1

test/src/game/main.js

@@ -14,28 +14,26 @@ class GameStage extends WidgetBase {
     }
 
     addbodys() {
-        const ball1 = new Body({
-            display: 'box',
-            initialVelocityX: 2,
-            initialVelocityY: 2
+        const enemy = new Body({
+            display: 'enemy',
+            initialVelocityY: 1
         });
 
-        const ball2 = new Body({
-            display: 'box',
-            initialVelocityX: -2,
-            initialVelocityY: -2
+        const bullet = new Body({
+            display: 'bullet',
+            initialVelocityY: -4
         });
 
-        ball1.x = 0;
-        ball1.y = 0;
-        ball2.x = 600;
-        ball2.y = 600;
+        enemy.x = 150;
+        enemy.y = 0;
+        bullet.x = 170;
+        bullet.y = 600;
 
-        this.addChild(ball1);
-        this.bodys.push(ball1);
+        this.addChild(enemy);
+        this.bodys.push(enemy);
 
-        this.addChild(ball2);
-        this.bodys.push(ball2);
+        this.addChild(bullet);
+        this.bodys.push(bullet);
     }
 
     onEnterFrame() {
@@ -47,14 +45,13 @@ class GameStage extends WidgetBase {
     }
 
     checkCollide(A, B) {
-        const d = A.width;
-        const r = d / 2;
-        const pointA = [A.x + r, A.y + r];
-        const pointB = [B.x + r, B.y + r];
-        const distanceX = Math.abs(pointA[0] - pointB[0]);
-        const distanceY = Math.abs(pointA[1] - pointB[1]);
-        const distanceAB = Math.sqrt(distanceX * distanceX + distanceY * distanceY);
-        return distanceAB < d;
+        const pointA = [A.x + A.width / 2, A.y + A.height / 2];
+        const pointB = [B.x + B.width / 2, B.y + B.height / 2];
+        const x0 = Math.abs(pointA[0] - pointB[0]);
+        const y0 = Math.abs(pointA[1] - pointB[1]);
+        const x1 = A.width/2 + B.width/2;
+        const y1 = A.height/2 + B.height/2;
+        return x0 < x1 && y0 < y1;
     }
 
     stopGame() {

test/src/meta.json

@@ -9,6 +9,18 @@
 			]
 		},
 		"assets": [
+			{
+				"name": "enemy",
+				"ext": ".png",
+				"url": "//yun.duiba.com.cn/spark/assets/enemy1_fly1.1cded0d917c44d22ddce058f239e1cfac1b506c2.png",
+				"uuid": "enemy"
+			},
+			{
+				"name": "bullet",
+				"ext": ".png",
+				"url": "//yun.duiba.com.cn/spark/assets/bullet1.63bb85f32cabe5f986366c2d428c5e2aa2435230.png",
+				"uuid": "bullet"
+			},
 			{
 				"name": "齿轮",
 				"url": "//yun.duiba.com.cn/spark/assets/齿轮8.fce30eaadda192b44a1b80038011947830d45ad8.png",