[libgdx] Added an example for SkeletonActor.

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

@@ -0,0 +1,82 @@
+
+package com.esotericsoftware.spine;
+
+import com.badlogic.gdx.ApplicationAdapter;
+import com.badlogic.gdx.Gdx;
+import com.badlogic.gdx.backends.lwjgl3.Lwjgl3Application;
+import com.badlogic.gdx.graphics.GL20;
+import com.badlogic.gdx.graphics.g2d.TextureAtlas;
+import com.badlogic.gdx.scenes.scene2d.Stage;
+import com.badlogic.gdx.utils.viewport.ScreenViewport;
+
+import com.esotericsoftware.spine.Skeleton.Physics;
+import com.esotericsoftware.spine.utils.SkeletonActor;
+import com.esotericsoftware.spine.utils.TwoColorPolygonBatch;
+
+public class ActorTest extends ApplicationAdapter {
+	Stage stage;
+	TwoColorPolygonBatch batch;
+	SkeletonRenderer renderer;
+
+	TextureAtlas atlas;
+	Skeleton skeleton;
+	AnimationState state;
+	SkeletonActor skeletonActor;
+
+	public void create () {
+		batch = new TwoColorPolygonBatch();
+
+		stage = new Stage(new ScreenViewport(), batch);
+		Gdx.input.setInputProcessor(stage);
+
+		renderer = new SkeletonRenderer();
+		renderer.setPremultipliedAlpha(true);
+
+		atlas = new TextureAtlas(Gdx.files.internal("spineboy/spineboy-pma.atlas"));
+		SkeletonJson json = new SkeletonJson(atlas);
+		json.setScale(0.6f);
+		SkeletonData skeletonData = json.readSkeletonData(Gdx.files.internal("spineboy/spineboy-pro.json"));
+
+		skeleton = new Skeleton(skeletonData);
+
+		AnimationStateData stateData = new AnimationStateData(skeletonData);
+		stateData.setMix("run", "jump", 0.2f);
+		stateData.setMix("jump", "run", 0.2f);
+
+		state = new AnimationState(stateData);
+		state.setTimeScale(0.5f);
+		state.setAnimation(0, "run", true);
+		state.addAnimation(0, "jump", false, 2);
+		state.addAnimation(0, "run", true, 0);
+
+		skeletonActor = new SkeletonActor(renderer, skeleton, state);
+
+		stage.addActor(skeletonActor);
+		skeletonActor.setPosition(200, 50);
+	}
+
+	public void render () {
+		float delta = Gdx.graphics.getDeltaTime();
+		state.update(delta);
+
+		state.apply(skeleton);
+		skeleton.update(delta);
+		skeleton.updateWorldTransform(Physics.update);
+
+		Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);
+
+		stage.draw();
+	}
+
+	public void resize (int width, int height) {
+		stage.getViewport().update(width, height, true);
+	}
+
+	public void dispose () {
+		atlas.dispose();
+	}
+
+	public static void main (String[] args) throws Exception {
+		new Lwjgl3Application(new ActorTest());
+	}
+}