Vector to Angle

Comments

• firemaplegames Member Posts: 3,211

  July 2010

  VectorToAngle gives you the angle between two points.
  
  It works like this:
  
  myAngle = vectorToAngle(Actor1.X - Actor2.X, Actor1.Y - Actor2.Y)
  
  Let's say you wanted Actor 1 to fire a bullet at Actor 2. You would use this formula to find the angle of trajectory.
  
  Let's say you wanted Actor 1 to fire at the Mouse cursor position, you would do this:
  
  myAngle = vectorToAngle(Actor1.X - Mouse.X, Actor1.Y - Mouse.Y)
  
  It can be used for a great variety of things, but hose are some basic uses...
• AfterBurnett Member Posts: 3,474

  July 2010

  firemaplegames said:but hose are some basic uses...
  
  

  Please explain the hose thing :P
• gyroscope I am here.Member, Sous Chef, PRO Posts: 6,598

  July 2010

  POLYGAMe said:
  Please explain the hose thing :P
  
  

  You're gonna get a slap, I can tell... :-)
• tom.tom Member Posts: 22

  July 2010

  is vector to angle an attribute tthat you add?
  Or is it one of the behaviours?
  
  confuseddd.
• firemaplegames Member Posts: 3,211

  July 2010

  It's in the Expression Editor. Some of the Rules and behaviors have a little 'e' button. Click that to open the editor. VectorToAngle is located in the 'insert function:' drop down in the expression editor.
  
  Check out the Support Section up above. Especially the Reference Library. It explains the Expression Editor in-depth.
• pjnolen Member Posts: 152

  July 2011

  firemaplegames said:
  VectorToAngle gives you the angle between two points.
  
  It works like this:
  
  myAngle = vectorToAngle(Actor1.X - Actor2.X, Actor1.Y - Actor2.Y)
  
  Let's say you wanted Actor 1 to fire a bullet at Actor 2. You would use this formula to find the angle of trajectory.
  
  Let's say you wanted Actor 1 to fire at the Mouse cursor position, you would do this:
  
  myAngle = vectorToAngle(Actor1.X - Mouse.X, Actor1.Y - Mouse.Y)
  
  It can be used for a great variety of things, but hose are some basic uses...
  
  

  shot in the dark diggin up this thread, but I'm trying to do this very thing.
  Which Behavior do I use to have npc1 shoot a bullet at player1. I've got a constrain for player1 x and y, but no matter which behavior i use the bullet seems to either freeze the screen to fire upwards no matter where the player is. Some of the Behaviors have 1 E and some have 2, which would i use for this type of expression?