Added bone plotting example.

spine-libgdx/spine-libgdx-tests/src/com/esotericsoftware/spine/BonePlotting.java

@@ -0,0 +1,75 @@
+/******************************************************************************
+ * 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;
+
+import com.badlogic.gdx.files.FileHandle;
+import com.esotericsoftware.spine.attachments.AttachmentLoader;
+import com.esotericsoftware.spine.attachments.BoundingBoxAttachment;
+import com.esotericsoftware.spine.attachments.MeshAttachment;
+import com.esotericsoftware.spine.attachments.RegionAttachment;
+import com.esotericsoftware.spine.attachments.SkinnedMeshAttachment;
+
+public class BonePlotting {
+	static public void main (String[] args) throws Exception {
+		// This example shows how to load skeleton data and plot a bone transform for each animation.
+		SkeletonJson json = new SkeletonJson(new AttachmentLoader() {
+			public SkinnedMeshAttachment newSkinnedMeshAttachment (Skin skin, String name, String path) {
+				return null;
+			}
+
+			public RegionAttachment newRegionAttachment (Skin skin, String name, String path) {
+				return null;
+			}
+
+			public MeshAttachment newMeshAttachment (Skin skin, String name, String path) {
+				return null;
+			}
+
+			public BoundingBoxAttachment newBoundingBoxAttachment (Skin skin, String name) {
+				return null;
+			}
+		});
+		SkeletonData skeletonData = json.readSkeletonData(new FileHandle("assets/spineboy/spineboy.json"));
+		Skeleton skeleton = new Skeleton(skeletonData);
+		Bone bone = skeleton.findBone("gunTip");
+		float fps = 1 / 15f;
+		for (Animation animation : skeletonData.getAnimations()) {
+			float time = 0;
+			while (time < animation.getDuration()) {
+				animation.apply(skeleton, time, time, false, null);
+				skeleton.updateWorldTransform();
+				System.out.println(animation.getName() + "," + bone.getWorldX() + "," + bone.getWorldY() + ","
+					+ bone.getWorldRotation() + "," + bone.getWorldScaleX() + "," + bone.getWorldScaleY());
+				time += fps;
+			}
+		}
+	}
+}