public static int Length(ILuaState lua)
{
if (!lua.IsTable(-1))
{
lua.PushNumber(0);
return(1);
}
Vector3 srcPos = LuaDataReadHelper.GetLuaVector3(lua);
Vector3 dstPos = LuaDataReadHelper.GetLuaVector3(lua);
double len = (srcPos - dstPos).magnitude;
lua.PushNumber(len);
return(1);
}
public static int Angle(ILuaState lua)
{
if (!lua.IsTable(-1))
{
lua.PushNumber(0);
return(1);
}
Vector3 srcPos = LuaDataReadHelper.GetLuaVector3(lua);
Vector3 dstPos = LuaDataReadHelper.GetLuaVector3(lua);
Vector3 oriPos = LuaDataReadHelper.GetLuaVector3(lua);
Vector3 oriDir = dstPos - oriPos;
Vector3 nowDir = dstPos - srcPos;
oriDir.Normalize(); nowDir.Normalize();
double angle = Vector3.Angle(oriDir, nowDir);
lua.PushNumber(angle);
return(1);
}
public static int Translate(ILuaState lua)
{
if (!lua.IsTable(-1))
{
lua.PushNumber(0);
lua.PushNumber(0);
lua.PushNumber(0);
return(3);
}
Vector3 srcPos = LuaDataReadHelper.GetLuaVector3(lua);
Vector3 dir = LuaDataReadHelper.GetLuaVector3(lua);
dir.Normalize();
float delta = (float)lua.L_CheckNumber(7);
srcPos = srcPos + dir * delta;
lua.PushNumber(srcPos.x);
lua.PushNumber(srcPos.y);
lua.PushNumber(srcPos.z);
return(3);
}