火箭降落副本 | JavaScript 程式專案

{"id":165669,"student_id":3760,"content":"setBackdrop('bg.jpg');\nvar platform = createSprite(\"platform.png\");\nvar rocket = createSprite([\"rocket.png\",\"bomb.png\"]);\nvar fuel = 500;\nvar vx = 0;\nvar vy = 0;\n\nplatform.x = 500;\nplatform.y = 450;\n\nrocket.x = 50;\nrocket.y = 50;\nrocket.direction = 0;\n\nforever(function() {\n    rocket.y += vy;\n    rocket.x += vx;\n    rocket.direction = vx*10;\n    \n    \n    \n    \n    \n    \n    if (fuel \u003e 0) {\n        if (key.up) {\n            vy -= 0.1;\n            fuel -= 1;\n        }\n        if (key.right) {\n            vx += 0.1;\n            fuel -= 1;\n        }\n        if (key.left) {\n            vx -= 0.1;\n            fuel -= 1;\n        }\n    }\n    \n    if (rocket.touched(platform)) {\n        if (vy \u003e 1) {\n            rocket.costumeId = 1; \n        }\n        if (rocket.direction\u003e10 || rocket.direction\u003c-10) {\n            rocket.costumeId = 1; \n        }\n        stop();\n    }\n    \n    if (rocket.x\u003c0 || rocket.x\u003e640 || rocket.y\u003c0 || rocket.y\u003e480) {\n        rocket.costumeId = 1; \n        stop();\n    }\n    \n    vy += 0.05;\n    print(\"fuel: \"+fuel, 10, 10, \"red\", 20);\n    print(\"x: \"+Math.floor(rocket.x)+\" y: \"+Math.floor(rocket.y), 10, 50, \"white\", 20);\n});\n","created_at":"2020-07-17T15:30:06.663+08:00","updated_at":"2021-07-28T22:41:15.285+08:00","name":"火箭降落 副本","language":"javascript","screenshot":{"url":"https://cdn2.koding.school/uploads/project/screenshot/165669/4d1b678a6f851611372d76a8be777b39.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":null,"status":"public","like_student_ids":[],"is_featured":false,"views":41,"hashid":"yeys96dz","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}