Java to achieve a small ball hit the rebound of a simple example (the algorithm is very simple) _java

The core code is as follows:

if (ADDX) {
	x+=3;
} else{
	x-=3;
}
				
if (Addy) {
	y+=6;
} else{
	y-=6;
}
if (x<=0| | X>= (width-50)) {
	addx=!addx;
}
				
if (y<=0| | Y>= (height-50)) {
	addy=!addy;
}

The angle is determined by the increment of the x and Y values.

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