public void drawStick(MotionEvent arg1) {
position_x = (int) (arg1.getX() - (params.width / 2));
position_y = (int) (arg1.getY() - (params.height / 2));
distance = (float) Math.sqrt(Math.pow(position_x, 2) + Math.pow(position_y, 2));
angle = (float) cal_angle(position_x, position_y);
if (arg1.getAction() == MotionEvent.ACTION_DOWN) {
if (distance <= (params.width / 2) - OFFSET) {
draw.position(arg1.getX(), arg1.getY());
draw();
touch_state = true;
}
} else if (arg1.getAction() == MotionEvent.ACTION_MOVE && touch_state) {
if (distance <= (params.width / 2) - OFFSET) {
draw.position(arg1.getX(), arg1.getY());
draw();
} else if (distance > (params.width / 2) - OFFSET) {
float x =
(float)
(Math.cos(Math.toRadians(cal_angle(position_x, position_y)))
* ((params.width / 2) - OFFSET));
float y =
(float)
(Math.sin(Math.toRadians(cal_angle(position_x, position_y)))
* ((params.height / 2) - OFFSET));
x += (params.width / 2);
y += (params.height / 2);
draw.position(x, y);
draw();
} else {
mLayout.removeView(draw);
}
} else if (arg1.getAction() == MotionEvent.ACTION_UP) {
mLayout.removeView(draw);
touch_state = false;
}
}
public void drawStick(double x, double y) {
draw.position(x, y);
draw();
}