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Author: John Bannister | Website: http://

Realistic Car Movement

The car tutorials I have seen have a good system but just don't hit 'realistic' to me.

This is a modified version of Mathew Dennis' 'Creating realistic car movements' tutorial with a few upgrades. Made in MX but it might work in earlier versions.

First, create the car movie clip.

Insert the folowing code into the clips actions :

  onClipEvent (enterFrame) {
  //When key UP is pressed, speed is increased
  if (Key.isDown(Key.UP)) {
  speed += 1;
  } else {
  //When key DOWN is pressed, speed is decreased
  if (Key.isDown(Key.DOWN)) {
  speed -= 1;
  } else {
  //If UP or DOWN aren't pressed then the speed decreases

  speed *= .9
  }
  }
  //The car will start to slow down after the speed of 25
  if (Math.abs(speed)>25) {
  speed *= .6;
  }
  //Turns the car left
  if (Key.isDown(Key.LEFT)) {
  _rotation -= speed;
  }
  //Turns the car right
  if (Key.isDown(Key.RIGHT)) {
  _rotation += speed;
  }
  //Moves the car
  speed *= .9;
  x = Math.sin(_rotation*(Math.PI/180))*speed;
  y = Math.cos(_rotation*(Math.PI/180))*speed*-1;
  if (!_root.move.hitTest(_x+x, _y+y, true)) {
  _x += x;
  _y += y;
  } else {
  speed *= -.3;
  }
  }
» Level Basic

Added: 2004-07-02
Rating: 7 Votes: 27
(10 being the highest)
» Author
Just messing around in Flash trying to get a decent site up.
» Download
Download the files used in this tutorial.
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