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| package alternativa.engine3d.materials { | ||||
| 	import alternativa.engine3d.*; | ||||
| 	import alternativa.engine3d.core.Camera3D; | ||||
| 	import alternativa.engine3d.display.Skin; | ||||
| 	 | ||||
| 	import flash.display.BlendMode; | ||||
| 	import flash.display.Graphics; | ||||
| 	import alternativa.engine3d.core.PolyPrimitive; | ||||
| 	 | ||||
| 	use namespace alternativa3d; | ||||
| 	 | ||||
| 	/** | ||||
| 	 * Материал для рисования рёбер граней. | ||||
| 	 */	 | ||||
| 	public class WireMaterial extends SurfaceMaterial { | ||||
| 		/** | ||||
| 		 * @private | ||||
| 		 * Цвет | ||||
| 		 */ | ||||
| 		alternativa3d var _color:uint; | ||||
| 		/** | ||||
| 		 * @private | ||||
| 		 * Толщина линий | ||||
| 		 */ | ||||
| 		alternativa3d var _thickness:Number; | ||||
| 		 | ||||
| 		/** | ||||
| 		 * Создание экземпляра класса. | ||||
| 		 *  | ||||
| 		 * @param thickness толщина линий | ||||
| 		 * @param color цвет линий | ||||
| 		 * @param alpha коэффициент непрозрачности линий. Значение 1 соответствует полной непрозрачности, значение 0 соответствует полной прозрачности. | ||||
| 		 * @param blendMode режим наложения цвета | ||||
| 		 */ | ||||
| 		public function WireMaterial(thickness:Number = 0, color:uint = 0, alpha:Number = 1, blendMode:String = BlendMode.NORMAL) { | ||||
| 			super(alpha, blendMode); | ||||
| 			_color = color; | ||||
| 			_thickness = thickness; | ||||
| 		} | ||||
|  | ||||
| 		/** | ||||
| 		 * @private | ||||
| 		 * @inheritDoc | ||||
| 		 */ | ||||
| 		override alternativa3d function canDraw(primitive:PolyPrimitive):Boolean { | ||||
| 			return _thickness >= 0; | ||||
| 		} | ||||
|  | ||||
| 		/** | ||||
| 		 * @private | ||||
| 		 * @inheritDoc | ||||
| 		 */ | ||||
| 		override alternativa3d function draw(camera:Camera3D, skin:Skin, length:uint, points:Array):void { | ||||
| 			skin.alpha = _alpha; | ||||
| 			skin.blendMode = _blendMode; | ||||
| 			 | ||||
| 			var i:uint; | ||||
| 			var point:DrawPoint; | ||||
| 			var gfx:Graphics = skin.gfx; | ||||
|  | ||||
| 			if (camera._orthographic) { | ||||
| 				gfx.lineStyle(_thickness, _color); | ||||
| 				point = points[length - 1]; | ||||
| 				gfx.moveTo(point.x, point.y); | ||||
| 				for (i = 0; i < length; i++) { | ||||
| 					point = points[i]; | ||||
| 					gfx.lineTo(point.x, point.y); | ||||
| 				} | ||||
| 			} else { | ||||
| 				// Отрисовка | ||||
| 				gfx.lineStyle(_thickness, _color); | ||||
| 				point = points[length - 1]; | ||||
| 				var perspective:Number = camera.focalLength/point.z; | ||||
| 				gfx.moveTo(point.x*perspective, point.y*perspective); | ||||
| 				for (i = 0; i < length; i++) { | ||||
| 					point = points[i]; | ||||
| 					perspective = camera.focalLength/point.z; | ||||
| 					gfx.lineTo(point.x*perspective, point.y*perspective); | ||||
| 				} | ||||
| 			}			 | ||||
| 		} | ||||
|  		 | ||||
| 		/** | ||||
| 		 * Цвет линий. | ||||
| 		 */ | ||||
| 		public function get color():uint { | ||||
| 			return _color; | ||||
| 		} | ||||
|  | ||||
| 		/** | ||||
| 		 * @private | ||||
| 		 */ | ||||
| 		public function set color(value:uint):void { | ||||
| 			if (_color != value) { | ||||
| 				_color = value; | ||||
| 				if (_surface != null) { | ||||
| 					_surface.addMaterialChangedOperationToScene(); | ||||
| 				} | ||||
| 			} | ||||
| 		} | ||||
| 		 | ||||
| 		/** | ||||
| 		 * Толщина линий. Если толщина отрицательная, то отрисовка не выполняется. | ||||
| 		 */ | ||||
| 		public function get thickness():Number { | ||||
| 			return _thickness; | ||||
| 		} | ||||
| 		 | ||||
| 		/** | ||||
| 		 * @private | ||||
| 		 */ | ||||
| 		public function set thickness(value:Number):void { | ||||
| 			if (_thickness != value) { | ||||
| 				_thickness = value; | ||||
| 				if (_surface != null) { | ||||
| 					_surface.addMaterialChangedOperationToScene(); | ||||
| 				} | ||||
| 			} | ||||
| 		} | ||||
| 		 | ||||
| 		/** | ||||
| 		 * @inheritDoc  | ||||
| 		 */		 | ||||
| 		override public function clone():Material { | ||||
| 			return new WireMaterial(_thickness, _color, _alpha, _blendMode); | ||||
| 		} | ||||
| 	} | ||||
| } | ||||
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