mirror of
https://github.com/EsotericSoftware/spine-runtimes.git
synced 2026-03-26 22:49:01 +08:00
101 lines
3.7 KiB
Java
101 lines
3.7 KiB
Java
/******************************************************************************
|
|
* 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.
|
|
*****************************************************************************/
|
|
|
|
package com.esotericsoftware.spine.attachments;
|
|
|
|
import com.esotericsoftware.spine.Slot;
|
|
|
|
import com.badlogic.gdx.graphics.g2d.TextureRegion;
|
|
import com.badlogic.gdx.math.MathUtils;
|
|
|
|
/** Attachment that displays various texture regions over time. */
|
|
public class RegionSequenceAttachment extends RegionAttachment {
|
|
private Mode mode;
|
|
private float frameTime;
|
|
private TextureRegion[] regions;
|
|
|
|
public RegionSequenceAttachment (String name) {
|
|
super(name);
|
|
}
|
|
|
|
public void updateWorldVertices (Slot slot, boolean premultipliedAlpha) {
|
|
if (regions == null) throw new IllegalStateException("Regions have not been set: " + this);
|
|
|
|
int frameIndex = (int)(slot.getAttachmentTime() / frameTime);
|
|
switch (mode) {
|
|
case forward:
|
|
frameIndex = Math.min(regions.length - 1, frameIndex);
|
|
break;
|
|
case forwardLoop:
|
|
frameIndex = frameIndex % regions.length;
|
|
break;
|
|
case pingPong:
|
|
frameIndex = frameIndex % (regions.length * 2);
|
|
if (frameIndex >= regions.length) frameIndex = regions.length - 1 - (frameIndex - regions.length);
|
|
break;
|
|
case random:
|
|
frameIndex = MathUtils.random(regions.length - 1);
|
|
break;
|
|
case backward:
|
|
frameIndex = Math.max(regions.length - frameIndex - 1, 0);
|
|
break;
|
|
case backwardLoop:
|
|
frameIndex = frameIndex % regions.length;
|
|
frameIndex = regions.length - frameIndex - 1;
|
|
break;
|
|
}
|
|
setRegion(regions[frameIndex]);
|
|
|
|
super.updateWorldVertices(slot, premultipliedAlpha);
|
|
}
|
|
|
|
public TextureRegion[] getRegions () {
|
|
if (regions == null) throw new IllegalStateException("Regions have not been set: " + this);
|
|
return regions;
|
|
}
|
|
|
|
public void setRegions (TextureRegion[] regions) {
|
|
this.regions = regions;
|
|
}
|
|
|
|
/** Sets the time in seconds each frame is shown. */
|
|
public void setFrameTime (float frameTime) {
|
|
this.frameTime = frameTime;
|
|
}
|
|
|
|
public void setMode (Mode mode) {
|
|
this.mode = mode;
|
|
}
|
|
|
|
static public enum Mode {
|
|
forward, backward, forwardLoop, backwardLoop, pingPong, random
|
|
}
|
|
}
|