = uvs[vertexOffset], v1 = uvs[vertexOffset + 1];
|
||||
|
||||
vertexOffset = triangles[i + 1] << 1;
|
||||
x2 = vertices[vertexOffset]; y2 = vertices[vertexOffset + 1];
|
||||
u2 = uvs[vertexOffset]; v2 = uvs[vertexOffset + 1];
|
||||
|
||||
vertexOffset = triangles[i + 2] << 1;
|
||||
x3 = vertices[vertexOffset]; y3 = vertices[vertexOffset + 1];
|
||||
u3 = uvs[vertexOffset]; v3 = uvs[vertexOffset + 1];
|
||||
|
||||
for (p = 0; p < polygonsCount; p++) {
|
||||
int s = clippedVertices->size;
|
||||
if (_clip(self, x1, y1, x2, y2, x3, y3, polygons[p], clipOutput)) {
|
||||
int ii;
|
||||
float d0, d1, d2, d4, d;
|
||||
short* clippedTrianglesItems;
|
||||
int clipOutputCount;
|
||||
float* clipOutputItems;
|
||||
float* clippedVerticesItems;
|
||||
float* clippedUVsItems;
|
||||
|
||||
int clipOutputLength = clipOutput->size;
|
||||
if (clipOutputLength == 0) continue;
|
||||
d0 = y2 - y3; d1 = x3 - x2; d2 = x1 - x3; d4 = y3 - y1;
|
||||
d = 1 / (d0 * d2 + d1 * (y1 - y3));
|
||||
|
||||
clipOutputCount = clipOutputLength >> 1;
|
||||
clipOutputItems = clipOutput->items;
|
||||
clippedVerticesItems = spFloatArray_setSize(clippedVertices, s + clipOutputCount * vertexSize)->items;
|
||||
clippedUVsItems = spFloatArray_setSize(clippedUVs, s + clipOutputCount * vertexSize)->items;
|
||||
for (ii = 0; ii < clipOutputLength; ii += 2) {
|
||||
float c0, c1, a, b, c;
|
||||
float x = clipOutputItems[ii], y = clipOutputItems[ii + 1];
|
||||
clippedVerticesItems[s] = x;
|
||||
clippedVerticesItems[s + 1] = y;
|
||||
c0 = x - x3; c1 = y - y3;
|
||||
a = (d0 * c0 + d1 * c1) * d;
|
||||
b = (d4 * c0 + d2 * c1) * d;
|
||||
c = 1 - a - b;
|
||||
clippedUVsItems[s] = u1 * a + u2 * b + u3 * c;
|
||||
clippedUVsItems[s + 1] = v1 * a + v2 * b + v3 * c;
|
||||
s += 2;
|
||||
}
|
||||
|
||||
s = clippedTriangles->size;
|
||||
clippedTrianglesItems = spShortArray_setSize(clippedTriangles, s + 3 * (clipOutputCount - 2))->items;
|
||||
clipOutputCount--;
|
||||
for (ii = 1; ii < clipOutputCount; ii++) {
|
||||
clippedTrianglesItems[s] = index;
|
||||
clippedTrianglesItems[s + 1] = (short)(index + ii);
|
||||
clippedTrianglesItems[s + 2] = (short)(index + ii + 1);
|
||||
s += 3;
|
||||
}
|
||||
index += clipOutputCount + 1;
|
||||
|
||||
} else {
|
||||
short* clippedTrianglesItems;
|
||||
float* clippedVerticesItems = spFloatArray_setSize(clippedVertices, s + 3 * vertexSize)->items;
|
||||
float* clippedUVsItems = spFloatArray_setSize(clippedUVs, s + 3 * vertexSize)->items;
|
||||
clippedVerticesItems[s] = x1;
|
||||
clippedVerticesItems[s + 1] = y1;
|
||||
clippedVerticesItems[s + 2] = x2;
|
||||
clippedVerticesItems[s + 3] = y2;
|
||||
clippedVerticesItems[s + 4] = x3;
|
||||
clippedVerticesItems[s + 5] = y3;
|
||||
|
||||
clippedUVsItems[s] = u1;
|
||||
clippedUVsItems[s + 1] = v1;
|
||||
clippedUVsItems[s + 2] = u2;
|
||||
clippedUVsItems[s + 3] = v2;
|
||||
clippedUVsItems[s + 4] = u3;
|
||||
clippedUVsItems[s + 5] = v3;
|
||||
|
||||
s = clippedTriangles->size;
|
||||
clippedTrianglesItems = spShortArray_setSize(clippedTriangles, s + 3)->items;
|
||||
clippedTrianglesItems[s] = index;
|
||||
clippedTrianglesItems[s + 1] = (short)(index + 1);
|
||||
clippedTrianglesItems[s + 2] = (short)(index + 2);
|
||||
index += 3;
|
||||
