火箭降落 | JavaScript 程式專案

{"id":10861,"student_id":282,"content":"setBackdrop('bg.jpg');\nvar platform = createSprite(\"platform.png\");\nvar rocket = createSprite([\"rocket.png\",\"bomb.png\"]);\nrocket.direction = 0;\nrocket.x = 0;\nrocket.y = 0;\nplatform.x = 490;\nplatform.y = 400;\nvar vx = 0;\nvar vy = 0;\nvar fuel = 500;\nforever(function() {\nprint(fuel,30,30,'red',30)\nvy = vy + 0.09;\nrocket.y = rocket.y + vy;\nrocket.x = rocket.x + vx;\nif(fuel \u003e 0) { \nif(key.right) {\nfuel -= 1;\nvx = vx + 0.1;\nrocket.direction += 1;\n}\nif(key.left) {\nfuel -= 1;\nvx = vx - 0.1;\nrocket.direction -= 1;\n}\nif(key.up) {\nvy = vy - 0.1;\nfuel -= 1;\n}\n}\nif(rocket.touched(platform)) {\nif(vy \u003e 0.6) {\nrocket.costumeId = 1;\nstop();\n}\nif(vx \u003e 0.6) {\nrocket.costumeId = 1;\nstop();\n}\nstop();\n}\n});\n","created_at":"2017-03-01T20:52:04.729+08:00","updated_at":"2019-09-17T09:36:10.712+08:00","name":"火箭降落","language":"javascript","screenshot":{"url":"https://cdn9.koding.school/uploads/project/screenshot/10861/c5f2cbf9bda1a4a88148e12e328d8ef6.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":97,"hashid":"d5msvn49","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}