progress for opengl

CityDoctorParent/Extensions/CityDoctorGUI/pom.xml

@@ -59,6 +59,13 @@
 			<groupId>org.openjfx</groupId>
 			<artifactId>javafx-swing</artifactId>
 		</dependency>
+		<!-- https://mvnrepository.com/artifact/com.huskerdev/openglfx-jogl -->
+		<dependency>
+			<groupId>com.huskerdev</groupId>
+			<artifactId>openglfx-jogl</artifactId>
+			<version>4.1.19</version>
+		</dependency>
+
 	</dependencies>
 	<profiles>
 		<profile>

CityDoctorParent/Extensions/CityDoctorGUI/src/main/java/de/hft/stuttgart/citydoctor2/gui/MainWindow.java

 package de.hft.stuttgart.citydoctor2.gui;
 
+import java.awt.image.BufferedImage;
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.util.List;
+import java.util.Locale;
+import java.util.Optional;
+import java.util.Timer;
+import java.util.TimerTask;
+
+import javax.imageio.ImageIO;
+
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
+import com.huskerdev.openglfx.GLExecutor;
+import com.huskerdev.openglfx.canvas.GLCanvas;
+import com.huskerdev.openglfx.jogl.JOGLExecutor;
+import com.huskerdev.openglfx.jogl.events.JOGLEvent;
+import com.huskerdev.openglfx.jogl.events.JOGLReshapeEvent;
+import com.jogamp.opengl.GL2;
+import com.jogamp.opengl.GL3;
+
 import de.hft.stuttgart.citydoctor2.CityDoctorValidation;
 import de.hft.stuttgart.citydoctor2.check.ValidationConfiguration;
 import de.hft.stuttgart.citydoctor2.datastructure.BoundingBox;
@@ -19,9 +42,35 @@ import javafx.beans.value.ChangeListener;
 import javafx.embed.swing.SwingFXUtils;
 import javafx.fxml.FXML;
 import javafx.fxml.FXMLLoader;
-import javafx.scene.*;
-import javafx.scene.control.*;
+import javafx.scene.AmbientLight;
+import javafx.scene.Group;
+import javafx.scene.Node;
+import javafx.scene.PerspectiveCamera;
+import javafx.scene.Scene;
+import javafx.scene.SceneAntialiasing;
+import javafx.scene.SubScene;
+import javafx.scene.control.Alert;
 import javafx.scene.control.Alert.AlertType;
+import javafx.scene.control.Button;
+import javafx.scene.control.ButtonType;
+import javafx.scene.control.ComboBox;
+import javafx.scene.control.ContextMenu;
+import javafx.scene.control.Label;
+import javafx.scene.control.ListCell;
+import javafx.scene.control.ListView;
+import javafx.scene.control.MenuItem;
+import javafx.scene.control.ProgressBar;
+import javafx.scene.control.RadioButton;
+import javafx.scene.control.SplitPane;
+import javafx.scene.control.Tab;
+import javafx.scene.control.TabPane;
+import javafx.scene.control.TextArea;
+import javafx.scene.control.TextField;
+import javafx.scene.control.ToggleButton;
+import javafx.scene.control.ToggleGroup;
+import javafx.scene.control.ToolBar;
+import javafx.scene.control.TreeItem;
+import javafx.scene.control.TreeView;
 import javafx.scene.image.Image;
 import javafx.scene.image.ImageView;
 import javafx.scene.image.WritableImage;
@@ -29,6 +78,8 @@ import javafx.scene.input.Dragboard;
 import javafx.scene.input.MouseButton;
 import javafx.scene.input.MouseEvent;
 import javafx.scene.input.TransferMode;
+import javafx.scene.layout.Background;
+import javafx.scene.layout.BackgroundFill;
 import javafx.scene.layout.BorderPane;
 import javafx.scene.layout.HBox;
 import javafx.scene.layout.Pane;
@@ -36,15 +87,6 @@ import javafx.scene.layout.Priority;
 import javafx.scene.paint.Color;
 import javafx.scene.transform.Rotate;
 import javafx.stage.Stage;
-import org.apache.logging.log4j.LogManager;
-import org.apache.logging.log4j.Logger;
-
-import javax.imageio.ImageIO;
-import java.awt.image.BufferedImage;
-import java.io.File;
-import java.io.FileNotFoundException;
-import java.io.IOException;
-import java.util.*;
 
 public class MainWindow extends Application {
 
@@ -82,7 +124,7 @@ public class MainWindow extends Application {
     private TreeView<Renderable> attributeView;
 
     @FXML
-    TreeView<Renderable> otherObjectsView;
+    private TreeView<Renderable> otherObjectsView;
 
