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C++ Monster Roaming Functionality

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0

$begingroup$

I have a working monster system that follows players around by moving a certain distance towards the players 2D (X, Y) location.

However, I now want to make it so these monsters roam around at random time intervals for a short distance. Say we have a monster that can travel anywhere from 200-300 cm/sec.

I need to know how to accurately determine the monsters destination location (X, Y). Currently I simply pick a random number between 200-300 and then add those values to the monsters current X & Y value. Although doing this will sometimes exceed the desired distance traveled.

My question is, how can I pick a location on an X, Y grid that is a certain distance away from our current location.

This is the moving code I have right now...

 // Determines if position is changed via addition or subtraction.
 const int positive_or_negative = RandomValueInRange_New(0, 1);

 // Determines how much to move in each direction
 const int x = RandomValueInRange(200, 300);
 const int y = RandomValueInRange(200, 300);
 if (positive_or_negative == 1)
 
 location.Move(x, y);
 
 else
 
 location.Move(-x, -y);
 

c++ ai role-playing-game

share

asked 9 mins ago

RickRick

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New contributor

Rick is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

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add a comment | 

0

$begingroup$

I have a working monster system that follows players around by moving a certain distance towards the players 2D (X, Y) location.

However, I now want to make it so these monsters roam around at random time intervals for a short distance. Say we have a monster that can travel anywhere from 200-300 cm/sec.

I need to know how to accurately determine the monsters destination location (X, Y). Currently I simply pick a random number between 200-300 and then add those values to the monsters current X & Y value. Although doing this will sometimes exceed the desired distance traveled.

My question is, how can I pick a location on an X, Y grid that is a certain distance away from our current location.

This is the moving code I have right now...

 // Determines if position is changed via addition or subtraction.
 const int positive_or_negative = RandomValueInRange_New(0, 1);

 // Determines how much to move in each direction
 const int x = RandomValueInRange(200, 300);
 const int y = RandomValueInRange(200, 300);
 if (positive_or_negative == 1)
 
 location.Move(x, y);
 
 else
 
 location.Move(-x, -y);
 

c++ ai role-playing-game

share

asked 9 mins ago

RickRick

1

New contributor

Rick is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

$endgroup$

add a comment | 

$begingroup$

I have a working monster system that follows players around by moving a certain distance towards the players 2D (X, Y) location.

However, I now want to make it so these monsters roam around at random time intervals for a short distance. Say we have a monster that can travel anywhere from 200-300 cm/sec.

I need to know how to accurately determine the monsters destination location (X, Y). Currently I simply pick a random number between 200-300 and then add those values to the monsters current X & Y value. Although doing this will sometimes exceed the desired distance traveled.

My question is, how can I pick a location on an X, Y grid that is a certain distance away from our current location.

This is the moving code I have right now...

 // Determines if position is changed via addition or subtraction.
 const int positive_or_negative = RandomValueInRange_New(0, 1);

 // Determines how much to move in each direction
 const int x = RandomValueInRange(200, 300);
 const int y = RandomValueInRange(200, 300);
 if (positive_or_negative == 1)
 
 location.Move(x, y);
 
 else
 
 location.Move(-x, -y);
 

c++ ai role-playing-game

share

asked 9 mins ago

RickRick

1

New contributor

Rick is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

$endgroup$

 // Determines if position is changed via addition or subtraction.
 const int positive_or_negative = RandomValueInRange_New(0, 1);

 // Determines how much to move in each direction
 const int x = RandomValueInRange(200, 300);
 const int y = RandomValueInRange(200, 300);
 if (positive_or_negative == 1)
 
 location.Move(x, y);
 
 else
 
 location.Move(-x, -y);
 

share

asked 9 mins ago

RickRick

1

New contributor

Rick is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

share

asked 9 mins ago

RickRick

1

New contributor

Rick is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked 9 mins ago

RickRick

1

New contributor

Rick is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked 9 mins ago

RickRick

1