太空訓練 | JavaScript 程式專案

{"id":22970,"student_id":1444,"content":"setBackdrop('#000000');\nvar ship = createSprite(\"ship.png\");\nvar food = createSprite(\"food.png\");\nfood.x = 100+Math.random()*440;\nfood.y = 100+Math.random()*280;\nvar bullets = [];\nvar score = 0;\nvar clock = 0;\nvar tmp = 0;\n\nforever(function () {\n\n    shipControl();\n    bullet();\n    eat();\n\n    print (score, 10, 10, 'white', 20);\n\n});\nfunction shipControl() {\n    ship.toward(cursor);\n    if (ship.touched(cursor) == false) {\n        ship.stepForward(3);\n    // }\n}\n\nfunction  bullet() {\n    clock ++;\n    if (clock % 3 == 0) {\n        var bullet = createSprite(\"bullet.png\");\n        bullet.direction = Math.random()*360;\n        bullet.stepForward (500);\n        bullet.direction = Math.random()*360;\n        bullets.push(bullet);\n        // print (bullets.length,10,10,'white',20)\n    }\n\n    for (var i = 0; i \u003c bullets.length; i++) {\n        bullets[i].stepForward(2);\n        if (bullets[i].touched(ship)) {\n            stop ();\n        }\n    }\n}\n\nfunction eat() {\n    if (ship.touched(food)) {\n        food.x = 100+Math.random()*440;\n        food.y = 100+Math.random()*280;\n        score ++;\n    }\n}\n","created_at":"2018-02-25T20:05:23.943+08:00","updated_at":"2019-06-01T18:51:10.604+08:00","name":"太空訓練","language":"javascript","screenshot":{"url":"https://cdn3.koding.school/uploads/project/screenshot/22970/9c7fc0070e1ada4c5f838d1785ebbef9.jpg"},"parent_id":10707,"plugin":"","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":100,"hashid":"rdvs486w","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}