mirror of
https://github.com/EsotericSoftware/spine-runtimes.git
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88 lines
3.6 KiB
Haxe
88 lines
3.6 KiB
Haxe
/******************************************************************************
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* Spine Runtimes License Agreement
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* Last updated April 5, 2025. Replaces all prior versions.
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*
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* Copyright (c) 2013-2025, Esoteric Software LLC
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*
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* Integration of the Spine Runtimes into software or otherwise creating
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* derivative works of the Spine Runtimes is permitted under the terms and
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* conditions of Section 2 of the Spine Editor License Agreement:
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* http://esotericsoftware.com/spine-editor-license
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*
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* Otherwise, it is permitted to integrate the Spine Runtimes into software
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* or otherwise create derivative works of the Spine Runtimes (collectively,
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* "Products"), provided that each user of the Products must obtain their own
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* Spine Editor license and redistribution of the Products in any form must
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* include this license and copyright notice.
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*
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* THE SPINE RUNTIMES ARE PROVIDED BY ESOTERIC SOFTWARE LLC "AS IS" AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL ESOTERIC SOFTWARE LLC BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES,
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* BUSINESS INTERRUPTION, OR LOSS OF USE, DATA, OR PROFITS) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THE SPINE RUNTIMES, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*****************************************************************************/
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package spine.animation;
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import spine.Bone;
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import spine.Event;
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import spine.Skeleton;
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/** Changes a bone's local spine.Bone.x and spine.Bone.y. */
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class TranslateTimeline extends BoneTimeline2 {
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public function new(frameCount:Int, bezierCount:Int, boneIndex:Int) {
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super(frameCount, bezierCount, boneIndex, Property.x, Property.y);
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}
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public function apply1(pose:BoneLocal, setup:BoneLocal, time:Float, alpha:Float, blend:MixBlend, direction:MixDirection):Void {
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if (time < frames[0]) {
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switch (blend) {
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case MixBlend.setup:
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pose.x = setup.x;
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pose.y = setup.y;
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case MixBlend.first:
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pose.x += (setup.x - pose.x) * alpha;
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pose.y += (setup.y - pose.y) * alpha;
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}
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return;
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}
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var x:Float = 0, y:Float = 0;
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var i:Int = Timeline.search(frames, time, BoneTimeline2.ENTRIES);
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var curveType:Int = Std.int(curves[Std.int(i / BoneTimeline2.ENTRIES)]);
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switch (curveType) {
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case CurveTimeline.LINEAR:
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var before:Float = frames[i];
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x = frames[i + BoneTimeline2.VALUE1];
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y = frames[i + BoneTimeline2.VALUE2];
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var t:Float = (time - before) / (frames[i + BoneTimeline2.ENTRIES] - before);
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x += (frames[i + BoneTimeline2.ENTRIES + BoneTimeline2.VALUE1] - x) * t;
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y += (frames[i + BoneTimeline2.ENTRIES + BoneTimeline2.VALUE2] - y) * t;
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case CurveTimeline.STEPPED:
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x = frames[i + BoneTimeline2.VALUE1];
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y = frames[i + BoneTimeline2.VALUE2];
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default:
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x = getBezierValue(time, i, BoneTimeline2.VALUE1, curveType - CurveTimeline.BEZIER);
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y = getBezierValue(time, i, BoneTimeline2.VALUE2, curveType + CurveTimeline.BEZIER_SIZE - CurveTimeline.BEZIER);
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}
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switch (blend) {
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case MixBlend.setup:
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pose.x = setup.x + x * alpha;
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pose.y = setup.y + y * alpha;
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case MixBlend.first, MixBlend.replace:
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pose.x += (setup.x + x - pose.x) * alpha;
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pose.y += (setup.y + y - pose.y) * alpha;
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case MixBlend.add:
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pose.x += x * alpha;
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pose.y += y * alpha;
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}
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}
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}
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