Java 爪哇炮弹角度
所以,我正在制作一个平台,在这里你应该能够拖动你的鼠标,以鼠标释放的方向从你的角色发射一个投射物,速度为两点之间的距离Java 爪哇炮弹角度,java,trigonometry,angle,Java,Trigonometry,Angle,所以,我正在制作一个平台,在这里你应该能够拖动你的鼠标,以鼠标释放的方向从你的角色发射一个投射物,速度为两点之间的距离 public void mouseDragged(MouseEvent e) { player.setAiming(true); Point2D.Float aimpoint = new Point2D.Float(e.getXOnScreen(), e.getYOnScreen()); player.setAimpoint(aimpoint);
public void mouseDragged(MouseEvent e) {
player.setAiming(true);
Point2D.Float aimpoint = new Point2D.Float(e.getXOnScreen(), e.getYOnScreen());
player.setAimpoint(aimpoint);
player.setAimDistance(GetDistanceToPoint(player.getPos(), aimpoint));
}
public static float GetAngleOfLine(Point2D.Float p1, Point2D.Float p2) {
double xDiff = p2.x - p1.x;
double yDiff = p2.y - p1.y;
System.out.println("P1X: " + p1.x + " P1Y: " + p1.y + " P2X: " + p2.x + " P2Y: " + p2.y + " Angle: " + Math.toDegrees(Math.atan2(yDiff, xDiff)));
return (float) Math.toDegrees(Math.atan2(yDiff, xDiff));
}
public static float GetDistanceToPoint(Point2D.Float p1, Point2D.Float p2){
float distance = (float) Math.sqrt(Math.pow(p2.y - p1.y, 2) + Math.pow((p2.x - p1.x), 2));
return distance;
}
然后,当鼠标被释放时
player.setAimingangle(GetAngleOfLine(player.getPos(), player.getAimpoint()));
然后创建一个投射物,其中角度为player.aimingangle,强度为player.aimingdistance:
float yvel = (float) (strength * Math.sin(angle));
float xvel = (float) (strength * Math.cos(angle));
我得到了难以置信的奇怪的射弹,它们到处飞。
Math.sin
和Math.cos
接受弧度参数,但你给它们提供了度