火箭降落副本 | JavaScript 程式專案

{"id":39191,"student_id":1661,"content":"setBackdrop('bg.jpg');\nvar platform = createSprite(\"platform.png\");\nvar rocket = createSprite([\"rocket.png\", \"bomb.png\"]);\n\nvar vy = 0;\nvar vx = 0;\n\nrocket.direction = 0;\n\n\nrocket.x = 50;\nrocket.y = 50;\n\nplatform.x = 577;\nplatform.y = 154;\n\nvar fuel = 50000;\n\n\n\nforever(function() {\n    rocket.y = rocket.y+vy;\n    rocket.x = rocket.x+vx;\n    vy = vy +0.06;\n    if (fuel \u003e 0) {\n        if (key.up) {\n            vy = vy-0.1;\n            fuel = fuel-1;\n        }\n        if (key.right) {\n            vx = vx+0.1;\n            fuel = fuel-1;\n            rocket.direction = rocket.direction-1;\n        }\n        if (key.left) {\n            vx = vx-0.1;\n            fuel = fuel-1;\n            rocket.direction = rocket.direction+1;\n\n        }\n    }\n    \n    \n    \n    \n    \n    \n    \n    print(fuel, 30, 30, 'red', 35);\n    if (rocket.touched(platform)) {\n        if (vy \u003e 0.6 || vx \u003e 0.6) {\n            rocket.nextCostume = 1;\n        }\n        stop();\n    }\n\n});","created_at":"2018-08-19T09:54:07.840+08:00","updated_at":"2019-10-18T16:17:06.757+08:00","name":"火箭降落 副本","language":"javascript","screenshot":{"url":"https://cdn6.koding.school/uploads/project/screenshot/39191/2163939471cd7271648601c635e5230a.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":106,"hashid":"2pdsppkv","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}