らき☆すたOP

by brick 19 Dec 2008

Embed

// write as3 code here..
package {
	import flash.display.Sprite;
	import flash.display.StageAlign;
	import flash.display.StageScaleMode;
	import flash.events.Event;
	
	public class LuckyStarOp extends Sprite {
		private var starSize:Number = 200;
		private var stars:Array = new Array();
		
		private var vr:Number = 0;
		private var vx:Number = 0;
		private var vy:Number = 0;
		private var vscale:Number = -0.1;
		private var targetX:Number = stage.stageWidth / 2;
		private var targetY:Number = stage.stageHeight / 2;
		private var targetR:Number = 360 - (Math.PI / 10 * 180 / Math.PI);
		private var initX:Number = 0 - 50;
		private var initY:Number = stage.stageHeight + 50;
		private var star1:LuckyStar1;
		private var star2:LuckyStar1;
		private var star3:LuckyStar1;
		private var easing:Number = 0.2;
		
		
		public function LuckyStarOp() {
			init();
		}
		
		private function init():void {
			stage.scaleMode = StageScaleMode.NO_SCALE;
			stage.align = StageAlign.TOP_LEFT;
			
			star1 = new LuckyStar1(starSize, 0x000000);
			star1.x = initX;
			star1.y = initY;
			addChild(star1);
			star2 = new LuckyStar1(0.7 * starSize, 0xffffff);
			star1.addChild(star2);			
			star3 = new LuckyStar1(starSize, 0xf10481);
			star1.addChild(star3);
			
			addEventListener(Event.ENTER_FRAME, onEnterFrame);
		}
		
		private function onEnterFrame(event:Event):void {
			vx = (targetX - star1.x) * easing;
			vy = (targetY - star1.y) * easing;
			star1.x += vx;
			star1.y += vy;

			vr = (targetR - rotationToDegree(star1.rotation)) * easing;
			star1.rotation += vr;
			
			if (targetR - rotationToDegree(star1.rotation) < 1) {
				if (star3.scaleX > 0.4) {
					trace('stop');
					star3.scaleX += -0.1;
					star3.scaleY += -0.1;
				} else {
					trace('width: ' + star3.width);
					if (star1.width > 30) {
						star1.scaleX *= 0.7;
						star1.scaleY *= 0.7;
					}
				}
			}
		}

		private function rotationToDegree(rot:Number) {
			if (rot < 0) {
				return (360 + rot);
			}
			return rot;
		}
	}
}

	import flash.display.Sprite;
	
	class LuckyStar1 extends Sprite {
		private var radius:Number;
		private var color:uint;
		private var scale:Number = 0.55;
		private var scale2:Number = 0.515;
		
		public function LuckyStar1(radius:Number = 40, color:uint = 0xff0000) {
			this.radius = radius;
			this.color = color;
			init();
		}
		
		private function init():void {
			graphics.beginFill(this.color);
			
			var radian:Number;
			var rad_center:Number;
			
			radian = 0 / 5 * 2 * Math.PI;
			graphics.moveTo(this.radius * Math.cos(radian), this.radius * Math.sin(radian));
//			var ball:Ball = new Ball(5);
//			addChild(ball);
//			ball.x = this.radius * Math.cos(radian);
//			ball.y = this.radius * Math.sin(radian);
			
			rad_center = 1 / 5 * 2 * Math.PI;
			radian = 2 / 5 * 2 * Math.PI;
			graphics.curveTo(scale * this.radius * Math.cos(rad_center), scale * this.radius * Math.sin(rad_center), this.radius * Math.cos(radian), this.radius * Math.sin(radian));

			rad_center = 3 / 5 * 2 * Math.PI;
			radian = 4 / 5 * 2 * Math.PI;
			graphics.curveTo(scale * this.radius * Math.cos(rad_center), scale * this.radius * Math.sin(rad_center), this.radius * Math.cos(radian), this.radius * Math.sin(radian));
			
			rad_center = 0 / 5 * 2 * Math.PI;
			radian = 1 / 5 * 2 * Math.PI;
			graphics.curveTo(scale * this.radius * Math.cos(rad_center), scale * this.radius * Math.sin(rad_center), this.radius * Math.cos(radian), this.radius * Math.sin(radian));

			rad_center = 2 / 5 * 2 * Math.PI;
			radian = 3 / 5 * 2 * Math.PI;
			graphics.curveTo(scale * this.radius * Math.cos(rad_center), scale * this.radius * Math.sin(rad_center), this.radius * Math.cos(radian), this.radius * Math.sin(radian));

			rad_center = 4 / 5 * 2 * Math.PI;
			radian = 0 / 5 * 2 * Math.PI;
			graphics.curveTo(scale * this.radius * Math.cos(rad_center), scale * this.radius * Math.sin(rad_center), this.radius * Math.cos(radian), this.radius * Math.sin(radian));
			
			graphics.endFill();
			
//			graphics.lineStyle(1);
//			graphics.drawCircle(this.x, this.y, this.radius * scale);
//			graphics.drawCircle(this.x, this.y, this.radius * scale2);
			
			
			graphics.beginFill(this.color);
			radian = 1 / 5 * Math.PI;
			graphics.moveTo(scale2 * this.radius * Math.cos(radian), scale2 * this.radius * Math.sin(radian));
			
			rad_center = 1 / 5 * 2 * Math.PI;
			radian = 3 / 5 * Math.PI;
			graphics.curveTo(scale * this.radius * Math.cos(rad_center), scale * this.radius * Math.sin(rad_center), scale2 * this.radius * Math.cos(radian), scale2 * this.radius * Math.sin(radian));

			rad_center = 2 / 5 * 2 * Math.PI;
			radian = 5 / 5 * Math.PI;
			graphics.curveTo(scale * this.radius * Math.cos(rad_center), scale * this.radius * Math.sin(rad_center), scale2 * this.radius * Math.cos(radian), scale2 * this.radius * Math.sin(radian));

			rad_center = 3 / 5 * 2 * Math.PI;
			radian = 7 / 5 * Math.PI;
			graphics.curveTo(scale * this.radius * Math.cos(rad_center), scale * this.radius * Math.sin(rad_center), scale2 * this.radius * Math.cos(radian), scale2 * this.radius * Math.sin(radian));

			rad_center = 4 / 5 * 2 * Math.PI;
			radian = 9 / 5 * Math.PI;
			graphics.curveTo(scale * this.radius * Math.cos(rad_center), scale * this.radius * Math.sin(rad_center), scale2 * this.radius * Math.cos(radian), scale2 * this.radius * Math.sin(radian));

			rad_center = 0 / 5 * 2 * Math.PI;
			radian = 1 / 5 * Math.PI;
			graphics.curveTo(scale * this.radius * Math.cos(rad_center), scale * this.radius * Math.sin(rad_center), scale2 * this.radius * Math.cos(radian), scale2 * this.radius * Math.sin(radian));
			
			graphics.endFill();
			
			//this.rotation -= 90;
		}
	}