新增Physics.linecast/linecastAll方法

demo/src/Scenes/LineCasting/LineCaster.ts

@@ -0,0 +1,105 @@
+module samples {
+    import RenderableComponent = es.RenderableComponent;
+    import Vector2 = es.Vector2;
+    import Physics = es.Physics;
+
+    export class LineCaster extends RenderableComponent {
+        private _lastPosition = new Vector2(101, 101);
+        private _collisionPosition = new Vector2(-1, -1);
+        private _pixelShape1: egret.Shape;
+        private _pixelShape2: egret.Shape;
+        private _lineShape: egret.Shape;
+        private _pixelShape3: egret.Shape;
+        private _delayTime = 1;
+        private _pressTime = 0;
+        private _canTouch = true;
+
+        public get width(){
+            return 1000;
+        }
+
+        public get height(){
+            return 1000;
+        }
+
+        constructor() {
+            super();
+
+            this._pixelShape1 = new egret.Shape();
+            this._pixelShape2 = new egret.Shape();
+            this._lineShape = new egret.Shape();
+            this._pixelShape3 = new egret.Shape();
+
+            this.displayObject = new egret.DisplayObjectContainer();
+            let displayContainer = this.displayObject as egret.DisplayObjectContainer;
+            displayContainer.addChild(this._pixelShape1);
+            displayContainer.addChild(this._pixelShape2);
+            displayContainer.addChild(this._pixelShape3);
+            displayContainer.addChild(this._lineShape);
+        }
+
+        public onAddedToEntity(): void {
+            KeyboardUtils.registerKey(KeyboardUtils.SPACE, this.spaceDown, this, KeyboardUtils.TYPE_KEY_DOWN);
+        }
+
+        public onRemovedFromEntity(): void {
+            KeyboardUtils.unregisterKey(KeyboardUtils.SPACE, KeyboardUtils.TYPE_KEY_DOWN);
+        }
+
+        private spaceDown(){
+            let hit = Physics.linecast(this._lastPosition, this.transform.position);
+            if (hit.collider){
+                this._collisionPosition = hit.point;
+            }
+        }
+
+
+        public render(camera: es.Camera): any {
+            this._pixelShape1.graphics.clear();
+            this._pixelShape1.graphics.beginFill(0xffff00);
+            this._pixelShape1.graphics.lineStyle(4, 0xffff00);
+            this._pixelShape1.graphics.lineTo(this._lastPosition.x, this._lastPosition.y);
+            this._pixelShape1.graphics.endFill();
+
+            this._pixelShape2.graphics.clear();
+            this._pixelShape2.graphics.beginFill(0xffffff);
+            this._pixelShape2.graphics.lineStyle(4, 0xffffff);
+            this._pixelShape2.graphics.lineTo(this.transform.position.x, this.transform.position.y);
+            this._pixelShape2.graphics.endFill();
+
+            this._lineShape.graphics.clear();
+            this._lineShape.graphics.beginFill(0xffffff);
+            this._lineShape.graphics.lineStyle(1, 0xffffff);
+            this._lineShape.graphics.lineTo(this._lastPosition.x, this._lastPosition.y);
+            this._lineShape.graphics.lineTo(this.transform.position.x, this.transform.position.y);
+            this._lineShape.graphics.endFill();
+
+            this._pixelShape3.graphics.clear();
+            if (this._collisionPosition.x > 0 && this._collisionPosition.y > 0){
+                this._pixelShape3.graphics.beginFill(0xff0000);
+                this._pixelShape3.graphics.lineStyle(10, 0xff0000);
+                this._pixelShape3.graphics.lineTo(this._collisionPosition.x, this._collisionPosition.y);
+                this._pixelShape3.graphics.endFill();
+            }
+        }
+
+        public update(): void {
+            if (!this._canTouch){
+                if (this._pressTime > this._delayTime){
+                    this._canTouch = true;
+                    this._pressTime = 0;
+                }else{
+                    this._pressTime += es.Time.deltaTime;
+                }
+                return;
+            }
+
+            if (!es.Input.touchPosition.equals(Vector2.zero)){
+                this._lastPosition = this.transform.position;
+                this.transform.position = es.Input.touchPosition;
+                this._collisionPosition = new Vector2(-1, -1);
+                this._canTouch = false;
+            }
+        }
+    }
+}

demo/src/Scenes/LineCasting/LineCastingScene.ts

@@ -0,0 +1,25 @@
+module samples {
+    import Vector2 = es.Vector2;
+    import SpriteRenderer = es.SpriteRenderer;
+    import BoxCollider = es.BoxCollider;
+
+    export class LineCastingScene extends SampleScene {
+        public initialize(): void {
+            super.initialize();
+
+            this.content.loadRes("moon_png").then((moonTex: egret.Texture) => {
+                let playerEntity = this.createEntity("player");
+                playerEntity.position = new Vector2(es.Core.scene.width / 2, es.Core.scene.height / 2);
+                playerEntity.addComponent(new SpriteRenderer(moonTex));
+                let coll = new BoxCollider().setSize(moonTex.textureWidth, moonTex.textureHeight);
+                playerEntity.addComponent(coll);
+                playerEntity.position = new Vector2(200, 100);
+
+                let lineCaster = this.createEntity("linecaster").addComponent(new LineCaster());
+                lineCaster.transform.position = new Vector2(300, 100);
+
+                manager.AlterManager.alter_tips("lineCasting加载成功");
+            });
+        }
+    }
+}