/// <summary>
/// 设置直线运动参数
/// </summary>
/// <param name="luaState"></param>
/// <returns></returns>
public static int STGMovableSetStraightParas(ILuaState luaState)
{
ISTGMovable movableObject = luaState.ToUserData(-6) as ISTGMovable;
float v = (float)luaState.ToNumber(-5);
float angle = (float)luaState.ToNumber(-4);
bool isAimToPlayer = luaState.ToBoolean(-3);
float acce = (float)luaState.ToNumber(-2);
float accAngle;
if (luaState.Type(-1) == LuaType.LUA_TBOOLEAN && luaState.ToBoolean(-1) == true)
{
accAngle = angle;
}
else
{
accAngle = (float)luaState.ToNumber(-1);
}
if (isAimToPlayer)
{
Vector2 playerPos = PlayerInterface.GetInstance().GetCharacter().GetPosition();
float relAngle = MathUtil.GetAngleBetweenXAxis(playerPos - movableObject.GetPosition());
angle += relAngle;
accAngle += relAngle;
}
movableObject.SetStraightParas(v, angle, acce, accAngle);
return(0);
}
/// <summary>
/// 做加速运动
/// <para>movableObject 运动的物体</para>
/// <para>float acce 加速度</para>
/// <para>float angle 速度方向 or bool useVAngle使用速度方向</para>
/// <para>bool isAimToPlayer 是否朝向玩家</para>
/// </summary>
/// <param name="luaState"></param>
/// <returns></returns>
public static int STGMovableDoAcceleration(ILuaState luaState)
{
ISTGMovable movableObject = luaState.ToUserData(-4) as ISTGMovable;
float acce = (float)luaState.ToNumber(-3);
float angle = luaState.Type(-2) == LuaType.LUA_TBOOLEAN ? movableObject.vAngle : (float)luaState.ToNumber(-2);
bool isAimToPlayer = luaState.ToBoolean(-1);
if (isAimToPlayer)
{
Vector2 playerPos = PlayerInterface.GetInstance().GetCharacter().GetPosition();
angle += MathUtil.GetAngleBetweenXAxis(playerPos - movableObject.GetPosition());
}
movableObject.DoAcceleration(acce, angle);
return(0);
}
/// <summary>
/// 做直线运动
/// <para>movableObject 运动的物体</para>
/// <para>float v 速度</para>
/// <para>float angle 速度方向</para>
/// <para>bool isAimToPlayer 是否朝向玩家</para>
/// </summary>
/// <param name="luaState"></param>
/// <returns></returns>
public static int STGMovableDoStraightMove(ILuaState luaState)
{
ISTGMovable movableObject = luaState.ToUserData(-4) as ISTGMovable;
float v = (float)luaState.ToNumber(-3);
float angle = (float)luaState.ToNumber(-2);
bool isAimToPlayer = luaState.ToBoolean(-1);
if (isAimToPlayer)
{
Vector2 playerPos = PlayerInterface.GetInstance().GetCharacter().GetPosition();
angle += MathUtil.GetAngleBetweenXAxis(playerPos - movableObject.GetPosition());
}
movableObject.DoStraightMove(v, angle);
return(0);
}