# Calculate Angle From : Geometry « 2D Graphics GUI « Java

Home
Java
 1 2D Graphics GUI 2 3D 3 Advanced Graphics 4 Ant 5 Apache Common 6 Chart 7 Class 8 Collections Data Structure 9 Data Type 10 Database SQL JDBC 11 Design Pattern 12 Development Class 13 EJB3 14 Email 15 Event 16 File Input Output 17 Game 18 Generics 19 GWT 20 Hibernate 21 I18N 22 J2EE 23 J2ME 24 JDK 6 25 JNDI LDAP 26 JPA 27 JSP 28 JSTL 29 Language Basics 30 Network Protocol 31 PDF RTF 32 Reflection 33 Regular Expressions 34 Scripting 35 Security 36 Servlets 37 Spring 38 Swing Components 39 Swing JFC 40 SWT JFace Eclipse 41 Threads 42 Tiny Application 43 Velocity 44 Web Services SOA 45 XML
 Java » 2D Graphics GUI » Geometry Screenshots
Calculate Angle From
 ```       import java.awt.Point; public class Util{   /**     * @param obj1X    * @param obj1Y    * @param obj2X    * @param obj2Y    * @return float    */   public final static float calculateAngleFrom(float obj1X, float obj1Y, float obj2X, float obj2Y)   {     float angleTarget = (float) Math.toDegrees(Math.atan2(obj2Y - obj1Y, obj2X - obj1X));     if (angleTarget < 0)       angleTarget = 360 + angleTarget;     return angleTarget;   } }                                ```
Related examples in the same category
 1 Collection of geometry utility methods 2 Unions Rectangle2D 3 Interpolates points given in the 2D plane 4 Returns distance between two sets of coords 5 Returns distance between 3D set of coords 6 Returns closest point on segment to point 7 Returns distance to segment 8 Hexagon demo 9 Implements an Vector in 3D space. 10 Implementation of the 4 dimensional vector. 11 Quaternion 12 Circle shape 13 Geometry Utilities 14 This is a Polygon that allows the user to flip and swap the points along it's axis. 15 Fast trigonometric operations 16 A class to represent a latitude and longitude 17 An undirected graph that keeps track of connected components (groups). 18 Generates n logarithmically-spaced points between d1 and d2 using the provided base. 19 Returns a dimension where width and height are inside the bounds of the maxWidth and maxHeight parameters