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私のplatformcollision関数では、プレイヤーが左側の衝突をチェックしている間はすべて正常です。私のプレーヤーは、それをやり直すことはできません。しかし、戦闘機を左に置いて、右のプラットフォームと衝突しているかどうかを確認すると、プレイヤーは直ちにプラットフォームの横に移動します。なぜ私はプレイヤーがその右側を確認するために、他のプレイヤーからのif文で算術記号を反転させるのか、理解できないのです。actionscript 3の横の衝突の問題flash
import flash.events.Event;
import flash.display.MovieClip;
var Key:KeyObject = new KeyObject(stage);//Help the stage checks for keypressed objects //Initialized variable integers
var hsp:Number = 0;// horizontal speed
var vsp:Number = 0;// vertical speed
var grav:Number = 2;//Gravity
var fric:Number = .5;//Friction
var floor:int = 800;//Bottom of the stage
//All Booleans
var lDown:Boolean = false;
var rDown:Boolean = false;
var jumped:Boolean = false;
var attacking:Boolean = false;
warMage.gotoAndStop("idleWarmage");//Initially starts at idle state
stage.addEventListener(Event.ENTER_FRAME, keyPressed);//Listens for buttons pressed
stage.addEventListener(Event.ENTER_FRAME, gameloop);// The physics applied to character
stage.addEventListener(Event.ENTER_FRAME, platformCollision);
function keyPressed(e:Event):void
{
if(Key.isDown(Key.LEFT))//If we pressed the left arrow button
{
lDown = true;//Condition to check if player is in running state
if(lDown = true)//If we are running left
{
hsp -= 15;//Move left
warMage.gotoAndStop("RunWarmage");//Play the running animation
warMage.scaleX = -1;//Flip the image scale
}
}else if(Key.isDown(Key.RIGHT))//If we pressed the right arrow button
{
rDown = true;//Condition to check if player is in running state
if(rDown = true)//If we are moving right
{
hsp += 15;//Move the position right
warMage.gotoAndStop("RunWarmage");//Play the animation
warMage.scaleX = 1//Face right
}
}else if(Key.isDown(Key.SPACE))//If we press the spacebar
{
warMage.gotoAndStop("AttackWarmage");//Play teh attack animation
warMage.x += 5; //Lunge right
if(warMage.scaleX == -1)//If we are initially facing left
{
warMage.x -= 10;//Lunge left
}
}else if(Key.isDown(Key.DOWN))
{
warMage.gotoAndStop("CrouchWarmage");
}else if(Key.isDown(Key.UP) || jumped == true)//If we press the up arrow or we've jumped
{
warMage.y -= 60;//vertical speed goes up to 20
jumped = true;//We know that player has jumped
warMage.gotoAndStop("JumpWarmage");//Play teh jump animation
}else if(jumped == false)//If we're not jumping
{
warMage.gotoAndStop("idleWarmage");//Return to idle position
}
}
function gameloop(e:Event):void
{
warMage.y += grav;//Apply gravity to the player
hsp *= fric;//Friction is applied to hsp to prevent infinite acceleration
warMage.x += hsp;//The plater moves horizontal position
if(warMage.x - warMage.width/2 < 0)//If the player goes past the left side
{
warMage.x = warMage.width/2;
}
if(warMage.x + warMage.width/2 > 1400)//If the player goes past right
{
warMage.x = 1400 - warMage.width/2;//Player cant go past
}
if(warMage.y < floor)//If we are above the floor
{
// warMage.y += grav;//Apply gravity to the player
grav++;//Accelerate gravity in the process
warMage.gotoAndStop("JumpWarmage");//Play the jump animation
} else //if(warMage.y - warMage.height/2 > floor)
{
jumped = false;//If we are on the floor then we're not jumping
grav = 0;//Gravity can no longer be applied
warMage.y = floor;//Player sits on top of the floor
}
}
function platformCollision(e:Event):void
{
//If the player.x is less then the left side and the player can go into the box and if the warMage.y is equal to the height
if(warMage.x - warMage.width/2 < platform.x + platform.width/2 + 2 && warMage.y - platform.y == platform.height/2)
{
warMage.x = platform.x + platform.width/2 + warMage.width/2;
//Player.x is equal to the left side of the platform
}
if(warMage.x + warMage.width/2 > platform.x - platform.width/2 - 2 && warMage.y - platform.y == platform.height/2)
{
rDown = false;
warMage.x = platform.x - platform.width/2 - warMage.width/2;
//Player.x is equal to the left side of the platform
}
}
ありがとうございました。この2dプラットフォームのコードは非常に困難です。 – user199845