火箭降落 | JavaScript 程式專案

{"id":23496,"student_id":3206,"content":"setBackdrop('bg.jpg');\nvar platform = createSprite(\"platform.png\");\nvar rocket = createSprite([\"rocket.png\", \"bomb.png\"]);\nvar fuel = 500;\nvar vy = 0;\nrocket.x = 50;\nrocket.y = 50;\nplatform.x = 550;\nplatform.y = 460;\nrocket.direction -= 90;\nvar a = true;\nvar b = true;\nvar vx = 0;\nvar vy = 0;\nforever(function() {\n    print(fuel, 20, 20, \"blue\", 50)\n    vy = vy+0.06;\n    //rocket.y =rocket.y+1;\n    rocket.x = rocket.x+vx;\n    rocket.y = rocket.y+vy;\n    if(fuel\u003e=0){\n        if (key.up) {\n        vy -=0.1;\n        fuel-=1;\n    }\n    }\n    if (key.left) {\n        vx = vx-0.1;\n        rocket.direction -= 0.3;\n    }\n    if (key.right) {\n        vx = vx+0.1;\n        rocket.direction += 0.3;\n    }\n    print(vy, 20, 70, \"blue\", 50)\n    if(rocket.touched(platform)\u0026\u0026vy\u003c3){\n        stop();\n    }\n    if(rocket.touched(platform)\u0026\u0026vy\u003e1){\n        rocket.costumeId=1;\n        stop();\n    }\n    if(rocket.touched(platform)\u0026\u0026vx\u003c3){\n        stop();\n    }\n    if(rocket.touched(platform)\u0026\u0026vx\u003e1){\n        rocket.costumeId=1;\n        stop();\n    }\n    if(rocket.x\u003e=640||rocket.y\u003e=480)\n    {\n        rocket.costumeId=1;\n        stop();\n    }\n    if(rocket.x\u003c=0||rocket.y\u003c=0)\n    {\n        rocket.costumeId=1;\n        print(\"YOUWIN\",40,60,\"blue\",100)\n        setTimeout(function() {stop();}, 1000);\n        \n    }\n});","created_at":"2018-03-03T18:13:34.190+08:00","updated_at":"2022-09-08T14:54:51.136+08:00","name":"火箭降落","language":"javascript","screenshot":{"url":"https://cdn9.koding.school/uploads/project/screenshot/23496/161160fc8e5d9a389552d5efd2b7d925.jpg"},"parent_id":10697,"plugin":"var fire = createSprite(\"fire.png\");\nfire.scale = 0.7;\nforever(function() {\n    if(window.rocket \u0026\u0026 window.platform) {\n        fire.x = rocket.x;\n        fire.y = rocket.y;\n        fire.direction = rocket.direction - 180;\n        fire.stepForward(65);\n        fire.direction = rocket.direction;\n        if(window.rocket \u0026\u0026 (key.up || key.left || key.right) \u0026\u0026 window.fuel\u003e0) {\n            fire.hidden = false;\n        } else {\n            fire.hidden = true;\n        }\n        if(rocket.touched(platform)) {\n            // fire.hidden = true;\n        }\n    }\n});","description":"上、左、右推進火箭\n在料用盡前成功火箭降落在平台上。","note":"","status":"public","like_student_ids":[],"is_featured":false,"views":89,"hashid":"rdvs4j39","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}