2017-10-06 71 views
0

我正在LWJGL的3D游戏中工作,并且我想添加第一人称风格的摄像头和鼠标支持。我目前有一个,但它不光滑,并且不能很好地工作。我真的很想让窗口聚焦,所以鼠标被锁定,而不是在窗口上方悬停。我怎样才能实现这个?LWJGL的第一人称风格摄像头(鼠标支持)

这是我当前的相机实现:

public class Camera { 

private Vector3f position = new Vector3f(0,5,0); 
private float pitch = 10; 
private float yaw; 
private float roll; 

private float speed = 0.2f; 

public Camera() { 

} 

public void move() { 

    yaw = - (Display.getWidth() - Mouse.getX()/4); 
    pitch = (Display.getHeight()/1000) - Mouse.getY(); 

    if (pitch >= 90) { 
     pitch = 90; 
    } 
    else if (pitch <= -90) { 
     pitch = -90; 
    } 

    if (Keyboard.isKeyDown(Keyboard.KEY_W)) { 

     position.z += -(float)Math.cos(Math.toRadians(yaw)) * speed; 
     position.x += (float)Math.sin(Math.toRadians(yaw)) * speed; 

    } 
    else if (Keyboard.isKeyDown(Keyboard.KEY_S)) { 

     position.z -= -(float)Math.cos(Math.toRadians(yaw)) * speed; 
     position.x -= (float)Math.sin(Math.toRadians(yaw)) * speed; 

    } 

    if (Keyboard.isKeyDown(Keyboard.KEY_D)) { 

     position.z += (float)Math.sin(Math.toRadians(yaw)) * speed; 
     position.x += (float)Math.cos(Math.toRadians(yaw)) * speed; 

    } 
    else if (Keyboard.isKeyDown(Keyboard.KEY_A)) { 

     position.z -= (float)Math.sin(Math.toRadians(yaw)) * speed; 
     position.x -= (float)Math.cos(Math.toRadians(yaw)) * speed; 

    } 

    if (Keyboard.isKeyDown(Keyboard.KEY_LSHIFT)) { 

     position.y -= speed; 

    } 

    if (Keyboard.isKeyDown(Keyboard.KEY_SPACE)) { 

     position.y += speed; 

    } 

    if (Keyboard.isKeyDown(Keyboard.KEY_ESCAPE)) { 
     System.exit(0); 
    } 

} 

public Vector3f getPosition() { 
    return position; 
} 

public float getPitch() { 
    return pitch; 
} 

public float getYaw() { 
    return yaw; 
} 

public float getRoll() { 
    return roll; 
} 

} 

回答

0

你计算偏航和变桨时,做整数除法,这是不好的,因为其结果也将是一个整数。要改变这一点,你只需要使一个值如下浮动:

yaw = - (Display.getWidth() - Mouse.getX()/4f); 
pitch = (Display.getHeight()/1000f) - Mouse.getY(); 

现在结果会更精确。

虽然我建议使用此代码来计算你的俯仰和偏航:

float rotationSpeed = 1.0; //You probably need to change this factor 
yaw -= Mouse.getDX()/rotationSpeed; 
pitch += Mouse.getDY()/rotationSpeed; 

getDX/Y()返回自上次getDX/Y的X/Y轴移动()被调用。

如果您想专注于窗口,只需调用Mouse.setGrabbed(true)。

相关问题