mirror of
https://github.com/EsotericSoftware/spine-runtimes.git
synced 2026-02-04 22:34:53 +08:00
107 lines
3.2 KiB
Java
107 lines
3.2 KiB
Java
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package com.esotericsoftware.spine;
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import com.badlogic.gdx.ApplicationAdapter;
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import com.badlogic.gdx.Gdx;
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import com.badlogic.gdx.Input;
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import com.badlogic.gdx.backends.lwjgl.LwjglApplication;
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import com.badlogic.gdx.graphics.Color;
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import com.badlogic.gdx.graphics.OrthographicCamera;
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import com.badlogic.gdx.graphics.Pixmap;
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import com.badlogic.gdx.graphics.g2d.BitmapFont;
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import com.badlogic.gdx.graphics.g2d.TextureAtlas;
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import com.badlogic.gdx.graphics.g2d.TextureRegion;
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import com.badlogic.gdx.graphics.glutils.FrameBuffer;
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import com.badlogic.gdx.utils.ScreenUtils;
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import com.esotericsoftware.spine.utils.TwoColorPolygonBatch;
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public class FboTest extends ApplicationAdapter {
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OrthographicCamera camera;
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TwoColorPolygonBatch batch;
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SkeletonRenderer renderer;
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BitmapFont font;
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TextureAtlas atlas;
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Skeleton skeleton;
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FrameBuffer fbo;
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TextureRegion fboRegion;
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boolean drawFbo = true;
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public void create () {
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camera = new OrthographicCamera();
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batch = new TwoColorPolygonBatch();
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renderer = new SkeletonRenderer();
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renderer.setPremultipliedAlpha(true);
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font = new BitmapFont();
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font.setColor(Color.BLACK);
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// Load the atlas and skeleton.
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atlas = new TextureAtlas(Gdx.files.internal("spineboy/spineboy-pma.atlas"));
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SkeletonJson json = new SkeletonJson(atlas);
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json.setScale(0.66f);
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SkeletonData skeletonData = json.readSkeletonData(Gdx.files.internal("spineboy/spineboy-ess.json"));
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// Create a skeleton instance, set the position of its root bone, and update its world transform.
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skeleton = new Skeleton(skeletonData);
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skeleton.setPosition(250, 20);
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skeleton.updateWorldTransform();
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// Create an FBO and a texture region with Y flipped.
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fbo = new FrameBuffer(Pixmap.Format.RGBA8888, 512, 512, false);
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fboRegion = new TextureRegion(fbo.getColorBufferTexture());
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fboRegion.flip(false, true);
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// Configure the camera and batch for rendering to the FBO's size.
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camera.setToOrtho(false, fbo.getWidth(), fbo.getHeight());
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camera.update();
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batch.getProjectionMatrix().set(camera.combined);
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// Render the skeleton to the FBO.
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fbo.begin();
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ScreenUtils.clear(0, 0, 0, 0);
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batch.begin();
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renderer.draw(batch, skeleton);
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batch.end();
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fbo.end();
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// Configure the camera and batch for rendering to the screen's size.
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camera.setToOrtho(false, Gdx.graphics.getWidth(), Gdx.graphics.getHeight());
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camera.update();
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batch.getProjectionMatrix().set(camera.combined);
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}
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public void render () {
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ScreenUtils.clear(1, 1, 1, 1);
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batch.begin();
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if (drawFbo) {
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// Render the FBO color buffer texture to screen.
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batch.draw(fboRegion, 0, 0);
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} else {
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// Render the skeleton directly to the screen.
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renderer.draw(batch, skeleton);
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}
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font.draw(batch, drawFbo ? "Drawing FBO." : "Not drawing FBO.", 10, 10 + font.getCapHeight());
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batch.end();
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if (Gdx.input.justTouched() || Gdx.input.isKeyJustPressed(Input.Keys.SPACE)) {
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drawFbo = !drawFbo;
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Gdx.app.log("SpineFBOTest", "Using FBO: " + drawFbo);
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}
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}
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public void resize (int width, int height) {
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camera.setToOrtho(false, width, height);
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camera.update();
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batch.getProjectionMatrix().set(camera.combined);
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}
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static public void main (String[] args) throws Exception {
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new LwjglApplication(new FboTest());
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}
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}
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