火箭降落副本 | JavaScript 程式專案

{"id":61212,"student_id":234,"content":"setBackdrop('bg.jpg');\nvar platform = createSprite(\"platform.png\");\nvar rocket = createSprite([\"rocket.png\", \"bomb.png\"]);\nrocket.x = 50;\nrocket.y = 50;\nrocket.direction = 0;\nrocket.costumeId = 0;\n\nplatform.x = 320;\nplatform.y = 240;\nvar vx = 0;\nvar vy = 0;\nvar fuel = 5000;\n\nforever(function() {\n    if (fuel \u003e 0) {\n        if (rocket.x \u003e 640 || rocket.x \u003c 0 || rocket.y \u003e 480 ||\n            rocket.y \u003c 0) {\n            rocket.costumeId = 1;\n            stop();\n        }\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 = vx*5;\n        }\n        if (key.left) {\n            vx = vx - 0.1;\n            fuel = fuel - 1;\n            rocket.direction = vx*5;\n        }\n        if (rocket.touched(platform)) {\n            if (rocket.y \u003e platform.y || rocket.x \u003c platform.x - 80 ||\n            rocket.x \u003e platform.x + 80) {\n                        rocket.costumeId = 1;\n                        stop();\n            if (vy \u003e 0.6) {\n                if (vx \u003e0.6) {\n                    rocket.costumeId = 1;\n                    stop();\n                    }\n                }\n                rocket.costumeId = 1;\n                stop();\n            }\n            stop();\n        }\n    }\n    vy = vy + 0.06;\n    rocket.x = rocket.x + vx;\n    rocket.y = rocket.y + vy;\n    print (fuel, 30, 30, 'red', 30);\n});","created_at":"2019-03-30T13:38:05.364+08:00","updated_at":"2019-10-29T16:02:05.401+08:00","name":"火箭降落 副本","language":"javascript","screenshot":{"url":"https://cdn7.koding.school/uploads/project/screenshot/61212/7fd1eb7b60e618a3856b18459c2119c4.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":107,"hashid":"p93szy2g","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}