Java tutorial
/******************************************************************************* * Copyright 2013 pyros2097 * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. ******************************************************************************/ package scene3d.demo; import scene3d.Actor3d; import scene3d.Camera3d; import scene3d.Group3d; import scene3d.Stage3d; import scene3d.actions.Actions3d; import com.badlogic.gdx.ApplicationListener; import com.badlogic.gdx.Gdx; import com.badlogic.gdx.InputMultiplexer; import com.badlogic.gdx.math.MathUtils; import com.badlogic.gdx.scenes.scene2d.InputEvent; import com.badlogic.gdx.scenes.scene2d.Touchable; import com.badlogic.gdx.Input.Keys; import com.badlogic.gdx.assets.AssetManager; import com.badlogic.gdx.backends.lwjgl.LwjglApplication; import com.badlogic.gdx.backends.lwjgl.LwjglApplicationConfiguration; import com.badlogic.gdx.graphics.Color; import com.badlogic.gdx.graphics.GL10; import com.badlogic.gdx.graphics.GL20; import com.badlogic.gdx.graphics.Texture; import com.badlogic.gdx.graphics.VertexAttributes.Usage; import com.badlogic.gdx.graphics.g3d.Material; import com.badlogic.gdx.graphics.g3d.Model; import com.badlogic.gdx.graphics.g3d.attributes.ColorAttribute; import com.badlogic.gdx.graphics.g3d.attributes.TextureAttribute; import com.badlogic.gdx.graphics.g3d.utils.CameraInputController; import com.badlogic.gdx.graphics.g3d.utils.MeshPartBuilder; import com.badlogic.gdx.graphics.g3d.utils.ModelBuilder; import com.badlogic.gdx.scenes.scene2d.Stage; import com.badlogic.gdx.scenes.scene2d.ui.Label; import com.badlogic.gdx.scenes.scene2d.ui.Skin; import com.badlogic.gdx.scenes.scene2d.InputListener; public class Scene3dDemo implements ApplicationListener { Stage3d stage3d; Stage stage2d; Skin skin; ModelBuilder modelBuilder; CameraInputController camController; Model model, model2, model3; Actor3d knight, actor2, actor3, floor, skydome; Group3d group3d; Label fpsLabel; Label visibleLabel; Label positionLabel; Label rotationLabel; Label positionCameraLabel; Label rotationCameraLabel; public static void main(String[] argc) { LwjglApplicationConfiguration cfg = new LwjglApplicationConfiguration(); cfg.audioDeviceBufferCount = 20; cfg.title = "Stage3d Test"; cfg.useGL20 = false; cfg.width = 852; cfg.height = 480; new LwjglApplication(new Scene3dDemo(), cfg); } boolean rightKey, leftKey, upKey, downKey, spaceKey; @Override public void create() { //2d stuff stage2d = new Stage(); skin = new Skin(Gdx.files.internal("skin/uiskin.json")); fpsLabel = new Label("ff", skin); fpsLabel.setPosition(Gdx.graphics.getWidth() - 260, Gdx.graphics.getHeight() - 40); visibleLabel = new Label("ff", skin); visibleLabel.setPosition(Gdx.graphics.getWidth() - 260, Gdx.graphics.getHeight() - 60); positionLabel = new Label("Position", skin); positionLabel.setPosition(Gdx.graphics.getWidth() - 260, Gdx.graphics.getHeight() - 80); rotationLabel = new Label("Rotation", skin); rotationLabel.setPosition(Gdx.graphics.getWidth() - 260, Gdx.graphics.getHeight() - 100); positionCameraLabel = new Label("Position", skin); positionCameraLabel.setPosition(20, Gdx.graphics.getHeight() - 40); rotationCameraLabel = new Label("Rotation", skin); rotationCameraLabel.setPosition(20, Gdx.graphics.getHeight() - 60); stage2d.addActor(fpsLabel); stage2d.addActor(visibleLabel); stage2d.addActor(positionLabel); stage2d.addActor(rotationLabel); stage2d.addActor(positionCameraLabel); stage2d.addActor(rotationCameraLabel); stage2d.addListener(new InputListener() { @Override public boolean keyUp(InputEvent event, int keycode) { if (keycode == Keys.LEFT) leftKey = false; if (keycode == Keys.RIGHT) rightKey = false; if (keycode == Keys.UP) upKey = false; if (keycode == Keys.DOWN) downKey = false; if (keycode == Keys.SPACE) spaceKey = false; return super.keyUp(event, keycode); } @Override public boolean keyDown(InputEvent event, int keycode) { if (keycode == Keys.LEFT) leftKey = true; if (keycode == Keys.RIGHT) rightKey = true; if (keycode == Keys.UP) upKey = true; if (keycode == Keys.DOWN) downKey = true; if (keycode == Keys.SPACE) spaceKey = true; return super.keyDown(event, keycode); } }); //3dstuff stage3d = new Stage3d(); modelBuilder = new ModelBuilder(); model = modelBuilder.createBox(5f, 5f, 5f, new Material("Color", ColorAttribute.createDiffuse(Color.WHITE)), Usage.Position | Usage.Normal); model2 = modelBuilder.createBox(2f, 2f, 2f, new Material("Color", ColorAttribute.createDiffuse(Color.WHITE)), Usage.Position | Usage.Normal); actor2 = new Actor3d(model2, 10f, 0f, 0f); model3 = modelBuilder.createBox(2f, 2f, 2f, new Material("Color", ColorAttribute.createDiffuse(Color.ORANGE)), Usage.Position | Usage.Normal); actor3 = new Actor3d(model3, -10f, 0f, 0f); actor2.setColor(Color.RED); actor2.setName("actor2"); actor3.setName("actor3"); camController = new CameraInputController(stage3d.getCamera()); InputMultiplexer im = new InputMultiplexer(); im.addProcessor(stage2d);// 2d should get click events first //im.addProcessor(stage3d); im.addProcessor(camController); Gdx.input.setInputProcessor(im); stage3d.touchable = Touchable.enabled; // only then will it detect hit actor3d ModelBuilder builder = new ModelBuilder(); builder.begin(); MeshPartBuilder part = builder.part("floor", GL20.GL_TRIANGLES, Usage.Position | Usage.TextureCoordinates | Usage.Normal, new Material()); for (float x = -200f; x < 200f; x += 10f) { for (float z = -200f; z < 200f; z += 10f) { part.rect(x, 0, z + 10f, x + 10f, 0, z + 10f, x + 10f, 0, z, x, 0, z, 0, 1, 0); } } floor = new Actor3d(builder.end()); AssetManager am = new AssetManager(); am.load("data/g3d/knight.g3db", Model.class); am.load("data/g3d/skydome.g3db", Model.class); am.load("data/g3d/concrete.png", Texture.class); am.finishLoading(); knight = new Actor3d(am.get("data/g3d/knight.g3db", Model.class), 0f, 18f, 0f); knight.getAnimation().inAction = true; knight.getAnimation().animate("Walk", -1, 1f, null, 0.2f); skydome = new Actor3d(am.get("data/g3d/skydome.g3db", Model.class)); floor.materials.get(0).set(TextureAttribute.createDiffuse(am.get("data/g3d/concrete.png", Texture.class))); stage3d.addActor3d(skydome); stage3d.addActor3d(floor); knight.setPitch(-90f); knight.setYaw(-130f); testActor3d(); //stage3d.addAction3d(Actions3d.rotateBy(0f, 90f, 0f, 2f)); //testGroup3d(); //testStage3d(); } float angle, angle2; @Override public void render() { Gdx.gl.glClearColor(1, 1, 1, 1); Gdx.gl.glClear(GL10.GL_COLOR_BUFFER_BIT | GL10.GL_DEPTH_BUFFER_BIT); stage3d.act(); stage3d.draw(); stage2d.act(); stage2d.draw(); camController.update(); fpsLabel.setText("Fps: " + Gdx.graphics.getFramesPerSecond()); visibleLabel.setText("Visible: " + stage3d.getRoot().visibleCount); positionLabel.setText("Knight X:" + knight.getX() + " Y:" + knight.getY() + " Z:" + knight.getZ()); rotationLabel.setText( "Knight Yaw:" + knight.getYaw() + " Pitch:" + knight.getPitch() + " " + "Roll:" + knight.getRoll()); positionCameraLabel.setText("Camera X:" + stage3d.getCamera().position.x + " Y:" + stage3d.getCamera().position.y + " Z:" + stage3d.getCamera().position.z); rotationCameraLabel.setText("Camera Yaw:" + stage3d.getCamera().direction.x + " Pitch:" + stage3d.getCamera().direction.y + " " + "Roll:" + stage3d.getCamera().direction.z); angle = MathUtils.cosDeg(knight.getYaw() - 90); //90 degrees is correction factor angle2 = -MathUtils.sinDeg(knight.getYaw() - 90); if (upKey) { knight.addAction3d(Actions3d.moveBy(angle, 0f, angle2)); stage3d.getCamera().translate(angle, 0f, angle2); } else if (downKey) { knight.addAction3d(Actions3d.moveBy(-angle, 0f, -angle2)); stage3d.getCamera().translate(-angle, 0f, -angle2); } else if (rightKey) { knight.rotateYaw(-2f); if (stage3d.getCamera().direction.z > -0.76f) Camera3d.rotateBy(-2f, 0f, 0f, 0f); //stage3d.getCamera().translate(angle, 0f, angle2); //get the angle calculations rite to make // the camera truly follow knight } else if (leftKey) { knight.rotateYaw(2f); if (stage3d.getCamera().direction.z < -0.63f) Camera3d.rotateBy(2f, 0f, 0f, 0f); } /* private float stateTime; float angleDegrees; stateTime+= delta; angleDegrees = stateTime * 10.0f; camera.position.set(200f * MathUtils.sinDeg(angleDegrees), 20, -200.0f * MathUtils.cosDeg(angleDegrees)); camera.rotate(Vector3.Y, angleDegrees/10f*delta);*/ } @Override public void resize(int width, int height) { stage2d.setViewport(width, height); stage3d.setViewport(width, height); } @Override public void pause() { } @Override public void resume() { } @Override public void dispose() { stage3d.dispose(); } void testActor3d() { stage3d.addActor3d(knight); stage3d.getCamera().position.set(knight.getX() + 13f, knight.getY() + 24f, knight.getZ() + 45f); //stage3d.getCamera().lookAt(knight.getX(), knight.getY(), knight.getZ()); //Camera3d.rotateCameraBy(knight.getYaw(), 0f, 0f, 1f); //Camera3d.followOffset(20f, 20f, -20f); //Camera3d.followActor3d(knight, false); //stage3d.moveBy(-50f, 0f, 0f, 2f); //stage3d.addActor3d(actor2); //actor1.addAction3d(Actions3d.rotateTo(60f, 5f)); //actor1.addAction3d(Actions3d.scaleBy(0.5f, 0.5f, 0.5f, 5f, Interpolation.linear)); // actor1.addAction3d(Actions3d.forever(Actions3d.sequence(Actions3d.moveBy(50f, 0f, 0f, 10f), // Actions3d.moveBy(-50f, 0f, 0f, 10f)))); // actor1.addAction3d(Actions3d.sequence( // Actions3d.moveBy(7f, 0f, 0f, 2f), // Actions3d.scaleTo(0.5f, 0.5f, 0.5f, 5f), // Actions3d.moveBy(-7f, 0f, 0f, 2f))); //actor1.addAction3d(Actions3d.scaleTo(1.2f, 1.2f, 1.2f, 1f)); //actor2.addAction3d(Actions3d.scaleBy(0.3f, 0.3f, 0.3f, 5f)); //actor1.addAction3d(Actions3d.sequence(Actions3d.moveBy(7f, 0f, 0f, 2f), Actions3d.moveBy(-7f, 0f, 0f, 2f))); //actor1.addAction3d(Actions3d.moveTo(7f, 0f, 0f, 3f)); // actor1.addAction3d(Actions3d.moveTo(-10f, 0f, 0f, 2f)); /* * Since both actions are running at same time we get the difference in x * ans : actor.getX() = -3.0000014 */ /* if you see this the setRotation method called alone works but after this moveTo is called and the actor1 * rotation is reset to original .. this is the problem because of transformation matrix * and the Sequence action problem is i think because i'm using the pools from gdx.utils.pools */ //actor1.setRotation(59); //actor1.setPosition(5f, 0f, 0f); // actor2.addAction3d(Actions3d.moveBy(-7f, 0f, 0f, 2f)); // r.setRotation(59); //r.addAction3d(Actions.rotateTo(59, 1f)); //r.addAction3d(Actions.rotateBy(59, 1f)); } void testGroup3d() { group3d = new Group3d(); group3d.setPosition(0f, 0f, 0f); group3d.setName("group1"); stage3d.addActor3d(group3d); group3d.addActor3d(knight); group3d.addActor3d(actor2); group3d.addActor3d(actor3); group3d.addAction3d(Actions3d.sequence(Actions3d.moveTo(0f, 5f, 0f, 2f), Actions3d.moveTo(5f, 0f, 0f, 2f), Actions3d.scaleTo(0f, 5f, 0f, 2f))); } void testStage3d() { stage3d.addActor3d(knight); stage3d.addActor3d(actor2); stage3d.addAction3d(Actions3d.moveTo(-7f, 0f, 0f, 3f)); } }