星際坦克 | JavaScript 程式專案

{"id":25890,"student_id":3499,"content":"\nvar aim = createSprite(\"aim.png\");\nvar tank = createSprite(\"tank.png\");\nvar clock = 0\n\n\nfunction createEnemy() {\n    var enemy = createSprite(\"enemy.png\");\n    if (Math.random() \u003e 0.5) { enemy.x = 10; }\n    else { enemy.x = 630; }\n\n    if (Math.random() \u003e 0.5) { enemy.y = 10 }\n    else { enemy.y = 470 }\n\n    enemy.direction = Math.random() * 360;\n\n    enemy.forever(function () {\n        enemy.stepForward(3);\n        if (enemy.x \u003e 630) {\n            enemy.direction = (Math.random() * 180) + 180;\n        }\n        if (enemy.x \u003c 10) {\n            enemy.direction = Math.random() * 180;\n        }\n        if (enemy.y \u003e 470) {\n            enemy.direction = (Math.random() * 180) + 270;\n        }\n        if (enemy.y \u003c 10) {\n            enemy.direction = (Math.random() * 180) + 90;\n        }\n    });\n\n\n\n\n}\ncreateEnemy();\ncreateEnemy();\ncreateEnemy();\ncreateEnemy();\ncreateEnemy();\ncreateEnemy();\ncreateEnemy();\ncreateEnemy();\ncreateEnemy();\ncreateEnemy();\n\nif (cursor.left \u0026\u0026 clock % 10 == 0) {\n    var bullet = createSprite(\"bullet.png\");\n    bullet.x = tank.x;\n    bullet.y = tank.y;\n    bullet.direction = tank.direction;\n\n    bullet.forever(function () {\n        bullet.stepForward(8);\n    });\n}\n\n\n\n\n\n\n","created_at":"2018-03-28T10:09:26.370+08:00","updated_at":"2019-10-16T02:59:22.729+08:00","name":"星際坦克","language":"javascript","screenshot":{"url":"https://cdn5.koding.school/uploads/project/screenshot/25890/796209f8ef5bd860d4ce547fe943ddc6.jpg"},"parent_id":11653,"plugin":"var clock = 0;\nwhen(\"holding\",\"w\",function(){\n    tank.y = tank.y - 3;\n})\nwhen(\"holding\",\"a\",function(){\n    tank.x = tank.x - 3;\n})\nwhen(\"holding\",\"s\",function(){\n    tank.y = tank.y + 3;\n})\nwhen(\"holding\",\"d\",function(){\n    tank.x = tank.x + 3;\n})\nsetBackdrop(\"black\");\nsound.play(\"background.mp3\");\nsound.loop = true;\nforever(function(){\n\n    if(tank.x\u003e630){\n        tank.x=630;\n    }\n    if(tank.x\u003c10){\n        tank.x=10;\n    }\n    if(tank.y\u003e470){\n        tank.y=470;\n    }\n    if(tank.y\u003c10){\n        tank.y=10;\n    }\n\n\n    clock++;\n})\n","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":124,"hashid":"npmsznvp","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}