private void kochPanelMouseDragged(MouseEvent event) { zoomTranslateX = zoomTranslateX + event.getX() - lastDragX; zoomTranslateY = zoomTranslateY + event.getY() - lastDragY; lastDragX = event.getX(); lastDragY = event.getY(); kochManager.drawEdges(); }
private void kochPanelMouseClicked(MouseEvent event) { if (Math.abs(event.getX() - startPressedX) < 1.0 && Math.abs(event.getY() - startPressedY) < 1.0) { double originalPointClickedX = (event.getX() - zoomTranslateX) / zoom; double originalPointClickedY = (event.getY() - zoomTranslateY) / zoom; if (event.getButton() == MouseButton.PRIMARY) { zoom *= 2.0; } else if (event.getButton() == MouseButton.SECONDARY) { zoom /= 2.0; } zoomTranslateX = (int) (event.getX() - originalPointClickedX * zoom); zoomTranslateY = (int) (event.getY() - originalPointClickedY * zoom); kochManager.drawEdges(); } }
private void kochPanelMousePressed(MouseEvent event) { startPressedX = event.getX(); startPressedY = event.getY(); lastDragX = event.getX(); lastDragY = event.getY(); }