[ad_1] Check out Custom Painting Approaches It shows the two common ways to do this: Keep an ArrayList of Objects to paint and then iterate through the List in the paintComponent() method. Paint directly to a BufferedImage and then just display the BufferedImage. [ad_2] solved Drawing an unknown number of shapes [closed]
[ad_1] Take a look at Oracle’s tutorial: http://docs.oracle.com/javase/tutorial/2d/advanced/user.html They describe how to recognize clicks within the Graphics2D. They also show how to move a single shape. You have to advance this approach a little bit in order to support multiple elements. 1 [ad_2] solved Change Coordinates directely in the graphe [closed]
[ad_1] Okay, so two things jump out at me… If you take a Point from outside the context of the label, you will have to translate the point into the components coordinate context The calculateAngle seems wrong So starting with… private void calculateAngle(Point target) { // calculate the angle from the center of the image … Read more