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. JavaFX 25. JDK 6 26. JDK 7 27. JNDI LDAP 28. JPA 29. JSP 30. JSTL 31. Language Basics 32. Network Protocol 33. PDF RTF 34. Reflection 35. Regular Expressions 36. Scripting 37. Security 38. Servlets 39. Spring 40. Swing Components 41. Swing JFC 42. SWT JFace Eclipse 43. Threads 44. Tiny Application 45. Velocity 46. Web Services SOA 47. XML

Java » 2D Graphics GUI » Geometry   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