LayaAir 模仿王者荣耀人物控制轮盘

// 程序入口

class GameMain{

private round: Laya. Sprite; //控制圆

private hero: Laya. Sprite; //人物

private direction: Laya. Sprite; //方向圆

private speed: number = 0;

private angle: number;

private centerX: number = - 1;

private centerY: number = - 1;

constructor()

{

Laya. init( 1027, 800);

Laya. stage. on( Laya. Event. MOUSE_DOWN, this, this. mouseDown);

Laya. stage. on( Laya. Event. MOUSE_UP, this, this. mouseUp);

this. round = new Laya. Sprite;

this. direction = new Laya. Sprite;

this. hero = new Laya. Sprite;

this. hero. graphics. drawPoly( Laya. stage. width/ 2, Laya. stage. height/ 2, [ 0, 100, 50, 0, 100, 100], "#ffff00");

this. hero. pivot( 50, 50);

Laya. stage. addChild( this. round);

Laya. stage. addChild( this. direction);

Laya. stage. addChild( this. hero);

Laya. timer. frameLoop( 1, this, this. heroMove);

}

mouseDown(){

this. direction. pos( Laya. stage. mouseX, Laya. stage. mouseY);

this. direction. graphics. drawCircle( 0, 0, 5, "#0000ff");

this. round. graphics. drawCircle( Laya. stage. mouseX, Laya. stage. mouseY, 25, "#00ffff");

this. round. graphics. drawCircle( Laya. stage. mouseX, Laya. stage. mouseY, 3, "#ffffff");

this. centerX = Laya. stage. mouseX;

this. centerY = Laya. stage. mouseY;

Laya. stage. on( Laya. Event. MOUSE_MOVE, this, this. mouseMove);

}

mouseUp(){

Laya. stage. off( Laya. Event. MOUSE_MOVE, this, this. mouseMove);

this. speed = 0;

this. round. graphics. clear();

this. direction. graphics. clear();

}

mouseMove( e: MouseEvent){

if( this. centerX>= 0&& this. centerY>= 0){

//计算两点距离 如果超过一定距离 就停留在距离最大值处

let dis = this. dis( this. centerX, this. centerY, Laya. stage. mouseX, Laya. stage. mouseY);

if( dis> 20){

this. direction. pos( this. centerX + Math. cos( this. angle)* 20, this. centerY + Math. sin( this. angle)* 20);

} else{

this. direction. pos( Laya. stage. mouseX, Laya. stage. mouseY);

}

//如果距离太小 就代表没动

if( dis> 3){

this. speed = 3; //此处还可以通过距离 控制速度

} else{

this. speed = 0;

}

}

}

heroMove(){

if( this. speed> 0){

let dx: number = Laya. stage. mouseX - this. centerX;

let dy: number = Laya. stage. mouseY - this. centerY;

this. angle = Math. atan2( dy, dx);

this. hero. x += Math. cos( this. angle)* this. speed;

this. hero. y += Math. sin( this. angle)* this. speed;

}

}

dis( centerX, centerY, mouseX, mouseY){

let dx: number = centerX - mouseX;

let dy: number = centerY - mouseY;

let distance: number = Math. sqrt( dx* dx+ dy* dy);

return distance;

}

}

new GameMain();

有时间将会对这个轮盘进行封装和美化!