     @FXML
     private TreeView<Renderable> polygonView;
@@ -809,12 +851,47 @@ public class MainWindow extends Application {
     }
 
     private void setup3dView() {
+    	JOGLExecutor exec = new JOGLExecutor();
+    	GLCanvas canvas = new GLCanvas(exec);
+    	canvas.setMinHeight(300);
+    	canvas.setMaxHeight(300);
+    	canvas.setMinWidth(500);
+    	canvas.setBackground(new Background(new BackgroundFill(Color.BLACK, null, null)));
+    	canvas.setOnMouseClicked(me -> {
+    		System.out.println("Height: " + canvas.getHeight());
+    	});
+//    	HBox box = new HBox();
+//    	box.getChildren().add(canvas);
+
+    	canvas.addOnInitEvent(event -> {
+    	    GL3 gl = ((JOGLEvent) event).getGl();
+
+    	});
+    	canvas.addOnReshapeEvent(event -> {
+    		GL3 gl = ((JOGLReshapeEvent) event).getGl();
+
+    	});
+    	canvas.addOnRenderEvent(event -> {
+    		GL3 gl = ((JOGLEvent) event).getGl();
+
+    	});
+    	canvas.addOnDisposeEvent(event -> {
+    		GL3 gl = ((JOGLEvent) event).getGl();
+    	});
+    	
+    	
         Group root = new Group();
         geomScene = new SubScene(root, 500, 300, true, SceneAntialiasing.BALANCED);
         geomScene.heightProperty().bind(meshView.heightProperty());
         geomScene.widthProperty().bind(meshView.widthProperty());
         geomScene.setFill(Color.AZURE);
+        
         meshView.getChildren().add(geomScene);
+//        meshView.getChildren().add(canvas);
+        
+        // to avoid strange behaviour of the GUI resizeing itself
+        meshView.setBackground(new Background(new BackgroundFill(null, null, null)));
+        
         
         geomScene.addEventFilter(MouseEvent.MOUSE_PRESSED, me -> {
             clickStart[0] = me.getScreenX();

CityDoctorParent/Extensions/CityDoctorGUI/src/main/java/de/hft/stuttgart/citydoctor2/gui/opengl/OpenGLCamera.java

