Rotations and movements,

Hey,.

Thanks in advance for any answers or advice.

I'm doing a game where the user must "jump" from planet to planet. A rough explanation of the gameplay would be that the user needs to 'move' around a planet, align itself on the next planet and jumping to it. Hold the up arrow key move the user 'far' of the planet and release would be:

  • Let them be pulled back down by gravity if they are in the range of the planet,
  • Send them darting off in outer space due to lack of everything.
  • Or in the future make connected by a gravity of planets, prompting so partly through the level.

Currently, I make my character to move around the planet. I can then blow. While in the air, I can do a test to see whether or not they are close enough to a planet or not and act accordingly sending either the character forward at the same speed or decisions her land on the planet.

Arrises them question once I landed. I'm able to jump again and 'results' continuous work perfect, but I'm unable to turn around the planet, according to the needs.

addEventListener (Event.ENTER_FRAME, updateGame);

stage.addEventListener (KeyboardEvent.KEY_UP, KeyUp);

stage.addEventListener (KeyboardEvent.KEY_DOWN, KeyDown);

var keys: Array = [];

var currentPlayerState:String = "landed";

var walkSpeed:uint = 2;

var currentAngle:Number = 90;

var currentRadius:uint = planet.width/2;

var currentOrbitX:uint = planet.x;

var currentOrbitY:uint = planet.y;

var distanceX:Number;

var distanceY: number;

var distance: Number;

var dx:Number;

var dy:Number;

var newX:Number;

var newY:Number;

function KeyDown(e:KeyboardEvent):void {}

Keys [e.keycode] = true;

}

function KeyUp(e:KeyboardEvent):void {}

Keys [e.keycode] = false;

}

function updateGame(evt:Event) {}

checkKeyPresses();

Movement();

}

function checkKeyPresses() {}

{if (Keys [Keyboard.up])}

If (currentPlayerState == "landed") {}

currentPlayerState = "Skip";

}

}

If (keys [Keyboard.UP] == false) {}

If (distance > 100 + planet.width/2) {}

currentPlayerState = "drifting."

} else {}

currentPlayerState = 'falling ';

}

}

If (currentPlayerState == "landed") {}

rotateCharacter();

{if (Keys [Keyboard.Left])}

trace ("works of left")

currentAngle = walkSpeed;

}

If (keys [Keyboard.RIGHT] == true) {}

trace ("works of right");

currentAngle += walkSpeed;

}

}

}

function movement() {}

Switch (currentPlayerState) {}

case "jump":

checkDistance();

If (currentPlayerState == 'jump') {}

Agree = distanceX / distance;

y = distanceY / distance;

DX = - agree;

DY = - y;

Player.x += dx;

Player.y += dy;

}

break;

case 'falling ':

checkDistance();

if(distance > currentRadius) {}

Agree = distanceX / distance;

y = distanceY / distance;

DX = agree;

DY = y;

Player.x += dx;

Player.y += dy;

} else {}

currentPlayerState = "landed";

}

break;

'landed ': case

break;

case 'drifting ':

Player.x += dx;

Player.y += dy;

break;

}

}

function rotateCharacter() {}

var rad:Number = currentAngle * (Math.PI / 180);

Player.x = currentOrbitX + currentRadius * Math.cos (rad);

Player.y = currentOrbitY + currentRadius * Math.sin (rad);

Player.rotation =-(Math.atan2 (player.x-currentOrbitX,))

Player.y - currentOrbitY) * 180 / Math.PI);

}

function checkDistance() {}

distanceX = planet.x - player.x;

distanceY = planet.y - player.y;

distance = Math.sqrt (distanceX * distanceX + distanceY * distanceY);

}

In my real file the only funds I have are two movieclips. The two are already on the scene, one named 'planet', 150 x 150 and the orientation is in the Center. An other named 'player' which is around 20hx50w, orientation to the feet "power plants" of the movieclip.

Any matter or information which I'll get back to you as soon as POSSIBLE.

Thanks again.

You are checking if the button upwards and always set your status to fall. Check if you have landed in order to not accidentally put it:

If ((currentPlayerState == 'jump') & (keys [Keyboard.UP] == false))

{

If (distance > planet.width / 2 + 100)

{

currentPlayerState = "drifting."

} else {}

currentPlayerState = 'falling ';

}

}

Without checking if you jump, when UP is more pressed this continually sets your status as 'drifting' or 'falling', even if you "fell" and finally reached the planet and set. It would crush him. By checking if I was currently jumping, then just set the State so when I land it does not work.

Also one thing, you may want to consider is only under ENTER_FRAME keyDown and stopping the ENTER_FRAME, once you no longer need (e.g. landed).

Small example, at the top of your code to delete:

addEventListener (Event.ENTER_FRAME, updateGame);

Then add it when you really need:

function KeyDown(e:KeyboardEvent):void

{

Keys [e.keycode] = true;

addEventListener (Event.ENTER_FRAME, updateGame);

}

Delete if landed:

in the switch statement

'landed ': case

trace ("Landed, removing enterFrame");

removeEventListener (Event.ENTER_FRAME, updateGame);

It adds a very short deadline to keypress initial but you get the idea, it will save tons of unnecessary treatment.

Tags: Adobe Animate

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