{"id":15549,"student_id":243,"content":"setBackdrop('bg.jpg');\nvar platform = createSprite(\"platform.png\");\nvar rocket = createSprite([\"rocket.png\",\"bomb.png\"]);\n\nplatform.y = 450;\nplatform.x = 500;\nrocket.y = 50;\nrocket.x = 50;\n\nvar vx = 0;\nvar vy = 0;\nvar fuel = 500;\n\nforever(function() {\n if(rocket.touched(platform)) {\n if(vy \u003e 0.8 || vx \u003e 0.6 || vx \u003c -0.6) {\n \trocket.costumeId = 1;\n }\n stop();\n }\n if(fuel \u003e 0) {\n if(key.up) {\n vy -= 0.1;\n fuel -= 1;\n }\n if(key.left) {\n vx -= 0.1;\n fuel -= 1;\n }\n if(Game.key.right) {\n vx += 0.1;\n fuel -= 1;\n }\n }\n vy += 0.06;\n rocket.y += vy;\n rocket.x += vx;\n rocket.direction = vx * 10;\n print('fuel: ' + fuel, 10, 10, 'red', 20);\n});\n","created_at":"2017-03-01T20:52:04.729+08:00","updated_at":"2019-10-30T15:46:06.205+08:00","name":"火箭降落","language":"javascript","screenshot":{"url":"https://cdn3.koding.school/uploads/project/screenshot/15549/9780df6dede762fb352ce3cdedd70d9e.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":89,"hashid":"d5msvpq3","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}
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