火箭降落 | JavaScript 程式專案

{"id":7323,"student_id":1409,"content":"rocket.x=50;\nrocket.y=50;\nplatform.y=460;\nplatform.x=540;\nvar vx=0;\nvar vy=0;\nvar fuel=500;\n\n\n\n\nforever(function(){\n    print(fuel,30,30,'red',30);\n   if(fuel\u003e0){\n        if(key.up) {\n            fuel = fuel-1;\n            vy=vy-0.1;\n        }\n\n        if(key.left) {\n            fuel = fuel-1;\n            vx=vx-0.1;\n        }\n\n        if(key.right) {\n            fuel = fuel-1; \n            vx=vx+0.1 ;\n        }\n\n         if(vy\u003e0.6(rocket.costumeId=1));\n         if(vx\u003e0.6(rocket.costumeId=1));\n    }\n\nif(rocket.touched(platform)){\n    \n    stop();\n}\n\n\n\n\n    vy=vy+0.06;\n    rocket.x=rocket.x+vx;\n    rocket.y=rocket.y+vy;\n});\n","created_at":"2017-03-01T20:52:04.729+08:00","updated_at":"2019-10-22T21:07:54.157+08:00","name":"火箭降落","language":"javascript","screenshot":{"url":"https://cdn7.koding.school/uploads/project/screenshot/7323/da786cdddf9c9e70c6e3f0694aba919f.jpg"},"parent_id":7216,"plugin":"setBackdrop('bg.jpg');\n\nvar platform = createSprite(\"platform.png\");\nvar rocket = createSprite([\"rocket.png\",\"bomb.png\"]);\nvar fire = createSprite(\"fire.png\");\nfire.scale = 0.7;\nrocket.direction = 0;\n\nforever(function() {\n\tfire.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((key.up || key.left || key.right) \u0026\u0026 fuel\u003e0) {\n    \tfire.hidden = false;\n    } else {\n        fire.hidden = true;\n    }\n    if(rocket.touched(platform)) {\n        fire.hidden = true;\n    }\n});\n\n\n","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":222,"hashid":"zpesy6v","is_content_changed":null,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}