/**
* Copyright talte ( http://wonderfl.net/user/talte )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/r763
*/
package {
import flash.display.Sprite
import flash.events.Event
import flash.events.MouseEvent
import flash.text.TextField
import flash.text.TextFieldAutoSize
public class Field extends Sprite
{
private var slider_acc:Slider
private var slider_decay:Slider
private var slider_vel0:Slider
private var text_acc:TextField
private var text_decay:TextField
private var text_vel0:TextField
public function Field()
{
stage.showDefaultContextMenu = false
stage.focus = this
this.addEventListener(Event.ADDED_TO_STAGE, onInit)
}
public function onInit(event:Event):void
{
this.graphics.lineStyle(1, 0x000000)
this.graphics.beginFill(0xff7777)
this.graphics.drawCircle(stage.stageWidth / 2, stage.stageHeight * 2 / 3, 10)
this.graphics.endFill()
this.slider_vel0 = new Slider
this.slider_vel0.x = 10
this.slider_vel0.y = 30
this.slider_vel0.value = 0.2
this.slider_vel0.addEventListener(Event.CHANGE, this.onChange)
this.addChild(this.slider_vel0)
Bullet.vel0 = Math.pow(slider_vel0.value * 5, 2)
this.text_vel0 = new TextField
this.text_vel0.x = 10
this.text_vel0.y = 10
this.text_vel0.autoSize = TextFieldAutoSize.LEFT
this.text_vel0.text = "初速：" + Bullet.vel0
this.addChild(this.text_vel0)
this.slider_acc = new Slider
this.slider_acc.x = 10
this.slider_acc.y = 70
this.slider_acc.value = 0.5
this.slider_acc.addEventListener(Event.CHANGE, this.onChange)
this.addChild(this.slider_acc)
Bullet.acc = slider_acc.value
this.text_acc = new TextField
this.text_acc.x = 10
this.text_acc.y = 50
this.text_acc.autoSize = TextFieldAutoSize.LEFT
this.text_acc.text = "加速：" + Bullet.acc
this.addChild(this.text_acc)
this.slider_decay = new Slider
this.slider_decay.x = 10
this.slider_decay.y = 110
this.slider_decay.value = 0.9
this.slider_decay.addEventListener(Event.CHANGE, this.onChange)
this.addChild(this.slider_decay)
Bullet.decay = 1 - Math.pow(1 - slider_decay.value, 2)
this.text_decay = new TextField
this.text_decay.x = 10
this.text_decay.y = 90
this.text_decay.autoSize = TextFieldAutoSize.LEFT
this.text_decay.text = "減衰：" + Bullet.decay
this.addChild(this.text_decay)
stage.addEventListener(MouseEvent.MOUSE_DOWN, this.onMouseDown)
}
private function onMouseDown(event:MouseEvent):void
{
var bullet:Bullet = new Bullet(stage.stageWidth / 2, stage.stageHeight * 2 / 3, Math.atan2(event.stageY - stage.stageHeight * 2 / 3, event.stageX - stage.stageWidth / 2) * 180 / Math.PI)
this.addChild(bullet)
}
private function onChange(event:Event):void
{
var slider:Slider = Slider(event.target)
if (slider == slider_vel0)
{
Bullet.vel0 = Math.pow(slider_vel0.value * 5, 2)
this.text_vel0.text = "初速：" + Bullet.vel0
}
else if (slider == slider_acc)
{
Bullet.acc = slider_acc.value
this.text_acc.text = "加速：" + Bullet.acc
}
else if (slider == slider_decay)
{
Bullet.decay = 1 - Math.pow(1 - slider_decay.value, 2)
this.text_decay.text = "減衰：" + Bullet.decay
}
}
}
}
import flash.display.Sprite
import flash.events.Event
import flash.events.MouseEvent
import flash.geom.Rectangle
class Bullet extends Sprite
{
public static var vel0:Number = 0
public static var acc:Number = 0
public static var decay:Number = 0
private var pos_x:Number
private var pos_y:Number
private var vel_x:Number = 0
private var vel_y:Number = 0
private var dir:Number
public function Bullet(x:Number, y:Number, dir:Number)
{
this.pos_x = x
this.pos_y = y
this.dir = dir
this.vel_x = vel0 * Math.cos(dir * Math.PI / 180)
this.vel_y = vel0 * Math.sin(dir * Math.PI / 180)
this.graphics.lineStyle(1, 0x000000)
this.graphics.beginFill(0xff7777)
this.graphics.moveTo(5, 0)
this.graphics.lineTo(-5, -4)
this.graphics.lineTo(-5, 4)
this.graphics.lineTo(5, 0)
this.graphics.endFill()
this.rotation = dir
this.addEventListener(Event.ENTER_FRAME, this.onEnterFrame)
}
private function onEnterFrame(event:Event):void
{
this.pos_x += this.vel_x
this.pos_y += this.vel_y
this.vel_x *= decay
this.vel_y *= decay
this.vel_x += acc * Math.cos(this.dir * Math.PI / 180)
this.vel_y += acc * Math.sin(this.dir * Math.PI / 180)
this.x = this.pos_x
this.y = this.pos_y
}
}
class Slider extends Sprite
{
private var cursor:Sprite
private var drag:Boolean = false
public function Slider()
{
var child:Sprite = new Sprite
child.graphics.beginFill(0xdddddd)
child.graphics.drawRect(0, 0, 108, 9)
child.graphics.endFill()
child.graphics.beginFill(0x000000)
child.graphics.drawRect(4, 4, 100, 1)
child.graphics.endFill()
child.addEventListener(MouseEvent.MOUSE_DOWN, this.onMouseDown)
this.addChild(child)
this.cursor = new Sprite()
this.cursor.x = 4
this.cursor.y = 5
this.cursor.graphics.beginFill(0x000000)
this.cursor.graphics.moveTo(0, 0)
this.cursor.graphics.lineTo(-2, 4)
this.cursor.graphics.lineTo(2, 4)
this.cursor.graphics.lineTo(0, 0)
this.cursor.graphics.endFill()
this.cursor.addEventListener(MouseEvent.MOUSE_DOWN, this.cursor_onMouseDown)
this.addChild(this.cursor)
this.addEventListener(MouseEvent.MOUSE_MOVE, this.onMouseMove)
}
public function get value():Number
{
return (this.cursor.x - 4) / 100.0
}
public function set value(val:Number):void
{
if (val < 0)
{
val = 0
}
else if (val > 1)
{
val = 1
}
this.cursor.x = val * 100 + 4
}
private function onMouseDown(event:MouseEvent):void
{
this.cursor.x = this.mouseX
this.cursor.startDrag(false, new Rectangle(4, 5, 100, 0))
stage.addEventListener(MouseEvent.MOUSE_UP, this.cursor_onMouseUp)
this.drag = true
this.dispatchEvent(new Event(Event.CHANGE))
}
private function cursor_onMouseDown(event:MouseEvent):void
{
this.cursor.startDrag(false, new Rectangle(4, 5, 100, 0))
this.drag = true
stage.addEventListener(MouseEvent.MOUSE_UP, this.cursor_onMouseUp)
}
private function cursor_onMouseUp(event:MouseEvent):void
{
if (this.drag)
{
this.cursor.stopDrag()
stage.removeEventListener(MouseEvent.MOUSE_UP, this.cursor_onMouseUp)
this.drag = false
}
}
private function onMouseMove(event:MouseEvent):void
{
if (this.drag)
{
this.dispatchEvent(new Event(Event.CHANGE))
}
}
}
