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			163 lines
		
	
	
		
			4.4 KiB
		
	
	
	
		
			ActionScript
		
	
	
	
	
	
			
		
		
	
	
			163 lines
		
	
	
		
			4.4 KiB
		
	
	
	
		
			ActionScript
		
	
	
	
	
	
| package alternativa.engine3d.materials {
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| 	import alternativa.engine3d.*;
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| 	import alternativa.engine3d.core.Camera3D;
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| 	import alternativa.engine3d.display.Skin;
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| 	
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| 	import flash.display.BlendMode;
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| 	import flash.display.Graphics;
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| 	
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| 	use namespace alternativa3d;
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| 	
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| 	/**
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| 	 * Материал, заполняющий грань сплошной одноцветной заливкой. Помимо заливки цветом, материал может рисовать границу
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| 	 * грани линией заданной толщины и цвета.
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| 	 */	
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| 	public class FillMaterial extends SurfaceMaterial {
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| 		/**
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| 		 * @private
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| 		 * Цвет
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| 		 */
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| 		alternativa3d var _color:uint;
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| 
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| 		/**
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| 		 * @private
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| 		 * Толщина линий обводки 
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| 		 */
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| 		alternativa3d var _wireThickness:Number;
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| 		
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| 		/**
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| 		 * @private
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| 		 * Цвет линий обводки 
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| 		 */
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| 		alternativa3d var _wireColor:uint;
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| 		
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| 		/**
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| 		 * Создание экземпляра класса.
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| 		 * 
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| 		 * @param color цвет заливки
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| 		 * @param alpha коэффициент непрозрачности материала. Значение 1 соответствует полной непрозрачности, значение 0 соответствует полной прозрачности.
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| 		 * @param blendMode режим наложения цвета
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| 		 * @param wireThickness толщина линии обводки
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| 		 * @param wireColor цвет линии обводки
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| 		 */		
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| 		public function FillMaterial(color:uint, alpha:Number = 1, blendMode:String = BlendMode.NORMAL, wireThickness:Number = -1, wireColor:uint = 0) {
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| 			super(alpha, blendMode);
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| 			_color = color;
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| 			_wireThickness = wireThickness;
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| 			_wireColor = wireColor;
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| 		}
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| 		
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| 		/**
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| 		 * @private
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| 		 * @inheritDoc
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| 		 */		
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| 		override alternativa3d function draw(camera:Camera3D, skin:Skin, length:uint, points:Array):void {
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| 			skin.alpha = _alpha;
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| 			skin.blendMode = _blendMode;
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| 
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| 			var i:uint;
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| 			var point:DrawPoint;
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| 			var gfx:Graphics = skin.gfx;
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| 			
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| 			if (camera._orthographic) {
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| 				gfx.beginFill(_color);
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| 				if (_wireThickness >= 0) {
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| 					gfx.lineStyle(_wireThickness, _wireColor);
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| 				}
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| 				point = points[0];
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| 				gfx.moveTo(point.x, point.y);
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| 				for (i = 1; i < length; i++) {
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| 					point = points[i];
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| 					gfx.lineTo(point.x, point.y);
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| 				}
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| 				if (_wireThickness >= 0) {
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| 					point = points[0];
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| 					gfx.lineTo(point.x, point.y);
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| 				}
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| 			} else {
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| 				gfx.beginFill(_color);
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| 				if (_wireThickness >= 0) {
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| 					gfx.lineStyle(_wireThickness, _wireColor);
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| 				}
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| 				point = points[0];
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| 				var perspective:Number = camera.focalLength/point.z;
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| 				gfx.moveTo(point.x*perspective, point.y*perspective);
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| 				for (i = 1; i < length; i++) {
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| 					point = points[i];
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| 					perspective = camera.focalLength/point.z;
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| 					gfx.lineTo(point.x*perspective, point.y*perspective);
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| 				}
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| 				if (_wireThickness >= 0) {
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| 					point = points[0];
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| 					perspective = camera.focalLength/point.z;
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| 					gfx.lineTo(point.x*perspective, point.y*perspective);
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| 				}
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| 			}			
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| 		}
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| 		
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| 		/**
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| 		 * Цвет заливки.
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| 		 */
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| 		public function get color():uint {
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| 			return _color;
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| 		}
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| 
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| 		/**
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| 		 * @private
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| 		 */
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| 		public function set color(value:uint):void {
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| 			if (_color != value) {
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| 				_color = value;
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| 				if (_surface != null) {
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| 					_surface.addMaterialChangedOperationToScene();
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| 				}
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| 			}
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| 		}
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| 
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| 		/**
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| 		 * Толщина линии обводки. Если значение отрицательное, то обводка не рисуется.
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| 		 */
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| 		public function get wireThickness():Number {
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| 			return _wireThickness;
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| 		}
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| 		
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| 		/**
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| 		 * @private
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| 		 */		
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| 		public function set wireThickness(value:Number):void {
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| 			if (_wireThickness != value) {
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| 				_wireThickness = value;
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| 				if (_surface != null) {
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| 					_surface.addMaterialChangedOperationToScene();
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| 				}
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| 			}
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| 		}
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| 
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| 		/**
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| 		 * Цвет линии обводки.
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| 		 */
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| 		public function get wireColor():uint {
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| 			return _wireColor;
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| 		}
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| 		
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| 		/**
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| 		 * @private
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| 		 */		
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| 		public function set wireColor(value:uint):void {
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| 			if (_wireColor != value) {
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| 				_wireColor = value;
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| 				if (_surface != null) {
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| 					_surface.addMaterialChangedOperationToScene();
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| 				}
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| 			}
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| 		}
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| 		
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| 		/**
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| 		 * @inheritDoc
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| 		 */		
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| 		override public function clone():Material {
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| 			var res:FillMaterial = new FillMaterial(_color, _alpha, _blendMode, _wireThickness, _wireColor); 
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| 			return res;
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| 		}
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| 	}
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| } | 
