{"id":92517,"student_id":3439,"content":"setBackdrop('bg.jpg');\n\nvar platform = createSprite(\"platform.png\");\nvar rocket = createSprite([\"rocket.png\", \"bomb.png\"]);\nvar fuel = 500;\nvar vy = 0;\nvar vx = 0;\n\nplatform.x = 500;\nplatform.y = 450;\nrocket.x = 50;\nrocket.y = 50;\n\nrocket.direction = 0;\n\nforever(function() {\n rocket.direction = vx * 10;\n if (rocket.y \u003c 0 || rocket.y \u003e 480 || rocket.x \u003c 0 || rocket.x \u003e 640) {\n rocket.costumeId = 1\n stop()\n }\n if (rocket.touched(platform)) {\n if (vy \u003e 0.8) {\n rocket.costumeId = 1\n }\n if (rocket.direction \u003e 6 || rocket.direction \u003c -6) {\n rocket.costumeId = 1\n }\n stop()\n }\n if (fuel \u003e 0) {\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 if (key.up) {\n vy -= 0.1\n fuel -= 1\n }\n\n }\n\n vy += 0.06;\n\n rocket.y += vy;\n rocket.x += vx;\n\n print('fuel:' + fuel, 10, 10, 'red', 20);\n});","created_at":"2019-08-31T10:20:40.934+08:00","updated_at":"2019-11-09T01:07:19.007+08:00","name":"火箭降落 副本","language":"javascript","screenshot":{"url":"https://cdn4.koding.school/uploads/project/screenshot/92517/380cbf24825a3edebd81a65ce5f162d4.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":46,"hashid":"rdvsne2r","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}
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