+package de.hft.stuttgart.citydoctor2.gui.opengl;
+
+import com.jogamp.opengl.math.FloatUtil;
+import com.jogamp.opengl.math.Matrix4f;
+import com.jogamp.opengl.math.Vec2f;
+import com.jogamp.opengl.math.Vec3f;
+
+public class OpenGLCamera {
+
+	private static final float MIN_DISTANCE = 1f;
+	private static final float PI = (float) Math.PI;
+	private static final float SCROLL_PERCENTAGE = 0.1f;
+
+	private Matrix4f projMatrix;
+	private Matrix4f viewMatrix;
+	private Matrix4f projViewMatrix;
+	private Matrix4f temp = new Matrix4f();
+
+	private UniformLocation projViewModel;
+	private float rotateAroundZ = 0f;
+
+	// rotation temp variables
+	private Vec3f res = new Vec3f();
+	private Vec3f rotAxis = new Vec3f();
+	private Vec3f cross = new Vec3f();
+	
+	// move temp variables
+	private Vec2f dir = new Vec2f();
+
+	private Vec3f eyePos = new Vec3f();
+	private Vec3f centerPos = new Vec3f();
+	private Vec3f up = new Vec3f();
+	private float distance = 5;
+
+	private float[] matrixBuffer = new float[16];
+
+	public OpenGLCamera(UniformLocation projViewModel) {
+		this.projViewModel = projViewModel;
+		projViewMatrix = new Matrix4f();
+		viewMatrix = new Matrix4f();
+		projMatrix = new Matrix4f();
+		up.setZ(1);
+		eyePos.setX(distance);
+	}
+
+	public void reshape(int width, int height, float distance) {
+		// 90 degree fow
+		float fow = PI / 2f;
+		float aspectRatio = (float) width / height;
+		projMatrix.setToPerspective(fow, aspectRatio, MIN_DISTANCE, distance);
+		updateMatrix();
+	}
+
+	private void updateMatrix() {
+		viewMatrix.setToLookAt(eyePos, centerPos, up, temp);
+		projViewMatrix.mul(projMatrix, viewMatrix);
+		// model matrix is identity
+		projViewMatrix.get(matrixBuffer);
+		projViewModel.uploadMat4(matrixBuffer);
+	}
+
+	public void rotate(double dragDiffX, double dragDiffY) {
+		float rotationX = (float) (-dragDiffX / 500f);
+		float rotationZ = (float) (-dragDiffY / 500f);
+		float tempRotationValue = rotateAroundZ + rotationZ;
+		if (tempRotationValue < -Math.PI / 2 + 0.0001 || tempRotationValue > Math.PI / 2 - 0.0001) {
+			// to close to 90 degree, stop rotation
+			rotationZ = 0;
+		}
+		rotateAroundZ += rotationZ;
+
+		res.minus(eyePos, centerPos);
+		rotateZ(res, rotationX);
+
+		rotAxis.setX(res.x());
+		rotAxis.setY(res.y());
+		rotAxis.setZ(res.z() + 5);
+
+		cross.cross(rotAxis, res);
+		cross.normalize();
+		rotateAroundAxis(res, rotationZ, cross.x(), cross.y(), cross.z());
+
+		eyePos.plus(centerPos, res);
+		updateMatrix();
+	}
+
+	public Vec3f rotateZ(Vec3f vec, float angle) {
+		float sin = FloatUtil.sin(angle);
+		float cos = FloatUtil.cos(angle);
+		float x = vec.x() * cos - vec.y() * sin;
+		float y = vec.x() * sin + vec.y() * cos;
+		vec.setX(x);
+		vec.setY(y);
+		return vec;
+	}
+
+	private void rotateAroundAxis(Vec3f vector, float angle, float aX, float aY, float aZ) {
+		float hangle = angle * 0.5f;
+		float sinAngle = FloatUtil.sin(hangle);
+		float qx = aX * sinAngle, qy = aY * sinAngle, qz = aZ * sinAngle;
+		float qw = FloatUtil.cos(hangle);
+		float w2 = qw * qw, x2 = qx * qx, y2 = qy * qy, z2 = qz * qz, zw = qz * qw;
+		float xy = qx * qy, xz = qx * qz, yw = qy * qw, yz = qy * qz, xw = qx * qw;
+		float x = vector.x();
+		float y = vector.y();
+		float z = vector.z();
+		vector.setX((w2 + x2 - z2 - y2) * x + (-zw + xy - zw + xy) * y + (yw + xz + xz + yw) * z);
+		vector.setY((xy + zw + zw + xy) * x + (y2 - z2 + w2 - x2) * y + (yz + yz - xw - xw) * z);
+		vector.setZ((xz - yw + xz - yw) * x + (yz + yz + xw + xw) * y + (z2 - y2 - x2 + w2) * z);
+	}
+
+	public void setDistance(float distance) {
+		this.distance = distance;
+		res.minus(centerPos, eyePos);
+		res.normalize();
+		res.scale(distance);
+		eyePos.plus(res, centerPos);
+		updateMatrix();
+	}
+
+	public void scroll(float scroll) {
+		float addedDistance = distance * scroll * SCROLL_PERCENTAGE;
+		distance += addedDistance;
+		setDistance(distance);
+	}
+
+	public void move(float dragDiffX, float dragDiffY) {
+		res.minus(centerPos, eyePos);
+		dir.setX(res.x());
+		dir.setY(res.y());
+
+		dir.normalize();
+//		var yDrag = vec2.create();
+//		vec2.scale(yDrag, dir, dragDiffY * 0.5);
+//
+//		// handle diffY
+//		vec3.add(this.centerPos, this.centerPos, vec3.fromValues(yDrag[0], yDrag[1], 0));
+//		vec3.add(this.eyepos, this.eyepos, vec3.fromValues(yDrag[0], yDrag[1], 0));
+//		// handle diffX
+//		var temp = dir[0];
+//		dir[0] = dir[1];
+//		dir[1] = -temp;
+//		vec2.scale(dir, dir, -dragDiffX * 0.5);
+//
+//		vec3.add(this.centerPos, this.centerPos, vec3.fromValues(dir[0], dir[1], 0));
+//		vec3.add(this.eyepos, this.eyepos, vec3.fromValues(dir[0], dir[1], 0));
+		this.updateMatrix();
+	}
+
+}

CityDoctorParent/Extensions/CityDoctorGUI/src/main/java/de/hft/stuttgart/citydoctor2/gui/opengl/UniformLocation.java

+/*-
+ * Copyright 2021 Hochschule für Technik Stuttgart
+ *
+ * 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 de.hft.stuttgart.citydoctor2.gui.opengl;
+
+import com.jogamp.opengl.GL3;
+
+public class UniformLocation {
+	
+	private int location;
+	private GL3 gl;
+	
+	public UniformLocation(GL3 gl, int location) {
+		this.location = location;
+
+	}
+	
+	public void uploadMat4(float[] mat) {
+		gl.glUniformMatrix4fv(location, mat.length, false, mat, 0);
+	}
+
+}

CityDoctorParent/pom.xml

@@ -20,6 +20,10 @@
 		<jfx-version>17.0.12</jfx-version>
 	</properties>
 	<repositories>
+		<repository>
+			<id>jogl</id>
+			<url>https://jogamp.org/deployment/maven/</url>
+		</repository>
 		<repository>
 			<id>non-maven-libs</id>
 			<url>${nonMavenLibsPath}</url>
@@ -173,7 +177,7 @@
 			<dependency>
 				<groupId>org.jogamp.gluegen</groupId>
 				<artifactId>gluegen-rt-main</artifactId>
-				<version>2.3.2</version>
+				<version>2.5.0</version>
 			</dependency>
 			<dependency>
 				<groupId>gov.nist.math</groupId>
@@ -183,7 +187,7 @@
 			<dependency>
 				<groupId>org.jogamp.jogl</groupId>
 				<artifactId>jogl-all-main</artifactId>
-				<version>2.3.2</version>
+				<version>2.5.0</version>
 			</dependency>
 			<dependency>
 				<groupId>org.apache.logging.log4j</groupId>