2017-10-06 69 views
0

我正在LWJGL的3D遊戲中工作,並且我想添加第一人稱風格的攝像頭和鼠標支持。我目前有一個,但它不光滑,並且不能很好地工作。我真的很想讓窗口聚焦,所以鼠標被鎖定,而不是在窗口上方懸停。我怎樣才能實現這個?LWJGL的第一人稱風格攝像頭(鼠標支持)

這是我當前的相機實現:

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

你計算偏航和變槳時,做整數除法,這是不好的,因爲其結果也將是一個整數。要改變這一點,你只需要使一個值如下浮動:

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

現在結果會更精確。

雖然我建議使用此代碼來計算你的俯仰和偏航:

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軸移動()被調用。

如果您想專注於窗口,只需調用Mouse.setGrabbed(true)。

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