Don't touch the spike | JavaScript 程式專案

{"id":9361,"student_id":13,"content":"setBackdrop(\"bg.jpg\");\n\nvar topSpike = createSprite(\"topSpike.png\");\ntopSpike.y = 35;\nvar downSpike = createSprite(\"downSpike.png\");\ndownSpike.y = 445;\nvar bird = createSprite(\"bird.png\");\nbird.moveTo( 320, 240);\nbird.rotationStyle = \"flipped\";\n\nvar x = 3;\nvar y = -6;\n\nvar spikeY;\nvar spikeNum;\n\nvar score = 0;\n\nvar spikeY = [80, 145, 210, 275, 340];\nfor(var i = 0;i \u003c 5;i++) {\n    var rightSpike = createSprite({\n        x: 455,\n        y: spikeY[i],\n        hidden: true,\n        costumes: \"rightSpike.png\"\n    });\n    rightSpike.forever(function(){\n        if(bird.direction%360 == 90) {\n            showSpike(this);\n        }else {\n            this.hidden = true;\n        }\n        if(this.touched(bird)) stop();\n    });\n    var leftSpike = createSprite({\n        x: 185,\n        y: spikeY[i],\n        hidden: true,\n        costumes: \"leftSpike.png\"\n    });\n    leftSpike.forever(function(){\n        if(bird.direction%360 == 270) {\n            showSpike(this);\n        }else {\n            this.hidden = true;\n        }\n        if(this.touched(bird)) stop();\n    });\n}\n\nvar game = 1;\ncreateSpike();\n\nwhen(\"click\", function() {\n    y = -6;\n});\n\nforever(function() {\n    // console.log(spikeY);\n    bird.x += x;\n    bird.y += y;\n    y += 0.3;\n    if(bird.x \u003e 440 || bird.x \u003c 200) {\n        x *= -1;\n        bird.direction += 180;\n        score ++;\n        createSpike();\n    }\n    if(score \u003c 10) {\n        print(score,300,205,\"#deebef\",60);\n    }else{\n        print(score,285,205,\"#deebef\",60);\n    }\n    if(bird.touched(topSpike) || bird.touched(downSpike)) {\n        stop();\n    }\n    \n});\n\nfunction createSpike() {\n    if(game == 1) {\n        spikeY = [];\n        game ++;\n    }else {\n        spikeY = [80, 145, 210, 275, 340];\n        spikeNum = Math.ceil(Math.random()*4);// 拿掉1~4根刺\n        for(var i = 0;i \u003c spikeNum; i++) {\n            spikeY.splice( Math.floor(Math.random()*spikeY.length), 1);\n        }   \n    }\n    \n}\n\nfunction showSpike(s) {\n    for(var i = 0;i \u003c spikeY.length;i++) {\n        if(s.y == spikeY[i]) {\n            s.hidden = false;\n        }\n    }\n}","created_at":"2017-03-01T20:52:04.729+08:00","updated_at":"2019-10-22T19:44:04.694+08:00","name":"Don't touch the spike","language":"javascript","screenshot":{"url":"https://cdn1.koding.school/uploads/project/screenshot/9361/3550b8d3fc40cfb2b0796163e2bae793.jpg"},"parent_id":2,"plugin":"","description":null,"note":null,"status":"public","like_student_ids":[1624,10],"is_featured":false,"views":321,"hashid":"p93skd32","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}

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