[英]Why is my player not coming down after jumping?
我目前正在尝试编写我的第一个 GUI 游戏,其中玩家从一个障碍跳到另一个障碍。 当按下空格键时,玩家应该做一个简单的跳跃(实际上并没有在 x 轴上移动),但是当按下空格键时,玩家只会上升而不会下降。
这是我的代码中的变量:
private int playerY = 415, playerX = 100, score=0, maxHeight = 350;
private float speed=3, jumpStrength, weight=1;
这是我让玩家跳跃的代码:
public void keyPressed(KeyEvent e) {
int key = e.getKeyCode();
if (key == KeyEvent.VK_SPACE && playerY>=maxHeight) {
jumpStrength = 24;
playerY -= jumpStrength;
jumpStrength -= weight;
}
if (playerY>=maxHeight){
playerY = maxHeight;
}
}
public void keyTyped( KeyEvent e ) {}
public void keyReleased( KeyEvent e ){}
有没有人知道为什么它不起作用以及我如何解决它?
我不知道你的其余代码看起来如何或你的游戏如何工作,但这是我的一个想法。
public void keyPressed(KeyEvent e) {
int key = e.getKeyCode();
if (key == KeyEvent.VK_SPACE) {
jumpStrength = 24;
jumpStrength += weight;
playerY -= jumpStrength;
}
if (playerY>=maxHeight){
playerY = maxHeight;
}
}
public void keyTyped( KeyEvent e ) {}
public void keyReleased( KeyEvent e ){
int key = e.getKeyCode();
if (key == KeyEvent.VK_SPACE) {
jumpStrength = 24;
jumpStrength += weight;
playerY -= jumpStrength;
}
if (playerY<=0){
playerY = 0;
}
}
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