{"id":20087,"student_id":156,"content":"","created_at":"2018-01-13T14:36:45.132+08:00","updated_at":"2019-10-27T14:18:37.632+08:00","name":"小朋友下樓梯","language":"javascript","screenshot":{"url":null},"parent_id":13411,"plugin":"setBackdrop('black');\n\n// 創造天花板\nvar ceiling = createSprite(\"ceiling.png\");\nceiling.x = 320;\nceiling.y = 8;\nceiling.layer = 1;\n\n// 創造左右牆壁\nvar left_wall = createSprite(\"wall.png\");\nvar right_wall = createSprite(\"wall.png\");\nleft_wall.x = 130;\nright_wall.x = 510;\n\n// 創造玩家\nvar player = createSprite([\"player_1.png\",\"player_2.png\",\"player_3.png\",\"player_4.png\",\"player_5.png\"]);\nplayer.y = 50;\n//---------------------------------------------------------------//\n\nvar stairs = [];\nvar vy = 0;\nvar life = 10;\nvar floor = 0;\nvar lastTime = 0;\nvar hit;\n\nfor(var i=0; i\u003c8; i++) {\n var stair = createSprite([\"conveyor_left.png\",\"conveyor_right.png\",\"normal.png\",\"nails.png\",\"trampoline.png\",\"fake.png\"]);\n\tstair.x = Math.random()*(380-98) + 130+98/2;\n stair.y = i*80 + 480;\n stair.costumeId = Math.floor(Math.random()*6);\n stairs.push(stair);\n}\nvar clock = 0;\n\nsound.play('bg.mp3');\nforever(function() {\n setBackdrop('black');\n if(hit) {\n setBackdrop('red');\n hit = false;\n sound.play('flash.mp3');\n }\n\tif (key.left \u0026\u0026 !player.touched(left_wall)) {\n \tplayer.x -= 3;\n }\n if (key.right \u0026\u0026 !player.touched(right_wall)) {\n \tplayer.x += 3;\n }\n if (!player.touched(stairs)) {\n vy += 0.1;\n }\n\n clock++;\n if (clock%6 == 0) {\n if (key.right) {\n if (player.costumeId == 1) {\n player.costumeId = 2;\n } else {\n player.costumeId = 1;\n }\n }\n\n if (key.left) {\n if (player.costumeId == 3) {\n player.costumeId = 4;\n } else {\n player.costumeId = 3;\n }\n }\n\n if (!key.right \u0026\u0026 !key.left) {\n player.costumeId = 0;\n }\n }\n\n if (player.y \u003c 0 \u0026\u0026 vy \u003c 0) {\n vy = 0;\n }\n\n player.y += vy;\n\n for (var i=0; i\u003cstairs.length; i++) {\n \tstairs[i].y -= 2;\n if(stairs[i].y \u003c -10) {\n stairs[i].costumeId = Math.floor(Math.random()*5);\n \tstairs[i].y += 640;\n stairs[i].x = Math.random()*(380-98) + 130+88/2;\n stairs[i].hidden = false;\n floor += 1;\n }\n }\n \n var time = Date.now();\n if (player.touched(ceiling) \u0026\u0026 time - lastTime \u003e 3000) {\n life -= 3;\n lastTime = time;\n hit = true;\n vy = 0;\n }\n print('分數:' + floor, 10, 40, 'white', 20);\n print('生命:' + life, 10, 10, 'white', 20);\n\n if (life \u003c= 0 || player.y \u003e 480) {\n \tsetBackdrop('red');\n stop();\n sound.play('gg.mp3');\n }\n});\n\nplayer.when('touch',stairs, function(s) {\n if(player.y \u003e s.y || vy \u003c 0) {\n return;\n }\n vy = 0;\n player.y = s.y - 20;\n\tif(s.costumeId == 0) {\n \tplayer.x -= 2;\n }\n if(s.costumeId == 1) {\n \tplayer.x += 2;\n }\n if(s.costumeId == 4) {\n vy = -7;\n sound.play('jump.mp3');\n }\n if(s.costumeId == 2 \u0026\u0026 s !== player.touchOn) {\n if (life \u003c 10) {\n life += 1;\n }\n }\n if(s.costumeId == 3 \u0026\u0026 s !== player.touchOn) {\n \tlife -= 3;\n hit = true;\n }\n if(s.costumeId == 5 \u0026\u0026 s !== player.touchOn) {\n setTimeout(function() {\n s.hidden = true\n }, 300);\n }\n player.touchOn = s;\n});","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":94,"hashid":"882s4n22","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}
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