private void UpdateInput()
{
float speed = 2.5f * Time.deltaTime;
if (Key.W.IsPressed())
{
this.position -= front * speed;
}
if (Key.S.IsPressed())
{
this.position += front * speed;
}
if (Key.A.IsPressed())
{
this.position += front.Cross(up).Normalize() * speed;
}
if (Key.D.IsPressed())
{
this.position -= front.Cross(up).Normalize() * speed;
}
if (Key.E.IsPressed())
{
this.position += up * speed;
}
if (Key.Q.IsPressed())
{
this.position -= up * speed;
}
var mouseNow = Input.mousePos;
var mouseDelta = mouseNow - lastMousePos;
this.lastMousePos = mouseNow;
if (firstMouseDelta)
{
firstMouseDelta = false;
return;
}
mouseDelta *= 0.1f; //sensitivity
this.euler += mouseDelta;
if (this.euler.y > 89.0)
{
this.euler.y = 89.0f;
}
if (this.euler.y < -89.0)
{
this.euler.y = -89.0f;
}
this.front.x = (float)Math.Cos(MathV.Radians(euler.x)) * (float)Math.Cos(MathV.Radians(euler.y));
this.front.y = (float)Math.Sin(MathV.Radians(euler.y));
this.front.z = (float)Math.Sin(MathV.Radians(euler.x)) * (float)Math.Cos(MathV.Radians(euler.y));
this.front = this.front.Normalize();
}
public float Yaw()
{
return(MathF.Asin(MathV.Clamp(-2.0f * (x * z - w * y), -1.0f, 1.0f)));
}
