android ar app

/* * SimpleRenderer.java * ARToolKit6 * * Copyright 2015-2016 Daqri, LLC. * Copyright 2011-2015 ARToolworks, Inc. * * Author(s): Thorsten Bux, Julian Looser, Philip Lamb * * 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 org.artoolkit.ar6.artracking; import android.opengl.GLES20; import org.artoolkit.ar6.base.ARToolKit; import org.artoolkit.ar6.base.NativeInterface; import org.artoolkit.ar6.base.rendering.ARRenderer; import org.artoolkit.ar6.base.rendering.shader_impl.Cube; import org.artoolkit.ar6.base.rendering.shader_impl.SimpleFragmentShader; import org.artoolkit.ar6.base.rendering.shader_impl.SimpleShaderProgram; import org.artoolkit.ar6.base.rendering.shader_impl.SimpleVertexShader; import javax.microedition.khronos.egl.EGLConfig; import javax.microedition.khronos.opengles.GL10; /** * A very simple Renderer that adds a marker and draws a cube on it. */ class ARTrackingRenderer extends ARRenderer { private static final class Trackable { String name; float height; Trackable(String name, float height) { this.name = name; this.height = height; } } private static final Trackable trackables[] = new Trackable[]{ new Trackable("Alterra_Ticket_1.jpg", 95.3f), new Trackable("Alterra_Postcard_2.jpg", 95.3f), new Trackable("Alterra_Postcard_3.jpg", 127.0f), new Trackable("Alterra_Postcard_4.jpg", 95.3f) }; private int trackableUIDs[] = new int[trackables.length]; private Cube cube; /** * Markers can be configured here. */ @Override public boolean configureARScene() { int i = 0; for (Trackable trackable : trackables) { trackableUIDs[i] = ARToolKit.getInstance().addMarker("2d;Data/2d/" + trackable.name + ";" + trackable.height); if (trackableUIDs[i] < 0) return false; i++; } NativeInterface.arwSetTrackerOptionInt(NativeInterface.ARW_TRACKER_OPTION_2D_MAX_IMAGES, trackables.length); return true; } //Shader calls should be within a GL thread. GL threads are onSurfaceChanged(), onSurfaceCreated() or onDrawFrame() //As the cube instantiates the shader during setShaderProgram call we need to create the cube here. @Override public void onSurfaceCreated(GL10 unused, EGLConfig config) { this.shaderProgram = new SimpleShaderProgram(new SimpleVertexShader(), new SimpleFragmentShader()); cube = new Cube(40.0f, 0.0f, 0.0f, 0.0f); cube.setShaderProgram(shaderProgram); super.onSurfaceCreated(unused, config); } /** * Override the draw function from ARRenderer. */ @Override public void draw() { super.draw(); GLES20.glEnable(GLES20.GL_CULL_FACE); GLES20.glEnable(GLES20.GL_DEPTH_TEST); GLES20.glFrontFace(GLES20.GL_CCW); // Look for trackables, and draw on each found one. for (int trackableUID : trackableUIDs) { // If the marker is visible, apply its transformation, and render a cube if (ARToolKit.getInstance().queryMarkerVisible(trackableUID)) { float[] projectionMatrix = ARToolKit.getInstance().getProjectionMatrix(); float[] modelViewMatrix = ARToolKit.getInstance().queryMarkerTransformation(trackableUID); cube.draw(projectionMatrix, modelViewMatrix); } } } }