public static void drawLine(double x1, double y1, double x2, double y2, boolean isArrow) {
DrawObject L = new DrawObject();
L.color = lineColor;
L.x = x1;
L.y = y1;
L.x2 = x2;
L.y2 = y2;
if (isArrow) {
L.color = arrowColor;
L.isArrow = true;
}
L.sequenceNum = currentSequenceNum;
L.drawStroke = drawStroke;
if (animationMode) {
synchronized (animLines) {
animLines.add(L);
}
} else {
synchronized (lines) {
lines.add(L);
}
}
drawArea.repaint();
}