goto outer;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -231,11 +231,9 @@ spArrayFloatArray* spTriangulator_decompose(spTriangulator* self, spFloatArray*
|
||||
spArrayShortArray_clear(convexPolygonsIndices);
|
||||
|
||||
polygonIndices = _obtainPolygonIndices(self);
|
||||
printf("Obtained indices 0x%x\n", polygonIndices);
|
||||
spShortArray_clear(polygonIndices);
|
||||
|
||||
polygon = _obtainPolygon(self);
|
||||
printf("Obtained polygon 0x%x\n", polygon);
|
||||
spFloatArray_clear(polygon);
|
||||
|
||||
fanBaseIndex = -1; lastWinding = 0;
|
||||
@ -264,9 +262,11 @@ spArrayFloatArray* spTriangulator_decompose(spTriangulator* self, spFloatArray*
|
||||
if (polygon->size > 0) {
|
||||
spArrayFloatArray_add(convexPolygons, polygon);
|
||||
spArrayShortArray_add(convexPolygonsIndices, polygonIndices);
|
||||
} else {
|
||||
_freePolygon(self, polygon);
|
||||
_freePolygonIndices(self, polygonIndices);
|
||||
}
|
||||
polygon = _obtainPolygon(self);
|
||||
printf("Obtained polygon #2 0x%x\n", polygon);
|
||||
spFloatArray_clear(polygon);
|
||||
spFloatArray_add(polygon, x1);
|
||||
spFloatArray_add(polygon, y1);
|
||||
@ -275,7 +275,6 @@ spArrayFloatArray* spTriangulator_decompose(spTriangulator* self, spFloatArray*
|
||||
spFloatArray_add(polygon, x3);
|
||||
spFloatArray_add(polygon, y3);
|
||||
polygonIndices = _obtainPolygonIndices(self);
|
||||
printf("Obtained indices #2 0x%x\n", polygonIndices);
|
||||
spShortArray_clear(polygonIndices);
|
||||
spShortArray_add(polygonIndices, t1);
|
||||
spShortArray_add(polygonIndices, t2);
|
||||
@ -352,6 +351,9 @@ spArrayFloatArray* spTriangulator_decompose(spTriangulator* self, spFloatArray*
|
||||
if (polygon->size == 0) {
|
||||
spArrayFloatArray_removeAt(convexPolygons, i);
|
||||
_freePolygon(self, polygon);
|
||||
polygonIndices = convexPolygonsIndices->items[i];
|
||||
spArrayShortArray_removeAt(convexPolygonsIndices, i);
|
||||
_freePolygonIndices(self, polygonIndices);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
@ -33,7 +33,12 @@ package com.esotericsoftware.spine.utils;
|
||||
import com.badlogic.gdx.utils.Array;
|
||||
import com.badlogic.gdx.utils.FloatArray;
|
||||
import com.badlogic.gdx.utils.ShortArray;
|
||||
import com.esotericsoftware.spine.Bone;
|
||||
import com.esotericsoftware.spine.BoneData;
|
||||
import com.esotericsoftware.spine.Skeleton;
|
||||
import com.esotericsoftware.spine.SkeletonData;
|
||||
import com.esotericsoftware.spine.Slot;
|
||||
import com.esotericsoftware.spine.SlotData;
|
||||
import com.esotericsoftware.spine.attachments.ClippingAttachment;
|
||||
|
||||
public class SkeletonClipping {
|
||||
|
||||
@ -277,15 +277,4 @@ class Triangulator {
|
||||
float px = p2x - p1x, py = p2y - p1y;
|
||||
return p3x * py - p3y * px + px * p1y - p1x * py >= 0 ? 1 : -1;
|
||||
}
|
||||
|
||||
public static void main (String[] args) {
|
||||
Triangulator triangulator = new Triangulator();
|
||||
FloatArray polygon = new FloatArray();
|
||||
polygon.addAll(0, 0, 100, 0, 100, 100, 0, 100);
|
||||
ShortArray triangles = triangulator.triangulate(polygon);
|
||||
System.out.println(triangles);
|
||||
|
||||
Array<FloatArray> polys = triangulator.decompose(polygon, triangles);
|
||||
System.out.println(polys);
|
||||
}
|
||||
}
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user